1) discrete spectrum correction
离散频谱校正
1.
Improved SPIDER signal processing method based on discrete spectrum correction
一种基于离散频谱校正的SPIDER信号处理改进方法
2) spectrum correction
频谱校正
1.
Application of spectrum correction theory in phase measurement for rotate machinery;
频谱校正理论及其在旋转机械相位测量中的应用
2.
Study on the Application of Spectrum Correction in the Run-up and Shutdown Analysis for Rotary Machinery;
频谱校正在旋转机械启停分析中的应用研究
3.
Study of Harmonic Spectrum Correction Precision in Electric Power Network;
电网谐波频谱校正精度研究
3) Correcting spectrum
频谱校正
1.
To estimate sinusoidal signal’s frequency,amplitude and original phase precisely under noisy circum-stances,a novel time-shift phase difference correcting spectrum method based on all-phase FFT spectral analysis was proposed.
为精确估计噪声背景下正弦信号频率、幅值、初始相位,提出了基于全相位FFT谱分析的时移相位差频谱校正法。
2.
And apFFT properties of the phase measurement without correcting spectrum and the restraining spectral leakage are analyzed.
为深入研究全相位FFT(all-phase FFT,apFFT)的相位谱性质以扩大其应用范围,本文从极坐标相位谱图、矢量分析、矩阵分析及其仿真实验等多个角度阐述了apFFT的相位测量机理,较透彻地剖析了apFFT的无需频谱校正的相位测量性质和抑制谱泄漏性能;实验表明,apFFT的测相方差至少比同阶数的FFT测相方差低2/3以上,因而"全相位计"可望在设备故障诊断、电力系统谐波分析、GPS导航定位等领域有着广阔应用。
4) Spectrum Correcting
频谱校正
1.
Random Noise Influence on Spectrum Correcting Methods and Exactly Estimate Small Damping of a Structure;
随机噪声对频谱校正精度的影响和结构小阻尼的精确估计
2.
Spectrum Correcting Technology in Dynamic Signal Analysis and Software System;
动态信号分析中的频谱校正技术及软件系统
6) discrete spectrum
离散频谱
1.
A new method is put forward for automatically identifying and modifying the parameters of the two close frequency components in discrete spectrum based on ICM.
在理论概括比值法原理的基础上 ,提出一种新的自动识别和修正离散频谱中两邻近谱峰参数的方法。
2.
A new method to identify and correct the parameters of intensive frequency components automatically in the discrete spectrum was presented.
提出一种自动识别和校正离散频谱中邻近谱峰参数的方法·该方法不仅保留了比值法计算简单的特点 ,而且既能识别间距不到一个频率分辨率的密集频率成分 ,又能校正峰间距为 1～ 6个频率分辨率的邻近谱峰参数 ,从而与比值法相辅相成 ,形成一套完整的离散频率信号分析方法·数值仿真结果证明了方法的有效性
3.
At present, the single harmonic component and far spaced multi frequency components in discrete spectrum can be identified by using the methods of spectrum correction, and its frequency, phase and amplitude can be corrected automatica.
目前频谱校正理论已经能准确地自动识别出离散频谱中的单频成分和间隔较远的多频率成分 ,并自动校正其频率、幅值和相位 ;对多频成分谱线干涉中的单频成分能自动判定 ,且能用参数识别法对两个密集频谱进行校正 ;对于密集频率成分信号 ,可用频谱细化的方法 ,将发生谱线干涉的各谱峰分离开 ,再进行识别和校正。
补充资料：离散
分散不能团聚（多指亲属）：家人～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条