A simple equivalent circuit model of quantum well laser (QW LD) which is derived by QW rate equations and is accomplished in the circuit simulation program SPICE.

给出一个新的量子阱激光器等效电路模型，由量子阱激光器单模速率方程推导得到并在电路模拟程序SPICE中完成。

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This paper presents a transient mathematical model of the HVDC converters-Equivalent Circuit Method (ECM), which can describe all possible states of converter valves in a simple and explicit way.

本文给出了一种高压直流换流器的暂态数学模型——等值电路法(ecm)。这种方法以简单、明晰的方式描述了换流器阀的所有可能的导通模式。

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A simple method is devised for measuring the detection impedance in the acoustic impedance method of detection of unbonds and is based on an equivalent circuit of the detector.

本文在声阻法检测器等效线路的基础上，提供一种测量检测阻抗的简捷方法。

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