[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fBRsfY9doDuEQ6eYe5OlCY8hgyae4kHTN0WShdoAJrbU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-05-19 17:17:17",144618708,[8,9,10,11],"比例环节","微分环节","积分环节","惯性环节",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},26,"a4e1cdeb192cb2cbcf6e72cae3a5ca0d","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd4e641025aec87033587fbb0d2c0c21b.png","机械控制工程","work_35033524","第四章作业 系统的频率特性分析","已知某环节频率特性\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F61885043eb82d3aa9061f1b5b895423a.png\">图如图所示,则该环节为( ) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9a5bc6b8dc761ec0585d9cd9abc68638.png\">",[21,33,42,51,54,63,68,77,82,91],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-05-19 17:17:16",144618702,[26,27,28,29],"时间响应只能分析系统瞬态特性","频率特性只能分析系统稳态特性","时间响应分析和频率特性分析都能揭示系统动态特性","频率特性没有量纲","以下说法正确的是( )","v1",0,{"answer":34,"createTime":5,"id":35,"options":36,"question":41,"source":31,"type":32},[],144618704,[37,38,39,40],"都是系统的数学模型","都与系统的初始状态无关","与单位脉冲响应函数存在一定的数学变换关系","与系统的微分方程无关","以下关于频率特性与传递函数的描述错误的是( )",{"answer":43,"createTime":5,"id":44,"options":45,"question":50,"source":31,"type":32},[],144618706,[46,47,48,49],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F76ca1379a3a7ea5906a1eec4ade17b7f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6bf81f8d34bf416322c1f909a8c6d5a3.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F42bfaf95723c8e1959e54472dd68c614.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcf7f30ddc89a4739f25dbd0b99252b93.png\">","系统的传递函数为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F84fea646c071a1bf473f69d3989bcd76.png\">,则其频率特性为( )",{"answer":52,"createTime":5,"id":6,"options":53,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":31,"type":32},[],144618710,[58,59,60,61],"O型","I型","II型","无法确定","已知系统开环频率特性的\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe51152dc3f3c3ce87c0c5e35a0739c0a.png\">图如图所示,则该系统的型次为( ). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc6918f4b6a9134fe2f2e46553adbe273.png\">",{"answer":64,"createTime":5,"id":65,"options":66,"question":67,"source":31,"type":32},[],144618712,[8,9,10,11],"已知某环节频率特性\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F940ce615f71144e2489d837673aecb46.png\">图如图所示,则该环节为( ). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fad5fa2b16c6100409477bbc127507a13.png\">",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":31,"type":32},[],144618713,[72,73,74,75],"0","1","2","3","已知最小相位系统的对数幅频特性图如图所示,则系统包含( )个积分环节. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F878111d3204aa1743ea3a4aac2f43ace.png\">",{"answer":78,"createTime":5,"id":79,"options":80,"question":81,"source":31,"type":32},[],144618714,[8,10,9,11],"上题中,不包含( )",{"answer":83,"createTime":5,"id":84,"options":85,"question":90,"source":31,"type":32},[],144618715,[86,87,88,89],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb588f992833aa5090e6a5a692d51de4f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4a4a1cc9550cea48f26d9aeb038a3c40.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff593b50ece0609742e49e6d6bdf80172.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbf69248b1e66a831828d4ee57b4ff221.png\">","二阶振荡系统的阻尼比\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb53871896c2ac11a43427b93c0b8d890.png\">,则有阻尼固有频率\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2b05420f07224020ce72a61e8bb022f3.png\">、无阻尼固有频率\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F27cf5abf229ae0ddfd883225778b08ca.png\">和谐振频率\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9a44e40cc79e302cb429d2bbac6cdcd7.png\">之间的关系是( )",{"answer":92,"createTime":5,"id":93,"options":94,"question":99,"source":31,"type":32},[],144618716,[95,96,97,98],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4c36039069d154ddce98afe26b7e5542.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8407f1255eda779e8ced9cbfdfc4783e.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8a7b2b26a120dcd478f9c6b57df2cd0d.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcba96c52cba64b0b3d7c875af3cae607.png\">","以下系统中属于最小相位系统的是( )"]