[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fJI2RZaKA3JaFday4fB1f98_UZW2aSJks1NtlZRIsxu0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-10-31 17:52:37",163941023,[8,9,10,11],"0","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcc83832bd05df1fee19f1b442a538348.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa0854a51ab9b9bc8d2646beb31ddb306.png\">","∞",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},15,"62c84881f95d805222cddba9f66568e2","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","机械工程控制基础","6f7b53945bf24b3a8359c6ae7701f3ae","第三章 章节测验","已知输入信号为t,系统的型别为γ=2,则稳态误差\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fee4ef9214538750f2119cc721d69e723.png\">等于( )",[21,33,42,51,60,69,78,86,89,94],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-10-31 17:52:36",163941016,[26,27,28,29],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8407ee8e4e9545fc7df61c38c6235258.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1c1f60257b6eae3e70abe49e18a7c8b5.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffcdf3e08eb70c7844a911be1b94b5fea.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff527d13cb0a95c0da2a68836798a8604.png\">","若某单位负反馈控制系统的开环传递函数为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7b6e0018519317b0bcf7d02a2a6c226f.png\">,则该系统的特征方程为 ( )","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],163941017,[37,38,39,40],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fab526d0e163230fde2d8493a4b8e1912.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbf8a5ed2deb8b42ba263afc5c0040e2a.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0c784b648b9f40b10a1341c906c9814c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa068e08f8aa71a64278b7bdf7f34338e.png\">","已知系统的单位脉冲响应函数为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4bad7b6b52d2b50657235adeb7bd3a9f.png\">,则系统的传递函数是( )",{"answer":43,"createTime":23,"id":44,"options":45,"question":50,"source":31,"type":32},[],163941018,[46,47,48,49],"正实部","负实部","正虚部","负虚部","系统稳定的充分必要条件是其特征方程的所有根均具有( )",{"answer":52,"createTime":23,"id":53,"options":54,"question":59,"source":31,"type":32},[],163941019,[55,56,57,58],"超调量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F80fe6ddcdb4860f3de77bf99e9a50d35.png\">只与固有频率有关","超调量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F80fe6ddcdb4860f3de77bf99e9a50d35.png\">只与阻尼比有关","超调量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F80fe6ddcdb4860f3de77bf99e9a50d35.png\">与阻尼比、固有频率均有关","超调量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F80fe6ddcdb4860f3de77bf99e9a50d35.png\">只与快速性有关","对于欠阻尼的二阶系统,超调量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F80fe6ddcdb4860f3de77bf99e9a50d35.png\">解释正确的是( )",{"answer":61,"createTime":23,"id":62,"options":63,"question":68,"source":31,"type":32},[],163941020,[64,65,66,67],"距离虚轴很近","距离实轴很近","距离虚轴很远","距离实轴很远","主导极点的特点是( )",{"answer":70,"createTime":23,"id":71,"options":72,"question":77,"source":31,"type":32},[],163941021,[73,74,75,76],"0型系统","Ⅲ型系统","Ⅱ型系统","Ⅰ型系统","系统的开环传递函数为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9b9e51accce006315ccc2477af3020d5.png\">,则系统的型别为( )",{"answer":79,"createTime":5,"id":80,"options":81,"question":85,"source":31,"type":32},[],163941022,[73,82,83,84],"I型系统","II型系统","III型系统","如果输入信号为单位加速度函数时,系统的稳态误差为0,则此系统为( )",{"answer":87,"createTime":5,"id":6,"options":88,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":90,"createTime":5,"id":91,"options":92,"question":93,"source":31,"type":32},[],163941024,[8,9,10,11],"已知输入信号为l(t),系统的型别为γ=2,则稳态误差\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fee4ef9214538750f2119cc721d69e723.png\">等于( )",{"answer":95,"createTime":5,"id":96,"options":97,"question":98,"source":31,"type":32},[],163941025,[8,9,10,11],"已知输入信号为l(t),系统的型别为γ=0,则稳态误差\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fee4ef9214538750f2119cc721d69e723.png\">等于( )"]