关于被动测距的一篇论文，我认为是一种实用的方法，很不容易找回来的，希望大家喜欢！-By using of stored digital terrain data, the target’s location can be calculated. The digital terrain aided passive target tracking algorithm consists o f the LOS intersection algorithm and the Kalman

Denoising the Signals using Kalman Filter for Target Tracking in Wireless Sensor networks