基于TMS320C6713坐标转换的实现

Coordinate Conversion Based on the DSP Chip of TMS320c6713

在GPS定位导航系统中,我们需要实时的将定位数据进行转换,而GPS数据属于WGS-84坐标系,我国采用的是BJ-54坐标系,文中在基于TMS320C6713最新浮点DSP芯片基础上,该芯片能够完成多种高性能的数字信号处理算法,详细讨论了WGS-84和BJ-54坐标转换常用的七参数法、五参数法和三参数法几种算法,在改进三参数算法的基础上实现了坐标转换参数因子的求解,利用TMS320C6713芯片编程实现了坐标的转换,并成功运用于长波接收机中。

Based on the highest--performance Floating--Point Digital signal Processors TMS320c6713, analyzes several arithmetic of coordinate conversion： seven--parameters, five--parameters , three--parameters, find the way of getting the parameter factor of coordinate conversion through the arithmetic of three--parameters, realize the program of coordinate conversion using the DSP chip of TMS320c6713.