The small signal analysis of laser diode type all optical wavelength converter is presented using carrier depletion, and the frequency response function is given.

理论上基于载流子消耗机制，对激光器型波长转换器进行了小信号分析，给出了频率响应函数。

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This type of system is active warning systems from photodiode, luminous diode, the circuit and was enlarged circuit.

本系统属于主动型报警系统，由光电二极管、发光二极管、放大电路及报警电路组成。

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The torque ripple caused by diode freewheeling of the inactive phase during non-commutation state of PM brushless DC motor(BLDCM)when using the PWM_ON type of pulse width modulation was analyzed.

分析了传统的PWM_ON调制方式对无刷直流电动机在非换相期间由于截止相的反并联二极管续流而导致转矩脉动的原因。

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