为了提高系统的运算精度和速度，采用定点DSP芯片TMS320 VC 5402进行计算和控制，以快速准确测出真北方位角。
In order to improve systematic operation precision and speed, adopt fixed DSP chip TMS320VC5402to calculate and control, and measuring northern direction Angle corner accurately fast.
根据数字类型以及是否存在精度说明符，数字会转换为固定点或科学记数法的最紧凑形式。
The number is converted to the most compact of either fixed-point or scientific notation depending on the type of the number and whether a precision specifier is present.
为了提高整个设计模块的控制精度，采用16位定点运算的方法进行PID控制器的设计。
In order to improve the precision of the control modules, use 16 fixed-point of computing the PID controller of the design, and optimize the design.
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