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本文对用TP-801单板机实现实时多性能FIR数字滤波器的速度和精度进行了分析。讨论了在字长一定的情况下,如何考虑速度和精度的关系,以及在单位脉冲响应的时延较大时,如何在提高对信号处理速度的同时而最大限度地提高运算精度等问题。
In this paper, TP-801 single board real-time multi-performance FIR digital filter speed and accuracy were analyzed. This paper discusses how to consider the relationship between speed and accuracy when the word length is constant and how to improve the precision of the signal processing while maximizing the delay of the unit impulse response.