Weighted least squares (WLS) localization algorithm for bistatic sonar was proposed by fusing the data of transmitter and receiver. The localization principle and error of the algorithm were given.

本文通过将双基地声呐中发射和接收站的测量数据进行融合处理，提出了基于加权最小二乘估计（WLS）的双基地声呐定位优化算法，给出了算法的原理和误差分布。

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For the multisensor systems, using the weighted least squares (WLS) method, a weighted measurement fusion equation and a equivalent weighted measurement fusion system are obtained.

应用加权最小二乘(WLS)法可得到一个加权融合观测方程，且它与状态方程构成一个等价的加权观测融合系统。

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