Mode-Selective OTHR: A new cost-effective sensor for maritime domain awareness

This paper presents a new sensor concept designed to provide maritime domain awareness over large ocean areas. The Mode-Selective OTHR introduced herein achieves significant detection and tracking capability against maritime vessels relative to traditional OTHR designs because it is designed specifi...

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Bibliographic Details
Published in2010 IEEE Radar Conference pp. 935 - 940
Main Authors Frazer, G J, Meehan, D H, Abramovich, Y I, Johnson, B A
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2010
Subjects
adaptive radar transmitter
Airborne radar
Array signal processing
Australia
E-layer
HF radar
ionosphere
maritime domain awareness
Military aircraft
MIMO radar
Mode-Selective OTHR
Oceans
over-the-horizon radar
Radar detection
Radar tracking
Sea surface
ship detection
Surveillance
Target tracking
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Summary:This paper presents a new sensor concept designed to provide maritime domain awareness over large ocean areas. The Mode-Selective OTHR introduced herein achieves significant detection and tracking capability against maritime vessels relative to traditional OTHR designs because it is designed specifically to reject disturbed ionospheric propagation modes and operate only using low distortion propagation modes. The architecture of the radar is such that this rejection occurs for both the transmitter-to-surveillance-footprint and the footprint return-to-receiver propagation paths. This is achieved using recently discovered techniques for non-causal adaptive and range dependent transmit beamforming and two-dimensional apertures for both transmission and reception. It also includes new methods for using planar transmit arrays operating with extreme steer angle.
ISBN:9781424458110
1424458110
ISSN:1097-5659
2375-5318
DOI:10.1109/RADAR.2010.5494485