准确的谐波分析对电力系统稳定具有重要意义。
To analyze harmonic accurately is significant to the stability of power system.
提出了一种谐波分析的新方法——近似同步法。
A novel method-approximately synchronous method (ASM) is proposed for harmonics analysis.
提出了一种改进型正交有限脊波分析的图像去噪算法。
One kind of Modified Orthonormal Finite Ridgelet Transform was brought forward.
电力线信道的驻波分析是国内外文献很少涉及的课题。
The Analysis of the standing waves on DLC channels is not involved in previous literature.
如今脑波分析科技产品相当多见，但鲜有如此可爱的设计。
We've seen a fair amount of brainwave-reading tech, but not much as cute as this.
本文列举了此模型在变流器系统动态和谐波分析方面的应用结果。
Some practical results of this model for the dynamic and harmonic analysis of converter system are presented.
利用FFT变换进行谐波分析，非整周期采样会带来较大的误差。
Non integer period Sampling leads to large error in harmonic analysis by FFT.
这些改进能够进一步降低泄漏和噪声干扰，提高谐波分析的准确性。
By these methods, the disturbance of the frequency leakage and the noise can be reduced and the accuracy of the harmonic analysis can be improved.
本文主要基于月度数据使用滤波分析方法分析省际CPI的同步性。
The paper analyzes the synchronization of CPI changes based on monthly CPI data with wavelet filtering approach.
利用谐波分析子模块对畸变信号进行分析，较直观地得出基波和谐波情况。
Fundamental wave and harmonic condition can be found clearly by analyzing the distortion signal using the sub-module of harmonic analysis.
应用所设计的数字滤波器对由多个简谐波合成的复杂信号进行了滤波分析。
A complex signal comprising several simple harmonic components is analyzed to check the performance of this Digital Filter software.
小波分析处理车辆振动响应信号，可有效降噪，通过路面反映谱分析路面不平度。
Vibration response signals of vehicle are processed with wavelet analysis to reduce noise efficiently, and road surface roughness is analyzed by road response spectrum.
针对数控机床机械系统的非线性和振动信号的非平稳特性，引入局域波分析方法。
Then, Local Wave method is introduced in consideration of the non-stationarity characteristic of the vibrating signals from NC machines.
目前已经存在很多的电网谐波分析系统方案，但其中多数是以单个微处理器为核心的。
There have already been many harmonic analysis system solutions for power network, but most of them are based on a single microprocessor.
采样不同步产生的同步误差是造成频谱泄漏和影响谐波分析准确性、检测精度的重要原因。
Spectral leakage caused by synchronous error in no-synchronous sampling is an important reason, which reduces the accuracy of spectral analysis and harmonic measurement.
并简要介绍小波分析及广义函数的一些基本原理与相关知识，以此作为本课题研究的必备基础。
Furthermore, in order to make a necessary foundation for further research, the relevant knowledge about wavelet analysis and generalized functions is introduced briefly.
通过实测数据并用谐波分析的方法对两项误差进行补偿与调整，提高了感应同步器的测角精度。
By applying the harmonic analysis method to adjusting and compensating, the practical test data is acquired, and the inductosyn Angle measuring accuracy is, raised.
由于电力信号基波频率的测量直接影响到谐波分析的精度，提高基波频率的测量精度非常必要。
It is necessary to improve the measuring precision of electric signal's base frequency, which directly influences the precision of its harmonic analysis.
系统包括预处理、小波分析、频谱分析、正演、反演、输入、输出、图形显示、帮助等九个模块。
The system includes the following nine modules: pretreatment, wavelet analysis, spectral analysis, forward modeling, inversion, input, output, graph display and help.
这不仅为小波变换像空间的讨论提供了理论基础，也为小波分析理论的进一步研究提供了新的途径。
That provides not only the theoretic bases for discussing the image space of wavelet transform, but also a new method to investigate the wavelet analysis theory further.
本文阐述了利用小波分析来检测信号的奇异特征的原理，并对桩基础检测信号的奇异性进行了提取。
This paper illustrates principle of the peculiarity of signal test based on wavelet analysis, and extracts the peculiarity of signal test in pile foundation.
阐明了小波分析的基本原理和步骤，探讨了测井信号小波分析在高分辨率层序地层划分中的适用性。
The definition of wavelet analysis was introduced and the applicability of the logging data wavelet analysis by means of the high resolution sequence stratigraphy stratum was discussed.
小波分析在高压电器放电检测中有很大的优越性，最优小波基的选择是小波分析的应用中的重要问题。
Wavelet analysis is very preponderant in acoustic emission detection of discharge in high voltage equipment. In its application, selection of best basis is important.
因而，新窗函数谐波分析方法特别适用于分数次谐波分析，且能提高弱谐波信号的分辨能力和准确度。
So it can be applied to fractional-harmonics analysis more preferably and therefore improve the resolution capability of weak harmonic component and accuracy of harmonic analysis.
文章给出了基于小波分析的信号奇异性检测理论，通过对突变信号进行小波分析可以发现结构的损伤情况。
The signal singularity detection theory based on wavelets analysis is given. Through the study of those singularity, the damage situation of the structure may be discovered.
对样机空载电势波形的谐波分析表明，齿谐波电势分量很大，导致空载电势波形的畸变率较大、波形较差。
Harmonic analysis shows that tooth harmonic components of no-load EMF waveform is considerable high, which give rise to high distortion and bad waveform.
和传统的小波分析相比，该方法不仅对地震波低频分量进行精确调整，还可对其高频成分实现类似的调整。
Compared with classic wavelet technique, the proposed method can adjust not only the low frequency components of earthquake wave, but also the high frequency components.
分析了时间序列的概念，在逻辑和应用的基础上，提出了空间序列概念，并将小波分析应用于空间序列概念。
On the basis of analyzing time sequence concept, logic and application, puts forward the space sequence concept, applies the wavelet analysis on space sequence concept.
采用经验模式分解(EMD)与小波分析相结合的方法探讨结构响应数据信号，进行建筑结构损伤检测诊断。
The use of empirical mode decomposition (EMD) method and wavelet analysis in combination is explored for the detection of changes in the structural response data from structural damage diagnosis.
采用经验模式分解(EMD)与小波分析相结合的方法探讨结构响应数据信号，进行建筑结构损伤检测诊断。
The use of empirical mode decomposition (EMD) method and wavelet analysis in combination is explored for the detection of changes in the structural response data from structural damage diagnosis.
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