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- 一种应用于多带正交频分复用超宽带的IFFT／FFT处理器，不错哦，推荐大家-A kind used in multi-band orthogonal frequency division multiplexing UWB IFFT/FFT processor, yes Oh, recommended we look at
fft2
- a 4 point fft is designed using a pipelined architecture
fft
- 快速傅里叶变换，绘制幅值谱，直接输入信号离散-Drawing amplitude spectrum
PSD-plot
- Welch功率谱密度是用改进的平均周期图法来求取随机信号的功率谱密度估计值。Welch法采用信号重叠分段、加窗函数和FFT算法等计算一个信号序列的自功率谱估计(PSD如上例中的下半部分的求法)和两个信号序列的互功率谱估计（CSD）。MATLAB信号处理工具箱函数提供了专门的函数PSD和CSD自动实现Welch法估计，而不需要自己编程。-method of power spectral density plot
DIT-radix-2
- decimation in time radix-2 fft document in pdf containing source code in c language
chirpztransformation
- FFT与chirp-z变换的对比,简单分析了chirp-z变换的原理，及程序实现，是一份word文档，里面包含源程序-FFT comparision with Chirp-Z
digital_image_watermarking
- The discrete cosine transform (DC T) represents an image as a sum of sinusoids of varying magnitudes and frequencies. The dct2 function computes the two-dimensional discrete cosine transform (DC T) of an image. The DC T has the property that, f
energy-leakage--dual-tree
- 首先根据高斯白噪声频率充满整个频带的特性，通过双树复小波包变换对高斯白噪声进行分解，利用频带能量泄漏的定量分析方法，验证了双树复小波包变换具有较低的频带能量泄漏特性；其次利用双树复小波包变换逐层分解信号，对每层分解所得分量求其FFT谱的峭度，得到基于双树复小波包变换的谱峭度图，根据图中峭度最大的原则，可以自动准确的选择信号分解最佳层数和最佳分量；最后将基于双树复小波包变换的谱峭度图的故障诊断方法应用于实际工程中，对齿轮故障振动信号进行分析，选择最佳分解层数和分量后利用希尔伯特包络解调，有效准确地
Implementation--of-FFT-transform
- 快速傅里叶变换，说明了原理及实现的全过程-Fast Fu Liye transform, the principle and implementation of the entire process
FWu_PGNET07
- Time and Frequency Synchronization Techniques for OFDM Systems operating in Gaussian and Fading Channels: A Tutorial The aim of this paper is to survey and compare previous methods for Data-aided timing and frequency synchronization of O
0815.fft_example_sp
- FFT example doing by students university-FFT example doing by students university
DSP
- 求出的傅里叶变换。画出其幅频特性和相频特性曲线（提示：用1024点FFT近似） -Seek out the Fourier transform. Draw its amplitude frequency characteristic and phase frequency characteristic curve (hint: use 1024 point FFT approximation)