基于FPGA高精度信号相位差设计  

FPGA Based High-accuracy Signal Phase Difference Measurement

作　　者：杨雷[1] 汲伟明[2] 

机构地区：[1]上海交通大学电子工程系,上海200240 [2]上海应用技术学院电气与电子工程学院,上海201418

出　　处：《上海应用技术学院学报（自然科学版）》2014年第1期54-57,共4页Journal of Shanghai Institute of Technology: Natural Science

基　　金：上海应用技术学院科技发展基金资助项目(KJ2012-04)

摘　　要：在导航定位、精确制导中,脉冲参数测量是至关重要的信息.针对高精度、实时脉冲参数测量要求,采用现场可编程门阵列(FPGA)对脉冲参数信号相位差进行测量.相比较于离散傅里叶变换(DFT)和全相位快速傅里叶变换(FFT)等方法,可用于多通道处理,可扩展成阵列,具有很强的实时处理能力,系统处理精度高,适用性广.Pulse parameters measurement serves as the indispensable information in the navigation and positioning,precision guidance.According to the requirements of high-accuracy and real-time pulse parameters measurement,and on the basis of field programmable gate array(FPGA),the scheme was designed to measure the signal phase difference of the pulse parameters.Compared with discrete Fourier transform(DFT)and all-phase fast Fourier transformation(FFT),it can be used for multi-channel processing and can be extended into array,and it features strong real-time processing capacity,the system processing high-accuracy,and wide applicability.

关 键 词：现场可编程门阵列 离散傅里叶变换 相位测量 

分 类 号：TM933.312[电气工程—电力电子与电力传动]