phase-frequency characteristics造句

• Log phase - frequency characteristics
  对数相频特性
• Phase - frequency characteristics
  相频特性
• It can be used to measure the amplitude - frequency characteristic and phase - frequency characteristic of the unknown network , and give the real - time the transmission - characteristic measurement of the unknown network
  运用扫频技术的频率特性测试仪可以对被测网络进行快速的动态测量,得出被测网络传输特性的实时测量结果。
• The small - signal model in main circuit are built by using average circuit model . the relationship of each small signal and efficiency duty cycle are described completely . magnitude - frequency characteristics and phase - frequency characteristics of each main transfer function are got
  本文分析了全桥移相zvspwmdc - dc变换器的基本原理，运用平均等效电路法建立了主电路小信号模型，并详细分析了各小信号变量与有效占空比之间的关系，得到了各主要传递函数的幅度和相位频率特性。