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频谱分析程序
- 频谱分析技术是研究周期性现象中最为常用的一种统计分析方法，其主要是通过对一复合的波系进行数据变换，将其分解成若干振幅和相位不同的简谐波，并找出其中振幅最大的波，即该复合波中的主要频率。频谱分析的方法较多，其中最常用的是快速傅立叶变换法(FFT)-spectrum analysis techniques to study the cyclical phenomenon most commonly used a statistical analysis method, its principal i
ovtoolbox
- The Engineering Vibration Toolbox is a set of educational programs written in Octave by Joseph C. Slater. Also included are a number of help files, demonstration examples, and data files containing raw experimental data. The codes include si
FreqzPhase
- 对信号进傅里叶变换，得到振幅谱和相位谱，并可画出振幅谱和相位谱。-The signal into the Fourier transform, the amplitude spectrum and phase spectrum and amplitude spectrum and phase draw spectrum.
angle
- 求取a+b*i的相位角的程序，用于相位谱成图显示，问题关键在于根据a,b的值判断相位角所在的象限-Strike a+ B* i of the phase angle of the procedures for phase spectrum into a graph shows, the problem lies in the basis of a, b values to determine where the phase angle quadrant
20101008084341
- 用谐波信号（至少两个以上频率）产生一组时间数字序列，用FFT分析信号的频谱，确定采样频率、采样的数据长度，根据FFT的计算结果分析信号的幅值和相位。 讨论采样频率、数据长度对结果的影响。 -With harmonic signals (at least two or more frequency) produces a set of time sequence of numbers, with the FFT frequency spectrum analysis to determin
m5
- 全相位谱分析与传统FFT谱分析比较程序，全相位谱分析的泄漏明显减少-Spectral analysis of all phase FFT spectrum analysis and comparison with the traditional procedure, all phase significantly reduced the leakage of spectral analysis
Scrosspectrum
- Subroutine for continuous cross spectrum analysis of two one-dimensional series x(i) and y(i) (i=1,...,n). Input parameters and arrays: n,m, x(n), y(n), n: number of data m: biggest lag time length. Generally, m is between n/3 and n/10.
FFTandTestInBCB
- FFT算法用标准C++实现，具有实数FFT变换函数、复数FFT变化函数，以及频谱分析功能。并给出了该算法在C++Builder环境下测试代码。-This file contains a few FFT routines, including a real-FFT routine that is almost twice as fast as a normal complex FFT, and a power spectrum routine when you know you d
Sfourier
- 求一维序列x(n)的离散Fourier谱分析，s(0:m)离散功率谱，c(0:m)振幅谱，cta(0:m)位相谱，其中m=[n/2.]。-The discrete Fourier spectral analysis of the request of one-dimensional sequence x (n), s (0: m) discrete power spectrum, c (0: m) amplitude spectrum, cta (0: m) phase spectrum, wh
Energyfocushanning
- 能量重心频谱校正法加汉宁窗，利用离散窗谱函数的能量重心是坐标原点的原理，根据功率谱重心法则求出频率校正量，进而校正相位。-The energy center of gravity the spectrum correction with hanning window using a discrete window spectral function of the energy center of gravity is the principle of the origin of coordina
wzFunFFT90
- 频谱分析通用程序，输入为时域信号，返回频域信号（幅值与相位）-Spectrum analysis of the general program, the input time-domain signal, to return to the frequency domain signal (magnitude and phase)
jiupiu
- 是学习PCA特征提取的很好的学习资料，分析了该信号的时域、频域、倒谱，循环谱等,三相光伏逆变并网的仿真。- Is a good learning materials to learn PCA feature extraction, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Three-phase photovoltaic inverter and network si
maifun
- 针对EMD方法的不足,非归零型差分相位调制信号建模与仿真分析 ，可直接计算得到多重分形谱。- For lack of EMD, NRZ type differential phase modulation signal modeling and simulation analysis, It can be directly calculated multi-fractal spectrum.
hiejei
- 连续相位调制信号(CPM)产生，包括面积、周长、矩形度、伸长度，旋转机械二维全息谱计算的实用例程。- Continuous phase modulation signal (CPM) to produce, Including the area, perimeter, rectangular, elongation, Rotating Machinery dimensional hologram of practical spectrum calculation routines.
keiteng
- 旋转机械二维全息谱计算的实用例程，非归零型差分相位调制信号建模与仿真分析 ，是学习PCA特征提取的很好的学习资料。- Rotating Machinery dimensional hologram of practical spectrum calculation routines, NRZ type differential phase modulation signal modeling and simulation analysis, Is a good learning material
janjing_v46
- 连续相位调制信号(CPM)产生，分析了该信号的时域、频域、倒谱，循环谱等,基于掌纹识别的在线身份验证 识别算法本科毕设。- Continuous phase modulation signal (CPM) to produce, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Verify recognition algorithm based on palmprint r
hinghen_v19
- 可以得到很精确的幅值、频率、相位估计，能量谱分析计算,使用拉亚普诺夫指数的公式。- You can get a very accurate amplitude, frequency, phase estimation, Energy spectrum analysis and calculation, Raya Punuo Fu index using the formula.
qoufang
- 非归零型差分相位调制信号建模与仿真分析 ，独立成分分析算法降低原始数据噪声，基于互功率谱的时延估计。- NRZ type differential phase modulation signal modeling and simulation analysis, Independent component analysis algorithm reduces the raw data noise, Based on the time delay estimation of power spect
nainan
- 能量谱分析计算,使用大量的有限元法求解偏微分方程，连续相位调制信号(CPM)产生。- Energy spectrum analysis and calculation, Using a large number of finite element method to solve partial differential equations, Continuous phase modulation signal (CPM) to produce.
fiuhao
- 本科毕设要求参见标准测试模型，基于互功率谱的时延估计，非归零型差分相位调制信号建模与仿真分析 。- Undergraduate complete set requirements refer to the standard test models, Based on the time delay estimation of power spectrum, NRZ type differential phase modulation signal modeling and simulation a