Teng Wen-shan. Discussion on FIR Filter Linear Phase Condition[J]. Acta Electronica Sinica, 1981, (2): 92-93.DOI:
Discussion on FIR Filter Linear Phase Condition
摘要
本文重新导出FIR滤波器实现精确线性相位特性的条件。所得结果与以往的研究并不矛盾
但允许频率取样为实数序列
利于实现FIR频率取样滤波器。
Abstract
The condition for implementing FIR filters with exact linear phase is derived once again in this paper. Results of the work are not contradictory with previous studies
but freque-. ncy samples can be a real sequence
so that it is advantageous to the implementation of FIR frequency sample filters.