time-variation

基本解释

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。
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。
The problems summarized as below: it is a nonlinear and time-variation system with uncertainties, and it is more complex. So the high performance of this control system is required.
其主要表现在：系统越来越复杂、存在非线性、时变性和不确定性，从而对控制系统的各种性能要求越来越高。

时变性
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。
土木建筑工程
时变性