介绍了如何在PC机与80c196单片机之间实现多机串行通讯，RS- 4 85转换电路及相应软件的设计方法。
The way to realize serial communication between PC and the microcontroller 80c196 is discussed. RS-485 converted circuits and the design method of communication software are introduced.
基于电路基本理论知识，推导出多馈入交、直流并联的高压直流输电系统耦合导纳和换相电压关系表达式。
Based on electrical circuit theory, the formulation of the relation between mutual admittance and converter commutation voltage of the multi-infeed HVDC system was given.
可是对含有纯电容回路和纯电感割集的奇异电路，在“换路”瞬间其初始值有可能发生跃变现象，不能用换路定则来求解。
But in the singularity circuits that contain pure capacitance loop and pure inductance cutset, the initial value is possible of jumping phenomenon when switching.
针对电机空间矢量控制和直流无刷电机120电角度换相控制算法的电路实现，采用了控制状态机与PWM发生电路相结合的方法。
The method of finite state machine together with PWM circuit is given to realize the algorithms of Voltage Space Vector control and 120 electrical Angle changing phase control of DC brushless motor.
指出分析电路的过渡过程时换路定律不是在任何情况下都适用的，详细分析了该定律不适用的各种情形。
This paper indicates that the law of switching is not applicable in any cases when analyzing the transient state of circuit.
以异步电动机的换能作用为基本点，从变压器受控源电路模型入手，将异步电动机抽象为换能器电路模型。
An energy converter model of asynchronous electromotor has been presented according as energy conversion of asynchronous electromotor and controllable electrical source model of transformer.
为此，以矩形压电微悬臂梁结构作为换能单元，通过对压电层等效电流源和单相桥式整流电路的理论及相关公式的推导，得出微能量功率的计算公式。
An energy harvesting structure based on rectangle piezoelectric microcantilever was set up and the process of energy transform from vibration to electric was generally analyzed.
为此，以矩形压电微悬臂梁结构作为换能单元，通过对压电层等效电流源和单相桥式整流电路的理论及相关公式的推导，得出微能量功率的计算公式。
An energy harvesting structure based on rectangle piezoelectric microcantilever was set up and the process of energy transform from vibration to electric was generally analyzed.
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