{"id":1049,"date":"2025-06-29T23:41:48","date_gmt":"2025-06-29T15:41:48","guid":{"rendered":"https:\/\/tekdf.com\/?p=1049"},"modified":"2025-06-30T00:02:51","modified_gmt":"2025-06-29T16:02:51","slug":"phased-array-antenna-patterns-part3","status":"publish","type":"post","link":"https:\/\/tekdf.com\/index.php\/2025\/06\/29\/phased-array-antenna-patterns-part3\/","title":{"rendered":"\u76f8\u63a7\u9635\u5929\u7ebf\u6ce2\u675f\u56fe\u6837 \u2014 \u7b2c\u4e09\u90e8\u5206\uff1a\u65c1\u74e3\uff08Sidelobes\uff09\u4e0e\u52a0\u6743\uff08Tapering\uff09"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u5f15\u8a00<\/h2>\n\n\n\n<p>\u5728\u7b2c\u4e00\u90e8\u5206\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u76f8\u63a7\u9635\u7684\u57fa\u672c\u6982\u5ff5\u3001\u6ce2\u675f\u6307\u5411\u548c\u9635\u5217\u589e\u76ca\u3002\u5728\u7b2c\u4e8c\u90e8\u5206\u4e2d\uff0c\u6211\u4eec\u63d0\u51fa\u4e86\u6805\u74e3\u548c\u6ce2\u675f\u504f\u9891\u7684\u6982\u5ff5\u3002\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u4ece<strong>\u5929\u7ebf\u65c1\u74e3<\/strong>\u53ca<strong>\u5728\u9635\u5217\u4e2d\u65bd\u52a0\u52a0\u6743\uff08Tapering\uff09\u7684\u5f71\u54cd\u5f00\u59cb\u8ba8\u8bba\u3002\u52a0\u6743\u672c\u8d28\u4e0a\u662f\u5bf9\u5404\u4e2a\u9635\u5143\u5728\u6574\u4f53\u5929\u7ebf\u54cd\u5e94\u4e2d\u6240\u5360\u632f\u5e45\u8d21\u732e<\/strong>\u7684\u8c03\u8282\u3002<\/p>\n\n\n\n<p>\u5728\u7b2c\u4e00\u90e8\u5206\u4e2d\uff0c\u5e76\u672a\u5e94\u7528\u52a0\u6743\uff0c\u56e0\u6b64\u56fe\u4e2d\u53ef\u4ee5\u770b\u5230\u7b2c\u4e00\u65c1\u74e3\u4e3a \u201313 dBc\u3002\u52a0\u6743\u63d0\u4f9b\u4e86\u4e00\u79cd\u5728<strong>\u4ee5\u4e00\u5b9a\u4ee3\u4ef7\u727a\u7272\u589e\u76ca\u4e0e\u4e3b\u74e3\u5bbd\u5ea6<\/strong>\u7684\u524d\u63d0\u4e0b\uff0c<strong>\u964d\u4f4e\u5929\u7ebf\u65c1\u74e3<\/strong>\u7684\u65b9\u6cd5\u3002\u5728\u5f15\u5165\u52a0\u6743\u7684\u57fa\u672c\u6982\u5ff5\u4e4b\u540e\uff0c\u6211\u4eec\u8fd8\u5c06\u8fdb\u4e00\u6b65\u8bf4\u660e\u4e00\u4e9b\u4e0e\u5929\u7ebf\u589e\u76ca\u76f8\u5173\u7684\u8981\u70b9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5085\u91cc\u53f6\u53d8\u6362\uff1a\u77e9\u5f62 \u2194 Sinc \u51fd\u6570<\/h2>\n\n\n\n<p>\u5728\u7535\u6c14\u5de5\u7a0b\u4e2d\uff0c\u77e9\u5f62\u51fd\u6570\u5728\u4e00\u4e2a\u57df\u5185\u53d8\u6362\u4e3a\u53e6\u4e00\u4e2a\u57df\u4e2d\u7684 sinc \u51fd\u6570\u662f\u4e00\u4e2a\u7ecf\u5e38\u51fa\u73b0\u7684\u73b0\u8c61\u3002\u6700\u5e38\u89c1\u7684\u60c5\u5f62\u662f\uff1a<strong>\u65f6\u95f4\u57df\u4e2d\u7684\u77e9\u5f62\u8109\u51b2<\/strong>\u5728\u9891\u57df\u4e2d\u4f1a\u4ea7\u751f\u4e00\u4e2a sinc \u5f62\u72b6\u7684\u9891\u8c31\u3002<\/p>\n\n\n\n<p>\u8fd9\u79cd\u53d8\u6362\u4e5f\u53ef\u4ee5\u53cd\u8fc7\u6765\u4f7f\u7528\uff0c\u4f8b\u5982\u5bbd\u5e26\u5e94\u7528\u4e2d\u5c06\u5bbd\u5e26\u6ce2\u5f62\u53d8\u6362\u4e3a\u65f6\u95f4\u57df\u4e2d\u7684\u7a84\u8109\u51b2\u3002\u76f8\u63a7\u9635\u5929\u7ebf\u4e5f\u5177\u6709\u7c7b\u4f3c\u7279\u6027\uff1a\u5728\u9635\u5217\u5e73\u9762\u8f74\u4e0a\u91c7\u7528<strong>\u77e9\u5f62\u52a0\u6743<\/strong>\uff0c\u5c06\u8f90\u5c04\u51fa\u4e00\u4e2a sinc \u5f62\u72b6\u7684\u7a7a\u95f4\u65b9\u5411\u56fe\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u8fd9\u4e9b\u60c5\u51b5\uff0csinc \u51fd\u6570\u7684\u65c1\u74e3\u662f\u4e00\u4e2a\u95ee\u9898\uff0c<strong>\u7b2c\u4e00\u4e2a\u65c1\u74e3\u4ec5\u4e3a \u201313 dBc<\/strong>\u3002\u56fe 1 \u8bf4\u660e\u4e86\u8fd9\u4e00\u539f\u7406\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"364\" height=\"1024\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-209-364x1024.png\" alt=\"\" class=\"wp-image-1052\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-209-364x1024.png 364w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-209-600x1687.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-209-107x300.png 107w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-209-768x2159.png 768w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-209-546x1536.png 546w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-209-729x2048.png 729w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-209.png 900w\" sizes=\"auto, (max-width: 364px) 100vw, 364px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><strong>\u56fe 1.<\/strong> \u65f6\u95f4\u57df\u4e2d\u7684\u77e9\u5f62\u8109\u51b2\u5728\u9891\u57df\u4e2d\u4ea7\u751f sinc \u51fd\u6570\uff0c\u7b2c\u4e00\u4e2a\u65c1\u74e3\u4ec5\u4e3a \u201313 dBc\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u52a0\u6743\uff08Tapering \u6216 Weighting\uff09<\/h2>\n\n\n\n<p>\u89e3\u51b3\u65c1\u74e3\u95ee\u9898\u7684\u65b9\u6cd5\u662f<strong>\u5728\u77e9\u5f62\u8109\u51b2\u4e0a\u65bd\u52a0\u52a0\u6743<\/strong>\u3002\u8fd9\u5728\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\uff08FFT\uff09\u4e2d\u662f\u5e38\u89c1\u64cd\u4f5c\uff0c\u76f8\u63a7\u9635\u4e2d\u7684\u52a0\u6743\u9009\u9879\u4e0e FFT \u4e2d\u7684\u52a0\u7a97\u5b8c\u5168\u7c7b\u4f3c\u3002<\/p>\n\n\n\n<p>\u52a0\u6743\u7684\u4e0d\u5229\u4e4b\u5904\u5728\u4e8e\uff0c<strong>\u867d\u7136\u65c1\u74e3\u88ab\u6291\u5236\u4e86\uff0c\u4f46\u4e3b\u74e3\u4e5f\u4f1a\u56e0\u6b64\u53d8\u5bbd<\/strong>\u3002\u56fe 2 \u5c55\u793a\u4e86\u4e00\u4e9b\u5178\u578b\u7684\u52a0\u6743\u51fd\u6570\u793a\u4f8b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"769\" height=\"1024\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-210-769x1024.png\" alt=\"\" class=\"wp-image-1053\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-210-769x1024.png 769w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-210-600x799.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-210-225x300.png 225w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-210-768x1022.png 768w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-210.png 900w\" sizes=\"auto, (max-width: 769px) 100vw, 769px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><strong>\u56fe 2.<\/strong> \u52a0\u6743\u51fd\u6570\u793a\u4f8b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6ce2\u5f62\u4e0e\u5929\u7ebf\u7684\u7c7b\u6bd4<\/h2>\n\n\n\n<p>\u65f6\u95f4\u5230\u9891\u7387\u7684\u53d8\u6362\u5bf9\u5927\u591a\u6570\u7535\u5b50\u5de5\u7a0b\u5e08\u6765\u8bf4\u662f\u975e\u5e38\u76f4\u89c2\u7684\u3002\u4f46\u5bf9\u4e8e\u9996\u6b21\u63a5\u89e6\u76f8\u63a7\u9635\u7684\u5de5\u7a0b\u5e08\uff0c\u5982\u4f55\u5c06\u8be5\u7c7b\u6bd4\u5e94\u7528\u4e8e\u5929\u7ebf\u65b9\u5411\u56fe\u53ef\u80fd\u5e76\u4e0d\u660e\u663e\u3002<\/p>\n\n\n\n<p>\u4e3a\u6b64\uff0c\u6211\u4eec\u5c06\u65f6\u95f4\u57df\u4fe1\u53f7\u66ff\u6362\u4e3a\u9635\u5217\u5b54\u5f84\u4e0a\u7684\u573a\u5206\u5e03\uff0c\u9891\u57df\u8f93\u51fa\u5219\u66ff\u6362\u4e3a\u7a7a\u95f4\u57df\u65b9\u5411\u56fe\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u65f6\u95f4\u57df \u2192 \u573a\u57df\uff08Field Domain\uff09<\/strong>\n<ul class=\"wp-block-list\">\n<li>v(t)v(t)\uff1a\u65f6\u95f4\u51fd\u6570\u4e0a\u7684\u7535\u538b<\/li>\n\n\n\n<li>E(x)E(x)\uff1a\u5b54\u5f84\u4f4d\u7f6e\u4e0a\u7684\u573a\u5f3a<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u9891\u7387\u57df \u2192 \u7a7a\u95f4\u57df\uff08Spatial Domain\uff09<\/strong>\n<ul class=\"wp-block-list\">\n<li>Y(f)Y(f)\uff1a\u9891\u7387\u51fd\u6570\u4e0a\u7684\u529f\u7387\u8c31\u5bc6\u5ea6<\/li>\n\n\n\n<li>G(q)G(q)\uff1a\u89d2\u5ea6\u51fd\u6570\u4e0a\u7684\u5929\u7ebf\u589e\u76ca<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>\u56fe 3 \u8bf4\u660e\u4e86\u8fd9\u4e00\u539f\u7406\u3002\u6211\u4eec\u6bd4\u8f83\u4e86\u5bf9\u9635\u5217\u65bd\u52a0\u4e24\u79cd\u4e0d\u540c\u52a0\u6743\u60c5\u51b5\u4e0b\u7684\u8f90\u5c04\u80fd\u91cf\uff1a<\/p>\n\n\n\n<p>\u56fe 3a \u548c\u56fe 3c \u8868\u793a\u573a\u57df\uff0c\u5176\u4e2d\u6bcf\u4e2a\u70b9\u4ee3\u8868\u4e00\u4e2a N = 16 \u9635\u5217\u4e2d\u9635\u5143\u7684\u632f\u5e45\u3002\u5728\u5929\u7ebf\u5916\u90e8\u4e0d\u518d\u6709\u8f90\u5c04\u80fd\u91cf\uff0c\u8f90\u5c04\u4ece\u5929\u7ebf\u8fb9\u7f18\u5f00\u59cb\u3002\u5728\u56fe 3a \u4e2d\uff0c\u573a\u503c\u5728\u8fb9\u7f18\u7a81\u7136\u53d8\u5316\uff0c\u800c\u5728\u56fe 3c \u4e2d\uff0c\u573a\u503c\u662f\u4ece\u8fb9\u7f18\u5411\u4e2d\u5fc3\u9010\u6e10\u4e0a\u5347\u7684\u3002<\/p>\n\n\n\n<p>\u5bf9\u5e94\u7684\u8f90\u5c04\u80fd\u91cf\u6548\u679c\u5206\u522b\u663e\u793a\u5728\u56fe 3b \u548c\u56fe 3d \u4e2d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"625\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-211.png\" alt=\"\" class=\"wp-image-1054\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-211.png 900w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-211-600x417.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-211-300x208.png 300w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-211-768x533.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p><strong>\u56fe 3.<\/strong> \u5143\u7d20\u52a0\u6743\u5728\u573a\u57df\u548c\u8f90\u5c04\u7a7a\u95f4\u4e2d\u7684\u8f6c\u6362\u5173\u7cfb\u56fe\uff1b<br>(a) \u6240\u6709\u9635\u5143\u91c7\u7528\u5747\u5300\u52a0\u6743\uff1b<br>(b) \u7a7a\u95f4\u65b9\u5411\u56fe\u5448 sinc \u5f62\u72b6\uff1b<br>(c) \u9635\u5143\u91c7\u7528 Hamming \u52a0\u6743\uff1b<br>(d) \u65c1\u74e3\u88ab\u6291\u5236\u81f3 \u201340 dBc\uff0c\u4ee3\u4ef7\u662f\u4e3b\u74e3\u53d8\u5bbd\u3002<\/p>\n\n\n\n<p>\u5728\u63a5\u4e0b\u6765\u7684\u7ae0\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u5f15\u5165\u4e24\u4e2a\u4f1a\u5f71\u54cd\u5929\u7ebf\u65b9\u5411\u56fe\u6027\u80fd\u7684\u9644\u52a0\u8bef\u5dee\u9879\uff1a<\/p>\n\n\n\n<p>\u7b2c\u4e00\u4e2a\u662f<strong>\u4e92\u8026\u8bef\u5dee\uff08Mutual Coupling\uff09<\/strong>\u3002\u5728\u672c\u6587\u4e2d\u6211\u4eec\u4ec5\u5bf9\u8be5\u95ee\u9898\u4e88\u4ee5\u627f\u8ba4\uff0c\u5e76\u6307\u51fa\u9700\u501f\u52a9\u5927\u91cf\u7535\u78c1\u4eff\u771f\u6765\u5b9a\u91cf\u8bc4\u4f30\u5176\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u4e2a\u662f<strong>\u7531\u4e8e\u76f8\u4f4d\u79fb\u63a7\u5236\u4f4d\u6570\u6709\u9650\u6240\u5bfc\u81f4\u7684\u91cf\u5316\u65c1\u74e3\uff08Quantization Sidelobes\uff09<\/strong>\u3002\u6211\u4eec\u5c06\u5bf9\u91cf\u5316\u8bef\u5dee\u8fdb\u884c\u66f4\u6df1\u5165\u7684\u5206\u6790\uff0c\u5e76\u5bf9\u91cf\u5316\u65c1\u74e3\u8fdb\u884c\u91cf\u5316\u8bc4\u4f30\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e92\u8026\u8bef\u5dee\uff08Mutual Coupling Errors\uff09<\/h2>\n\n\n\n<p>\u672c\u6587\u4e2d\u7684\u6240\u6709\u516c\u5f0f\u548c\u9635\u5217\u56e0\u5b50\u56fe\u90fd\u5047\u8bbe\u5929\u7ebf\u5355\u5143\u662f\u7406\u60f3\u7684\uff0c\u5373\u6bcf\u4e2a\u9635\u5143\u5f7c\u6b64\u76f8\u540c\uff0c\u4e14\u5177\u6709\u76f8\u540c\u7684\u8f90\u5c04\u65b9\u5411\u56fe\u3002\u4f46\u5728\u5b9e\u9645\u4e2d\uff0c\u5e76\u975e\u5982\u6b64\u3002<\/p>\n\n\n\n<p>\u9020\u6210\u8fd9\u79cd\u5dee\u5f02\u7684\u539f\u56e0\u4e4b\u4e00\u662f<strong>\u9635\u5143\u4e4b\u95f4\u7684\u4e92\u8026<\/strong>\uff0c\u5373\u76f8\u90bb\u9635\u5143\u4e4b\u95f4\u7684\u7535\u78c1\u8026\u5408\u3002\u5f53\u9635\u5143\u4e4b\u95f4\u95f4\u8ddd\u8f83\u5927\u6216\u8f83\u5c0f\u65f6\uff0c\u5176\u8f90\u5c04\u6027\u80fd\u53ef\u80fd\u4f1a\u6709\u663e\u8457\u53d8\u5316\u3002\u9635\u5217\u8fb9\u7f18\u7684\u9635\u5143\u6240\u5904\u7684\u7535\u78c1\u73af\u5883\u4e0e\u9635\u5217\u4e2d\u5fc3\u7684\u9635\u5143\u4e5f\u4e0d\u76f8\u540c\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u968f\u7740\u6ce2\u675f\u626b\u63cf\u89d2\u5ea6\u7684\u53d8\u5316\uff0c\u9635\u5143\u4e4b\u95f4\u7684\u4e92\u8026\u5173\u7cfb\u4e5f\u4f1a\u53d1\u751f\u53d8\u5316\u3002\u8fd9\u4e9b\u6548\u5e94\u90fd\u4f1a\u5f15\u5165\u9644\u52a0\u8bef\u5dee\u9879\uff0c\u5929\u7ebf\u8bbe\u8ba1\u4eba\u5458\u5fc5\u987b\u5c06\u5176\u8003\u8651\u5728\u5185\u3002\u5b9e\u9645\u4e0a\uff0c\u8bbe\u8ba1\u8fc7\u7a0b\u4e2d\u9700\u6295\u5165\u5927\u91cf\u7cbe\u529b\u501f\u52a9\u7535\u78c1\u4eff\u771f\u5de5\u5177\u6765\u8bc4\u4f30\u8fd9\u4e9b\u6761\u4ef6\u4e0b\u7684\u8f90\u5c04\u6027\u80fd\u53d8\u5316\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6ce2\u675f\u89d2\u5206\u8fa8\u7387\u4e0e\u91cf\u5316\u65c1\u74e3<\/h2>\n\n\n\n<p>\u53e6\u4e00\u79cd\u5e38\u89c1\u7684\u76f8\u63a7\u9635\u5929\u7ebf\u6027\u80fd\u7f3a\u9677\u6e90\u4e8e<strong>\u7528\u4e8e\u6ce2\u675f\u6307\u5411\u7684\u65f6\u95f4\u5ef6\u8fdf\u5355\u5143\u6216\u76f8\u79fb\u5668\u7684\u6709\u9650\u5206\u8fa8\u7387<\/strong>\u3002\u8fd9\u7c7b\u8bbe\u5907\u901a\u5e38\u901a\u8fc7\u6570\u5b57\u63a7\u5236\uff0c\u4ee5\u79bb\u6563\u7684\u65f6\u95f4\uff08\u6216\u76f8\u4f4d\uff09\u6b65\u957f\u8fdb\u884c\u8c03\u8282\u3002\u4f46\u6211\u4eec\u8be5\u5982\u4f55\u786e\u5b9a\u6240\u9700\u7684\u5206\u8fa8\u7387\u6216\u4f4d\u6570\uff0c\u4ee5\u6ee1\u8db3\u6ce2\u675f\u8d28\u91cf\u7684\u8bbe\u8ba1\u76ee\u6807\u5462\uff1f<\/p>\n\n\n\n<p>\u4e0e\u5e38\u89c1\u7684\u8bef\u89e3\u76f8\u53cd\uff0c<strong>\u6ce2\u675f\u89d2\u5206\u8fa8\u7387\u5e76\u4e0d\u7b49\u540c\u4e8e\u76f8\u79fb\u5668\u7684\u5206\u8fa8\u7387<\/strong>\u3002\u5728<strong>\u516c\u5f0f\uff081\uff09<\/strong>\uff08\u5373\u7b2c\u4e8c\u90e8\u5206\u4e2d\u7684\u516c\u5f0f\uff082\uff09\uff09\u4e2d\uff0c\u6211\u4eec\u770b\u5230\u5982\u4e0b\u5173\u7cfb\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"69\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-212-1024x69.png\" alt=\"\" class=\"wp-image-1055\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-212-1024x69.png 1024w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-212-600x41.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-212-300x20.png 300w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-212-768x52.png 768w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-212.png 1120w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u5c06\u8be5\u516c\u5f0f\u4e2d\u7684\u9635\u5143\u95f4\u8ddd d \u66ff\u6362\u4e3a\u9635\u5217\u603b\u5bbd\u5ea6 D\uff0c\u4ee5\u8868\u793a\u6574\u4e2a\u9635\u5217\u7684\u76f8\u4f4d\u504f\u79fb\u3002\u518d\u5c06\u76f8\u79fb\u5668\u7684\u6700\u5c0f\u76f8\u4f4d\u5355\u4f4d \u03a6LSB \u4ee3\u5165 \u2206\u03a6\uff0c\u53ef\u8fd1\u4f3c\u8868\u793a\u6ce2\u675f\u89d2\u5206\u8fa8\u7387\u3002\u5bf9\u4e8e\u4e00\u4e2a\u5177\u6709 N \u4e2a\u9635\u5143\u4e14\u9635\u5143\u95f4\u8ddd\u4e3a\u534a\u6ce2\u957f\u7684\u7ebf\u6027\u9635\u5217\uff0c\u5176\u6ce2\u675f\u89d2\u5206\u8fa8\u7387\u5982 \u516c\u5f0f\uff082\uff09\u6240\u793a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"69\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-213-1024x69.png\" alt=\"\" class=\"wp-image-1056\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-213-1024x69.png 1024w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-213-600x41.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-213-300x20.png 300w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-213-768x52.png 768w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-213.png 1120w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u8fd9\u662f\u6ce2\u675f\u504f\u79bb\u6ce2\u675f\u96f6\u5411\uff08boresight\uff09\u65f6\u7684\u5206\u8fa8\u7387\uff0c\u8868\u793a\u5728\u9635\u5217\u4e00\u534a\u8bbe\u7f6e\u4e3a 0 \u76f8\u79fb\u3001\u53e6\u4e00\u534a\u8bbe\u7f6e\u4e3a\u76f8\u79fb\u5668\u6700\u5c0f\u4f4d\uff08LSB\uff09\u65f6\u7684\u6ce2\u675f\u89d2\u5ea6\u3002\u5f53\u65bd\u52a0 LSB \u7684\u9635\u5143\u5c11\u4e8e\u9635\u5217\u7684\u4e00\u534a\u65f6\uff0c\u8fd8\u53ef\u5b9e\u73b0\u66f4\u5c0f\u7684\u89d2\u5ea6\u3002<\/p>\n\n\n\n<p>\u56fe 4 \u5c55\u793a\u4e86\u4e00\u4e2a\u7531 30 \u4e2a\u9635\u5143\u7ec4\u6210\u7684\u9635\u5217\u4f7f\u7528 2 \u4f4d\u76f8\u79fb\u5668\u65f6\u7684\u6ce2\u675f\u89d2\u5ea6\u53d8\u5316\u8fc7\u7a0b\uff0c\u5373\u4ece\u5de6\u5230\u53f3\u9010\u6b65\u5c06 LSB \u76f8\u4f4d\u65bd\u52a0\u5230\u9635\u5217\u5404\u9635\u5143\u4e0a\u3002\u53ef\u4ee5\u770b\u5230\uff0c\u6ce2\u675f\u89d2\u5ea6\u5728\u65bd\u52a0\u81f3\u4e00\u534a\u9635\u5143\u65f6\u8fbe\u5230\u6700\u5927\uff0c\u7136\u540e\u5f53\u6240\u6709\u9635\u5143\u90fd\u5904\u4e8e LSB \u72b6\u6001\u65f6\u6062\u590d\u4e3a\u96f6\u3002\u8fd9\u662f\u56e0\u4e3a\u6ce2\u675f\u65b9\u5411\u4f9d\u8d56\u4e8e\u9635\u5217\u4e24\u7aef\u7684\u76f8\u4f4d\u5dee\u3002\u6ce8\u610f\u8be5\u7279\u6027\u5cf0\u503c\u5bf9\u5e94\u7684\u662f\u5148\u524d\u8ba1\u7b97\u7684\u03b8<sub>RES<\/sub>\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"722\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-214.png\" alt=\"\" class=\"wp-image-1057\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-214.png 900w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-214-600x481.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-214-300x241.png 300w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-214-768x616.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p><strong>\u56fe 4. \u6ce2\u675f\u89d2\u5ea6\u4e0e\u65bd\u52a0 LSB \u7684\u9635\u5143\u6570\u91cf\u5173\u7cfb\u56fe\uff0830 \u5143\u7ebf\u6027\u9635\u5217\uff09<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"729\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-215.png\" alt=\"\" class=\"wp-image-1058\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-215.png 900w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-215-600x486.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-215-300x243.png 300w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-215-768x622.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p><strong>\u56fe 5. \u6ce2\u675f\u89d2\u5206\u8fa8\u7387\u968f\u9635\u5217\u5c3a\u5bf8\u53d8\u5316\u56fe\uff08\u76f8\u79fb\u5668\u4f4d\u6570\u4e3a 2 \u81f3 8 \u4f4d\uff09<\/strong><\/p>\n\n\n\n<p>\u56fe 5 \u7ed8\u5236\u4e86\u5728\u4e0d\u540c\u76f8\u79fb\u5668\u5206\u8fa8\u7387\u4e0b\uff0c\u6ce2\u675f\u89d2\u5206\u8fa8\u7387 \u00a0\u03b8<sub>RES<\/sub>\u00a0 \u968f\u9635\u5217\u5b54\u5f84\u5927\u5c0f\uff08\u03bb\/2 \u9635\u5143\u95f4\u8ddd\uff09\u53d8\u5316\u7684\u5173\u7cfb\u3002\u56fe\u4e2d\u8868\u660e\uff0c\u5373\u4f7f\u662f\u4f4d\u6570\u5f88\u4f4e\u7684 2 \u4f4d\u76f8\u79fb\u5668\uff0890\u00b0 LSB\uff09\uff0c\u5728 30 \u4e2a\u9635\u5143\u6784\u6210\u7684\u9635\u5217\u4e2d\u4e5f\u80fd\u5b9e\u73b0\u7ea6 1\u00b0 \u7684\u5206\u8fa8\u7387\u3002\u6839\u636e\u7b2c\u4e00\u90e8\u5206\u4e2d\u7684\u516c\u5f0f\uff0810\uff09\uff0c30 \u5143\u534a\u6ce2\u957f\u9635\u5217\u7684\u4e3b\u74e3\u5bbd\u5ea6\u7ea6\u4e3a 3.3\u00b0\uff0c\u8bf4\u660e\u5373\u4f7f\u91c7\u7528\u7c97\u7565\u7684\u76f8\u79fb\u5668\uff0c\u5176\u89d2\u5206\u8fa8\u7387\u4e5f\u5df2\u8db3\u591f\u3002<\/p>\n\n\n\n<p>\u90a3\u4e48\uff0c\u4f7f\u7528\u66f4\u9ad8\u5206\u8fa8\u7387\u7684\u76f8\u79fb\u5668\u80fd\u5e26\u6765\u4ec0\u4e48\u4f18\u52bf\u5462\uff1f\u501f\u7528\u65f6\u95f4\u91c7\u6837\u7cfb\u7edf\uff08\u6570\u636e\u8f6c\u6362\u5668\uff09\u4e0e\u7a7a\u95f4\u91c7\u6837\u7cfb\u7edf\uff08\u76f8\u63a7\u9635\u5929\u7ebf\uff09\u4e4b\u95f4\u7684\u7c7b\u6bd4\uff0c<strong>\u66f4\u9ad8\u5206\u8fa8\u7387\u7684\u6570\u636e\u8f6c\u6362\u5668\u5c06\u4ea7\u751f\u66f4\u4f4e\u7684\u91cf\u5316\u566a\u58f0\u5e95<\/strong>\uff0c\u540c\u7406\uff0c\u66f4\u9ad8\u5206\u8fa8\u7387\u7684\u76f8\u79fb\u5668\u6216\u5ef6\u8fdf\u5668\u5c06\u5e26\u6765\u66f4\u4f4e\u7684<strong>\u91cf\u5316\u65c1\u74e3\u7535\u5e73\uff08QSLL\uff09<\/strong>\u3002<\/p>\n\n\n\n<p>\u56fe 6 \u663e\u793a\u4e86\u524d\u8ff0 2 \u4f4d\u300130 \u5143\u7ebf\u6027\u9635\u5217\u4e2d\u5404\u9635\u5143\u7684\u76f8\u79fb\u8bbe\u7f6e\u53ca\u5176\u8bef\u5dee\u5206\u5e03\u3002\u5728\u8be5\u793a\u4f8b\u4e2d\uff0c\u9635\u5217\u4e00\u534a\u8bbe\u7f6e\u4e3a 0 \u76f8\u79fb\uff0c\u53e6\u4e00\u534a\u8bbe\u7f6e\u4e3a 90\u00b0 LSB\uff0c\u76f8\u79fb\u8bef\u5dee\u5448\u952f\u9f7f\u72b6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"720\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-216.png\" alt=\"\" class=\"wp-image-1059\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-216.png 900w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-216-600x480.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-216-300x240.png 300w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-216-768x614.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p><strong>\u56fe 6. \u9635\u5217\u4e2d\u5404\u9635\u5143\u7684\u76f8\u79fb\u4e0e\u8bef\u5dee\u5206\u5e03<\/strong><\/p>\n\n\n\n<p>\u56fe 7 \u5c55\u793a\u4e86\u8be5\u5929\u7ebf\u5728\u6307\u5411 0\u00b0 \u548c\u6307\u5411\u6ce2\u675f\u89d2\u5206\u8fa8\u7387\u89d2\u5ea6 \u03b8<sub>RES<\/sub> \u65f6\u7684\u5929\u7ebf\u65b9\u5411\u56fe\u3002\u53ef\u4ee5\u770b\u5230\uff0c\u76f8\u79fb\u5668\u7684\u91cf\u5316\u8bef\u5dee\u5bfc\u81f4\u56fe\u6837\u4e25\u91cd\u52a3\u5316\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"725\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-217.png\" alt=\"\" class=\"wp-image-1060\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-217.png 900w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-217-600x483.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-217-300x242.png 300w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-217-768x619.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p><strong>\u56fe 7. \u5728\u6700\u5c0f\u6ce2\u675f\u89d2\u5ea6\u4e0b\u7684\u5929\u7ebf\u65b9\u5411\u56fe\uff0c\u51fa\u73b0\u91cf\u5316\u65c1\u74e3<\/strong><\/p>\n\n\n\n<p>\u6700\u4e25\u91cd\u7684\u91cf\u5316\u65c1\u74e3\u53d1\u751f\u5728\u6574\u4e2a\u9635\u5217\u4e2d\u51fa\u73b0\u6700\u5927\u91cf\u5316\u8bef\u5dee\u65f6\uff0c\u5373\u6bcf\u4e24\u4e2a\u76f8\u90bb\u9635\u5143\u4e00\u4e2a\u4e3a 0 \u8bef\u5dee\uff0c\u53e6\u4e00\u4e2a\u4e3a LSB\/2\u3002\u6b64\u65f6\u91cf\u5316\u8bef\u5dee\u6700\u5927\uff0c\u4e14\u5728\u9635\u5217\u4e0a\u5448\u73b0\u6700\u9ad8\u5468\u671f\u6027\u3002\u56fe 8 \u5c55\u793a\u4e86 2 \u4f4d\u300130 \u5143\u9635\u5217\u5728\u8fd9\u79cd\u6700\u5dee\u60c5\u51b5\u4e0b\u7684\u65b9\u5411\u56fe\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"735\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-218.png\" alt=\"\" class=\"wp-image-1061\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-218.png 900w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-218-600x490.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-218-300x245.png 300w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-218-768x627.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p><strong>\u56fe 8. \u6700\u5dee\u60c5\u51b5\u4e0b\u7684\u5929\u7ebf\u91cf\u5316\u65c1\u74e3 \u2014 2 \u4f4d\u76f8\u79fb\u5668<\/strong><\/p>\n\n\n\n<p>\u8fd9\u79cd\u6700\u5dee\u60c5\u51b5\u53d1\u751f\u5728\u4e00\u4e9b<strong>\u53ef\u9884\u6d4b\u7684\u6ce2\u675f\u89d2\u5ea6<\/strong>\uff0c\u5982\u516c\u5f0f\uff083\uff09\u6240\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"69\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-219-1024x69.png\" alt=\"\" class=\"wp-image-1062\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-219-1024x69.png 1024w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-219-600x41.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-219-300x20.png 300w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-219-768x52.png 768w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-219.png 1120w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u5176\u4e2d n &lt; 2<sup>BITS<\/sup>\uff0c\u4e14 n \u4e3a\u5947\u6570\u3002\u5bf9\u4e8e\u4e00\u4e2a 2 \u4f4d\u7cfb\u7edf\uff0c\u8fd9\u79cd\u60c5\u51b5\u5728 \u00b114.5\u00b0 \u548c \u00b148.6\u00b0 \u51fa\u73b0\u56db\u6b21\u3002\u56fe 9 \u5c55\u793a\u4e86\u8be5\u7cfb\u7edf\u5728 n=1\u3001q=+14.5\u00b0\u60c5\u51b5\u4e0b\u7684\u65b9\u5411\u56fe\uff0c\u5176\u4e2d\u53ef\u4ee5\u89c2\u5bdf\u5230 \u201350\u00b0 \u5904\u51fa\u73b0 \u20137.5 dB \u7684\u91cf\u5316\u65c1\u74e3\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"737\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-220.png\" alt=\"\" class=\"wp-image-1063\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-220.png 900w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-220-600x491.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-220-300x246.png 300w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-220-768x629.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p><strong>\u56fe 9. \u6700\u5dee\u5929\u7ebf\u91cf\u5316\u65c1\u74e3 \u2014 2 \u4f4d\uff0cn = 1<\/strong>\uff0c<strong><em>30<\/em><\/strong> \u9635\u5143<\/p>\n\n\n\n<p>\u5f53\u6ce2\u675f\u89d2\u5ea6\u4e0d\u662f\u8fd9\u4e9b\u7279\u6b8a\u60c5\u51b5\uff08\u5373\u8bef\u5dee\u4f9d\u6b21\u4e3a 0 \u548c LSB\/2\uff09\u65f6\uff0c\u5747\u65b9\u6839\u8bef\u5dee\u4f1a\u56e0\u5728\u5b54\u5f84\u4e0a\u88ab\u5206\u6563\u800c\u51cf\u5c0f\u3002\u4e8b\u5b9e\u4e0a\uff0c\u5bf9\u4e8e\u516c\u5f0f\uff083\uff09\u4e2d nn \u4e3a\u5076\u6570\u7684\u60c5\u5f62\uff0c\u91cf\u5316\u8bef\u5dee\u4e3a\u96f6\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u7ed8\u5236\u4e0d\u540c\u5206\u8fa8\u7387\u4e0b\uff0c\u6700\u5f3a\u91cf\u5316\u65c1\u74e3\u7684\u76f8\u5bf9\u6c34\u5e73\uff0c\u4f1a\u51fa\u73b0\u4e00\u4e9b\u6709\u8da3\u7684\u89c4\u5f8b\u3002\u56fe 9 \u663e\u793a\u4e86 100 \u5143\u7ebf\u6027\u9635\u5217\u5728\u4f7f\u7528 Hamming \u52a0\u6743\u540e\u7684\u6700\u5dee\u91cf\u5316\u65c1\u74e3\u7535\u5e73\uff08QSLL\uff09\uff0c\u8be5\u52a0\u6743\u53ef\u5e2e\u52a9\u533a\u5206<strong>\u91cf\u5316\u65c1\u74e3<\/strong>\u4e0e\u524d\u6587\u8ba8\u8bba\u7684<strong>\u7a97\u53e3\u65c1\u74e3<\/strong>\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728 30\u00b0 \u89d2\u5ea6\u65f6\uff0c\u6240\u6709\u91cf\u5316\u8bef\u5dee\u5f52\u96f6\uff0c\u8fd9\u662f\u7531\u4e8e sin(30\u00b0) = 0.5 \u7684\u6570\u5b66\u7ed3\u679c\u3002\u5bf9\u4e8e\u4efb\u4f55\u4f4d\u6570\u7684\u76f8\u79fb\u5668\uff0c\u5f53\u5176\u89d2\u5ea6\u4e3a\u66f4\u9ad8\u5206\u8fa8\u7387\u7cfb\u7edf\u7684\u6700\u5dee\u89d2\u5ea6\u65f6\uff0c\u5176\u91cf\u5316\u8bef\u5dee\u4e3a\u96f6\u3002\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u4e0d\u540c\u5206\u8fa8\u7387\u4e0b\u6700\u5dee\u65c1\u74e3\u7535\u5e73\u7684\u4f4d\u7f6e\uff0c\u4ee5\u53ca\u6bcf\u589e\u52a0 1 \u4f4d\u5e26\u6765\u7684\u7ea6 6 dB QSLL \u6539\u5584\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"725\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-221.png\" alt=\"\" class=\"wp-image-1064\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-221.png 900w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-221-600x483.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-221-300x242.png 300w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-221-768x619.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p><strong>\u56fe 10. \u6700\u5dee\u91cf\u5316\u65c1\u74e3\u7535\u5e73\u968f\u6ce2\u675f\u89d2\u53d8\u5316\uff082\uff5e6 \u4f4d\u76f8\u79fb\u5668\uff09<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"740\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-222.png\" alt=\"\" class=\"wp-image-1065\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-222.png 900w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-222-600x493.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-222-300x247.png 300w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-222-768x631.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p><strong>\u56fe 11. \u6700\u5dee\u91cf\u5316\u65c1\u74e3\u7535\u5e73\u968f\u76f8\u79fb\u5668\u5206\u8fa8\u7387\u53d8\u5316<\/strong><\/p>\n\n\n\n<p>\u56fe 11 \u5c55\u793a\u4e86 2 \u4f4d\u5230 8 \u4f4d\u76f8\u79fb\u5668\u7684\u6700\u5927\u91cf\u5316\u65c1\u74e3\u7535\u5e73\uff08QSLL\uff09\uff0c\u5176\u9075\u5faa\u6570\u636e\u8f6c\u6362\u5668\u4e2d\u7684\u7ecf\u5178\u91cf\u5316\u566a\u58f0\u89c4\u5f8b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"43\" src=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-223-1024x43.png\" alt=\"\" class=\"wp-image-1066\" srcset=\"https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-223-1024x43.png 1024w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-223-600x25.png 600w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-223-300x13.png 300w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-223-768x32.png 768w, https:\/\/tekdf.com\/wp-content\/uploads\/2025\/06\/image-223.png 1120w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u5373\u6bcf\u589e\u52a0 1 \u4f4d\uff0c\u65c1\u74e3\u7535\u5e73\u964d\u4f4e\u7ea6 6 dB\u3002\u5bf9\u4e8e 2 \u4f4d\u76f8\u79fb\u5668\uff0cQSLL \u7ea6\u4e3a \u20137.5 dB\uff0c\u9ad8\u4e8e\u5178\u578b\u6570\u636e\u8f6c\u6362\u5668\u5bf9\u968f\u673a\u4fe1\u53f7\u91c7\u6837\u65f6 +12 dB \u7684\u566a\u58f0\u5e95\u3002\u8fd9\u4e00\u5dee\u5f02\u53ef\u4ee5\u7406\u89e3\u4e3a\uff1a\u7531\u4e8e\u91cf\u5316\u8bef\u5dee\u5448\u5468\u671f\u6027\u952f\u9f7f\u72b6\u5206\u5e03\u5728\u9635\u5217\u5b54\u5f84\u4e0a\uff0c<strong>\u5176\u7a7a\u95f4\u8c10\u6ce2\u4f1a\u5728\u67d0\u4e9b\u65b9\u5411\u4e0a\u76f8\u4f4d\u53e0\u52a0<\/strong>\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f\uff1a<strong>QSLL \u4e0e\u9635\u5217\u5b54\u5f84\u5927\u5c0f\u65e0\u5173<\/strong>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bed<\/h2>\n\n\n\n<p>\u6211\u4eec\u73b0\u5728\u53ef\u4ee5\u603b\u7ed3\u4e00\u4e9b\u5929\u7ebf\u5de5\u7a0b\u5e08\u5728\u6ce2\u675f\u5bbd\u5ea6\u4e0e\u65c1\u74e3\u65b9\u9762\u6240\u9762\u4e34\u7684\u6311\u6218\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u89d2\u5206\u8fa8\u7387<\/strong>\u9700\u8981<strong>\u7a84\u6ce2\u675f<\/strong>\u3002\u800c\u5b9e\u73b0\u7a84\u6ce2\u675f\u9700\u8981<strong>\u5927\u7684\u5b54\u5f84<\/strong>\uff0c\u8fd9\u53c8\u9700\u8981<strong>\u66f4\u591a\u7684\u9635\u5143<\/strong>\u3002\u6b64\u5916\uff0c\u5f53\u6ce2\u675f\u504f\u79bb\u6ce2\u675f\u96f6\u5411\uff08boresight\uff09\u8fdb\u884c\u626b\u63cf\u65f6\uff0c\u6ce2\u675f\u4f1a\u53d8\u5bbd\uff0c\u56e0\u6b64\u5728\u626b\u63cf\u89d2\u5ea6\u589e\u5927\u65f6\u9700\u8981<strong>\u989d\u5916\u7684\u9635\u5143<\/strong>\u4ee5\u7ef4\u6301\u6ce2\u675f\u5bbd\u5ea6\u3002<\/li>\n\n\n\n<li>\u53ef\u80fd\u770b\u8d77\u6765\u53ef\u4ee5\u901a\u8fc7<strong>\u589e\u5927\u9635\u5143\u95f4\u8ddd<\/strong>\u6765\u589e\u5927\u5929\u7ebf\u6574\u4f53\u9762\u79ef\u800c\u65e0\u9700\u6dfb\u52a0\u989d\u5916\u9635\u5143\uff0c\u8fd9\u6837\u53ef\u4ee5\u7f29\u7a84\u6ce2\u675f\uff1b\u4f46\u4e0d\u5e78\u7684\u662f\uff0c\u5982\u679c\u9635\u5143<strong>\u5747\u5300\u6392\u5217<\/strong>\uff0c\u8fd9\u5c06\u5f15\u5165<strong>\u6805\u74e3\uff08grating lobes\uff09<\/strong>\u3002\u901a\u8fc7<strong>\u51cf\u5c0f\u626b\u63cf\u89d2\u5ea6<\/strong>\u3001\u4ee5\u53ca\u91c7\u7528 \u975e\u5468\u671f\u6027\u9635\u5217\uff08aperiodic arrays\uff09\u6765\u6709\u610f\u968f\u673a\u5316\u9635\u5143\u5e03\u5c40\uff0c\u53ef\u4ee5\u5728\u589e\u5927\u5929\u7ebf\u9762\u79ef\u7684\u540c\u65f6\u5c3d\u91cf\u51cf\u5c11\u6805\u74e3\u95ee\u9898\u3002<\/li>\n\n\n\n<li><strong>\u65c1\u74e3<\/strong>\u662f\u53e6\u4e00\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u5df2\u4e86\u89e3\u5230\u53ef\u4ee5\u901a\u8fc7\u5bf9\u9635\u5217\u8fb9\u7f18\u9635\u5143\u589e\u76ca\u8fdb\u884c<strong>\u52a0\u6743\uff08tapering\uff09\u6765\u7f13\u89e3\u3002\u4f46\u52a0\u6743\u4f1a\u5bfc\u81f4\u6ce2\u675f\u53d8\u5bbd\uff0c\u4ece\u800c\u53c8\u9700\u8981\u66f4\u591a\u9635\u5143\u3002\u76f8\u79fb\u5668\u7684\u5206\u8fa8\u7387\u4e5f\u4f1a\u5f15\u5165\u91cf\u5316\u65c1\u74e3\uff08quantization sidelobes\uff09<\/strong>\uff0c\u8fd9\u4e9b\u4e5f\u5fc5\u987b\u7eb3\u5165\u5929\u7ebf\u8bbe\u8ba1\u8003\u91cf\u3002\u5bf9\u4e8e\u4f7f\u7528\u76f8\u79fb\u5668\u5b9e\u73b0\u7684\u5929\u7ebf\uff0c**\u6ce2\u675f\u659c\u79fb\uff08beam squint\uff09**\u73b0\u8c61\u8fd8\u4f1a\u5bfc\u81f4\u6ce2\u675f\u65b9\u5411\u968f\u9891\u7387\u53d8\u5316\uff0c\u4ece\u800c\u9650\u5236\u4e86\u5728\u9ad8\u89d2\u5206\u8fa8\u7387\u4e0b\u53ef\u7528\u7684\u5e26\u5bbd\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u7bc7\u4e3a\u671f\u4e09\u90e8\u5206\u7684\u76f8\u63a7\u9635\u5929\u7ebf\u65b9\u5411\u56fe\u7cfb\u5217\u5c31\u6b64\u7ed3\u675f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7b2c\u4e00\u90e8\u5206<\/strong>\u4ecb\u7ecd\u4e86\u6ce2\u675f\u6307\u5411\u3001\u9635\u5217\u56e0\u5b50\u548c\u5929\u7ebf\u589e\u76ca\uff1b<\/li>\n\n\n\n<li><strong>\u7b2c\u4e8c\u90e8\u5206<\/strong>\u4ecb\u7ecd\u4e86\u6805\u74e3\u548c\u6ce2\u675f\u659c\u79fb\u7b49\u975e\u7406\u60f3\u73b0\u8c61\uff1b<\/li>\n\n\n\n<li><strong>\u7b2c\u4e09\u90e8\u5206<\/strong>\u8ba8\u8bba\u4e86\u52a0\u6743\uff08tapering\uff09\u548c\u91cf\u5316\u8bef\u5dee\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u672c\u7cfb\u5217\u5e76\u975e\u9762\u5411\u90a3\u4e9b\u7cbe\u901a\u7535\u78c1\u573a\u548c\u8f90\u5c04\u5355\u5143\u8bbe\u8ba1\u7684\u5929\u7ebf\u8bbe\u8ba1\u5de5\u7a0b\u5e08\uff0c\u800c\u662f\u5e0c\u671b\u4e3a\u5927\u91cf<strong>\u5728\u76f8\u63a7\u9635\u9886\u57df\u5de5\u4f5c\u7684\u76f8\u5173\u5b66\u79d1\u5de5\u7a0b\u5e08<\/strong>\u63d0\u4f9b\u4e00\u79cd<strong>\u76f4\u89c2\u7684\u89e3\u91ca\u65b9\u5f0f<\/strong>\uff0c\u5e2e\u52a9\u7406\u89e3\u5404\u79cd\u56e0\u7d20\u5bf9\u5929\u7ebf\u6574\u4f53\u65b9\u5411\u56fe\u6027\u80fd\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003\u6587\u732e\uff1a<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Balanis, Constantine A.\u300aAntenna Theory, Analysis and Design\u300b\uff0c\u7b2c\u4e09\u7248\uff0cWiley \u51fa\u7248\uff0c2005\u3002<\/li>\n\n\n\n<li>Mailloux, Robert J.\u300aPhased Array Antenna Handbook\u300b\uff0c\u7b2c\u4e8c\u7248\uff0cArtech House \u51fa\u7248\uff0c2005\u3002<\/li>\n\n\n\n<li>O\u2019Donnell, Robert M. \u201cRadar Systems Engineering: Introduction.\u201d IEEE\uff0c2012\u5e746\u6708\u3002<\/li>\n\n\n\n<li>Skolnik, Merrill.\u300aRadar Handbook\u300b\uff0c\u7b2c\u4e09\u7248\uff0cMcGraw Hill \u51fa\u7248\uff0c2008\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[17],"tags":[43,22],"class_list":["post-1049","post","type-post","status-publish","format-standard","hentry","category-17","tag-cn0566","tag-eval-cn0566-rpiz"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/tekdf.com\/index.php\/wp-json\/wp\/v2\/posts\/1049","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tekdf.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tekdf.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tekdf.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tekdf.com\/index.php\/wp-json\/wp\/v2\/comments?post=1049"}],"version-history":[{"count":2,"href":"https:\/\/tekdf.com\/index.php\/wp-json\/wp\/v2\/posts\/1049\/revisions"}],"predecessor-version":[{"id":1067,"href":"https:\/\/tekdf.com\/index.php\/wp-json\/wp\/v2\/posts\/1049\/revisions\/1067"}],"wp:attachment":[{"href":"https:\/\/tekdf.com\/index.php\/wp-json\/wp\/v2\/media?parent=1049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tekdf.com\/index.php\/wp-json\/wp\/v2\/categories?post=1049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tekdf.com\/index.php\/wp-json\/wp\/v2\/tags?post=1049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}