在分析机构导航误差的基础上，提出用泰勒级数展开法对机构导航系统的误差进行定性分析；
The qualitative error analysis of the mechanical navigation system was implemented using Taylor series expansion method after introduction of the system characters.
分析并与直接泰勒级数展开法比较了计算精度和运算速度，验证了其具有精度高、速度快、编程简便等优势。
The accuracy and the error of the method are analyzed. Results show that it has characteristics of high precision, fast speed and easily programming.
实验证明，该方法的定位误差性能优于单纯的TDOA定位方法及静态定位方法中泰勒级数展开法的误差性能。
Simulations showed that the performance of the proposed tracking method was better than the TDOA tracking method and the static location of Taylor series expansion algorithm.
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