快速傅里叶变换(FFT)是电力系统进行谐波分析的主要算法，但当输入信号中含有衰减直流分量时，FFT算法会产生较大的误差。
Fast Fourier transform (FFT) is the main algorithm for harmonic analysis in electric power system, but when there is the decaying DC component in input signal, FFT algorithm will have higher error.
加速度计的偏置误差形成一平均的常值偏离加上一振荡分量。
The accelerometer bias errors result in an average constant offset plus an oscillatory component.
研究了相位误差累积因子、信号分量阶次和平均段数等参数对时域同步平均信号幅值的影响规律。
The influencing rules on Time Synchronous averaging signal are achieved by Phase Error Accumulation Factor, component order and averaging number.
本文探讨了主轴回转误差运动中偏心分量的分离问题。
In this paper further study is given to separate the eccentricity from the rotation error of a spindle.
提高惯性平台使用精度的途径之一是用计算机实时补偿平台误差的系统分量。
One of the approaches in the enhancement of accuracy of inertial platform is to perform the realtime compensation of the systematic component of platform's error by use of computer.
当交流系统发生三相不对称故障时，忽略直流系统负序分量的准稳态模型将给交直流混合系统的仿真带来较大的误差。
The QSS (Quasi Steady State) model of converter which neglects the negative impedance of DC system will bring some errors when unbalanced fault occurs in AC system.
全波傅氏算法是基于周期信号推导出来的，当采样信号中含有衰减直流分量时，将会产生误差。
The decaying DC component in the sampling signal will bring errors to the full-wave Fourier algorithm, which is derived with periodic signal.
把温湿度信息作为PCA输入分量，能较好补偿温湿度造成的传感器误差。
Sensor's error caused by temperature and humidity could be compensated by choosing temperature and humidity as input components of the PCA model.
另外，通过局域波分析可把复杂的实测数据分解成有限个基本模式分量，从而简化信号分析过程，降低信号分析误差。
In addition, complicated tested data are decomposed into several intrinsic mode functions by this way, which low analyzing error, and predigest processing.
这些方法不能分析非整次谐波，不能区分一次谐波和偏心分量，并且含有较大的非线性误差。
These methods can't be used not only to analyze the non integral order harmonics, but to distinguish the eccentricity and the first harmonic, and contain the lager nonlinear error.
轴系回转误差运动的特征是一项复合信号，它含有周期分量和随机分量。
The characteristics of error motion of shafting is a complex signal which includes periodic component and random term.
VAP法反演的二维风场，误差主要集中在切向分量，有时误差是很大的。
The wind error retrieved with VAP method mainly focus on tangential velocity, sometimes the error is very big.
采用加矩形窗fft插值算法，谐波的负频分量对谐波计算的误差影响较大。
For rectangular window FFT interpolation algorithm, the negative frequency components of harmonic components have a greater impact on the fundamental calculation error.
本文分析了磁通门磁变仪探头三分量正交度误差对定向的影响并提出了减小其影响的措施。
Effects on the right-angled error of the three-component Flux Gate Magnetometer exploring head to direction were analysed and some methods to reduce the effect were put foward in this paper.
在状态估计领域中，指标要求常直接以状态分量的估计误差方差上限的形式给出。
The motivation for this study is that in the area of state estimation, the Performance requirements are usually described in terms of the upper bounds on the error variance of state estimation.
数值计算结果表明，多径分量的相位变化会影响时间同步误差谱估计均值的准确性。
Numerical results demonstrate that the phase variations caused by multipath time delays may influence accuracy of the mean of time synchronization error spectral estimation.
再将有源滤波器接入点后的线上电流的谐波分量反馈回来，作为调节器的输入，调整前馈控制的误差。
APF then access points al0ng the harmonic current feedback, as a regulator input, adjusted feedforward control error.
基于对称分量法，对电能表中性点虚接后的电压互感器二次压降进行了分析，得出了正确接线前后的计量误差变化量。
The on-site test results indicate that energy meter's neutral point virtual connection has a great effect on PT secondary voltage drop.
再将有源滤波器接入点后的线上电流的谐波分量反馈回来，作为调节器的输入，调整前馈控制的误差。
Active Filter access point and then after the line current harmonics back to the company as the regulator's input, adjusting the feedforward control error.
由于传统傅氏算法无法滤除衰减直流分量，从而导致计算结果出现误差。对如?。
With the simulation result, the paper compares and evaluates the filtering capability of these improved algorithms.
但是，当存在与期望信号具有相同循环频率分量的恶劣干扰以及循环频率存在误差时，传统循环平稳自适应波束形成算法的性能将急剧下降。
The benefit of beamforming by exploiting cyclostationarity is the ability to extract SOIs from interference and noise with only a knowledge of cycle frequency.
但是，当存在与期望信号具有相同循环频率分量的恶劣干扰以及循环频率存在误差时，传统循环平稳自适应波束形成算法的性能将急剧下降。
The benefit of beamforming by exploiting cyclostationarity is the ability to extract SOIs from interference and noise with only a knowledge of cycle frequency.
应用推荐