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The target detection problem in multi-static passive radar systems (MS-PRS) is investigated, where multiple transmitters operate at a single frequency and a single multi-antenna radar receiver processes the received signals.
Finally, the ISRJ and true target's echo is all received by the radar receiver along the radar line-of-sight (RLOS).
We show with numerical results that the LPI performance of the radar system can be significantly improved by exploiting the scattered echoes off the target due to cellular communication signals received at the radar receiver.
The wideband waveform when received by the radar receiver from a target possesses discrete, finite number of Gabor dictionary components, which when expressed in the form of (2), presents an ideal candidate for compressive sensing.
Next, if the communication signals scattered off the target are received at the radar receiver and considered as interference, the overall SINR can be written as: text{SINR} triangleq sumlimits_{k=0}^{K-1} frac{x_{k}m_{k}}{x_{k}n_{k} + a_{k} + b_{k}}.
The beamformers at the radar receiver are optimized so that the received signals can be seen as statistically independent signals from multiple reference channels and a surveillance channel.
Similar(19)
This arrangement is employed in most radio, television, and radar receivers.
During World War II Terman directed a staff of more than 850 at the Radio Research Laboratory at Harvard University; this organization was the source of Allied jammers to block enemy radar, tunable receivers to detect radar signals, and aluminum strips ("chaff") to produce spurious reflections on enemy radar receivers.
Dr. Kobrick and Edward Caro, an engineer also with the Jet Propulsion Laboratory, came up with the idea of getting three-dimensional topographical images from the shuttle in a single pass by putting additional radar receivers on a boom extending from the spacecraft.
Less happily, the tail-mounted Monica radar device, adopted in mid-1943 andesigneded to warn bomber crews of attack from the rear, proved to be a magnet for German night fighters equipped with passive radar receivers tuned to home in on Monica transmissions.
The dynamic range of the signal to be processed by some certain kinds of radar receivers is very large.
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