Automobile anti-collision radar signal processing method and system

A technology of anti-collision radar and signal processing, which is applied in radio wave measurement system, radio wave reflection/re-radiation, utilization of re-radiation, etc. It can solve the problems of high real-time requirements, shortage of computing resources and memory resources, etc., and achieve good results. Performance, enhanced real-time processing capabilities, and the effects of alleviating memory resource tension

Active Publication Date: 2020-08-11
SICHUAN JIUZHOU ELECTRIC GROUP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high real-time requirements of automotive anti-collision radar, and the shortage of computing resources and memory resources due to volume and cost constraints

Method used

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  • Automobile anti-collision radar signal processing method and system
  • Automobile anti-collision radar signal processing method and system
  • Automobile anti-collision radar signal processing method and system

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Embodiment Construction

[0052] Before any embodiment of the invention is described in detail, it is to be understood that the invention is not limited in application to the details of construction shown in the following description or in the accompanying drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative improvements all belong to the protection scope of the present invention.

[0053] The schematic flow chart of automobile anti-collision radar signal processing method of the present invention is as figure 1 As shown, the specific process is as follows:

[0054] Step 1: Initialize system parameters and get echo data

[0055] The layout of the target scene used in this embodiment is as follows figure 2 As shown in , the radar platform is traveling at a speed of 10m / s, and its distance at azimuth 0 ...

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Abstract

The invention discloses an automobile anti-collision radar signal processing method and system, relates to the technical field of radar signal processing, and solves the defects of an existing methodin automobile anti-collision radar target detection. The method comprises: performing pulse compression on echo data of different channels of the automobile anti-collision radar along the distance direction; conducting doppler processing on echo data of different channels in the azimuth direction; then, while the distance Doppler data of different channels are stored, performing digital beam forming on the distance Doppler data of different channels, completing target detection, and obtaining distance and speed information of a target; and finally, extracting angle measurement vectors from different channel distance Doppler data according to a target detection result, and finally obtaining target angle information. According to the invention, the real-time processing capability of the automobile anti-collision radar can be enhanced, and the problem of memory resource shortage of the existing automobile anti-collision radar can be alleviated.

Description

technical field [0001] The invention relates to the technical field of radar signal processing, in particular to a method and system for processing radar signal of automobile collision avoidance. Background technique [0002] Automobile anti-collision radar can work all day and all day, and has the characteristics of high measurement accuracy, simple structure, and low price, and is suitable for short-distance accurate measurement. In addition, one of the most important technologies in the development of automobiles to advanced assisted driving / automatic driving is the anti-collision radar system that senses the surrounding environment of the vehicle body. Automobile anti-collision radar has broad market prospects. [0003] After the automotive anti-collision radar emits electromagnetic wave signals through the antenna, it receives the reflected echo of the target, and then quickly and accurately obtains the physical environment information around the car body through signal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/931G01S7/41
CPCG01S13/931G01S7/415
Inventor 蒋文叶祥龙李云莉王正伟刘志刚
Owner SICHUAN JIUZHOU ELECTRIC GROUP
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