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序列的离散傅立叶变换
- 序列的离散付氏变换（根据定义），含绘图程序，可以看到图形结果-sequence of discrete Fourier transform (by definition), including mapping procedures, we can see the results Graphics
EXAMPL_1
- 正弦信号及其傅氏变换和正弦信号及其傅氏变换对应的频谱-sinusoidal signal and its Fourier transform and sinusoidal signal and its corresponding Fourier transform of the spectrum
RE_f_calculate
- 矩形腔体谐振频率计算，含傅氏变换 是初学FDTD的好参考文献！
傅氏变换程序
- 电力系统用分解系统谐波的傅氏变换程序，在谐波分析和电磁暂态分析中应用广泛。-Source code of Fourier transform using in electric system harmonic analysis. Fourier transform are general used in harmonic analysis and transient analysis
FFT
- FFT快速傅氏变换Ｃ＋＋源代码．．．２００６第二版-FFT Fast Fourier Transform C++ source code. . . Second edition, 2006
DSP-protect
- 系统采用一阶差分与全周傅氏算法相结合的 值。通过一阶差分去除信号中的直流分量与低 信号中的高频分量，并将信号转换为相量表示-System uses the first difference Fourier algorithm with the whole week combined value. Removal of the signal by the first difference in the DC component and low signal in the high freq
6595c71c-86b4-4e89-b58b-ef2c821182e3
- 本音频信号分析仪由32位MCU为主控制器，通过AD转换，对音频信号进行采样，把连续信号离散化，然后通过FFT快速傅氏变换运算，在时域和频域对音频信号各个频率分量以及功率等指标进行分析和处理，然后通过高分辨率的LCD对信号的频谱进行显示。该系统能够精确测量的音频信号频率范围为20Hz-10KHz，其幅度范围为5mVpp-5Vpp，分辨力分为20Hz和100Hz两档。测量功率精确度高达1 ,并且能够准确的测量周期信号的周期，是理想的音频信号分析仪的解决方案。-The audio signal ana
FFT
- 信号频谱分析，fft变换，对有详细说明，对初学者理解傅氏变换，信号频谱分析有很大帮助-Signal spectrum analysis, fft transform, there are detailed instructions for beginners to understand the Fourier transform, the signal spectrum analysis helps a lot
fushibianhuan
- 利用MATLAB编写的GUI傅氏变换,输入相应的函数进行傅里叶变换，及其逆变换-GUI using MATLAB prepared Fourier transform, enter the appropriate function Fourier transform and inverse transform
fft
- 并行计算的一个简单的小程序，傅氏变换的简单程序代码。-Parallel computing a simple small program, Fourier transform simple program code.
kun_wg22
- 包含优化类的几个简单示例程序，利用matlab针对图像进行马氏距离计算 ,分数阶傅里叶变换计算方面。- Optimization class contains several simple sample programs, Using matlab to calculate the Mahalanobis distance for the image, Fractional Fourier transform computing.
matlab实现DCt
- 用MATLAB实现DCT水印算法。信号经过DCT后，从空间域变换到频域。是一种正交变换的方法。是图像处理中应用即为广泛的傅氏变换中一种特殊的情况（被展开函数是实偶函数，再离散化，即为离散余弦变换）。 同傅氏变换一样，有正反两种变换。(DCT watermarking algorithm is implemented with MATLAB.)
fft
- 利用傅氏级数展开法，对合成信号进行傅立叶分解,有限区间信号的傅氏级数展开定理(The Fourier series expansion method is used to decompose the synthetic signal by Fu Liye, and the Fourier series expansion theorem of the finite interval signal)
ElectricalDipole
- 时域有限差分法，通过计算大量频点，再做傅氏变换到时间域的一种三维有限差分的求解方法，希望能给大家提供帮助！(Finite-difference time-domain method, by calculating a large number of frequencies, do Fourier transform to the time domain of a three-dimensional finite difference method of solving, hoping to gi