时变 time variant; time varying; time-variation; time-varying 时变场,随时间变化的磁场 time-varying field ..
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随时间变化 time history; time variation; time-variation; time-varying; variation with tim ..
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Time Variation 时间变化性 ; [物] 时间变化 ; 随时间变化
time variation of gain 随时间而变化的增益
time-variation characteristic 时变特性
TVG Time Variation of Gain 增益的时变
time-to-time variation 时间与时间的变异
short-time variation 短期变化
In all communication channels, underwater acoustic channel is the most complex, and its fading, multipath effect, time-variation effect making many classic communication technologies can not be directly applied to underwater acoustic channel.
水声信道是所有通信信道中最为复杂的信道之一,其衰落、多径效应、时变性等特点使得许多经典的通信技术无法直接应用于水声信道。
参考来源 - 水下声扩频通信系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Experiments show that the technique is effective for processing unstable signals of time-variation spectra.
实验结果表明，该法是分析处理具有时变谱特性的非平稳信号的一种有效方法。
And the energy of the eastern component is mostly increased with time-variation.
东向分量的能量随时间的变化以增加为主。
Test the performance of controller designed in this paper, by doing simulation experiments with the first order inertia plant having the pure lag and time-variation parameters.
以参数时变时滞后过程为被控对象，仿真研究了本文设计的控制器性能。
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