slow time varying

It can estimate the sampled impulse responses of unknown channels - fixed or slow time - varying channels.

它可对固定信道和慢时变信道的采样冲激响应进行估计。

In the heat dispersion process, temperature control has the characteristic of nonlinear, slow time-varying, lagging behind the major and simultaneously unpredictable disturbance.

在热分散过程中，由于温度控制具有非线性、慢时变、大滞后的特点，并存在不可测干扰。

Study showed that the hydraulic control system model is multi-variable, slow time-varying and non-linear.

研究表明，液压系统模型是多变量、慢时变和非线性的。