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基于CORDIC算法的FFT
- 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。-time selected by using the four-situ algorithm and coordinate rotation digital computer (CORDIC) algorithm is one is a real-time FFT spectrum analysis system.
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
verilog fft_64_12
- radix-4,利用cordic算法实现复乘单元
DME1
- fft that uses the cordic alghoritm---1
DME3
- fft that uses the cordic alghoritm---3
DME4
- fft that uses the cordic alghoritm---4
DME5
- fft that uses the cordic alghoritm---5
CORDIC
- 数字控制振荡器(NCO,numerical controlled oscillator)是软件无线电、直接数据频 率合成器(DDS,Direct digital synthesizer)、快速傅立叶变换(FFT,Fast Fourier Transform) 等的重要组成部分,同时也是决定其性能的主要因素之一,随着芯片集成度的提高、在信号 处理、数字通信领域、调制解调、变频调速、制导控制、电力电子等方面得到越来越广泛的 应用。-Digital controlled oscilla
fft
- 基4快速傅里叶变换,涉及cordic算法,可以用来学习-fft
cfft
- 用verilog语言编写的基4FFT,采用CORDIC算法实现的,仿真过,结果很好!-I use verilog language to design a FFT base 4,and use CORDIC arithmetic to achieve this. last , I test it, it looks very good
src
- The source code consist of fft block with integrated on cordic polar to rectangular and rectangular to polar form
CORDIC
- fft twiddle factor multiplier design with cordic processor
TheResearchoftherealtimesignalprocessingofSARbased
- 3.完成系统的FPGA程序开发与调试,主要包括FFT,IFFT,CMUL和转置 存储控制等模块,在此基础上,重点介绍了一种基于DDR SDRAM的行写行读高 效转置存储算法,在采用该算法进行转置存储操作时,读写两端的速度相匹配, 满足流水线操作要求,提高了整个系统的实时性。最后介绍了采用CORDIC算法 实现复图像求模运算的方法,分析了算法的硬件实现结构,并给出了基于FPGA 的实现方法及仿真结果。-he FPGA s development and debugging ar
cFFT
- CFFT is a radix-4 fast Fourier transform (FFT) core with configurable data width and a configurable number of sample points in the FFT. Twiddle factors are implemented using the CORDIC algorithm, causing the gain of the CFFT core to be differen
Digital-Signal-Processing-with-FPGA
- FPGA结合DSP设计,如FIR、IIR滤波器,CORDIC算法,多重采样率信号处理,FFT,有对应的VHDL/Verilog 代码code-FPGA Combines with DSP, FIR 、IIR Digital Filters,CORDIC,FFT,Adaptive Filters,VHDL/Verilog code
8-p-fft
- 基于FPGA和CORDIC算法的8点FFT-8-point FFT based on FPGA and CORDIC
FPGA-based-FFT-processor
- 基于FPGA的FFT处理器的实现,基4,cordic算法,误差分析-The implementation of FPGA-based FFT processor
cordic
- a cordic based fft is designed and implemented in FPGA
fft
- fft AND ifft is designed for OFDM application using CORDIC algorithm and implemented in XILINX FPGA.
pipelined_fft_128_latest.tar
- CFFT是一个数据宽度和点数都可配置的基4 FFT core,由于旋转因子是用CORDIC算法实现的,因此经过FFT后信号的增益和标准的FFT算法不同。但对于OFDM调制、解调等应用并不重要。由于增益是确定的,因此在输出时乘以确定常数即可等价标准的FFT。该FFT core的输入是正序的,输出是按照基4反序的-CFFT is a data width and number can be configured based 4 FFT core, due to the rotation factor