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Method and device for realizing target azimuth super-resolution

A target azimuth and super-resolution technology, which is applied to measuring devices, radio wave reflection/re-radiation, climate sustainability, etc., can solve problems such as inaccurate target azimuth angle information, and achieve accurate target azimuth angle information, high accuracy sexual effect

Pending Publication Date: 2022-07-12
四川九洲防控科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology allows for better resolution over longer distances than previously possible due to its ability to process multiple targets simultaneously without compromises or errors caused during previous methods like Fourier transforms. By performing this technique, it becomes easier to determine both the direction from one object (target) towards another), and how far they are away from each other. Overall, these techniques improve image quality while reducing computational complexity.

Problems solved by technology

This patented technical problem addressed in this patents relates to improperly determining parameter values during an analogue waveform process (AW) analysis performed at different times or locations along with noise introduced into the AWD calculation due to imperfections caused by various physical processes involved. These issues lead to incorrect results from conventional methods like Fourier transforms and other techniques commonly employed for analyzing signals collected over longer periods.

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  • Method and device for realizing target azimuth super-resolution
  • Method and device for realizing target azimuth super-resolution
  • Method and device for realizing target azimuth super-resolution

Examples

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Embodiment 1

[0065] According to an embodiment of the present invention, a method for realizing super-resolution of target orientation is provided, such as figure 1 As shown, the method described in the embodiment of the present invention includes:

[0066] Step S101, acquiring target echo data on the distance unit where the target is located;

[0067] In this embodiment, the distance unit where the target is located is first determined by the following methods: receiving the echo signal of the target; performing pulse compression processing on the echo signal to obtain the echo signal after pulse pressure; The echo signal after the pulse pressure is sequentially processed by MTI (moving target indication), MTD (moving target detection) and CFAR (constant false alarm) to obtain the distance unit where the target is located.

[0068] Specifically, the echo signal of the target is the radar echo signal of the target. The radar echo signal of the target is modeled in advance. For a stationa...

Embodiment 2

[0121] Corresponding to the above method embodiments, the present invention also provides a device for realizing super-resolution of target azimuth, such as Figure 8 As shown, the device includes:

[0122] An echo data acquisition unit 201, configured to acquire target echo data on the distance unit where the target is located;

[0123] The reconstruction unit 202 is configured to reconstruct the target echo data to obtain reconstructed echo data; wherein, the reconstructed echo data is sequence data uniformly sampled at a preset sampling frequency ;

[0124] A denoising unit 203, configured to perform denoising processing on the reconstructed echo data to obtain denoised echo data;

[0125] Azimuth angle information acquisition unit 204, configured to input the denoised echo data into a pre-designed deconvolution filter, so that the deconvolution filter outputs the target azimuth angle information on the distance unit .

[0126] In this embodiment, the echo data acquisit...

Embodiment 3

[0158] According to an embodiment of the present invention, a storage medium is also provided, and program codes are stored on the storage medium, and when the program codes are executed by a processor, the realization of the target azimuth superposition according to any one of the foregoing embodiments is realized. method of distinguishing.

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Abstract

The invention provides a method and device for realizing target azimuth super-resolution, a storage medium and electronic equipment, and relates to the technical field of radar signal processing, and the method comprises the steps: obtaining target echo data on a distance unit where a target is located; reconstructing the target echo data to obtain reconstructed echo data; wherein the reconstructed echo data is sequence data which is uniformly sampled at a preset sampling frequency; performing de-noising processing on the reconstructed echo data to obtain de-noised echo data; and inputting the de-noised echo data into a pre-designed deconvolution filter, so that the deconvolution filter outputs target azimuth angle information on the distance unit. According to the technical scheme provided by the invention, more accurate target azimuth angle information can be obtained.

Description

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Claims

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Application Information

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Owner 四川九洲防控科技有限责任公司
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