关于自适应反步控制的双螺旋桨自动靠泊文献，最新的-The auto-berthing of a ship requires excellent control for safe accomplishment. Crabbing, which is the pure sway motion of a ship without surge velocity, can be used for this purpose. Crabbing is induced by a peculiar ope

模拟电路的设计中须广泛的应用到电压基准和电流基准，它们是直流量，为核心电路提供偏置，建立直流工作点； -Design and simulation of circuits to be widely applied to a voltage reference and current reference, which is a straight flow, providing the core bias circuit to establish the DC operating point