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Suspended ceiling radar ground false alarm suppression method

A radar ground, false alarm technology, applied in the direction of reflection/re-radiation of radio waves, use of re-radiation, measurement devices, etc., can solve problems affecting the detection of targets, affecting the accurate detection and judgment of targets in the vehicle, and achieve real-time performance. Good, improve the accuracy of judgment, and suppress the effect of false alarms

Inactive Publication Date: 2020-03-31
HUNAN NOVASKY ELECTRONICS TECH
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Problems solved by technology

[0003] In the detection process, taking the detection of the compartment as an example, various reflections, scattering and refraction occur when the electromagnetic wave propagates inside the compartment full of goods, resulting in a large amount of multipath interference in the echo signal, which leads to false alarms and further Affect the accurate detection and judgment of the target in the car, thus seriously affecting the detection of the target

Method used

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  • Suspended ceiling radar ground false alarm suppression method
  • Suspended ceiling radar ground false alarm suppression method
  • Suspended ceiling radar ground false alarm suppression method

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Embodiment Construction

[0049] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0050] Such as figure 1 Shown, the ceiling radar ground false alarm suppression method of the present invention, its steps are:

[0051] Step S1: Use the ultra-wideband ceiling radar detection system to detect the area in the compartment, obtain the internal structure characteristic signal of the compartment, and simultaneously obtain the target characteristic signal in the compartment through the ultra-wideband ceiling radar;

[0052] Step S2: Match the obtained target signal in the compartment area with the obtained compartment internal structural features to obtain the target signal after feature matching, so as to filter out false alarms.

[0053] Such as figure 2 As shown, in the specific application example, the present invention hoists the ceiling radar on the roof with a height of about 4m to perform real-time detection in th...

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Abstract

The invention discloses a suspended ceiling radar ground false alarm suppression method, which comprises the steps of S1, detecting an area in a carriage through a suspended ceiling radar detection system to obtain a carriage internal structure characteristic signal, and simultaneously obtaining a carriage internal area target characteristic signal through a suspended ceiling radar; and S2, matching the obtained regional target signal in the carriage with the obtained internal structure characteristics of the carriage to obtain a target signal after characteristic matching, and filtering out false alarms. The method has the advantages that the principle is simple, implementation is easy, false alarm suppression can be achieved, and accuracy is improved, and has the other advantages.

Description

technical field [0001] The invention mainly relates to the field of radar application technology, in particular to a ground false alarm suppression method for ceiling radar. Background technique [0002] Using the penetrability and transmission characteristics of electromagnetic waves, the ceiling radar can detect human targets hidden under the goods through non-metallic media such as clothes and food, and conduct a series of echo signals from targets hidden in the compartment Data processing can detect and track multiple hidden human targets, so as to give an alarm, so it is widely used in security fields such as prisons. [0003] In the detection process, taking the detection of the carriage as an example, due to various reflections, scattering and refraction of electromagnetic waves when propagating inside the carriage full of goods, there is a large amount of multipath interference in the echo signal, which leads to false alarms and further It affects the accurate detec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/88G01S7/41
CPCG01S7/412G01S13/887
Inventor 邓美连唐良勇
Owner HUNAN NOVASKY ELECTRONICS TECH
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