4 order pll simulation using matlab

hungda50310

最近想使用matlab模擬PLL的behavior，

( J. J3 P! I& v但block接好後，卻無法模擬，出現下面error
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At time 1.654088834175351e-009, simulation hits (1000) consecutive zero
! l8 S' F& i( `2 Hcrossings. Consecutive zero crossings will slow down the simulation or cause
the simulation to hang. To continue the simulation, you may 1) Try using
Adaptive zero-crossing detection algorithm or 2) Disable the zero crossing of
; z8 o( ^1 l/ ^. e* c7 b. g9 Ithe blocks shown in the following table.
----------------------------------------------------------
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請問大家這問題該如何解?

檔案附件如下:
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http://www.badongo.com/file/27315449

% h. \7 o7 U4 [6 N/ `4 a謝謝大家