[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f6iBiLYZUTb2vfZo98vnhy71rw4JYBJSVrXRdeUgs32I":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2026-06-01 13:05:31",320739274,[8,9,10,11],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F235861bea939b2c25c45c485e265710b.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F068a9fd6f99214c4553dc62127b06b11.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0b97702bbfb2a251eadcd2b48a3cdb01.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F59dae58d9da872a7544346e07c2ba8df.png\">",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},18,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","9f403848c50843e99d954bc3d692a36a","第二章章节测验","若某连续LTI系统,其单位冲激响应\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F726875149d9db18a5540fad808ff037c.png\">,则其阶跃响应\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9ee620d9c66487d0c94db32c42c79d24.png\">为( )",[21,32,41,51,60,70,79,88,91,100],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],320739267,[25,26,27,28],"系统的初始状态又称为系统的 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1b02e33ec1d60ccb628e0665573d9e83.png\">状态","对于n阶系统,初始状态是一组含n个相互独立元素的状态","初始状态表示激励接入以后系统的瞬时状态","初始状态是解区间内的解","关于连续时间LTI系统的初始状态,下列描述不正确的是( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],320739268,[36,37,38,39],"0-状态描述的是系统的初始储能,包含了为计算未来响应所需要的过去全部信息","0+状态是解区间内的一组状态,满足系统解区间的解的表达式","通常以激励接入时刻作为t=0时刻,所以系统的解区间是t>0","若是电路系统,则系统的元器件是参数恒定的线性元件,且该电路系统是一个线性时不变系统","由常系数线性微分方程表述的系统,下列描述不正确的是",{"answer":42,"createTime":43,"id":44,"options":45,"question":50,"source":30,"type":31},[],"2026-05-20 15:31:04",320739269,[46,47,48,49],"齐次解和特解","自由响应和齐次解","瞬态解和稳态解","零状态响应和零输入响应","连续线性时不变系统的全解不可分解为( )",{"answer":52,"createTime":43,"id":53,"options":54,"question":59,"source":30,"type":31},[],320739270,[55,56,57,58],"零状态响应是包含了响应中全部的强迫响应和部分自由响应","零状态响应是系统 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F12e5bd0849025abddc4a0b28eee606e4.png\">状态为0时,系统在激励作用下的响应","零状态响应是强迫响应的一部分","系统的单位冲激响应是当激励为单位阶跃信号时系统的零状态响应","下列关于零状态响应的描述正确的是( )",{"answer":61,"createTime":62,"id":63,"options":64,"question":69,"source":30,"type":31},[],"2026-03-05 15:07:03",320739271,[65,66,67,68],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fea7846107a8024edc22fedb6a82c257a.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2d9288812fab49c7f2dd4b9efcbfa616.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5a4bb7776dfc4ca72eb341f1602b384c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1eb2f6eeca3abc1ec9958d1f7ca0fbc9.png\">","一个连续LTI系统的响应为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff24def22ec977ed68fd137d053ba3999.png\">,则系统的瞬态响应为( )",{"answer":71,"createTime":43,"id":72,"options":73,"question":78,"source":30,"type":31},[],320739272,[74,75,76,77],"若某LTI 系统有不为0的起始状态值,当保持LTI系统起始状态值不变时,系统的完全响应与激励信号之间满足线性倍乘规律","由常系数线性微分方程描述的系统,当激励为零时,系统的零输入响应对于各起始状态呈线性","自由响应和零输入响应都满足齐次方程的解","零输入响应是当激励为0时,系统初始储能所产生的响应","下列关于零输入响应的描述错误的是( )",{"answer":80,"createTime":43,"id":81,"options":82,"question":87,"source":30,"type":31},[],320739273,[83,84,85,86],"阶跃响应是阶跃信号与冲激响应的线性卷积","冲激响应是阶跃响应的微分","阶跃响应的激励是冲激响应激励的微分","系统因果时,冲激响应和阶跃响应均为因果信号","关于单位冲激响应与阶跃响应描不正确的是( )",{"answer":89,"createTime":5,"id":6,"options":90,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":92,"createTime":62,"id":93,"options":94,"question":99,"source":30,"type":31},[],320739275,[95,96,97,98],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F728847ffae1a30859cf86d937cf00eb3.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4dc0f03ad443af55460ebc7263232c2e.png\">","0","1","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Faed4e24f0402317b51a5a105dd11ce3a.png\">=( )",{"answer":101,"createTime":43,"id":102,"options":103,"question":106,"source":30,"type":31},[],320739276,[104,95,96,105],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa3cc7ff41d4154e5d6f5e97737d12ed2.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F80147aed018d8d9f1f7ec6f9d07ef62e.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F378e780254cd1c54cc65489d05f5512f.png\">=( )"]