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AO

  • Two scripts are included here. 1. convsys.m - combines the state space representation of two syst

    Two scripts are included here. 1. convsys.m - combines the state space representation of two systems connected in series. [AO,Bo,Co,Do]=convsys(A1,B1,C1,D1,A2,B2,C2,D2) This algorithm gives the convolution of two state space representations | A1 B1 | | A2 B2 | u ==> | | ==> | | ==> y | C1 D1 | | C2 D2 | The algorithm also accepts state space objects as inputs and gives out a state space object as output. 2. sysfeedbk.m [AO,Bo,Co,Do]=convsys(A1,B1,C1,D1,A2,B2,C2,D2) Gives the closed loop state space representation for two systems connected with negative feedback in the following manner. | A1 B1 | u ==> | | ==> y + o | C1 D1 | | - | | | | A2 B2 | | |= | |= | | C2 D2 | The zip file also contains checkcompatibility.m , which checks the compatibility of matrix dimensions in the system and cleanss.m which can be used to clean a state space representation.

    標簽: representation included combines scripts

    上傳時間: 2017-07-25

    上傳用戶:semi1981

  • 射頻鎖相環基礎理論

    一.基礎理論鎖相環路(Phase Locked Loop)是一個閉環的相位控制系統,它的輸出信號的相位能自動跟蹤輸入信號相位。系統框圖如下:當0,(1)與0:(1)相等時,兩矢量以相同的角速度旋轉,相對位置,即夾角維持不變,通常數值又較小,這就是環路的鎖定狀態。從輸入信號加到鎖相環路的輸入端開始,一直到環路達到鎖定的全過程,稱為捕獲過程。設系統最初進入同步狀態[2nrtto,e,.]的時間為1。。那么從1=1,的起始狀態到達進入同步狀態的全部過程就稱為鎖相環路的捕獲過程。捕獲過程所需的時間T,=1,-1,稱為捕獲時間。顯然,捕獲時間T,的大小不但與環路的參數有關,而且與起始狀態有關。對一定的環路來說,是否能通過捕獲而進入同步完全取決于起始頻差8.(4)-AO。。若AO,超過某一范圍,環路就不能捕獲了。這個范圍的大小是鎖相環路的一個重要性能指標,稱為環路的捕獲帶AO,。

    標簽: 射頻鎖相環

    上傳時間: 2022-06-21

    上傳用戶:

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