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Reconfigurable GPR device

A processor unit, radar data technology, applied in measurement devices, transportation and packaging, instruments, etc., can solve problems such as impossible to change, impossible to process and interpret radar data, cumbersome, etc.

Pending Publication Date: 2022-04-08
PROCEQ SA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, such conventional GPR devices have several disadvantages
First, they are quite large, heavy and cumbersome for routine hand manipulation
Second, it is difficult and often impossible to obtain data around the corners and edges of building structures
Third, it is not possible to change the polarization to acquire data on the same path with H and V polarization
fourth, since information about polarization is not regularly available in the data set, it is not possible to perform precise processing and interpretation of the acquired radar data

Method used

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Examples

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Embodiment Construction

[0028] figure 1 and 2A perspective view of the reconstructed GPR device 1 according to an embodiment of the present invention is shown from the rear side and the front side, respectively. The reconstructed GPR device 1 for obtaining radar data regarding the medium includes a housing 4 surrounding the radar antenna 2 (by a broken line indication) and a processor unit (not shown) connected to an antenna. In the device 1 including the processor unit, the device 1 is autonomous, i.e., the GPR is not, for example, via a cable "dependent" in another external device. The antenna 2 is adapted to transmit and receive the first polarized radar wave (antenna "having" first polarization). The housing 4 includes a top side 5 having a bottom side 6 opposite to the top side 5, and four sidewalls, that is, the front side wall 7, the front side wall 8 opposite the rear side wall 7, and two lateral sides opposite each other. Walls 9 and 9 '. Typically, the housing 4 can alternatively include more ...

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Abstract

A reconfigurable GPR device (1) for acquiring radar data about a medium comprises a radar antenna (2) having a first polarization, a processor unit (3) connected to the antenna (2), and a housing (4) around the antenna (2) and the processor unit (3). Furthermore, the device (1) comprises at least one of a wheel assembly (20) and a direction determination unit (30). If present, the wheel assembly (20) comprises a holder (21), a wheel (22) and a wheel rotation sensor (23). The wheel rotation sensor (23) is connected to the processor unit (3) and the axis (22s) of the wheel (22) pivots relative to the first polarization. If present, a direction determination unit (30) is connected to the processor unit (3) and adapted to determine direction information. The direction information describes an angle between the direction of movement of the device (1) and the first polarization.

Description

Technical field [0001] The present invention relates to a method of reconstructing a GPR device, an autonomous GPR system, and a method for obtaining radar data regarding the medium. Background technique [0002] Probe Radar (GPR) is usually used to imaging media, ie, an image of the internal structure of the medium. In particular, such an image contains information about the positions and properties of the layers, objects, cracks, and / or voids in the medium. The basic principle of GPR is, for example, a radar wave of a frequency between 10 MHz and 10 GHz, which is transmitted and received by at least one radar antenna. The propagation of radar waves is affected by the structure and properties of the media. In particular, the radar wave is reflected at the boundary of the material having different dielectric constants and / or anti-magnetic constants. Thus, GPR is usually applied to non-destructive testing (NDT), such as applications applied to concrete, masonry, brick or wood....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/88G01S13/34G01V3/12G01S7/02
CPCG01S13/885G01S13/34G01V3/12G01V8/005G01S7/027G01S7/024H04W4/40H04W4/80G01S2013/9327G01S2013/932G01S13/931
Inventor S·莱纳T·克诺尔M·盖泽I·沙利科卢M·波斯尔
Owner PROCEQ SA
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