[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fIblX-qjQy2w9dbB1oscd2ZJRkdI6usdSC_ggiD5VpD0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":26,"type":27},[],"2023-11-05 23:07:38",103358137,[8,9,10,11],"不存在","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3b5a8d6f2ab331cd5d3be18fdffcda90.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F15e73801a2e6ec915ad44240fd7fa3b1.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe32d7c34a7f9a3cbd07e76afcbea525d.png\">",{"courseId":13,"courseImg":14,"courseName":15},"de7bdd1defecc1b703c538cb8f38c5ee","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4a7cbc74c20e2c5584e5254d6a1c2080.jpg","信号分析与处理 （电气21级）","序列\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F068628fbefde8a3c78861ee979c28a49.png\">的z变换\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc063f27530e8daf3ddc345ae88298ac3.png\">的收敛域 ( )",[18,28,37,46,55,60,69,78,87,96],{"answer":19,"createTime":5,"id":20,"options":21,"question":25,"source":26,"type":27},[],103358128,[10,22,23,24],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa4ba1c280eca401ab5694063ae6ca03b.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F30cc3792f58f1e4f7e4e2ab5a08df5ee.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2bfac482363adf81ccb2cde4489976f9.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0785fd302134dfc2958341cc64361bbf.png\">","某因果LTI系统的系统函数\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F771e83ca7f2980e0c907662c5992e066.png\">,则其收敛域为 ( )","v1",0,{"answer":29,"createTime":5,"id":30,"options":31,"question":36,"source":26,"type":27},[],103358129,[32,33,34,35],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F523c66fff71d54b578a5a2efe1374a38.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc6d5f3a96e0fad7df5703b65d1879006.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffdb11cbe7b8dcf167222cc94ec6b223c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F16e05a7fd72018d418fb1388656f1e6e.png\">","序列\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F11f7f6245bc6240be82017a0bb520481.png\">的z变换\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F51eef25e8a5b80dd1e7015d2e472b20e.png\">,收敛域\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F77e220d1d54a1e3cb11aac2a34047e08.png\">,则此序列\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F11f7f6245bc6240be82017a0bb520481.png\">为 ( )",{"answer":38,"createTime":5,"id":39,"options":40,"question":45,"source":26,"type":27},[],103358130,[41,42,43,44],"系统函数的收敛区间包括单位圆","系统函数的收敛区间包括z=∞","系统的单位冲激响应为因果序列","系统函数的极点可以在单位圆外","下列关于离散时间因果稳定系统说法错误的是 ( )",{"answer":47,"createTime":5,"id":48,"options":49,"question":54,"source":26,"type":27},[],103358131,[50,51,52,53],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F449804847e0b8e7fdedea54d6021619b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3d75762317c0117a9d0f0659fdbc8415.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb35dce599b834d1ec0805d75bc56bdb5.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb99988672aca993b437f96521172e314.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F55ab23096cb0efa9f324b110acb2312f.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F40e869096bfddf4c55180a3ff937d881.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb90b6e0c42cb4049a0aef06287c3b6d4.png\">的z变换代数表达式为 ( )",{"answer":56,"createTime":5,"id":57,"options":58,"question":59,"source":26,"type":27},[],103358132,[8,9,11,10],"序列\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Feac7e3a6737cedc2422e0733481855a7.png\">的z变换\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc063f27530e8daf3ddc345ae88298ac3.png\">的收敛域 ( )",{"answer":61,"createTime":5,"id":62,"options":63,"question":68,"source":26,"type":27},[],103358133,[64,65,66,67],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F161f4a0c66d19b076b75a30baa8692fe.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcba9fd84da55c14cf9d02cc4920a1b1b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F934ecec5fee9a186043e1634215a2fd7.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2284658d8bd63ca6befedf242a98db36.png\">","某离散时间LTI系统的系统函数\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4dc081caf876b2478a800819aee6e4b2.png\">,要使系统因果稳定,参数\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F69a48fefd33cd6160c31522a819600e5.png\">应满足 ( )",{"answer":70,"createTime":5,"id":71,"options":72,"question":77,"source":26,"type":27},[],103358134,[73,74,75,76],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe0ba9e7b168f8c5cfb8277911acef64a.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffe9702ae8235168378a0a2b084f08a5f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F80fe81608320556424758fa54356364d.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcfbbff1c6d813126f354211aa2c41deb.png\">","序列\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7ce7d31d3452aaf34078ce92e6abe8f8.png\">的z变换代数表达式为",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":26,"type":27},[],103358135,[82,83,84,85],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1288796de2f559139a27efe5002f7a5a.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7faea0c937230a2a30ee633f9d9ca236.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8232be7002519a61eba0b77a41ec9de9.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F064b544bd542ea18ce760c460011930e.png\">","某离散时间LTI系统的单位冲激响应\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F30b77ad3e715d18ffefb30740e838ae1.png\">,其系统函数为 ( )",{"answer":88,"createTime":5,"id":89,"options":90,"question":95,"source":26,"type":27},[],103358136,[91,92,93,94],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed1b3be8e9c91a0383ff5e9caec84fa8.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4ee5a14208e544eba26c38ec20c320a7.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0b89ec060ad37ebcc9038c090378f0bd.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb82ffe2224e07b75b78ed02397c02c9c.png\">","已知\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F79ba98d2217335b042db1bcaa493d69b.png\">,ROC:\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb1fd7f34da3c5ddfe5396710c3b349d3.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc063f27530e8daf3ddc345ae88298ac3.png\">的反变换\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F11f7f6245bc6240be82017a0bb520481.png\">为 ( )",{"answer":97,"createTime":5,"id":6,"options":98,"question":16,"source":26,"type":27},[],[8,9,10,11]]