快速傅里叶变换
现场可编程门阵列
计算机科学
MATLAB语言
信号处理
计算机硬件
宽带
过程(计算)
功率(物理)
信号(编程语言)
嵌入式系统
并行计算
电子工程
数字信号处理
算法
工程类
电信
物理
量子力学
程序设计语言
操作系统
作者
Shijie Rong,H. Li,Qian Xiang,Hongbo Yin,ZhiPeng Qian
摘要
To process broadband signals and analyze their power spectrum, it is necessary to consider the parallelization, accuracy and system complexity of processing. In this paper, a wideband signal power spectrum analysis method based on Fast Fourier Transform (FFT) is proposed and implemented on the platform of Field Programmable Gate Array (FPGA). This method realizes the FFT of high-speed serial signals by parallel computing, so it can realize the power spectrum analysis function of signals when the sampling rate is much higher than the processing rate. At the same time, according to the processing characteristics of FPGA IPCore, two real FFT operations are realized by one complex FFT operation, so as to minimize the resource utilization. This paper completes the simulation analysis on Matlab, and implements it on the hardware platform of EV12AQ600 ADC and Xilinx xc7vx690tffg1927-2, and finally presents the consistent results of the two.
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