The state-space representation and the transfer function representation of fractional order linear time-invariant systems are introduced. 摘要介紹了分數階線(xiàn)性定常系統的狀態(tài)方程描述和傳遞函數描述。
The wetting front moved nearly parallel to the soil surface, and its length could be described by a power function of time, when the distribution of initial soil water was uniform. 當初始含水量分布均勻時(shí)，降雨入滲過(guò)程中濕潤鋒面幾乎平行坡面運移，濕潤鋒深度與時(shí)間的關(guān)系可用冪函數描述。
