| 术语 | delay distortion |
| 释义 | delay distortion 延迟失真,延时畸变 1. In data communications, a distortion caused by different propagation speeds of electric signals in a transmission medium due to their difference in frequency. This type of distortion does not affect voice but can have a serious effect on some data transmission. 数据通信中,由于各种不同频率的电信号在同一传输介质中的传播速度不一样而造成的 失真。这种失真对声音无影响,但对某些数据传输却有严重的影响。 2. The distortion that results when the phase angle of the transfer impedance is not linear with frequency within the desired range, thus making the time of transmission or delay vary with frequency in that range. Also called “phase distortion”. 由于输入阻抗的相位角在指定的频率范围内作非线性变化所导致的失真,使传输时间或延 迟在该范围内随频率而变。此现象也叫做相位失真。 |
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