A radio frequency stealth transmit beamforming method and system based on four-dimensional antenna array
A technology of radio frequency stealth and beam emission, which is applied in the radio wave measurement system, radio wave reflection/re-radiation, utilization of re-radiation, etc., to achieve the effects of easy implementation, improved directionality, and improved detection accuracy
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[0072] The present invention proposes a radio frequency stealth transmission beamforming method and system based on a four-dimensional antenna array, which organically combines pseudo-random and timing orthogonality between different radio frequency switches, and controls the generation conditions of the four-dimensional antenna timing to ensure that the radiation signal In the case of good radio frequency stealth performance, it is easy to realize the orthogonality between the transmitting antennas or the sub-arrays between different radio frequency switches, and the receiving end receives the echo and performs signal processing to obtain the information of multiple targets at the same time. The invention integrates the advantages of MIMO radar and four-dimensional antenna array technology, and can greatly improve the radio frequency stealth performance of the system and the flexibility of beam forming.
[0073] like figure 1 As shown, this embodiment discloses a radio freque...
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