41·脉冲输入(Pulse input)： 瞬间返回到初始位置的操纵阶跃输入。 42·可逆操纵系统(Reversible control systems)： 在座舱中，操纵面的运动可以逆向驱动飞...
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...端和负端; dir pul) dir +(+5v) 方向信号:高/低电平信号 pul+和 pul -为控制脉冲信号正端和负端; dir 步进电机的 pul (脉冲输入)和...
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这类缺陷结构演变与电脉冲输入的电能、热能和应力有关。
The evolution of the above defects is closely associated with the electrical energy, thermal energy and the stress introduced by the electropulsing.
本文用可控热脉冲输入临界层的方法研究了平板层流边界层的稳定性与转捩。
An experimental study on the laminar boundary layer instability and transition was carried out in a flat-plate boundary layer by means of controllable heat pulsing introduced into the critical layer.
斩波控制电路选用了SG3525，经简单处理后得到两路脉冲输入到驱动芯片中作为斩波器的驱动信号。
SG3525 is selected as the core device of the chopper. meanwhile. two pulse that will input to the chopper can be obtained by simple design.
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