Based on the relationship between the group delay function and the cepstral coefficients, the denominator polynomial coefficients can be determined.

根据群延迟函数与倒谱系数之间的关系，可以确定分母的多项式系数。

The amplitude and group delay characteristics can be controlled exactly.

对幅频特性和群时延特性进行精细调整。

It results that the pulse deformation is caused by group delay of different modes.

得出多模波导脉冲畸变主要是模式不同的群延迟造成的。

Many published papers analysed range error by using group delay, it is not accurate enough.

以往的文献中，多用群时延来分析TT&C的测距误差，这种方法不够准确和全面。

Narrow band corrective functions with various group delay are introduced into the time domain.

在时域上引入了不同群时延的窄带校正函数。