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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phase-crossover frequency,相位交越频率 phase-frequency characteristics,相频特征 phase-s你好ft ultrasonic flowmeter,相移式超声流量计 ..
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The vibration were measured using capacitance-detecting technology to get the amplitude-frequency and phase-frequency characteristics.
用电容检测技术测量其振动信号，以获得传感器幅频、相频特性。
The Genetic Algorithm(GA) is used to optimize the pole-zero location in all-pass networks of 30 and 60 relative phase-shift, and good phase-frequency characteristics are obtained.
然后利用遗传算法分别对30和60十倍频宽带相对相移网络的零极点参数值进行了优化，得到了较好的相位频率特性结果；
By theory analysis of divider transfer function of magnitude-frequency characteristics and phase-frequency characteristics, a new method equalizing stray capacitance could be conclude.
并且通过对分压器传递函数的相频和幅频特性进行理论分析，提出一种分布电容补偿的方法。
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