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15px\"><strong>6\u3001\u7406\u89e3\u4fe1\u53f7\u7684\u63d2\u503c\u4e0e\u62bd\u53d6<\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong><br \/><\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"letter-spacing: 0.034em;font-size: 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15px\"><strong>7\u3001\u7406\u89e3\u79bb\u6563\u5085\u91cc\u53f6\u53d8\u6362<\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong><br \/><\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\">\u79bb\u6563\u5085\u91cc\u53f6\u53d8\u6362\u5305\u62ec\uff1a<strong>\u79bb\u6563\u65f6\u95f4\u5085\u91cc\u53f6\u7ea7\u6570DFS\uff0c\u79bb\u6563\u65f6\u95f4\u5085\u91cc\u53f6\u53d8\u6362DTFT\uff0c\u79bb\u6563\u5085\u91cc\u53f6\u53d8\u6362DFT\uff0c\u518d\u52a0\u4e0a\u524d\u9762\u7684 \u5085\u91cc\u53f6\u7ea7\u6570FS\uff0c\u5085\u91cc\u53f6\u53d8\u6362FT\u3002\u8fd9\u51e0\u4e2a\u5144\u5f1f\u76f8\u805a\u5566\uff0c\u8981\u597d\u597d\u533a\u5206\u4e00\u4e0b\u3002<\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><\/section>\n<section style=\"text-align: center;margin: 0px\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-cropselx1=\"0\" data-cropselx2=\"578\" data-cropsely1=\"0\" data-cropsely2=\"308\" data-ratio=\"0.5370370370370371\" data-s=\"300,640\" src=\"http:\/\/www.xzclass.com\/img.php?img=https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/pUm6Hxkd437Iw4v0mnuo6yYTM7QK9QXht5beWXNcx8T4PQGayibxb7axHVpZ5oMhZ6PzANibyxFZEtYxYKfCdbJQ\/640?wx_fmt=png\" data-type=\"webp\" data-w=\"1080\" style=\"width: 578px;height: 310px\" \/><\/section>\n<section style=\"margin: 0px\"><\/section>\n<section style=\"margin: 0px\"><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong>\u79bb\u6563\u5085\u91cc\u53f6\u53d8\u6362DFT\u662f\u628a\u539f\u672c\u662f\u5468\u671f\u7684DFS\u622a\u53d6\u4e86\u4e00\u4e2a\u5468\u671f\u3002<\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong>8\u3001\u7406\u89e3\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362FFT<\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong><br \/><\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\">\u5b9e\u9645\u5de5\u7a0b\u4e2d\u4e3a\u4e86\u63d0\u9ad8\u901f\u5ea6\uff0c\u51cf\u5c11\u8d44\u6e90\uff0c\u628aDFT\u7684\u7b97\u6cd5\u505a\u4e86\u4f18\u5316\uff0c\u53d8\u6210\u4e86FFT\u3002N\u7684FFT\u76f8\u5f53\u4e8e\u662f\u628a\u91c7\u6837\u9891\u7387\u5e73\u5747\u5206\u6210\u4e86\u51e0\u4efd\uff0c\u6bcf\u4e2a\u70b9\u4ee3\u88681\/N\u3002FFT\u76f8\u5f53\u4e8eDFT\u662f\u5750\u4e0a\u7b4b\u6597\u4e91\uff0c\u4e00\u4e2a\u8ddf\u5934\u5341\u4e07\u516b\u5343\u91cc\u3002<\/span><\/section>\n<section style=\"margin: 0px\"><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong>9\u3001\u7406\u89e3\u62c9\u666e\u62c9\u65af\u53d8\u6362\u4e0ez\u53d8\u6362<\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong><br \/><\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\">\u62c9\u666e\u62c9\u65af\u53d8\u6362\u662f\u628a\u4e00\u4e9b\u4e0d\u80fd\u8fdb\u884c\u5085\u91cc\u53f6\u53d8\u6362\u7684\u4fe1\u53f7\u5148\u6234\u4e2a\u91d1\u7b8d\uff0c\u5ff5\u4e2a\u7d27\u7b8d\u5492\uff0c\u7b49\u9a6f\u670d\u4e86\uff0c\u518d\u5085\u91cc\u53f6\u53d8\u6362\u3002z\u53d8\u6362\u662f\u62c9\u666e\u62c9\u65af\u53d8\u6362\u7684\u79bb\u6563\u6570\u5b57\u5316\uff0cz\u53d8\u6362\u7528\u6765\u5206\u6790\u79bb\u6563\u7cfb\u7edf\u3002\u76f8\u5f53\u4e8e\u662f\u793e\u4f1a\u7684\u5927\u8dc3\u8fdb\uff0c\u6ca1\u6709\u6761\u4ef6\uff0c\u521b\u9020\u6761\u4ef6\u4e5f\u8981\u4e0a\u3002<\/span><\/section>\n<section style=\"margin: 0px\"><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong>10\u3001\u7406\u89e3\u4ec0\u4e48\u662f\u6570\u5b57\u6ee4\u6ce2\u5668<\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong><br \/><\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\">\u6570\u5b57\u6ee4\u6ce2\u5668\u662f\u4ee5\u4e0a\u77e5\u8bc6\u7684\u7efc\u5408\u8fd0\u7528\u3002\u6ee4\u6ce2\u5668\u7684\u9891\u57df\u5bf9\u5e94\u7cfb\u7edf\u7684\u9891\u7387\u54cd\u5e94\uff0c\u6ee4\u6ce2\u5668\u7684\u65f6\u57df\u5bf9\u5e94\u7cfb\u7edf\u7684\u51b2\u51fb\u54cd\u5e94\u3002\u4fe1\u53f7\u7ecf\u8fc7\u6ee4\u6ce2\u5668\u4ece\u65f6\u57df\u770b\u662f\u5377\u79ef\u7684\u8fc7\u7a0b\uff0c\u4ece\u9891\u57df\u770b\u662f\u76f8\u4e58\u7684\u8fc7\u7a0b\u3002<\/span><\/section>\n<section style=\"margin: 0px\"><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong>\u4e00\u4e2a\u4fe1\u53f7\u4ece\u51fa\u751f\uff0c\u5230\u7ecf\u5386\u78e8\u96be\u88ab\u91c7\u6837\uff0c\u53d8\u6210\u6570\u5b57\u4fe1\u53f7\uff0c\u901a\u8fc7\u594b\u6597\uff0c\u8865\u9f50\u77ed\u677f\u63d2\u503c\u62bd\u53d6\uff0c\u901a\u8fc7\u4e0e\u5176\u4ed6\u4fe1\u53f7\u6597\u4e89\u76f8\u4e58\uff0c\u83b7\u5f97\u4e86\u66f4\u9ad8\u7684\u5730\u4f4d\uff0c\u6700\u540e\u7ecf\u8fc7\u4e86\u6ee4\u6ce2\u5668\u8fd9\u9053\u51ef\u65cb\u95e8\uff0c\u83b7\u5f97\u4e86\u91cd\u751f\uff0c\u8fd9\u5c31\u662f\u4fe1\u53f7\u7684\u4e00\u751f\uff01<\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong><br \/><\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\">\u4ee5\u4e0a\u5c31\u662f\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u4e0e\u4fe1\u53f7\u4e0e\u7cfb\u7edf\u7684\u5173\u7cfb\u5566~<strong><br \/><\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\">\u5c0f\u4f19\u4f34\u4eec\u5982\u679c\u8fd8\u662f\u6709\u4e0d\u7406\u89e3\u7684\u5730\u65b9\uff0c\u53ef\u4ee5\u770b\u770b<strong>\u5927\u5e08\u5144\u7684\u300a\u6df1\u5165\u6d45\u51fa\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u300b\u548c\u4e39\u6885\u8001\u5e08\u7684\u300a\u4fe1\u53f7\u4e0e\u7cfb\u7edf\u300b<\/strong>\u8fd9\u4e24\u95e8\u8bfe\u7a0b\u3002<\/span><\/section>\n<section style=\"margin: 0px\"><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong><strong style=\"font-size: 15px;letter-spacing: 0.578px\"><strong style=\", Arial, sans-serif;letter-spacing: 0.544px\"><span>\u4e00\u3001\u300a<\/span><\/strong>\u6df1\u5165\u6d45\u51fa\u6570\u5b57\u4fe1\u53f7\u5904\u7406<strong style=\"font-size: 15px;letter-spacing: 0.578px\"><strong style=\"letter-spacing: 0.578px\"><strong style=\", Arial, sans-serif;letter-spacing: 0.544px\"><span>\u300b<\/span><\/strong><\/strong><\/strong><\/strong><\/strong><br \/><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong><strong style=\"font-size: 15px;letter-spacing: 0.578px\"><br \/><\/strong><\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><span>\u5927\u5e08\u5144\u7684\u8fd9\u95e8\u8bfe<strong>\uff0c<\/strong>\u76ee\u524d\u5df2\u7ecf\u6709&nbsp;<\/span><strong><span>1381&nbsp;<\/span><\/strong><span>\u4f4d\u5b66\u5458\u5566\uff01<\/span><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><br \/><\/span><\/section>\n<section style=\"text-align: center;margin: 0px\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-cropselx1=\"4\" data-cropselx2=\"340\" data-cropsely1=\"0\" data-cropsely2=\"325\" data-ratio=\"0.9413489736070382\" data-s=\"300,640\" src=\"http:\/\/www.xzclass.com\/img.php?img=https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/pUm6Hxkd434sPDyyKLLaOIutrYYCuvuAlkNzNYibPtwPvzN0Cuj3Tic8ZYfg0oicSvNavIFTXgxLUlr2bx4Lo1JYQ\/640?wx_fmt=png&amp;from=appmsg\" data-type=\"jpeg\" data-w=\"341\" style=\"width: 345px;height: 325px\" \/><\/section>\n<section style=\"margin: 0px\"><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\">\u800c\u4e14\u5927\u5e08\u5144\u8001\u5e08\u4e5f\u4f1a\u5728\u5b66\u4e60\u7fa4\u5185\u8fdb\u884c\u95ee\u9898\u7684\u7b54\u7591\uff01\uff01\uff01<strong><br \/><\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><\/section>\n<section style=\"text-align: center;margin: 0px\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"1.3324074074074075\" data-s=\"300,640\" src=\"http:\/\/www.xzclass.com\/img.php?img=https:\/\/mmbiz.qpic.cn\/sz_mmbiz_jpg\/pUm6Hxkd436016WTVNUbfxUC0jibib5I3Z5eprAhjZ6XqhHjmBYQKqib7o4MIic1KBH9J3xZs4ZaMkqYvfI642zHFQ\/640?wx_fmt=jpeg\" data-type=\"jpeg\" data-w=\"1080\" \/><\/section>\n<section style=\"margin-left: 0px;margin-right: 0px;margin-bottom: 0px\"><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong>\u626b\u63cf\u4e0b\u65b9\u4e8c\u7ef4\u7801<\/strong>\uff0c\u5373\u53ef\u62a5\u540d\u5b66\u4e60\u3002<\/span><\/section>\n<section style=\"margin: 0px\"><\/section>\n<section style=\"text-align: center;margin: 0px\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-cropselx1=\"0\" data-cropselx2=\"578\" data-cropsely1=\"0\" data-cropsely2=\"321\" data-galleryid=\"\" data-ratio=\"0.5555555555555556\" data-s=\"300,640\" src=\"http:\/\/www.xzclass.com\/img.php?img=https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/pUm6Hxkd437wvaVctTia32NfVX4ico7bMPHFpZyX0vlYiaQaicTicPV9jnzOyhz7AWj56YQiaZyeUA2hicJdtNcM09rkA\/640?wx_fmt=png\" data-type=\"png\" data-w=\"900\" style=\"width: 578px;height: 321px\" \/><\/section>\n<section style=\"margin-left: 0px;margin-right: 0px;margin-bottom: 0px\"><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong style=\", Arial, sans-serif;letter-spacing: 0.544px\"><span>\u4e8c\u3001<strong style=\"font-size: 15px;letter-spacing: 0.578px\">\u4fe1\u53f7\u4e0e\u7cfb\u7edf<\/strong><\/span><\/strong><\/span><\/section>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><strong style=\", Arial, sans-serif;letter-spacing: 0.544px\"><span><strong style=\"font-size: 15px;letter-spacing: 0.578px\"><br \/><\/strong><\/span><\/strong><\/span><\/section>\n<p style=\"margin: 0px\"><span style=\"font-size: 15px\">\u4e39\u6885\u8001\u5e08\u7684<strong>\u300a\u4fe1\u53f7\u4e0e\u7cfb\u7edf\u300b<\/strong>\uff0c\u662f\u5168\u7f51\u77e5\u540d\u8bfe\u7a0b\uff0c\u76ee\u524d\u4e5f\u6709&nbsp;<span><strong>2431&nbsp;<\/strong><\/span>\u4f4d\u5b66\u5458\u5566\uff01\uff01\uff01<\/span><\/p>\n<p style=\"margin: 0px\"><\/p>\n<p style=\"text-align: center;margin: 0px\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-cropselx1=\"0\" data-cropselx2=\"343\" data-cropsely1=\"0\" data-cropsely2=\"338\" data-galleryid=\"\" data-ratio=\"1\" data-s=\"300,640\" src=\"http:\/\/www.xzclass.com\/img.php?img=https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/pUm6Hxkd434sPDyyKLLaOIutrYYCuvuAOpaQ84ZINBbpYA5P0LugbP7vpicZIa80Arq2DovDGMYdGEHNFZaEB1Q\/640?wx_fmt=png&amp;from=appmsg\" data-type=\"png\" data-w=\"337\" style=\"width: 343px;height: 343px\" \/><\/p>\n<p style=\"margin-left: 0px;margin-right: 0px;margin-bottom: 0px\"><\/p>\n<p style=\"margin: 0px\"><span style=\"font-size: 15px\">\u4e39\u6885\u8001\u5e08\u4e5f\u4f1a\u5728\u7fa4\u5185\u8fdb\u884c\u7b54\u7591\u54e6\uff01\uff01\uff01<\/span><\/p>\n<p style=\"margin: 0px\"><\/p>\n<p style=\"margin: 0px\"><span style=\"font-size: 15px\">\u8fd8\u5728\u72b9\u8c6b\u4ec0\u4e48\uff0c\u8d76\u5feb\u6765\u62a5\u540d\u5427\uff01\uff01\uff01<\/span><\/p>\n<section style=\"margin: 0px\"><span style=\"font-size: 15px\"><br \/><\/span><\/section>\n<section style=\"text-align: center;margin: 0px\"><img decoding=\"async\" class=\"rich_pages wxw-img js_insertlocalimg\" data-ratio=\"1.501108647450111\" data-s=\"300,640\" src=\"http:\/\/www.xzclass.com\/img.php?img=https:\/\/mmbiz.qpic.cn\/sz_mmbiz_jpg\/pUm6Hxkd436sbqxaxv77rB95AqjlVMSliaWhXbd6hWwr7jdo5M0FKT2dMlibn23RJdO2IpHojYngz7NeARZZMsZA\/640?wx_fmt=jpeg\" data-type=\"jpeg\" data-w=\"902\" style=\"width: 578px;height: auto\" \/><\/section>\n<section style=\"margin-left: 0px;margin-right: 0px;margin-bottom: 0px\"><\/section>\n<section style=\"text-align: left;margin: 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