OFDM WAVEFORMS FOR FREQUENCY AGILITY AND OPPORTUNITIES FOR DOPPLER PROCESSING IN RADAR

被引：0
|
作者：
Lellouch, G. [1 ]
Tran, P. [1 ]
Pribic, R. [1 ]
van Genderen, P. [2 ]
机构：
[1] Thales Surface Radar, Delftechpk 24, NL-2628 XH Delft, Netherlands
[2] Delft Univ Technol, IRCTR, NL-2628 CD Delft, Netherlands
来源：
2008 IEEE RADAR CONFERENCE, VOLS. 1-4 | 2008年
关键词：
OFDM; frequency agility; Doppler;
D O I：
暂无
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
Frequency agility is an important feature when radar operates in jammed environments. With the development of the Orthogonal Frequency Division Multiplexing (OFDM) waveform in the communications, the opportunity for a new generation of digital agile radar rises. Old and expensive multi-channel analog agile front ends could be replaced by simpler and cost effective single channel transceivers where the coherent switches infrequency are done digitally. The novelty of the paper is to investigate an agile OFDM waveform so that Doppler can be solved despite the apparent frequency agility. The OFDM performance is assessed from the radar point of view, using the ambiguity function as a tool. Our approach considers a pulse burst, each pulse being implemented with OFDM chips. Three patterns for frequency agility from pulse-to-pulse are studied. Preliminary suggestions to accomplish coherent processing in an agile context are derived.
引用
收藏
页码：833 / +
页数：2
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