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FFt
- 对连续的单一频率离散序列 ，即k=8。 按采样频率 采样，截取长度N分别选N =20和N =16，观察其DFT结果的幅度谱。 -Discrete to continuous sequence of single frequency, ie k = 8. According to the sampling frequency sampling, truncation length N = 20 N, respectively, and selected N = 16, observed the
fft
- 关于数字通信中DFT和FFT的仿真程序，真正有用-On DFT and FFT digital communication simulation program, really useful
DFT-FFT-code
- 《数字信号处理基础及试验》--王树勋主编 DFT/FFT源代码-" Digital Signal Processing and Test" - Shu-Xun Wang editor of DFT/FFT source code
radix2
- fft The radix-2 algorithms are the simplest FFT algorithms. The decimation-in-time (DIT) radix-2 FFT recursively partitions a DFT into two half-length DFTs of the even-indexed and odd-indexed time samples. The outputs of these shorter FFTs ar
fft
- what is the DFT? The DFT is extremely important in the area of frequency (spectrum) analysis because it takes a discrete signal in the time domain and transforms that signal into its discrete frequency domain representation. Without a discrete-ti
dsp__FFT-DFT
- 邹彦《DSP原理与应用》，配套 的汇编语言的源程序。基本的加减法，乘法，FFT变换，FIR滤波器，IIR滤波器，定时器等 -Zou Yan " DSP theory and applications" , supporting the assembly language of the source. Basic addition and subtraction, multiplication, FFT transforms, FIR filters, IIR filters, t
DFT
- 简化的FFT(一个周期采样64个点)简单易懂-Simplified FFT (64 samples a cycle points) easy to understand
DFT
- 是用matlab写的一个小巧的DFT程序，不同于FFT程序，希望对大家有所帮助,而且有对信号处理的实例，雷克子波-This is a cabinet with matlab write the DFT program, unlike FFT program, hope to help
aaaa
- 这是一个关于matlab对于基本图像处理的程序，里面有关于FFT,DFT的基本变换，-Here is a matlab program for basic image processing, which has about FFT, DFT the basic transformation
CH2
- matlab FFT DFT 程序 很不错 分享一下 -matlab FFT DFT program is very good to share
Ex4_3
- 傅里叶变换是一种将信号从时域变换到频域的变换形式，是信号处理的重要分析工具。离散傅里叶变换（DFT）是傅里叶变换在离散系统中的表示形式。但是DFT的计算量非常大， FFT就是DFT的一种快速算法, FFT将DFT的N2 步运算减少至 ( N/2 )log2N步。-Fourier transform is a signal from the time domain to frequency domain transformation form, is an important signal pr
digital-signal-processing-with-C
- 一本从C语言的角度讲述数字信号处理编程的书籍，对于数字信号处理中诸如DFT，FFT变换等非常重要的部分都有详细介绍，并附有C代码。-A perspective from the C language programming about books digital signal processing for digital signal processing such as DFT, FFT transform has a very important part of the details, a
FIRIIR
- 本文档里含有诸多c++文件，其功能实现有FIR滤波，IIR滤波，，还有正弦曲线，还实现了128点FFT，DFT-This document contains a lot of c++ file, its function to achieve a FIR filter, IIR filtering, as well as the sine curve, but also to achieve a 128-point FFT, DFT
DFT-spectrum-analysis-FFT-algorithm
- 1.掌握DFT频谱分析的原理与编程方法。 2.理解FFT算法的编程思想。-1 to master the principles DFT spectrum analysis and programming. 2 FFT algorithm to understand the programming ideas.
DFT(FFT)
- 对FFT的一些深刻理解，有助于初学者的学习和应用。- To FFT some profound understanding, is helpful to beginner s study and the application.
OFDM-LSandDFT-channel-estimation
- OFDM系统中载波，调制，IFFT，LS、DFT信道估计，FFT，解调-OFDM systems carrier, modulation, IFFT, LS, DFT channel estimation, FFT, demodulation
comparison-between-dft-and-fft
- 信号分析与处理中，fft与dft运算效率的比较-Signal analysis and processing, fft and dft operations more efficient
DFT
- 数字图像处理，灰度化、邻域平均、中值滤波、傅里叶变换、轮廓提取-Digital image processing, gray, neighborhood average, median filtering, FFT, contour extraction
dft-and-fft-time
- Matlab code for identify FFT and DFT differences of working times. -Matlab code for identify FFT and DFT differences of working times.
Lab0503-FFT
- 用dsp实现快速傅立叶变换(FFT)算法，FFT 并不是一种新的变换，它是离散傅立叶变换（DFT）的一种快速算法。由于我们在计 算DFT 时一次复数乘法需用四次实数乘法和二次实数加法；一次复数加法则需二次实数加法。每运算一个X（k）需要4N 次复数乘法及2N+2（N-1）=2（2N-1）次实数加法。所以整个DFT运算总共需要4N^2 次实数乘法和N*2(2N-1)=2N(2N-1)次实数加法- Dsp to achieve the fast Fourier transform (FFT)