Through signal processing, the necessity of moving average filter for SNR is demonstrated, and the method for characterizing leak signal with interzone signal energy is proposed.

• 不论从社会和经济的角度、还是从环保和能源节约的角度来考虑，管道泄漏的监测和定位都是非常必要的。管道泄漏检测技术发展至今，已经涌现出许多方法。