Base on the current tracing PWM rectifier, a new structure is proposed by introducing a power factor adjuster in to realization power factor variable PWM rectifier unit.
在电流跟踪型pwm整流器的基础上引入功率因数调节器，实现PWM整流器的功率因数闭环控制。
Real computing case using blocky structure for model-building in rather complicated geologic structure and conducting ray-tracing by iteration is given in the paper.
文中给出了在十分复杂的地质结构中应用块状结构方法建模并用迭代追踪法进行射线追踪的计算实例。
In a 2-d structure, the calculation results of a hybrid method, which is based on combing ray tracing and finite-difference time-domain (FDTD) method, agree well with the measurement.
在二维情形中，基于结合射线跟踪法和时域有限差分法(FDTD)的室内无线传播混合建模方法对于室内无线传播的预测结果与测量结果吻合较好。
In a 2-d structure, the calculation results of a hybrid method, which is based on combing ray tracing and finite-difference time-domain (FDTD) method, agree well with the measurement.
在二维情形中，基于结合射线跟踪法和时域有限差分法(FDTD)的室内无线传播混合建模方法对于室内无线传播的预测结果与测量结果吻合较好。
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