aperiodic component meaning in English

非周期部分
非周期成分
非周期分量
非周期性分量

Time constant of the aperiodic component
非周期分量的时间常数
It is discussed that the present harmonic analyzers do n ' t satisfy the requirements of china standard for harmonic measure of quick disturbance harmonic load . the measurement error brought about by the harmonic analyzers adopting ft or fft algorithm is analyzed . a cycle discrete fourier algorithm that should n ' t be effected by aperiodic component is presented , and the results of simulation show that it has higher accureacy
本文对电力系统谐波的测量方法，数据处理及电力牵引负荷对电力系统的影响进行了研究，论述了目前国内外生产的谐波分析仪用于快速波动谐波负荷的测量不满足国标的要求，分析了谐波分析仪普遍采用的ft或fft算法所产生的测量误差，提出了一种不受非周期分量影响的全周波离散傅里叶算法，仿真结果表明精度好。
Compared with the traditional curve - based method , this method can calculate the currents with high accuracy and little user effort . it can automatically calculate the periodic components of varying short circuit currents at anytime , and the aperiodic components of the symmetric short circuit currents
该计算机算法大大减轻了传统运算曲线算法的工作量，且具有较高的准确度，能够自动完成系统短路时任意时刻电流衰减周期分量的求解，及对称短路时短路电流非周期分量的求解。