A Scheme of High-Speed Real-time DFT Operation for Radar Signal Processing

Su Yan-guang; Shi Xing-rong

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A Scheme of High-Speed Real-time DFT Operation for Radar Signal Processing

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- A Scheme of High-Speed Real-time DFT Operation for Radar Signal Processing
- Acta Electronica Sinica Issue 1, Pages: 113-115(1984)
- 作者机构：
  
  中国科学技术大学
- 作者简介：
- 基金信息：
- DOI：
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- Published：1984
- 稿件说明：
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[1]粟严光,史杏荣.一种适于雷达信号处理的高速实时DFT运算方案[J].电子学报,1984(01):113-115.

Su Yan-guang, Shi Xing-rong. A Scheme of High-Speed Real-time DFT Operation for Radar Signal Processing[J]. Acta Electronica Sinica, 1984, (1): 113-115.
[1]粟严光,史杏荣.一种适于雷达信号处理的高速实时DFT运算方案[J].电子学报,1984(01):113-115. DOI：

Su Yan-guang, Shi Xing-rong. A Scheme of High-Speed Real-time DFT Operation for Radar Signal Processing[J]. Acta Electronica Sinica, 1984, (1): 113-115. DOI：

摘要

本方案适用于8、16和32点DFT的运算。对复数输入信号序列

字长16位

时钟速率10MHz时

每点运算时间约4μs

根据对运算速度及设备量的要求

可选用并行或串并行方案。采用时域加权时

无需多加设备量

也无需另占时间。控制电路十分简便

输入字长越短、运算速度越快。

Abstract

A Scheme of high-speed real-time DFT operation is presented for processing radar signal. It may be used to calculate the 8

16 or 32-point DFT. When 10 MHz clock frequency is used

the operation time per point is about 4μs for the complex signal input sequence of 16 bits in word-length. Under a fixed time-domain weighting adopted

it does not require more equipment or additional operation time. The control circuit is very simple. The shorter the word length of the input sequence

the faster the operation speed.

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