• 2022-06-27
    如图所示电路, 其输入均为单位阶跃函数 [tex=1.643x1.357]TC2LmvPeKMXgKO2+JXwEXF6/O25NSpnQbqW95GfhkQc=[/tex], 求电压 [tex=1.714x1.357]PHQU/cbip4o9BavRUlPCmA==[/tex]的零状态响应。[img=272x135]17af2f7ed33d490.png[/img]
  • 考虑到零状态响应,则有 [tex=9.214x1.357]p5MEQHWSoFjgepaHsIrgYCMJzHp6gLKvIdWCrOtA1dz2mzm+CDz9RNTnAkM18X4kM8IMIZ+QudkSh8ZUBWGK+Q==[/tex], 则 [tex=0.5x0.786]BgHR5DBWke5rTEC5XEckiQ==[/tex]域电路模型与原电路形式相同。电压[tex=1.714x1.357]PHQU/cbip4o9BavRUlPCmA==[/tex]的象函数[tex=19.214x4.214]t/sKfk4J8n3tXO8WmAJuTGj6DBths+p1eZRsJZ4uMv2u6Ih4Hnkn+dgfIlN2OyNlGt1KJedLDat1s2AHDpmu0UeidBw3jG+RH3oAuN8Gqkcnmi2vBqyrja66UygXirFF49I1CN2qPjcTG4LcX6LF5KkDWyoKW62kgKjCPBXBz/3OPQNa8T/dNw46NtNv26S2cIFkJYIZZIvBnrKtVtztrBm0vWDkv5orC9RV7BivbV1sUPuxaTKGQr0wVdcRRZZwUtZkYmykUfN+O1QY1BHWUbRJNtbv6Xn0G3GAUlk4o+I=[/tex]将 [tex=8.357x2.357]bff6wbzvgKnYK5nFHxoxmU4H0fz9Vflp1bJAjNM9/GFal47l0HdiiXVmgN74/CQw3J3D5Cf8ZXL3x02Qb2EAcA==[/tex] 和各元件数值代人上式,得[tex=18.357x3.071]FkW3cFzrgOCDV5ifwH/IKYcf3PT5OqVDWlx2rRkaLkX4SviGZg6APxmIO7Dt1+uIhJLq+6YW1LwQfQ2yim5KSajG5Z3nui4wpgJv54AonJnXEcACE/MCNOTYsjrhW0swbEYXcpIz96JT6qKzWZ+I8r/rD6YqXucFqh8eE3DXF9fIgQUYX5s7TbJ5AkzHF9REKJdItECKi7UiKWKVvKs+RQ==[/tex]取上式逆变换,得电压[tex=1.714x1.357]PHQU/cbip4o9BavRUlPCmA==[/tex] 的零状态响应[tex=24.071x2.643]KUvYUheqQjgZ5K/R2mLTYjmRctvDi3kPrpjAN/xRu5OMmUQvDdmOpUvMvO4gfbaipnXli4Kx4ovX1iR9RZ6+B4f4cPlhTw0Ux7yNQ45AfrBakpPEeeAPfXegATeaW1mfNE6HDk3m+vOm9dtfzyErXRcmEATWjYgT4AqcBtKahvRbfTwrIptVm0NlPqQNckllRdqdB/MW53OsNdOPMEsRwA==[/tex]

    举一反三

    内容

    • 0

          图 10-10( a ) 所示电路, 若以[tex=1.714x1.357]PHQU/cbip4o9BavRUlPCmA==[/tex]为输出, 求:网络函数 [tex=5.571x2.714]3+DBwEdC9XaCboihGEp4JgUa4WLm2C2qod1MtJjbQrM=[/tex];[br][/br][img=983x270]17aaa8d0e765642.png[/img]

    • 1

      如题图所示 R L C电路, 已知[tex=14.643x1.357]el8IazYl1fJg5PWDnMa9VqbtV6Eh3TTGd4jvTErRzL9Yd4f3bTzDDoxBAsRCmFSeHrIXXcc26PMAQcJDZ6UidFKZUKhn9LSA+q+iKiIeVB1qUYj3mD6QRMDeb971zYj5[/tex] 。试用 S域方法求全响应 [tex=1.714x1.357]PHQU/cbip4o9BavRUlPCmA==[/tex] 。[img=347x181]17d4c23a8f083ef.png[/img]

    • 2

      求题9 18图所示电路的零状态响应[tex=1.714x1.357]LQDjhWLbNBGk2tb5pbSofQ==[/tex]。[img=338x231]17d507608dd0680.png[/img]

    • 3

      画出单位阶跃函数[tex=1.714x1.357]PHQU/cbip4o9BavRUlPCmA==[/tex]的幅谱图.

    • 4

      电路如图 5-7 所示,激励为[tex=1.643x1.357]j6KcqgyprXeRIkkNI3dxdw==[/tex],响应为[tex=1.5x1.357]4oplQ+uBNX3MZ46HijPjsQ==[/tex],求冲激响应与阶跃响应。[img=368x177]17d5c1ec340ea5b.png[/img]