A special treatment is made in outlet boundary in which the subsonic and supersonic flow exist commonly. Block-Line-Gauss-Siedel method is used to solve THD differencing equations.
对离散方程采用线超松驰方法迭代求解，在亚音速与超音速气流共同存在的出口边界分情况进行了处理。
The design of input differential-mode (DM) EMI filter for the reduction of total-harmonic-distortion (THD) for line current has been developed in considerations of practical design limitations.
而设计加入一个差模 EMI 滤波器以提升系统电路的功率因数并降低总电流谐波量以符合相关的规范。
THD phase shift with the changes, the two main circuit results in line with the shift is the increase of phase angle, and showed overall larger trend.
THD随移相角的变化，两种主电路结果一致，都是随移相角的增大，而呈现总体变大的趋势。
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