Direct sequence/frequency hopping signal system array antenna adaptive beamforming system
An adaptive beam and array antenna technology, applied in transmission systems, electrical components, etc., can solve the problems of insufficient anti-interference, anti-interception, and anti-receipt capabilities, and achieve improved anti-interference capabilities, strong anti-interference capabilities, and enhanced anti-interference capabilities. the effect of interference
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[0019] refer to figure 1 . In the embodiment described below, an array antenna adaptive beamforming system includes: a frequency hopping transmitter, a jammer, M array element antennas for receiving radio frequency signals, and an electrical connection between the M array element antennas and digital down-conversion The frequency mixer and the A / D converter between the devices are characterized in that: at the direct spread-frequency hopping DS-FH signal sending end, the frequency hopping transmitter adopts the DS-FH hybrid output of the DS-FH hybrid spread spectrum measurement and control system The spread spectrum signal passes through each element channel of the array antenna, mixes the received radio frequency signal through the mixer and the A / D converter, A / D converts it into a digital signal, and the digital signal is captured by a frequency synthesizer frequency hopping carrier The output reference local oscillator signal is mixed to realize the dehopping of the RF DS...
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