An integrated receiving system and method for radar and communication reconnaissance with adjustable gain
A receiving system and radar technology, applied in the transmission system, receiver monitoring, radio wave measurement system, etc., can solve the problems of signal parameter measurement performance degradation, receiver output signal-to-noise ratio decrease, clipping distortion, etc., to improve interception Probabilistic and parametric measurement performance, mitigation of large dynamic range requirements, avoidance of clipping effects
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[0058] Such as figure 1 As shown, a specific implementation case of integrated reception of radar and communication reconnaissance with adaptive and adjustable gain is given, which is implemented in the following steps:
[0059] (1) A radar and communication reconnaissance integrated receiving array with a size of 2.859m×2.859m is formed by 30×30 planar phased array antenna units with a size of 0.0953m×0.0953m;
[0060] (2) In the integrated receiving array, select the antenna unit A in the fifth row and the fifth column 5,5 Constitute the initial receiving array, set the RF switching network control unit, and select A 5,5 The radio frequency output is synthesized on the radio frequency through the radio frequency switching network, and sent to the auxiliary receiving branch by the radio frequency switch;
[0061] (3) Assuming that a radar radiation signal is detected, its peak power is 5MW, the gain of the transmitting antenna is 41.6dB, the detection distance is set to 385...
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