Single antenna ultra wide band radar system for imaging applications

An ultra-wideband radar, single-antenna technology, used in radio wave measurement systems, using re-radiation, radio wave reflection/re-radiation, etc. high degree of effect

Active Publication Date: 2022-05-03
SHENZHEN ACAD OF AEROSPACE TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] To this end, the present invention provides a single-antenna ultra-wideband radar system for imaging applications, w

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  • Single antenna ultra wide band radar system for imaging applications

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Embodiment Construction

[0042] In order to make the objects and advantages of the present invention clearer, the present invention will be further described below in conjunction with the examples; it should be understood that the specific examples described here are only for explaining the present invention, and are not intended to limit the present invention.

[0043] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.

[0044] It should be noted that, in the description of the present invention, terms such as "upper", "lower", "left", "right", "inner", "outer" and other indicated directions or positional relationships are based on the terms shown in the accompanying drawings. The direction or positional relationship shown is ...

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Abstract

The invention relates to a single-antenna ultra-wideband radar system for imaging application, and the system comprises a signal transmitting and receiving module which is used for transmitting an electromagnetic wave signal to a to-be-detected region at a preset transmitting angle, receiving a feedback signal reflected by an electromagnetic wave through the to-be-detected region, and recording the time of receiving the feedback signal at each position; the imaging module draws image information of the to-be-detected area according to the time when the feedback signals are received at all the positions, and a pre-drawn image is formed; the extraction module is used for extracting historical data of the to-be-detected area, and the historical data comprises plate movement information of the terrain and crustal movement with the severity of more than three levels in one year of the to-be-detected area; and the correction module is used for correcting the distance information in the image information according to the historical data to form an optimized image. Through the optimization of the pre-drawn image, the optimized image finally displayed by the display module has greater practical guiding significance, and the accuracy of image acquisition is improved.

Description

technical field [0001] The invention relates to the technical field of radar imaging, in particular to a single-antenna ultra-wideband radar system for imaging applications. Background technique [0002] The research on imaging radar technology in the world is relatively early, and it has been applied in systems such as robot automatic navigation and target recognition. In recent years, some enterprises in our country have also begun to conduct research in this area, and have applied it to various fields, especially for fields that require high precision. [0003] The working principle of the imaging radar system is based on scanning the target scene with a light beam, receiving the light radiation reflected by the scene, generating continuous analog signals, and restoring it to a real-time image of the target scene. It is crucial for the restoration of the target scene. [0004] However, when the existing imaging radar system restores the target scene, the image of the ta...

Claims

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Application Information

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IPC IPC(8): G01S13/89
CPCG01S13/89
Inventor 陈健毅
Owner SHENZHEN ACAD OF AEROSPACE TECH
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