Interleaved OFDM Radar Signals for Simultaneous Polarimetric Measurements

被引：30
作者：
Wang, Zongbo [1 ]
Tigrek, Firat
Krasnov, Oleg [2 ]
Van der Zwan, Fred
Van Genderen, Piet
Yarovoy, Alexander
机构：
[1] Dalian Univ Technol, Dalian 116024, Peoples R China
[2] Delft Univ Technol, IRCTR, NL-2628 CD Delft, Netherlands
来源：
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2012年 / 48卷 / 03期
关键词：
Self phase modulation - Radar measurement - Polarimeters;
D O I：
10.1109/TAES.2012.6237580
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
A novel pair of mutually-orthogonal radar waveforms is proposed for simultaneous polarimetric measurements (SPM). The proposed waveform pair exploits the orthogonality features between different subcarriers within a single orthogonal frequency division multiplexing (OFDM) chip, and is called interleaved OFDM (I-OFDM). With I-OFDM signals the isolation limitation defined by the bandwidth time (BT) product for frequently used waveform pairs like linear frequency modulated (LFM) and phase-code modulated (PCM) signals, can be overcome. The performance features of I-OFDM signals are theoretically analyzed; the application of I-OFDM signals and the corresponding signal processing scheme in SPM are presented. A significant increase of the polarimetric measurements efficiency by utilization of the proposed I-OFDM signals has been verified by experiments using an operational radar system.
引用
收藏
页码：2085 / 2099
页数：15
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