To solve the problem of the ill-condition in locating and tracking a moving source using passive measurements, a new method based on linear estimation is presented in this paper, the.
本文针对无源声纳对运动声源的被动定位跟踪中的病态问题，提出一种基于线性估计、可减轻病态的新方法。
The model of motive system is made in the light of measurements of target bearings, elevation and frequency by passive sonar.
首先以无源声呐对目标的方位角、俯仰角和频率测量为依据，建立动态系统模型。
The passive orientation of IRST is a dynamic triangle measurement. For the fixed target, the orientation error can be minimized by multiple measurements and the least squares(LS) method.
IRST的被动定位实质上是一个动态三角测量法，对于固定目标，可以利用多次测量和最小二乘法降低定位误差。
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