group delay variation
6.差分延迟(Differential delay) 差分延迟是指在两种不同频率之间的群延迟变化(GDV, Group Delay Variation),单位为ns。
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... 群延迟 Group delay 群延迟变化 group delay variation ; GDV 群延迟频率 group delay frequency ...
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由于采样速率、滤波器转折频率、建立时间、群延迟和输出字速率与外部时钟频率呈比例变化关系,因此这些参数也会相应降低。
The sample rate, filter corner frequency, settling time, group delay and output word rate will be reduced also, as these are proportional to the external clock frequency.
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