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sscyd.rar
- 二阶数字谐振器的频率特性和滤波器的幅频特性和相位特性和预畸变在双线性变换中的作用,Second-order digital resonator frequency filter characteristics and amplitude-frequency characteristics and phase characteristics and pre-distortion in the bilinear transform the role of
xiangWeiCha
- 是一些 数字相关法的论文 1.FFT法与数字相关法在相位测量上的比较.pdf 2.采用数字相关法测量相位差.pdf 3.基于FFT谱分析算法的高精度相位差测量方法.pdf 4.基于Hilbert变换的相位测量法与数字相关测相法的比较.pdf 5.基于虚拟仪器技术和互相关原理的相位测量仪.pdf 6.数字化相位差测量算法的研究.pdf 7.相位差的数字化测量研究.pdf 8.虚拟仪器测量周期信号相位的仿真设计.pdf-Are some figures
fli
- 使用MATLAB实现傅立叶变换，绘制信号的幅度频谱和相位频谱。付里叶变换的时域微分特性-Fourier transform using MATLAB implementation, rendering the signal amplitude spectrum and phase spectrum. Fourier transform of time domain differential characteristics
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
STFT_serial
- 短时傅利叶转换或短时傅利叶变换(英文：short-time Fourier transform, STFT，又称short-term Fourier transform)是和傅利叶转换相关的一种数学转换关系，用以决定时变讯号其局部段落之弦波成份的频率与相位。 -Short-time Fourier transform or short-term Fourier transform (in English: short-time Fourier transform, STFT, also kn
update1
- 搭建永磁同步电机的直接转矩控制仿真模型 1，实测电流经过3/2变换得到alpha-beta轴上的电流； 2，估计模块中包含定子磁链和电磁转矩的估算，其中，定子磁链观测是采用基于转子位置和定子电流的磁链估计，电磁转矩直接在alpha-beta轴上计算； 3，转速调节模块和转矩调节模块直接采用PI调节器； 4，预期电压矢量估计模块，根据k时刻的磁链幅值与相位和k+1时刻的磁链幅值和相位计算出来的； 5，SVMPWM是空间电压矢量调制模块，实现空间任意角度任意大小的电压矢量，从而控
FT
- 傅里叶空间载波法，通过提取干涉图像的正1级频谱进行傅里叶逆变换然后实现干涉条纹的相位恢复。-phase retrivaling
apFFT
- FFT和apFFT校正程序,通过计算可以得到傅里叶变换的频率校正值、振幅校正值、初相位校正值-FFT and apFFT calibration procedures, frequency correction value obtained by calculating the amplitude correction, the initial phase correction
fuliye
- 对二维数字图像用傅里叶变换进行处理，改善图像的质量，观察图像的频谱和相位-Two-dimensional digital image of the Fourier transform processing to improve the quality of the image, the observation image and the phase spectrum
Demo_STFT_1
- 短时傅里叶变换，用以确定时变信号其局部区域正弦波的频率与相位-Short-time Fourier transform, a sine wave signal at its local area while varying the frequency and phase to determine
st1
- S变换 可用于对信号进行频谱分析 提取信号特征 包括幅值 相位 谐波成分等应用广泛 希望对大家的学习有帮助-S transform can be used to extract the signal spectrum analysis features include the magnitude of the phase signal harmonic components and so widely we hope to help learning
simpleHilbert
- 这个程序是计算信号的希尔伯特变换的，求信号瞬时相位，瞬时频率-This program is to calculate the signal of Hilbert transform, the signal instantaneous phase, instantaneous frequency
kanyun
- 抑制载波型差分相位调制，基于小波变换的数字水印算法matlab代码，对于初学matlab的同学会有帮助。- Suppressed carrier type differential phase modulation, Based on wavelet transform digital watermarking algorithm matlab code, Matlab for beginner students will help.
laonui_v17
- 代码里有很完整的注释和解释，非归零型差分相位调制信号建模与仿真分析 ，分数阶傅里叶变换计算方面。- Code, there are very complete notes and explanations NRZ type differential phase modulation signal modeling and simulation analysis, Fractional Fourier transform computing.
fenjang
- 时间序列数据分析中的梅林变换工具，模拟数据分析处理的过程，抑制载波型差分相位调制。- Time series data analysis Mellin transform tool, Analog data analysis processing, Suppressed carrier type differential phase modulation.
jailang
- 通过反复训练模板能有较高的识别率，时间序列数据分析中的梅林变换工具，连续相位调制信号(CPM)产生。- Through repeated training DClFZXSlate have higher recognition rate, Time series data analysis Mellin transform tool, Continuous phase modulation signal (CPM) to produce.
paohan
- 连续相位调制信号(CPM)产生，基于小波变换的数字水印算法matlab代码，迭代自组织数据分析。- Continuous phase modulation signal (CPM) to produce, Based on wavelet transform digital watermarking algorithm matlab code, Iterative self-organizing data analysis.
fan_v10
- 连续相位调制信号(CPM)产生，计算互信息非常有用的一组程序,基于小波变换的数字水印算法matlab代码。- Continuous phase modulation signal (CPM) to produce, Mutual information is useful to calculate a set of procedures, Based on wavelet transform digital watermarking algorithm matlab code.
fft - 副本
- 进行FFT变换。任何连续测量的时序或信号，都可以表示为不同频率的正弦波信号的无限叠加。而根据该原理创立的傅立叶变换算法利用直接测量到的原始信号，以累加方式来计算该信号中不同正弦波信号的频率、振幅和相位。当然这是从数学的角度去看傅立叶变换。(Any continuous time sequence or signal can be expressed as an infinite superposition of sinusoidal signals of different frequencie
apfft
- 全相位FFT变换，适用于对不同频率波形进行频谱分析(All phase FFT transform is suitable for spectrum analysis for different frequency waveforms)