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fir-low-pass-filter-design

于 2012-01-29 发布 文件大小:8KB
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  用矩形窗设计了一个FIR线性相位低通数字滤波器。截止频率0.5π,阶数为21阶。求出了系统函数并画出了幅频响应。(A rectangular window design with linear phase FIR low-pass digital filter. Cutoff frequency 0.5π, the order of 21 bands. Find the system function and plotted the amplitude-frequency response.)

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