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改善动态相位跟踪和不平衡电压检测性能的改进软锁相环算法
- 相位检测是控制系统的基础,软锁相环检测适用于电 压畸变场合,便于数字化实现。分析了软锁相环应用于静止 同步补偿器时面临的若干问题,并提出了2 方面的改进方 案:一是针对超前/滞后环节参数选取困难的问题,将其滤 波功能转移到前置延时信号消除环节中;二是q 轴电压经 PI 调节的输出直接作为相位的误差信号,减少了前向积分 环节。通过仿真实验证明改进后的软锁相环在动态相位跟踪 及不平衡电压检测等方面的性能有显著改善。
phasecorrelation
- 实现图像的相位相关匹配,该算法有一定的优点于其他算法相比。-images related to the phase matching, the algorithm has certain advantages compared to other algorithms.
phasecong
- 本程序应用相位一致性进行边缘检测,较以往应用灰度信息进行边缘检测算法,该算法与光照无关,且抗噪声性能强-phase of the application process consistency edge detection, gray than in the past Application information edge detection algorithm, The algorithm has nothing to do wit
ch8_4_3
- 5相位编组法实现纹理直线边缘的检测程序代码(代码以子函数形式给出) function gradephase(x) -5 Phase-grouping method to achieve linear texture edge detection program code (the code is given in the form of Functions) function gradephase (x)
gradephase
- 传统的相位编组,将梯度分为8个方向,对边缘检测有很好的效果。-Traditional phase grouping, will be divided into eight direction of the gradient of edge detection are very good results.
IMGREG-Matlab
- 基于相位相关性的图相配准,多用于检测,识别等领域,matlab的源代码。-Based on phase correlation matching prospective plans are used for detection, identification and other fields, matlab source code.
xiangweixiangguan
- 利用傅立叶变换和相位相关法来检测图象的区域复制伪造-Use of Fourier transform and phase correlation method to detect forged images of the regional replication
PhasegroupingLaw
- 该程序实现了相位编组法检测,可以将灰度缓慢变化的边缘提取出来-Realize the process of phase formation assay can be gray-scale changes in the edge of the slow extracted
phasecong
- 基于相位叠加的特征点检测方法: 计算一幅图像相位叠加的代码,相位叠加是阐述与对比不变性措施的特点意义。同时它适当得查出所有相位点的特点,不仅测量0到180度的相位角。这个作用也返回特征类型图片。然而注意,它的作用现在只是这里为参考原因。-Based on the feature points superimposed phase detection method: calculation of an image overlay co
xiangweidianpipei
- 基于相位角点检测的特征匹配研究,很好用的。-Corner detection based on phase matching of the characteristics of research, a good use.
9700F
- protel99图 电机相位检测板应用于电机的转速检测和相位检测-Figure protel99 board phase detector used in electric motor speed detection and phase detection
01341113
- 一篇讲通过两幅图像的快速傅里叶变换进行相位相关计算检测图像旋转的英文文章-Stresses two images through a fast Fourier transform calculation of phase correlation to detect image rotation English articles
HLJ
- 黑龙江方案相关文件(7级中继、相位检测、信号强度)-Heilongjiang program related documents [7 relay, phase detection, signal strength]
relax
- 谐波检测的RELAX算法,优于FFT,能够对幅值,频率,相位进行有效估计-an algorithm for estimation of sinusoid parameter
ECGFiltering
- 用于心电信号滤波,峰值检测,相位检测中值检测-For ECG filtering, peak detection, phase detection value Detected
phase_detection
- 相关信号的相位差检测,并用matlab 进行仿真验证-Related to the phase difference signal detection, and to carry out simulation matlab
mydesing
- 自己编写的一个相位检测程序,能识别4路信号的相位差,并能实时显示-goodsource
图像位移检测
- 图像位移检测,图像位移的前后相位变化进行检测(Image displacement detection, image displacement before and after phase change detection)
AD8302幅相检测
- AD8302幅相检测 相位测量方法,阻抗测量(AD8302 amplitude phase detection)
phase
- 检测两个输入信号的相位差。DFT_main函数中模拟了三种曲线,并对比了计算出的相位与理论相位的误差。(Detect the phase difference between two input signals. Three kinds of curves are simulated in DFT main function, and the errors between calculated phase and theoretical