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Dual-polarization detection and receiving equipment

A dual-polarization and equipment technology, applied in the field of electronic reconnaissance, can solve problems such as the inability to extract radar polarization information, and achieve the effects of self-calibration of amplitude and phase, improvement of performance, and elimination of errors

Pending Publication Date: 2021-04-02
NANJING CHANGFENG AEROSPACE ELECTRONICS SCI & TECH
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  • Application Information

AI Technical Summary

Problems solved by technology

At this stage, in order to enhance the ability to acquire target information, polarized radars are used more and more widely, while conventional reconnaissance equipment cannot extract radar polarized information

Method used

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  • Dual-polarization detection and receiving equipment
  • Dual-polarization detection and receiving equipment
  • Dual-polarization detection and receiving equipment

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0021] A dual-polarization detecting and receiving device, including a microwave frequency conversion unit, which is used to down-convert the received dual-polarized signal in a set frequency range, and output a dual-polarized intermediate frequency signal; an intermediate frequency acquisition and measurement module is used to convert microwave frequency The dual-polarization intermediate frequency signal output by the unit performs AD acquisition and characteristic parameter measurement, and outputs a dual-polarization digital sequence; the signal storage module is used to store the dual-polarization digital sequence collected by the intermediate frequency acquisition and measurement module.

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Abstract

The invention discloses dual-polarization detection and receiving equipment in the technical field of electronic reconnaissance. Radar polarization information can be accurately extracted. The equipment comprises: a microwave frequency conversion unit, which is used for carrying out down-conversion on a received dual-polarization signal with a set frequency interval and outputting a dual-polarization intermediate frequency signal; an intermediate frequency acquisition and measurement module, which is used for performing AD acquisition and characteristic parameter measurement on the dual-polarization intermediate frequency signal output by the microwave frequency conversion unit and outputting a dual-polarization digital sequence; and a signal storage module, which is used for storing a dual-polarized digital sequence acquired by the intermediate frequency acquisition and measurement module. Through coordination and cooperation among the microwave frequency conversion unit, the intermediate frequency acquisition and measurement module and the signal storage module, radar polarization information can be accurately extracted and can be used for detecting and receiving polarization radar signals, and a detection and receiving result can be used for formulating a novel interference strategy and improving the performance of interference equipment so as to occupy a favorable positionin the electronic warfare process. And meanwhile, the problem that no high-applicability detection and receiving equipment exists in an infield simulation test environment can be solved.

Description

technical field [0001] The invention belongs to the technical field of electronic reconnaissance, and in particular relates to a dual-polarization reconnaissance device. Background technique [0002] The war in the 21st century has evolved from confrontation with conventional weapons to a high-tech comprehensive war with information warfare at its core. Electronic warfare is an important means and form of offense and defense in information warfare. It has developed into a fifth-dimensional battlefield after land, sea, air, and space. Its importance has been widely recognized by the military of various countries. As the core element of modern warfare, it can be said that without electromagnetic control, there can be no control of the sky, air, sea, and land. The electronic warfare capabilities of the two warring parties will largely affect the outcome of the war. Electronic warfare mainly includes electronic countermeasures and electronic countermeasures. Electronic counter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/36
CPCG01S7/36
Inventor 吴华鹏张丙伟吴垒
Owner NANJING CHANGFENG AEROSPACE ELECTRONICS SCI & TECH