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In order to solve the shooting range is the finish mutilate test warhead low infrared characteristics drop zone high-speed video, data acquisition devices such as trigger the problem of low reliability, this paper puts forward the design idea of multi-source trigger. Using acoustic sensor, seismic wave sensor induction warhead role when the acoustic signals, seismic waves, the induction of random signal conditioning test equipment designed to identify the square wave signal is triggered. The general idea design, each subsystem design, etc. Development and design for the finish mutilate test drop zone test equipment to trigger the multi-source trigger device, the device is triggered flexible, not affected by bad weather and day and night, Can achieve all the test, solve the finish damage test drop zone test equipment of the trigger.