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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
1dfdtd
- 研究FDTD模拟一维光子晶体中的光波传输，并利用此方法计算了电磁波在一维光子晶体中的电场和磁场的空间分布以及一维光子晶体的透射谱。-FDTD simulation study of one-dimensional photonic crystal of light transmission, and use this method to calculate the electromagnetic wave in one-dimensional photonic crystal in the el
myWave_Fft
- 自制软件，实现频谱分析。能显示信号与频谱图。主要是对正弦信号和三角波进行一维FFT变换，得到频谱图。-Self-made software, the realization of spectral analysis. Showing the signal and frequency spectrum. Mainly sinusoidal signal and triangular wave transform one-dimensional FFT, the frequency spectrum
www
- 使用维纳分布进行瞬时频率估计用来校正电离层非线性相位污染带来的频带展宽-High-frequency (HF) sky-wave radar signals propagate to and from the target by means of the ionosphere. The difficulty in obtaining very narrow beamwidths at HF, and the long ranges involved, mean that the
oscilloscope_src
- 这是一个简单的应用我建立理解波的Windows音频API的基础知识，并获得一个快速傅立叶变换（FFT变换）的基本掌握。它的功能是：双缓冲绘图，取样的音频源，选择一个录音源使用搅拌机，FFT频谱计算阵列，并策划采样数据。 -This is a simple application I built to understand the basics of the Windows Audio WAVE API, and to get a basic grasp on Fast Fourier Tra
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.
abcd3
- This a test code to show the spectrum of sine wave.-This is a test code to show the spectrum of sine wave.
WAVEMAKE
- 产生模拟波浪 根据ITTC单参数谱编写 -Generating an analog wave spectrum based on the preparation of single-parameter ITTC
fanfiu
- 可直接计算得到多重分形谱,采用的是通用的平面波展开法,STM32制作的MP3的全部资料。- It can be directly calculated multi-fractal spectrum, Using common plane wave expansion method, STM32 all the information produced by the MP3.
kenfei_v70
- 采用的是通用的平面波展开法,旋转机械二维全息谱计算，含噪脉冲信号进行相关检测。- Using common plane wave expansion method, Rotating machinery 2-d holographic spectrum calculation, Noisy pulse correlation detection signal.
keinui_v28
- 旋转机械二维全息谱计算，连续相位调制信号(CPM)产生，采用的是通用的平面波展开法。- Rotating machinery 2-d holographic spectrum calculation, Continuous phase modulation signal (CPM) to produce, Using common plane wave expansion method.
qangyao
- 用平面波展开法计算二维声子晶体带隙,能量谱分析计算,计算晶粒的生长，入门级别程序。- Computation Method D phononic bandgap plane wave, Energy spectrum analysis and calculation, Calculation of growth, entry-level program grain.
nb035
- 用平面波展开法计算二维声子晶体带隙,可直接计算得到多重分形谱,计算互信息非常有用的一组程序。- Computation Method D phononic bandgap plane wave, It can be directly calculated multi-fractal spectrum, Mutual information is useful to calculate a set of procedures.
信号及其频谱计算
- 对方波离散化，并输出其频谱，同时也可以直接输出离散化频谱。(Square wave discretization, and the output of the spectrum, but also can directly output discrete spectrum)
surface_wve_spectrum
- This code used to plot the sea wave spectrum
Matlab程序1111
- 海浪模拟，基于PM谱，根据海浪频率波高等因素(Wave simulation, based on PM spectrum, according to wave frequency wave higher factor)