[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$ffuPcyS2MzaQDRrgeEOfcg4i8bIoe4yXVhpcMauxxLco":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2025-12-21 16:19:24",277896509,[8,9,10,11],"根轨迹与虚轴的交点\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fec102a8330930b34056d992853463886.png\">","根轨迹有3条渐近线","渐近线与实轴的交点\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb3558bfde65a7d93fdf33f8bc16aa53b.png\">","实轴上根轨迹段:\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F919e6ed09f374b494ad192502f7cf1fb.png\">",{"courseId":13,"courseImg":14,"courseName":15},"95889fa688120229918caad3156c843a","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc54fd442468df222fc18de94c7c1563f.png","自动控制原理","系统开环传递函数为G_K\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F13fbe35660577b6a9461fda5017ffcb3.png\">. 则关于根轨迹的说法不正确的是( )",[18,29,32,41,50,59,68,77,86,95],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],277896508,[22,23,24,25],"没有无限零点","只有实轴上存在根轨迹","渐近线只有一条","起点为-2,-4","系统的开环传递函数为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd3ec0dd9efbbd57b5f9e6578081316cd.png\">,则下列说法不正确的是( )","v1",0,{"answer":30,"createTime":5,"id":6,"options":31,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":27,"type":28},[],277896510,[36,37,38,39],"稳定,0,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F27441b6ee034e1ef032a734516326d46.png\">","稳定,0,0","系统不稳定","稳定,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdef63add310409a2e9824d4de6e30be7.png\">","系统结构图如下图所示.试判别系统闭环稳定性,并确定系统的稳态误差essr及essn.( )\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa765e78c9dcdbe02abc0697458912fcb.webp\">",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":27,"type":28},[],277896511,[45,46,47,48],"B","C","A","D","的解放路三家分晋",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":27,"type":28},[],277896512,[54,55,56,57],"计算输入误差","求系统的根轨迹","求系统的传递函数","判断稳定性","梅森公式主要用来( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],277896513,[63,64,65,66],"正实轴","负实轴","正虚轴","负虚轴","设微分环节的频率特性为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc6fd3e30116880815ff52508b70fe160.png\">,当频率ω从0变化至∞时,其极坐标平面上的奈氏曲线是( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":27,"type":28},[],277896514,[72,73,74,75],"峰值时间","最大超调量","上升时间","调整时间","二阶欠阻尼系统暂态性能指标中与无阻尼振荡角频率无关的是( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":27,"type":28},[],277896515,[81,82,83,84],"输入","方块图单元","输出","比较点","在信号流图中,只有( )不用节点表示",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":27,"type":28},[],277896516,[90,91,92,93],"偏差;给定量","给定量;偏差","扰动;给定量","给定量;扰动","开环控制方式是按( )进行控制的,反馈控制方式是按( )进行控制的",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":27,"type":28},[],277896517,[99,100,101,102],"其单位阶跃响应的调节时间\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa4a74ca3dc1749c56aadad44596b8c49.png\">","其单位斜坡响应为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4c737c874929f0bf0e37eb06e8e94379.png\">,(t>=0)","其单位阶跃响应的上升时间\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6fc92e33989db67ae4722669cffb4903.png\">","其单位阶跃响应为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F355b441ca61f62a4d046750c96bb9fcb.png\">","已知系统的传递函数为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Faadf7cb6c6487618126e28dcc4385b44.png\">,则下列选项错误的是( )"]