group delay
群时延：在信号处理中
常用释义
英式发音
美式发音
基本释义
- 群时延：在信号处理中，群时延是一个系统对信号频率分量的延迟。它表示系统对不同频率分量的相位响应的变化率。
例句
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1·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。
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2·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。
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3·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。
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4·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。
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5·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。
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6·A method of Group Delay measurement in Digital Radio System has been introduced in this article.本文介绍了一种数字微波通信系统的群时延测量方法。
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7·The amplitude frequency response and group delay response of SAW TVIF filters have been measured.并测试了其幅频特性和群延迟特性。
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8·In addition, the sufficient and necessary conditions for the group delay to be negative are given.同时给出了群时延为负的充分条件和必要条件。
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9·First of all, the reasons of the effects of BPF group delay on the OFDM system is deduced in theory.首先从理论上分析了射频BPF的群时延特性对OFDM系统产生影响的原因。
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10·The result of the research supplies a reference to the design of group delay of BPF in the RF system.本文的研究结论为射频系统中设计发射机BPF的群时延特性设计提供了参考依据。