试求图10-14所示电路的T参数矩阵。[img=736x262]179a27181c37cd4.png[/img]
解 图10-14a、b的相量模型如图10-15a、b所示。[img=550x254]179a27278958534.png[/img]T参数方程为[tex=9.143x4.786]rZM5/OPAdr7aX+kNl9iwpMjxkkERtu9HarJmGKDlqugL3yxNewKosSKARSaQp/6PhWbo87uNTavUAzzBvycRgCnzTlegivJCRVPcTz9Qye3ldpApI0w1EwyJEoqC3/ChIJ/mXBF5KRDCB9sbG2/oz3CT604hxyq9tOhhfp7o26O9f/AFIeewI2M5SRUZo6QG[/tex]在图10-15a 中,有[tex=6.143x3.5]i7AAVkTI5qE6kxW6BR3yx1A07aVGlxPpuiIgsC0G3m7J05fssKbbUUbZzGoKp2ERwWacB/8PuoOI9pa9WZpG9psHwsmtSnaUY9v034zADHA=[/tex] [tex=11.714x3.071]LdBgA3+S1ihkg5cNzjXNDjI3TQt4Mn0YiUUK1U+3zgKSiIXLQT7pZtbF8sN8xiNQXzmzQF/TF0KIiIh0Erb7wFlcfR7wtLRmghsqoyp/trhUVhuKFBMXSDqGYgWXEAYP[/tex][tex=6.143x3.5]XjoMHqlLsDRGmt+BsOQnxLxY98ibvwFmFvXcZKhmytS0Uia7EtF3FB/T7ruhv2j4LDdPbyJ5KH2wpSRtax08/lRmTRvWZGoZ9+DMzUeCNBw=[/tex] [tex=7.071x3.5]LERSB4V6+WII+IZ0DhYaxqLpaAMtGBFr6TTb9RluT4C7Yv7lvVmxlDj9eLifd6NMDmz17c/Kv/Fx0PNbm6qrg6ye0jvsycJD0H0P5MRIzWo=[/tex]则T参数矩阵为[tex=7.286x2.786]f3aV0XjJ9y8srjGkFPWSQOShWk+4aK19YkQLYlu1aqap2KXZZedY7ICIRiuo/JJkhEoNXdi5W31svbHCDR83wdIyv7GdRpvKq6KAteX9bHE=[/tex]在图10-15b中,有[tex=15.786x3.5]i7AAVkTI5qE6kxW6BR3yx1A07aVGlxPpuiIgsC0G3m7J05fssKbbUUbZzGoKp2ER+YzlgsxwLtCJBPfeGG9Z403R/LzNB1it8cd7NADzMoWNCMbsYqYEpEQ5d7vLjfcJ+S73i3DScXxF/6q8mLUYdDJnB35VtXVpdGdjLlbCvJK721c/nEUdhCmcLDFloFHm4mPdvcLds8Q1OTP6reX2Cg==[/tex][tex=23.214x3.5]XjoMHqlLsDRGmt+BsOQnxLxY98ibvwFmFvXcZKhmytS0Uia7EtF3FB/T7ruhv2j4aVT+b4/cJp53kHWClmzhrE50QUAL7bfBMLXKyMZQxvQwQx0QfP9Z61MyNFgmgOa9ZgB5QC+Y5dfzfQp4poXU1XktS/rLK2oofd48uOTg1iVeXQKaKvWwedRexiVzoPKmBhFcA1YThxwVlEk1mxdFmolrbb6dPRGVcHQJcEUrmo0yi872JvY7eeknAowV7CRx5z7a5Uf2VlRNmzD6dw0SZZ47xG9IJgSI0aDAl7yrp0M=[/tex]故T参数矩阵为[tex=10.071x5.786]f3aV0XjJ9y8srjGkFPWSQOShWk+4aK19YkQLYlu1aqafPpV9k4AKt5PMTmZ/bELsMkc+QWnOiIPxdgzp4BGQrLKauzJFuKPpo15CTG2v2iI3A4tI6HQkO/KZ0ZzSx/ni8fbcLSRfOrxrBFc9NOE7pv/Ygp0USxAnk4+wOkeusiw=[/tex]将图10-14c用互感消去法等效后的电路如图10-16所示。在图10-16中,有[tex=17.0x3.071]kuEptgN6uCaSJEPYxQtm4JXJ72gzVmfEEg3h0mfRW5WSH4qraHuhTW0j3Vllfj3V0AwWX2da8lx95U7MTj0EtaiG7J3ROftAu4vzCq/to+m6BT1mckXXSEjDX9aO0lwKqAmQgmHMGD908KSwEcGcp1Ici/o+nuvNSnIlQGMxwDmsxjziMuVnra0V+x7P4/Y2l4sNe9eV9SZWQshGR+AwXbS8O4bRt0atlSLwxhHlkeA=[/tex][tex=19.143x3.5]zFdhwC7v4nn43AE23GTiiVDtubITnkyQ7XRvoN38t0qJJzop0Ktm3Kj2yPI2BaPoFdVLzpaXSijuEwibnnACtZr3npaqVgxslP+iI09ziMLjbNSRimcIOqdLumR8R3wiT+/m1fwCwa9OgiCOYLV1lzlBCxJdOd7JQLtxJfGnacbkQ7PS7+xdjSodVTwKo5/fQnRYW0rXkhN7prTJWgONz66OGaNhAGm4Sz8rc8hhebU=[/tex]由分流公式得.[tex=11.929x2.429]zwQmikePY4G0r0p98r043N1yUlZvi7uhfxBaYY0MuUU+0LC49u4sPjG2ayqvNo/un/UzuXYeqfVULOA0bFJSFwZ1p8yXLpuL+oZLbRL8tDbj4ZMIrcKzkh5oEZ4GvyX3[/tex][br][/br][tex=3.214x2.571]fbRRYSvrL+ou/QQlzJJQ2gKiFwYANcOcLo9uFjazBDgJIve3XP1a0lJXTZmdeEF0[/tex]所以[tex=6.0x2.429]EikiVL/OtwuPCxJ041eAUSeWr4SOzPoF8KeVsi1B6pIN4QYiS+wA5Ofd9dLEfONiC65kNpiJqtu1NMM53Odt1Q==[/tex]则上式为[tex=24.286x3.929]zFdhwC7v4nn43AE23GTiiVDtubITnkyQ7XRvoN38t0qJJzop0Ktm3Kj2yPI2BaPoVnU3Rw/h3NIdySivqTHVue3vLuiuL2MwVLvQWeaU27ICJDPhdfn6NJKv773/o4/8+wEBa+qqTZ5n2vX8cZbBwMl7uMiJEbxO6+n77wBt7cVIF2F06lBvYoucPbDC81/WwG3mf5T4ucXvULRtSmNcgtkHt/ts7NxZhncI2WZGly/X3RsTbgCvEpXAjy5QZtVpIhR2Mw/NYFDMBighye/bM66TyB9+3jGluAfTnoyP/jM=[/tex][br][/br][tex=19.429x2.786]8/UDqpBZO+AaKbPXNIIHpSjhf8LlptYhCq25AH6Rmv14pohVW5xevgwf3339Uf8s0fkHIx+c98syoBAyVKqgIBPbR6W9FQxsJ/9ILtswA6eMbXOsJto3+R5wQOjghr4lNt/ri5hRB9kzLeX2SjTx3bnjbcS6JPxoFjN5bjV/ao4=[/tex][tex=17.571x3.5]XjoMHqlLsDRGmt+BsOQnxLxY98ibvwFmFvXcZKhmytS0Uia7EtF3FB/T7ruhv2j4aVT+b4/cJp53kHWClmzhrOpHJ8VUvSrxfhkYPM3qxezUA+DheSmdfV2mL9NYfYbtaxA9IdSUEjz0LcOczBuTl8ydTTq+JHty6sq+Dqgj/4YHLYtR82Z85UBWRz3BoQE72kTNp4RdVtRwYW+lN7MRKNJ2LjEQB/pO1Vcq8YrAtrA=[/tex]则T参数矩阵为[tex=13.286x5.786]FIbAMHQ1RNbgm0vmbDyU7iftEFuy8katyskNieMe1pcSA6EontXjSyx8hL/jBEi0vGojwGAJuPCuEygleTkIjauD5RY0B1fpsQK+D5OSjnTrGHw3bcvMFWPKg2w6hDgdH6bJZm7+/6xIyWK/4Vo7bcmUcflqmPyeYCR6kU1xjRcgfiY4VzmcFHLnUDkTLVemz90XHTZhgEGhncOL4PpaLg==[/tex][img=360x232]179a27d81329353.png[/img]
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举一反三
- 试求图10-17所示电路的T参数矩阵。[img=640x270]179a27e5f4250d7.png[/img][p=align:right]
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- 已知图10-23所示连续时间信号x(t),试求:用阶跃信号x(t)和斜坡信号r(t)表示x(t)。[img=338x263]17d4fba63160b27.png[/img]
- 图16.7示电路中,已知二端口电路的参数矩阵为:试求电压转移函数。
- 求图11 - 5(a) 所示二端口电路的 [tex=0.714x1.0]RRR4SYyCqv01G5bWEEMPdw==[/tex] 参数矩阵和 [tex=0.643x1.0]jDVSpgNhHe+VJmgvx3gg1Q==[/tex] 参数矩阵。[p=align:center][img=459x213]179ab35fd3b9776.png[/img]
内容
- 0
题6- 1图(a)所示电路开关S在t =0时动作,试求电路在t=0+时刻电压、电流的初始值。[img=231x160]17a860bb9be9470.png[/img]
- 1
试求图 4.25 所示电路二端网络的戴维南等效电路。[img=612x197]17aae157abbcd3e.png[/img]
- 2
题6- 1图(b)所示电路开关S在t =0时动作,试求电路在t=0+时刻电压、电流的初始值。[img=233x161]17a860fda3d7785.png[/img]
- 3
试求图所示各电路ab端的等效电阻Rab[img=261x167]17de87b6e6d1dcf.png[/img]
- 4
试求图所示各电路ab端的等效电阻Rab[img=261x167]1803e2dd3e3d327.png[/img]