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。

The localization principle of bistatic sonar is given and the GDOP(Geometry Dilution Of Precision) which used in bistatic radar for describing the localization error has been cited in bistatic sonar.

在对双基地声呐定位原理和定位误差分析的基础上，提出了用定位精度的几何解释（GDOP）来表征双基地声呐定位误差的方法。

Methods:Applying the principle of specific binding of antibody and antigen, make detection on accurate localization and qualitaliveness in tissues and cells.

方法利用抗原、抗体特异性结合原理，在组织和细胞中进行抗原、抗体准确定性、定位的检测。