The arithmetic of coordinates transformation is one of the core techniques in the ECDIS electronic chart display and information system based on GPS(global position system).
在基于GPS定位技术的电子海图应用系统中，各种坐标体系之间的变换算法是其核心技术之一。
The system consists of three modules: coordinates transformation module, map matching module, modeling and fitting module.
该系统主要由坐标转换、地图匹配和建模拟合三个模块组成。
Firstly, applied coordinates transformation and input transformation, the nonlinear system is transformed into partially linear controllable system.
首先通过坐标变换和输入变换，将非线性系统变换为部分线性可控系统。
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