Mapped the FIR digital filter design of amplitude frequency characteristic curve.
绘出设计的FIR数字滤波幅频特性曲线。
Frequency sampling is one of the popular methods in FIR digital filter design.
频率采样技术是FIR数字滤波器设计的常用方法之一。
Reviewed the digital filters' structure and design concisely. Discussed and compared three design methods of linear phase FIR filter particularly.
简单回顾了数字滤波器的结构和设计，详细讨论和比较了线性相位FIR滤波器的三种设计方法。
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