The paper introduces the general methods for improving the transmitter-receiver isolation of velocity-measuring radar,and analyzes the problems existing in the metal-baffle method and the wave-absorbing materials method.

Sending and Retrieving Based on WSAEventSelect Model;

According to the analyzing of method to miner’s lamp and self-help device management,the paper points out the trouble of specific responsibility receive and dispatch method and puts forward self service method inroduce the advantage of self-sevice instead of full-time sending out and having back.