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.

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In this paper a method of the construction of complex functions and their transforms are presented.

提出了基于幅频特性的复值小波函数构造方法及其相应的复值小波变换.

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Using matlab programming, 512 frequency points using a variety of window functions mapping amplitude frequency characteristics.

用matlab编程, 采用512个频率点绘制各种窗函数的幅频特性.

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To facilitate testing system frequency characteristics, output amplitude frequency characteristics and waveform distortion.

为便于测试系统的频率特性, 要求输出幅频特性平和波形失真小.

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Based on vector - spectrum method, the concept of vector amplitude - frequency figure and vector waterfall figure is established.

基于全矢谱理论, 定义全矢幅频特性图和三维全矢瀑布图的概念.

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The amplitude frequency characteristics of self - excited vibration are analyzed by nonlinear vibration theory.

应用非线性振动理论,分析抽水蓄能电站产生自激振动时的幅频特性.

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The curves of amplitude - frequency and phase - frequency characteristics were obtained based on the derived frequency characteristic equations.

在导出的频率特性方程的基础上,仿真得到相应的幅频特性曲线和相频特性曲线.

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