用DSP产生高频、高精度余弦波的一种快速方法

A Fast Algorithm in Generation High Frequencyand Precise Cosine Wave on DSP

采用一种经过优化的级数展开法求余弦函数,并将其应用于定点DSP,经软、硬件测试表明该方法能够实时实现较高精度的余弦波.

A refined Taylor series is provide to compute the cosine function. The new algorithm is implement on single-chip fix point DSP(TMS320C5402). And high precise cosine wave is obtained in real-time.