Working Shandong public security network present stage pronunciation , give first place to TDM , working video frequency business safety stabilize , relative data business operation is managed being independent comparatively , defend cost comparatively highly, Part area adopt the V2OIP way, and but effect realizing way differing from one another, thinking being short of the all-round entirety.

In order to accelerate the development of digital control technique,a digital V2 control algorithm based on leading-edge modulation was proposed by introducting the blocks of digital controller and the theory of V2 control,and the principle of eliminating the sub-harmonic oscillation was investigated deeply.

The Difference Between RIP V1 and RIP V2;