Radar terrain bounce jamming detection using ground clutter tracking
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机译:利用地面杂波跟踪检测雷达地形反弹干扰
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摘要
A radar jamming detection system (100) is suitable for recognizing and distinguishing the presence of jamming and, particularly, terrain bounce jamming. The radar system includes a transmitter (118) and a receiver (112). The receiver (112) receives true radar skin return signals, in addition to ground clutter signals and jamming signals. The true radar skin return signals and ground clutter signals are recognizable in accordance with a predetermined receiver passband. Estimated target location, velocity and frequency data, as provided by a cueing radar (122), are used to set up the receiver passband for the radar detection system. Ground clutter range and angle measurements are used to determine an estimated ground range at the jammer angle, which is then compared with the cue range to determine if the received signals are terrain bounce jamming signals.
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