Radio frequency radiation control method for frequency-controlled array MIMO radar communication integrated system

A radio frequency radiation and control method technology, applied in the transmission system, radio transmission system, radio wave measurement system, etc., to achieve the effect of improving radio frequency stealth performance and reducing radio frequency radiation power

Pending Publication Date: 2020-11-27
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

However, in the prior art, there is no radio frequency radiation control method for the frequency control array MIMO radar communication integrated system

Method used

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  • Radio frequency radiation control method for frequency-controlled array MIMO radar communication integrated system
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  • Radio frequency radiation control method for frequency-controlled array MIMO radar communication integrated system

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Embodiment Construction

[0049] The structure and working process of the present invention will be further described below in conjunction with the accompanying drawings.

[0050] The present invention considers a frequency-controlled array MIMO radar communication integrated system composed of multiple array elements. By setting the frequency increment value added to the transmitted orthogonal signal on different array elements, the system estimates the parameters of the target while Complete the information transmission with your own communication system; in addition, according to the prior knowledge, obtain the target azimuth and the distance between the target and the integrated frequency control array MIMO radar communication system. Then, the Cramer-Rao lower bound expressions representing the target azimuth parameter estimation performance and the target range parameter estimation performance of the frequency control array MIMO radar communication integration system are respectively constructed. ...

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Abstract

The invention discloses a radio frequency radiation control method for a frequency-controlled array MIMO radar communication integrated system. The method comprises the following steps: determining system composition and target prior knowledge of a frequency-controlled array MIMO radar communication integrated system; constructing cramer-Rao lower bound expressions representing target azimuth parameter estimation performance and target distance parameter estimation performance of the frequency-controlled array MIMO radar communication integrated system respectively; establishing a radio frequency radiation control optimization model of the frequency control array MIMO radar communication integrated system; and solving the radio frequency radiation control optimization model of the frequency control array MIMO radar communication integrated system. According to the method, the radio frequency radiation power of the frequency control array MIMO radar communication integrated system is reduced, and the radio frequency stealth performance of the frequency control array MIMO radar communication integrated system is effectively improved.

Description

technical field [0001] The invention relates to a radar signal processing technology, in particular to a radio frequency radiation control method of a frequency control array multiple-input multiple-output (Multiple-Input Multiple-Output, MIMO) radar communication integration system. Background technique [0002] The frequency control array MIMO radar communication integrated system introduces a small frequency difference between different antenna elements, and the baseband transmission signal of the system satisfies the principle of orthogonality, which has a huge impact on the distance, angle and time dependence of the transmitting antenna pattern. The impact of this has attracted constant attention from universities and research institutions in various countries. [0003] In addition, the interference in the modern electronic environment is becoming increasingly fierce, and the living environment of radar and communication systems is threatened by electronic reconnaissanc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/02G01S7/40H04B7/0413
CPCG01S7/02G01S7/4008H04B7/0413G01S7/4013
Inventor 时晨光丁琳涛王奕杰
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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