uni-directional input ports 单向输入的端口 ; 只有一个方向输入端口 ; 单向输入端口
Experimental results show that three-phase PWM converters are advantageous in high power factor, small input-line current harmonic distortion and bi-directional power flow.
实验表明，作为双馈感应发电机转子励磁电源的三相pwm变换器具有功率因数高、网侧电流谐波小、能量双向流等优点。
A compact, low input power optical bistable device, combined with photodetector and optical fiber directional coupler and semiconductor laser diode, was presented.
介绍一种紧凑的、能以较低输入光功率工作的光学双稳器件，由光电检测器、光纤定向耦合器和半导体激光二极管组合而成的。
A general model for fiber directional coupler with fiber Bragg gratings in its arms is presented. The output expression of any arm is obtained when input is from an arm.
提出了臂内含有光纤光栅的方向耦合器的一般模型，推导了任意端口输入时任何一端口的输出表达式。
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