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Method and device for detecting living body in vehicle based on millimeter wave radar

A millimeter-wave radar and detection vehicle technology, which is applied in measuring devices, sensing radiation of moving objects, radiation pyrometry, etc., to achieve the effects of improving accuracy, increasing resolution, and reducing false positives and negative negatives

Inactive Publication Date: 2021-08-13
NANJING CHUHANG TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The present invention aims to provide a method for detecting living bodies in vehicles based on millimeter-wave radar to overcome the above problems or at least partially solve the above problems, so as to solve the problem that existing automobiles are inconvenient to detect living bodies in vehicles

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  • Method and device for detecting living body in vehicle based on millimeter wave radar
  • Method and device for detecting living body in vehicle based on millimeter wave radar
  • Method and device for detecting living body in vehicle based on millimeter wave radar

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Embodiment Construction

[0043] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0044] see Figure 1-5 and Figure 7-9 , a method for detecting a living body in a vehicle based on a millimeter-wave radar provided in an embodiment of the present invention includes the following steps:

[0045] Objects in the car are detected by the sensing module 2 on the millimeter-wave radar 1, and IQ complex signal mediation is used to minimize false positives and false negatives, and quickly identify sleeping babies;

[0...

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Abstract

The invention provides a method and device for detecting a living body in a vehicle based on a millimeter wave radar. The method comprises the steps of detecting an object in the vehicle through a sensing module on the millimeter wave radar, employing an IQ complex signal for demodulation, reducing the false alarm and missing alarm to the greatest extent, and rapidly recognizing a sleeping baby; tracking the object according to the detection information of the to-be-detected object, filtering out clutters such as mechanical vibration effectively, and distinguishing a living body and a non-living body effectively; if the object is a living body, using a microcontroller module on the millimeter wave radar for controlling a vehicle body alarm assembly to give an alarm, and sending remote alarm information to a mobile phone of a driver through a 5G communication module. Whether a living body exists or not is judged by detecting micro displacement and sign information, and the specific position of the living body is determined through DOA frequency spectrum estimation.

Description

technical field [0001] The present invention relates to the technical field of millimeter wave radar, in particular to a method and device for detecting living bodies in vehicles based on millimeter wave radar. Background technique [0002] Millimeter wave radar uses millimeter wave, usually millimeter wave refers to the 30-300GHz frequency domain (wavelength 1-10mm). The wavelength of the millimeter wave is between the centimeter wave and the light wave, so the millimeter wave has the advantages of microwave guidance and photoelectric guidance. Compared with the centimeter wave seeker, the millimeter wave seeker has the characteristics of small size, light weight and high spatial resolution. Compared with optical seekers such as infrared, laser, and television, the millimeter wave seeker has a strong ability to penetrate fog, smoke, and dust, and has the characteristics of all-weather (except heavy rain) all-day. In addition, the anti-interference and anti-stealth capabil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/88G01S13/06G01J5/00G08B7/06G08B21/02G08B25/08G08C17/02H04B7/0413H04N5/232H04N7/18
CPCG01S13/886G01S13/06G01J5/0025G08B21/02G08B25/08G08B7/06H04N7/183H04B7/0413G08C17/02H04N23/66
Inventor 骆雅张我弓李智攀
Owner NANJING CHUHANG TECH CO LTD
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