FIR思维:检查扩声系统中的有限脉冲响应滤波

FIR Thinking: Checking Limited Impulse Response Filters in A Sound Reinforcement System

结合实际操作和示例,介绍FIR滤波器的相关理论,包括基本概念、类型、线性相位、脉冲响应以及主要用途。

Combining actual operation and example, the author introduces the theory of FIR filter, including basic concept, type, linear phase, pulse response and main application.