搜索资源列表
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
matlab
- 直接法又称周期图法,它是把随机序列x(n)的N个观测数据视为一能量有限的序列,直接计算x(n)的离散傅立叶变换,得X(k),然后再取其幅值的平方,并除以N,作为序列x(n)真实功率谱的估计。 -The direct method is also called cycle diagram method, it is the random sequence x (n) n observation data as a energy limited sequence, direct calculatio
The-Introduction-Of-OFDM-Spectrum
- 本文介绍了OFDM技术及其功率谱的,并通过仿真研究了OFDM的功率谱密度特点。在同样条件下,增大子载波数目,会使信号带宽增加,带外衰减加快,功率谱密度图形更加接近于矩形。另外,添加循环前缀将使离散峰值谱线的值略微增大。-This article describes the OFDM technology and its power spectrum, and to study the characteristics of the power spectral density of the OFD
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
signal_procesing
- 数字信号处理基于matlab 文件内容 /conv(卷积部分) dupconv 重叠保留法 freqcirconv 频域圆周卷积 freqconv 频域卷积 timecirconv 时域圆周卷积 timeconv 时域卷积 /fft(频域分析部分) d2fft 基2FFT dft DFT最简化程序 dtft DTFT演示 /fir(fir滤波器设计) fir 得到fir滤波器hn getwindow 得到fir滤波器窗函数wn idealfilter 理想滤波器(低通,高通,带通)hdn
signal_procesing2014
- 数字信号处理基于matlab 文件内容 /conv(卷积部分) dupconv 重叠保留法 freqcirconv 频域圆周卷积 freqconv 频域卷积 timecirconv 时域圆周卷积 timeconv 时域卷积 /fft(频域分析部分) d2fft 基2FFT dft DFT最简化程序 dtft DTFT演示 /fir(fir滤波器设计) fir 得到fir滤波器hn getwindow 得到fir滤波器窗函数wn idealfilter 理想滤波器(低通,高通,带通)hdn
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.
yiebiu_v86
- 关于非线性离散系统辨识,旋转机械二维全息谱计算,计算目标和海洋回波的功率谱密度。- Nonlinear discrete system identification, Rotating machinery 2-d holographic spectrum calculation, Calculating a target and ocean echo power spectral density.
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)