spectrum leakage的意思|示意

Being different from applying the window with better spectrum characteristic to reduce the long-range leakage, a new method, named multi-spectrum-line interpolation correction algorithm MICA.

据此，不同于以往应用性能较好的窗函数来减小长范围泄漏效应的作法，提出一种能同时修正长、短范围泄漏的多谱线插值新算法。

In order to solve the problem of reducing spectrum leakage, a new algorithm based on equal angle-interval sampling principle is proposed according to the cyclic shift character of base phasor.

就减少频谱泄漏问题，根据基相量循环移位性质提出了一种新的等角度间隔采样算法，并证明了该算法的递推特性。

Through discussing the samples of ac signal, the basic method to solve spectrum leakage is pointed out, which is to guarantee the same pace between signal frequency and sampling frequency.

通过对交流电信号采样的讨论，指出解决频谱泄漏的问题的基本方法是保证信号频率与采样频率同步。

First, the reason for spectrum leakage and its influence to DFT used in frequency analysis is introduced.

首先简要分析了频谱泄漏的成因和其对频率分析中dft算法的影响。

Fast Fourier Transform (FFT) is inevitable to cause the spectrum leakage and fence effect because of truncation and discreteness in signal collection.

采用快速傅立叶变换(FFT)进行电力系统谐波分析时，需要对采样信号截断并离散化，从而导致频谱泄漏和栅栏效应。

By the effect analysis of various special processing methods, a set of seismic prediction techniques of malignant leakage such as coherent analysis and frequency spectrum analysis are summarized.

通过多种特殊处理方法效果的分析，总结了一套较为有效的恶性井漏地震预测技术，如相干体分析、频谱分析等。