Canadian HF Over-the-Horizon Radar Experiments Using MIMO Techniques to Control Auroral Clutter

被引：27
|
作者：
Riddolls, Ryan J. [1 ]
Ravan, Maryam [2 ]
Adve, Raviraj S. [2 ]
机构：
[1] Def R&D Canada Ottawa, Radar Syst Sect, Ottawa, ON, Canada
[2] Univ Toronto, Dept Elect & Comp Engn, Toronto, ON, Canada
来源：
2010 IEEE RADAR CONFERENCE | 2010年
关键词：
over-the-horizon radar; auroral clutter; MIMO; SUPERDARN;
D O I：
10.1109/RADAR.2010.5494530
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
High frequency Over-the-Horizon Radar (OTHR) provides an economical means to track noncooperative air targets over large expanses of land and ocean. However, early attempts to run OTHR in Canada in the 1970s were confounded by the presence of intense radar clutter originating in the auroral zone. Recent advances in Multiple-Input Multiple-Output (MIMO) OTHR technology, namely orthogonal waveform transmit arrays and fully sampled receive arrays, provide an opportunity to revisit the possibility of OTHR in Canada. An OTHR testbed has been built in Ottawa, Canada to determine the capabilities of the technology. The testbed consists of a MIMO OTHR with 4 transmit channels and 4 receive channels. Some preliminary data show that MIMO processing is effective in suppressing the clutter. It is then proposed to upgrade the testbed to a larger-scale system.
引用
收藏
页码：718 / 723
页数：6
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