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fftfpga
- 采用按时间抽选的基4原位算法和坐标旋转数字式计算机（CORDIC）算法实现了一个FFT实时谱分析系统。整个设计采用流水线工作方式，保证了系统的速度，避免了瓶劲的出现；整个系统采用FPGA实现，实验表明，该系统既有DSP器件实现的灵活性又有专用FFT芯片实现的高速数据吞吐能力，可以广泛地应用于数字信号处理的各个领域。-time selected by using the in-situ-4 algorithm and coordinate rotation digital computer (CO
FPGAFFT
- FPGA实现FFT的一些论文，介绍了算法的原理和FPGA上实现的步骤-FFT FPGA realization of a number of papers, the principle of the algorithm and the FPGA to achieve the steps
10.1.1.132.3180
- a 2k/4k/8k point based fft is designed for OFDM using cooley tukey algorithm
GPR-suan-fa
- 这是一篇最新的英文翻译，花了很长时间！！！关于探地雷达 的一种新算法 结合了FFT和ＭＵＳＩＣ，称为联合处理法，测量精度大大提高-This is an English translation, took a long time! ! ! A new algorithm for ground-penetrating radar combined with the FFT and MUSIC, known as the Joint processing method, the measurement
1977_chen
- 早期的chen的FFT计算，列出了如何分解dct矩阵以减少运算的复杂度及减少加成法运算次数，广泛运用于现在的DCT运算中-An algorithm for FFT that use matrix decomposing to reduce the complexity
kuaisufuliyebianhuan
- 介绍了快速Fourier变换算法(FFT)的核心思想及其算法描述,并用Matlab程序设计语言实现了FFT算法.最后,举例说明用FFT算法计算复函数f(x)的插值函数-Introduced the fast Fourier transform (FFT) algorithm and its core idea of the algorithm descr iption and using Matlab programming language to implemen
fast-folding
- 本文是快速折叠算法的算法描述，快速折叠算法用于检测隐含在数据中的周期性，在周期性检测上类似于FFT，常用在天文学中对脉冲星的探测。-This article describes the fast folding algorithm is an algorithm, fast folding algorithm for detecting hidden periodicity in the data, periodic testing is similar to the FFT, commonly
proposed_16
- FFT 4 stage radix 2 A fast Fourier transform is an algorithm to compute the discrete Fourier transform and its inverse. A Fourier transform converts time to frequency and vice versa-FFT 4 stage radix 2 A fast Fourier transform is an algorithm to com
Radix-2
- here it gives the 8 point radix 2 fft algorithm
c_FFT
- 文件为C语言编写的FFT算法，在DSPC6000硬件平台上运行过-File for the C language FFT algorithm, running over the hardware platform on DSPC6000
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
DSP_1
- 1) Goertzel algorithm 2) Chirp transform algorithm 3) Verification of signal flow graphs for DIT and DIF FFT algorithm 4) Elapsed CPU time for DFT and FFT computation 5) Alternative IDFT computations
Filter-by-using-DSP-Lib
- stm32 cortex-m4的dsp库，包括各种滤波算法，例如FIR、IIR以及FFT等-dsp library of stm32 with cortex-m4 core which includes varies of algorithm like fir/IIR and fft etc
fffttt
- this file plot fft . in this file two sine wave are plotted then by fft algorithm we plot fft
Design-and-Implementation-of-FPGA
- 设 计与 实 现了 一种 以 F P GA 为核 心 的实 时 频 谱分 析 系 统。 系 统 包含 实时 频 谱 监 测 和 实 时 频 谱仪 2 种 频 谱分 析 模式 。 实 时频 谱 监 测 模 式采 用 F F T 算法 设 计实 现 , 用 于 对信 号 的 实时 监 测 实 时 频 谱 仪 模 式 采 用 D F T 算法 设计 实 现, 用于 信 号的 细致 分 析。 实验 证 明 , 系 统 充 分 利 用 了 F P GA 芯 片 的 资 源, 具 有
150307-Achievable-throughput
- This is a project in communication domain. It uses the greedy and RCA algorithm to improve the throughput. It uses window ofdm technique . In transmitter side i used IFFT and in receiver side FFT is used. It uses single user channel .
2
- 加深对离散信号的DTFT和DFT的及其相互关系的理解。；在理论基础上，加深对快速傅立叶变换的理解，熟悉FFT算法及其程序的编写；熟悉应用FFT对典型信号进行频谱分析的方法。-To deepen DTFT the discrete signal and DFT and its understanding of the relationship. On the basis of theory, deepen the understanding of fast Fourier transform,
MATLAB_FFT
- 电力系统谐波分析的高精度FFT算法及MATLAB仿真-Precision FFT algorithm for power harmonic analysis and simulation of MATLAB
effective_fft
- effective fft algorithm and hardware design for highspeed multimedia communication system
压缩感知
- 本文分别以稀疏基有离散余弦变换基（DCT）和快速傅立叶变换基（FFT）做为稀疏基，高斯随机矩阵、部分哈达玛矩阵为测量矩阵，L1范数、正交匹配追踪算法（OMP）为重建算法进行压缩感知算法实现。(In this paper, DCT and FFT are used as sparse basis, Gauss random matrix and partial Hadamard matrix are used as measurement matrix, L1 norm and OMP are u