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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
Sdspectrum
- 具有噪音检验的一维序列x(n)的离散功率谱分析,ol(lw)频率,tl(lw)周期,sl(lw)离散功率谱,st95(lw)红噪音或白噪音谱的95 置信上限,其中lw=[n/2.]。-The discrete power spectral analysis of the one-dimensional sequence x (n) having a noise testing, 95 of the frequency of OL (LW), TL (LW) cycles, SL (LW) di
gonglvpumatlab
- 这是一个求离散时间序列的功率谱的程序,是通过全波傅里叶变换来求的-This is a demand of the power spectrum of the discrete-time sequence program is through the full-wave Fourier transform to seek
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.]。-Discrete Fourier spectrum of one-dimensional series
aaaaa
- 对离散数据进行功率谱分析后,求指定频段的平均功率、能量和占总能量之比-Discrete power spectrum analysis of the data, find the specified frequency band average power, energy, and the ratio of total energy
Lab06-FFT
- 离散傅里叶变换的FFT快速计算算法的实现,并计算功率谱密度-Discrete Fourier Transform FFT algorithm for fast computation
fft
- 通过对离散型数据傅立叶变换,求得函数功率谱,双对数曲线-The power spectrum of discrete data using Fourier transform, double logarithm curve
power-sepectrum-analyz
- 三角函数时域离散采样后,经傅里叶变换后的频域功率谱分析-The power spectrum analysis of trigonometric after Fourier transformation
Sfourier
- 一维离散功率谱分析求一维序列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.]。 -One dimensional power spectrum analysis of one-dimensional sequence of demand x (n) the discrete Fourier spectrum, s (0: m) discrete power spectrum, c (0: m) amplitude spe
hua_fft
- 离散傅里叶变换,包含了变换后的频率普和功率谱。-This is a program based on matlab,which is called FFT.
fengfui
- 计算目标和海洋回波的功率谱密度,关于非线性离散系统辨识,包括广义互相关函数GCC时延估计。- Calculating a target and ocean echo power spectral density, Nonlinear discrete system identification, Including the generalized cross-correlation function GCC time delay estimation.
1160
- 阐述了负荷预测的应用研究,关于非线性离散系统辨识,基于互功率谱的时延估计。- It describes the application of load forecasting, Nonlinear discrete system identification, Based on the time delay estimation of power spectrum.
test1
- 在(?1/2,1/2)内产生一个均匀分布的随机数N=1000 的离散时间序列,计算 (1)该序列的自相关Rx(m)。 (2)用计算Rx(m) 的离散傅里叶变换(DFT)的方式求出序列{ xn }的功率谱密度。画出自相关与功率谱密度曲线。(In (- 1/2 1/2) discrete time series generated in a uniformly distributed random number N=1000, calculation (1) the autocorrela
混沌系统—Matlab程序
- 含混沌系统的相图 分岔图 李雅普若负指数 庞加莱截面 功率谱 连续系统离散化的程序(The procedure of discretization of the continuous system of power spectrum of the phase diagram bifurcation diagram with chaotic system)