输入信号与输出信号的相角差称为相频特性 相角差与频率的关系曲线称为相频特性曲线 正弦输入信号的响应也是正弦信号，频率与输入信号相同。不同的是相位与幅值
phase-frequency response characteristic 相频特性 ; 相频特征 Phase Frequency-Response 相频特性 logarithmic phase frequency response curve 对数相频特性曲线 ..
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phase-crossover frequency,相位交越频率 phase-frequency characteristics,相频特性 phase-shift ultrasonic flowmeter,相移式超声流量计 ..
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... frequency output,频率输出 frequency-phase characteristic,相频特性 frequency response,频率相应 ...
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... frequency-response characteristics 频率特性 Phase Frequency-Response 相频特性 frequency-response approach 频率响应计算法 ...
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对数相频特性 [自] log phase-frequency characteristics
相频特性曲线 Phase-frequency Curve
称为相频特性 phase response
幅频特性和相频特性 Magnitude & Phase
对数相位频率特性 logarithmic phasefrequency characteristic
幅相频率特性 magnitude-phase characteristic ; amplitude phase frequency characteristic
相位频率响应特性 phase response characteristic
频率相位特性曲线 frequency-phase characteristic
I find that phase-frequency characteristic of CWT directly reflect its analysis effect on PD signal. When phase-frequency characteristic of CWT is fairly similar with that of signal, the analysis result is the best.
通过对复小波相频特性的研究,发现复小波的相频特性直接影响复小波分析局部放电信号的效果,因此,作者认为只有选择那些相频特性与被分析信号的相频特性相近的复小波,分析效果才最佳。
参考来源 - 以复小波提取局部放电信号特征的原理及方法研究Much prophased work is done, optimized technology of amplitude response characteristic go mature. The purpose of optimizing phase response characteristic is to obtain flat group delay characteristic at Pass band.
而对相频特性优化的目的是要在通带内获得平坦的群时延特性。
参考来源 - 无源网络相频特性的优化算法及实现·2,447,543篇论文数据，部分数据来源于NoteExpress
文章给出了绘制开环系统对数相频特性曲线的简便方法。
In this paper, a simple method of plotting logarithmic phase frequency response curve for open-loop systems is advanced.
它能直观的测试一个系统的幅频特性、相频特性和截止频率。
It can measure the magnitude characteristic, phase characteristic and limiting frequency of a system.
而对相频特性优化的目的是要在通带内获得平坦的群时延特性。
The purpose of optimizing phase response characteristic is to obtain flat group delay characteristic at Pass band.
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