{"id":98828,"date":"2024-11-05T14:28:58","date_gmt":"2024-11-05T06:28:58","guid":{"rendered":"\/\/www.dealsbon.com\/?p=98828"},"modified":"2024-11-05T14:29:01","modified_gmt":"2024-11-05T06:29:01","slug":"cxhssmys","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/98828.html","title":{"rendered":"Chirp\u4fe1\u53f7\u662f\u4ec0\u4e48\u610f\u601d"},"content":{"rendered":"\n<p>\u3000\u3000<strong>Chirp\u4fe1\u53f7<\/strong>\u662f\u4e00\u79cd\u9891\u7387\u968f\u65f6\u95f4\u53d8\u5316\u7684\u4fe1\u53f7\uff0c\u5176\u77ac\u65f6\u9891\u7387\u53ef\u4ee5\u589e\u52a0\u6216\u51cf\u5c11\u3002\u8fd9\u79cd\u4fe1\u53f7\u5728\u96f7\u8fbe\u3001\u58f0\u7eb3\u3001\u65e0\u7ebf\u901a\u4fe1\u548c\u5149\u901a\u4fe1\u7b49\u9886\u57df\u6709\u5e7f\u6cdb\u5e94\u7528\u3002Chirp\u4fe1\u53f7\u901a\u5e38\u8868\u73b0\u4e3a\u7ebf\u6027\u8c03\u9891\u4fe1\u53f7\uff0c\u5373\u5176\u9891\u7387\u968f\u65f6\u95f4\u7ebf\u6027\u589e\u52a0\u6216\u51cf\u5c11\uff0c\u8fd9\u79cd\u7279\u6027\u4f7f\u5176\u5728\u8109\u51b2\u538b\u7f29\u548c\u9ad8\u7cbe\u5ea6\u9891\u8c31\u6d4b\u91cf\u4e2d\u5177\u6709\u4f18\u52bf\u3002<\/p>\n\n\n\n<p>\u3000\u3000Chirp\u4fe1\u53f7\u53ef\u4ee5\u5206\u4e3a\u4e0a\u5347chirp(\u9891\u7387\u589e\u52a0)\u548c\u4e0b\u964dchirp(\u9891\u7387\u51cf\u5c11)\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u6570\u5b66\u516c\u5f0f\u8868\u793a\u5176\u77ac\u65f6\u9891\u7387\u7684\u53d8\u5316\u3002 \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cChirp\u4fe1\u53f7\u56e0\u5176\u4f18\u826f\u7684\u81ea\u76f8\u5173\u7279\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u800c\u88ab\u5e7f\u6cdb\u4f7f\u7528\uff0c\u4f8b\u5982\u5728\u6269\u9891\u901a\u4fe1\u4e2d\uff0c\u5b83\u80fd\u591f\u63d0\u4f9b\u5927\u65f6\u5bbd\u5e26\u5bbd\u79ef\u548c\u4f4e\u529f\u8017\u7b49\u4f18\u70b9\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cChirp\u4fe1\u53f7\u8fd8\u88ab\u7528\u4e8e\u5929\u6587\u89c2\u6d4b\u3001\u8d85\u58f0\u68c0\u6d4b\u4ee5\u53ca\u542c\u89c9\u6d4b\u8bd5\u7b49\u9886\u57df\uff0c\u7531\u4e8e\u5176\u80fd\u591f\u6709\u6548\u5730\u63a7\u5236\u6fc0\u52b1\u7684\u9891\u7387\u5e26\uff0c\u56e0\u6b64\u5728\u7cfb\u7edf\u8bc6\u522b\u548c\u751f\u7269\u533b\u5b66\u6210\u50cf\u4e2d\u4e5f\u6709\u91cd\u8981\u5e94\u7528\u3002 \u603b\u4f53\u6765\u8bf4\uff0cChirp\u4fe1\u53f7\u662f\u4e00\u79cd\u91cd\u8981\u7684\u975e\u5e73\u7a33\u4fe1\u53f7\uff0c\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u524d\u666f\u548c\u7814\u7a76\u4ef7\u503c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 \u5982\u4f55\u5728\u96f7\u8fbe\u548c\u58f0\u7eb3\u7cfb\u7edf\u4e2d\u5e94\u7528Chirp\u4fe1\u53f7\u8fdb\u884c\u76ee\u6807\u68c0\u6d4b\u548c\u8ddd\u79bb\u6d4b\u91cf?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u96f7\u8fbe\u548c\u58f0\u7eb3\u7cfb\u7edf\u4e2d\uff0cChirp\u4fe1\u53f7(\u5541\u557e\u4fe1\u53f7)\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u76ee\u6807\u68c0\u6d4b\u548c\u8ddd\u79bb\u6d4b\u91cf\u3002\u4ee5\u4e0b\u662f\u57fa\u4e8e\u6211\u641c\u7d22\u5230\u7684\u8d44\u6599\uff0c\u5982\u4f55\u5728\u8fd9\u4e9b\u7cfb\u7edf\u4e2d\u5e94\u7528Chirp\u4fe1\u53f7\u8fdb\u884c\u76ee\u6807\u68c0\u6d4b\u548c\u8ddd\u79bb\u6d4b\u91cf\u7684\u8be6\u7ec6\u8bf4\u660e\uff1a<\/p>\n\n\n\n<p>\u3000\u3000FMCW(Frequency Modulated Continuous Wave)\u96f7\u8fbe\u662f\u4e00\u79cd\u4f7f\u7528\u7ebf\u6027\u8c03\u9891\u8109\u51b2\u4fe1\u53f7(Chirp)\u6765\u6d4b\u91cf\u7269\u4f53\u7684\u8ddd\u79bb\u548c\u901f\u5ea6\u7684\u6280\u672f\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u901a\u8fc7\u53d1\u5c04\u4e00\u4e2a\u7ebf\u6027\u8c03\u9891\u7684Chirp\u4fe1\u53f7\uff0c\u5e76\u63a5\u6536\u5176\u53cd\u5c04\u4fe1\u53f7\uff0c\u53ef\u4ee5\u8ba1\u7b97\u51fa\u76ee\u6807\u7269\u4f53\u7684\u8ddd\u79bb\u548c\u901f\u5ea6\u3002\u8fd9\u79cd\u65b9\u6cd5\u5229\u7528\u4e86\u591a\u666e\u52d2\u6548\u5e94\uff0c\u5373\u53cd\u5c04\u4fe1\u53f7\u7684\u9891\u7387\u4e0e\u53d1\u5c04\u4fe1\u53f7\u7684\u9891\u7387\u4e4b\u95f4\u7684\u5dee\u5f02\uff0c\u4ece\u800c\u786e\u5b9a\u76ee\u6807\u7684\u901f\u5ea6\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5feb\u901fChirp\u5e8f\u5217\u65b9\u6cd5\u901a\u8fc7\u7f29\u77ed\u6bcf\u4e00\u4e2aChirp\u7684\u626b\u9891\u65f6\u95f4\uff0c\u63d0\u9ad8\u4e86\u6d4b\u91cf\u901f\u5ea6\u548c\u7cbe\u5ea6\u3002\u8fd9\u79cd\u65b9\u6cd5\u5141\u8bb8\u5728\u8f83\u77ed\u7684\u65f6\u95f4\u5185\u5b8c\u6210\u591a\u6b21\u6d4b\u91cf\uff0c\u4ece\u800c\u5b9e\u73b0\u5bf9\u591a\u4e2a\u76ee\u6807\u7684\u540c\u65f6\u68c0\u6d4b\u548c\u8ddf\u8e2a\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u6beb\u7c73\u6ce2\u96f7\u8fbe\u7cfb\u7edf\u4e2d\uff0c\u5feb\u901fChirp\u4fe1\u53f7\u4f5c\u4e3a\u53d1\u5c04\u6ce2\u5f62\uff0c\u7ed3\u5408TDM-MIMO(Time Division Multiple Input Multiple Output)\u6280\u672f\uff0c\u53ef\u4ee5\u540c\u65f6\u83b7\u53d6\u76ee\u6807\u7684\u8ddd\u79bb\u3001\u901f\u5ea6\u548c\u89d2\u5ea6\u4fe1\u606f\u3002\u8fd9\u79cd\u65b9\u6848\u901a\u8fc7\u4f18\u5316\u5929\u7ebf\u9635\u5143\u6392\u5e03\uff0c\u6709\u6548\u89e3\u51b3\u4e86\u5e38\u89c4TDM-MIMO\u7531\u4e8e\u901a\u9053\u65f6\u5206\u590d\u7528\u5e26\u6765\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5bf9\u4e8e\u6bcf\u4e2aChirp\u5bf9\u5e94\u7684\u6570\u5b57\u5316\u91c7\u6837\u70b9\u6267\u884c\u8ddd\u79bbFFT(Fast Fourier Transform)\uff0c\u8f93\u51fa\u7ed3\u679c\u4ee5\u8fde\u7eed\u884c\u7684\u5f62\u5f0f\u5b58\u50a8\u5728\u77e9\u9635\u4e2d\u3002\u5904\u7406\u5668\u63a5\u6536\u5e76\u5904\u7406\u4e00\u5e27\u4e2d\u6240\u6709\u5355\u4e2aChirp\u540e\uff0c\u5f00\u59cb\u5bf9Chirps\u4e32\u5e8f\u5217\u8fdb\u884c\u591a\u666e\u52d2FFT\uff0c\u4ece\u800c\u5f97\u5230\u76ee\u6807\u7684\u901f\u5ea6\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u3000\u3000Chirp\u5b50\u8109\u51b2\u9891\u7387\u6b65\u8fdb\u4fe1\u53f7\u517c\u6709\u9891\u7387\u6b65\u8fdb\u4fe1\u53f7\u548c\u7ebf\u6027\u8c03\u9891\u4fe1\u53f7\u7684\u4f18\u70b9\uff0c\u662f\u4e00\u79cd\u9ad8\u5206\u8fa8\u7387\u7684\u4fe1\u53f7\u5f62\u5f0f\uff0c\u9002\u7528\u4e8e\u63a2\u6d4b\u4f4e\u7a7a\u4e0e\u8d85\u4f4e\u7a7a\u52a8\u76ee\u6807\u3002\u6b64\u5916\uff0c\u8fd1\u5e74\u6765\u7814\u5236\u51fa\u7684\u5541\u557eChirp\u6beb\u7c73\u6ce2\u96f7\u8fbe\u91c7\u7528\u8d85\u5feb\u901f\u7684\u4e09\u89d2\u6ce2\u5e8f\u5217\u4f5c\u4e3a\u8c03\u5236\u4fe1\u53f7\uff0c\u6bcf\u4e2aChirp\u5e8f\u5217\u7531\u591a\u4e2a\u4e09\u89d2\u6ce2\u7ec4\u6210\uff0c\u5355\u4e2aChirp\u4fe1\u53f7\u5468\u671f\u975e\u5e38\u77ed\uff0c\u6574\u4e2a\u5e8f\u5217\u7684\u5468\u671f\u8f83\u957f\uff0c\u8fd9\u6837\u53ef\u4ee5\u5ffd\u7565\u5355\u4e2aChirp\u4fe1\u53f7\u7684\u591a\u666e\u52d2\u9891\u79fb\uff0c\u4ece\u800c\u63d0\u9ad8\u6d4b\u91cf\u7cbe\u5ea6\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4f8b\u5982ADAS(Advanced Driver-Assistance Systems)\u7cfb\u7edf\u4e2d\uff0cChirp\u5e8f\u5217\u96f7\u8fbe\u88ab\u7528\u4e8e\u9ad8\u7ea7\u8f85\u52a9\u9a7e\u9a76\u548c\u81ea\u52a8\u9a7e\u9a76\u4e2d\u7684\u76ee\u6807\u68c0\u6d4b\u548c\u8ddd\u79bb\u6d4b\u91cf\u3002\u901a\u8fc7\u6c42\u89e3\u65b9\u7a0b\u53ef\u5feb\u901f\u83b7\u5f97\u76ee\u6807\u7684\u8ddd\u79bbR\u548c\u5f84\u5411\u901f\u5ea6Vr\uff0c\u540c\u65f6\u5177\u6709\u8f83\u9ad8\u7684\u76ee\u6807\u5206\u8fa8\u7387\u548c\u6d4b\u91cf\u7cbe\u5ea6\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u96f7\u8fbe\u548c\u58f0\u7eb3\u7cfb\u7edf\u4e2d\uff0cChirp\u4fe1\u53f7\u901a\u8fc7\u5176\u72ec\u7279\u7684\u9891\u7387\u8c03\u5236\u7279\u6027\uff0c\u5728\u76ee\u6807\u68c0\u6d4b\u548c\u8ddd\u79bb\u6d4b\u91cf\u65b9\u9762\u5c55\u73b0\u4e86\u663e\u8457\u7684\u4f18\u52bf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 Chirp\u4fe1\u53f7\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\u7684\u5177\u4f53\u5e94\u7528\u548c\u4f18\u52bf\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n<p>\u3000\u3000Chirp\u4fe1\u53f7\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\u7684\u5177\u4f53\u5e94\u7528\u548c\u4f18\u52bf\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u9ad8\u4f20\u8f93\u901f\u7387\u548c\u9891\u8c31\u5229\u7528\u7387<\/strong>\uff1aChirp\u8d85\u5bbd\u5e26\u901a\u4fe1\u6280\u672f\u7ed3\u5408\u4e86Chirp\u6269\u9891\u4e0e\u8d85\u5bbd\u5e26\u7684\u4f18\u70b9\uff0c\u80fd\u591f\u5b9e\u73b0\u9ad8\u5e26\u5bbd\u3001\u9ad8\u901f\u7387\u7684\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5728\u5168\u7403\u65e0\u7ebf\u901a\u4fe1\u9886\u57df\u5f15\u8d77\u4e86\u6781\u5927\u7684\u5173\u6ce8\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a\u7531\u4e8eChirp\u4fe1\u53f7\u5177\u6709\u5c16\u9510\u7684\u81ea\u76f8\u5173\u6027\u548c\u6297\u591a\u5f84\u3001\u6297\u591a\u666e\u52d2\u9891\u79fb\u7b49\u7279\u6027\uff0c\u56e0\u6b64\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\u8868\u73b0\u51fa\u5f3a\u5927\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5176\u5728\u590d\u6742\u73af\u5883\u4e2d\u4f9d\u7136\u80fd\u591f\u4fdd\u6301\u7a33\u5b9a\u7684\u901a\u4fe1\u8d28\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017\u548c\u4f4e\u6210\u672c<\/strong>\uff1aChirp\u4fe1\u53f7\u7684\u7cfb\u7edf\u8bbe\u8ba1\u590d\u6742\u5ea6\u4f4e\uff0c\u7535\u78c1\u517c\u5bb9\u6027\u80fd\u597d\uff0c\u8fd9\u4e9b\u90fd\u6709\u52a9\u4e8e\u5b9e\u73b0\u4f4e\u529f\u8017\u548c\u9ad8\u6548\u7387\u7684\u901a\u4fe1\u3002\u6b64\u5916\uff0cChirp\u6280\u672f\u4f7f\u7528\u58f0\u97f3\u6ce2\u800c\u4e0d\u662f\u65e0\u7ebf\u7535\u6ce2\uff0c\u8fd9\u8fdb\u4e00\u6b65\u964d\u4f4e\u4e86\u8bbe\u5907\u7684\u6210\u672c\u548c\u529f\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u540c\u6b65\u5b9e\u73b0\u7b80\u5355<\/strong>\uff1aChirp\u7cfb\u7edf\u4e0d\u9700\u8981\u50cf\u76f4\u63a5\u5e8f\u5217\u6269\u9891\u7cfb\u7edf\u90a3\u6837\u5148\u540c\u6b65\u63a5\u6536\u5668\u624d\u80fd\u63d0\u53d6\u6570\u636e\u3002\u76f8\u53cd\uff0c\u5b83\u901a\u8fc7\u8109\u51b2\u538b\u7f29\u6ee4\u6ce2\u5668\u5b9e\u73b0\u89e3\u6269\u64cd\u4f5c\uff0c\u65e0\u9700\u8f93\u5165\u7aef\u7684\u540c\u6b65\uff0c\u8fd9\u5728\u8bb8\u591a\u4f4e\u5360\u7a7a\u6bd4\u548c\u4f4e\u6570\u636e\u7387\u7684\u53d1\u5c04\u673a\u548c\u63a5\u6536\u673a\u7cfb\u7edf\u4e2d\u662f\u4e00\u4e2a\u663e\u8457\u4f18\u52bf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7cbe\u786e\u7684\u65f6\u95f4\u548c\u4f4d\u7f6e\u4f30\u8ba1<\/strong>\uff1aChirp\u4fe1\u53f7\u7684\u9891\u7387\u968f\u65f6\u95f4\u7ebf\u6027\u53d8\u5316\uff0c\u8fd9\u4f7f\u5f97\u901a\u8fc7\u5bf9\u5176\u77ac\u65f6\u9891\u7387\u7684\u4f30\u8ba1\u53ef\u4ee5\u7cbe\u786e\u8ba1\u7b97\u51fa\u4fe1\u53f7\u5230\u8fbe\u7684\u65f6\u95f4\u5dee\uff0c\u4ece\u800c\u786e\u5b9a\u7269\u4f53\u7684\u4f4d\u7f6e\u3002\u5339\u914d\u6ee4\u6ce2\u5668\u7684\u5e94\u7528\u80fd\u663e\u8457\u63d0\u9ad8\u4fe1\u53f7\u68c0\u6d4b\u7684\u7cbe\u5ea6\uff0c\u964d\u4f4e\u591a\u5f84\u6548\u5e94\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u7531\u4e8e\u5176\u4f18\u8d8a\u7684\u7279\u6027\uff0cIEEE802.15.4a\u5c06Chirp\u7cfb\u7edf\u4f5c\u4e3aUWB\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u7684\u63d0\u6848\u4e4b\u4e00\uff0c\u8868\u660e\u5176\u5728\u5de5\u4e1a\u3001\u533b\u7597\u3001\u667a\u80fd\u5bb6\u5c45\u7b49\u591a\u4e2a\u9886\u57df\u7684\u5e7f\u6cdb\u5e94\u7528\u6f5c\u529b\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 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