用Cordic算法实现的atan函数，可以在通信中完成解调的鉴相功能。-Cordic algorithm using the atan function can be completed in the communication phase demodulation functions.

CORDIC 计算方法，用于通信系统里面的各个制式的硬件开发。-CORDIC algorithm,used by tele-communication system hardware design.