• 2022-06-03
    求题 图所示二端口的[tex=0.643x1.0]utVYe1By2BEqQCdeOFBFGw==[/tex] 参数、 [tex=0.714x1.0]+UD88My5xutGwvJ8vFb7KQ==[/tex] 参数和[tex=0.643x1.0]hU6vb1/ftxyA5RrRtvK5TA==[/tex] 参数矩阵 [img=421x193]17aaa6e9958ab4a.png[/img]
  • 解: [tex=1.0x0.286]QWpvogsIlU0ILJld1RPl/A==[/tex]对[tex=1.571x1.357]kJIcJl5HQ4FMn89u9st8cw==[/tex] 利用观察法列出[tex=0.786x1.0]WQgIyzyeJPUg+kcALIMKbA==[/tex]参数方程:[tex=24.643x5.786]qeiYnKXLEhyhuGRg8yLtrwcD1AUJNOsGUmXf4GjM+KU5pxY76EVj2f5fQBt4AQfrZmsKn3eTCaV+bMjK0cgnqioGQgq39+J6+BCAHGte3CXVdGBb2X5j6qa/rR/lRxhbsKb+1FOIMQcB0LLlbhZDVEGj2PhrT+U4uq15sXgze+CLPzYfj3rkwpXd/s3f170EpZYy4BfFG+8H8d6WYFSjrwNTAmZiQnnzESgZ681slkZaA99hwvEpzIEQ9HIme0UjyYiLb9ITwsDE04k3fU+qOpF2/gN0gttTRphDzAYrmJ+g0tPCZYtIsIOlnuBM2Q1jom3clja2CvXf/NDNBAkB75RAvLbpul8w5fX8Sg9CZYMH+Oz8OqVj1BywlG5PoYtgB/xEX3NRvImfxeu/Fu2xsjaooKRZoLOPLfL/CR/wDymORle9yAy9r2gkXpHxOAsCaFOwaxBtjVz5HceLim+Zt7COtZztxKtxyzl5PDDqyMo=[/tex]则 [tex=0.786x1.0]WQgIyzyeJPUg+kcALIMKbA==[/tex] 参数矩阵为: [tex=14.643x5.786]gYoP9eTwNKIZZH+SKHkXd2qECQoLr82KGwva0rjWb7q/Nw9v6NEafOn6iqOeLeoBU5mKwtRPVOevocp2gug5WVPm4AAZ+RFOA3UxVTMa4yTy6VPlOEC8iKLd1gTmtZCrkBib06v1qRR7N9zXFAIJdcPOobc6f8Yd8pPg4GySVPI9XwJa8hx93/AUYn3209Hh7ssc2SNHYqH7o1cB2QDfz3G7fTNQ9uH1YJPTvSUZP2U=[/tex]同理可列出 [tex=0.714x1.0]oaXPjenEQATpEhakjoja5g==[/tex] 参数方程:[tex=22.786x2.786]UsD6I0puLwPcA610ZWMlQZkuP5mvqFY6SwfKJtfoQNSYayx6w0Ys6OHZ5O/avLVnSHuEmTAiT2CC/ouu4VQiXLMJ9fINFVisQe/lwA2sTXnvc5EsV7a/TWBralEoalE9Qb8tMbkz9+teqsWfAAHHFTXN5BZs++J9lT0JbhvCZXD9UpDgdLEhJXg1U6S7ZRAZPOyRgiq5fxMVlQQOlFXtbVwuCSsU9hDHjwcoFdiZUjfpsxn4yt1viTI0pdEKV7bA[/tex][tex=15.786x2.571]peVG7uZqpsEjM4UFFQ6oE9wE6t9THwj4ijZ4ssJZYtYUz1QOziZWFVudlpx5Op+Xz+g8ogF5kbi9V/ZEI/XUvz5a/cIAkdn1h714A/yml1fvelkYZLA0eONFp4o5FlmOd5lpFzaG/jAt71y7vYs+skEU8q6OBm08S+bUAZkeNNMAXAPlL9TO5UphgKTX0Vfq[/tex]则 [tex=0.643x1.0]UOEtelDFT4PKwSr01e5NKg==[/tex]参数矩阵为:[tex=12.857x5.786]LJ7XHqgbEyPJCTS3RQluZJ9C1iwv24OXPBWfP7M69sS0FOLvAJxS0fDt0ecR1+quBVU2xkFQeYsxpVReivEw3MYcTuAo7gSBZmYyCRTGPVznw3wzCiSagA48pmSedzslrRYgeerDjGuglS3Pj0wVqtv4rRqLXeDRFoJPmgZQQYlmhnh6rxHUeqSFNMiIAtdjwAAf1oJm8YgRvSNo2M8aBbNRX7CfFR1IhxZXREjVpHk=[/tex]列出[tex=0.786x1.0]lu7gEpCriu/NF3CDFHew4g==[/tex]参数方程:[tex=7.214x1.429]A4EyuVEWGbyirnViqPUAwYiZy9uO7cHCYcQoD6LqaKIdqrlbL/4+gmYUzii73b0Q41cJAbwLRRNGM1o1Q5+HWw==[/tex]将式 2  代入式  1得: [br][/br][tex=12.143x2.214]Y+3Ln06ixSwfNppV8EMouQ0fvb0OtZ3cpvgsvKxUVf7tLIsC1WGti06VOlsBVbWZVO9766xWv40EIUY0dlc/5yRnD4BRw3vJPTFV48XDHBXRKMT/CdgoueOr75NcOLkg[/tex][tex=10.214x1.571]uX6EhCBcZrYFz9ctHvO0EN0QvEjq81sV+kbrkf4fOUPk0Ziekw1+ake4wXindUDibu+vuymUtIlbj+GUnIFWK3EB1jUSAIcDoVY/pYbmu3I=[/tex][tex=6.571x1.429]OnqBqF46aIbTTrMTl82JNI7T30lebF0RN1ytZW5R5zZlX1J7GU0Bqie6NXLfho9cYTQE+xohhuo7givqbhvWJQ==[/tex]则 [tex=0.786x1.0]lu7gEpCriu/NF3CDFHew4g==[/tex] 参数矩阵为:[tex=10.571x3.357]f3aV0XjJ9y8srjGkFPWSQNmYWzndh5aJ8y+Oo8Gg0Wrg5CaCIOqGmiYFgxclrRHYIgNotitqwnzSx5YaKni9Z3WOwHROhpyXkCR+HKjCM6PceY9tEqjlFyP8WAsCPf6PLE8N7eJ8w4AyVXU8OLAraA==[/tex]

    内容

    • 0

      求如图6-8所示二端口电路的[tex=0.786x1.286]pi/GsQ3apuRt43V3XQq/tA==[/tex]参数矩阵。[img=283x191]179a36ac88f9a67.png[/img]

    • 1

      设随机变量 [tex=0.857x1.0]KGogyvwDAIJf/iL0H/9wjg==[/tex] 与 [tex=0.643x1.0]jDVSpgNhHe+VJmgvx3gg1Q==[/tex] 相互独立,且服从参数为 1 的指数分布. 记 [tex=13.5x1.357]ZrmgIX329+lIMwj+0JP7oX4KmceUiv4NOTdLGvSfjGFY26aIR9qNFK9EJaP3gu/x[/tex] 求[tex=3.857x1.357]t0PsS3YAPSnhTBV9LUFwGQ==[/tex]

    • 2

      随机变量X服从参数为[tex=0.643x1.0]7dwHQGHL24uGORI8NryViw==[/tex]的泊松分布,且已知[tex=8.571x1.357]gWyoTuxxsfaBqL4MAoQPzg==[/tex],则[tex=0.643x1.0]7dwHQGHL24uGORI8NryViw==[/tex]=[input=type:blank,size:4][/input].

    • 3

      求图 [tex=2.286x1.143]fqMoOjrcViaSol5auNM8mA==[/tex] (a) 、 (b)、(c) 所示二端口电路的 [tex=0.714x1.286]atrPPistVyxj7cY8rjePCQ==[/tex] 参数矩阵。[p=align:center][img=601x367]179ab3ce11eb1c5.png[/img]

    • 4

      当X服从参数为[tex=0.643x1.0]f9ECb56a0KLfwkSKv7TvaQ==[/tex]的指数分布时,试求[tex=0.857x1.0]N7iCrOsS+NNEUUlnsYCi1g==[/tex]的[tex=0.571x1.0]QcnBkHbntawstmyl7KNMng==[/tex]分位数及中位数.