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An elliptical planar dipole antenna for an amphibious ground penetrating radar

A technology of dipole antenna and ground penetrating radar, which is applied in the direction of resonant antenna, antenna grounding switch structure connection, radiation element structure, etc., can solve the problems of antenna miniaturization, ultra-wideband and excellent time-domain performance, etc. Achieve the effects of excellent ultra-wideband, wide operating frequency band, and excellent time-domain performance

Active Publication Date: 2019-01-15
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above-mentioned problems or deficiencies, in order to solve the problem that the existing amphibious ground-penetrating radar antennas cannot have both miniaturization, ultra-wideband and excellent time-domain performance

Method used

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  • An elliptical planar dipole antenna for an amphibious ground penetrating radar
  • An elliptical planar dipole antenna for an amphibious ground penetrating radar
  • An elliptical planar dipole antenna for an amphibious ground penetrating radar

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Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with the accompanying drawings and examples.

[0022] Such as figure 1 As shown, an elliptical planar dipole antenna for amphibious ground penetrating radar, including SMA coaxial connector 1, watertight shell back shell 2, unbalanced-balanced balun 3, FR-4 dielectric substrate 4, transparent The watertight shell front cover 5 with excellent wave performance, the loading resistor 6 used to reduce the operating frequency of the antenna, the oval double-arm antenna piece 7, the V-shaped slot 8, and the feed through hole 9.

[0023] On the copper-clad FR-4 dielectric substrate 4, the elliptical double-arm antenna piece 7 is etched, and the V-shaped slot 8 is carved on the elliptical double-arm antenna piece 7. At the tip of the V-shaped slot 8 Solder the loading resistor 6 at the terminal position, and then assemble the antenna patch consisting of 4, 7, 8, and 6 on the front cover 5 of the watertight c...

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Abstract

The invention relates to the design field of an amphibious ground penetrating radar antenna, in particular to an ultra-wideband elliptical planar dipole antenna. The invention realizes the miniaturization of the elliptical planar dipole antenna, the ultra-wideband and the excellent performance in the time domain by slotting the antenna chip of the elliptical planar dipole antenna and loading a resistor on the slotted slot. At the same time, the watertight shell is used to ensure the watertight characteristics of the antenna, so that the elliptical planar dipole antenna can adapt to the workingrequirements of the amphibious and terrestrial, and realize its miniaturization, wide operating frequency band and excellent performance in time domain. 30 MHz to 50 MHz and 170 MHz to 270 MHz in watand air environments, respectively, and that antenna has excellent time domain performance. The antenna has the advantage that the frequency range of the antenna is 30 MHz to 50 MHz and 170 MHz to 270 MHz in water and air environments, respectively.

Description

technical field [0001] The invention relates to the design field of amphibious ground-penetrating radar antennas, in particular to an ultra-wideband elliptical planar dipole antenna. Background technique [0002] Ground-penetrating radar has the advantages of work efficiency, high detection accuracy and non-destructive detection. It is currently mainly used for the detection of land minerals and underground structures. [0003] my country has a large number of lakes, reservoirs and rivers. The exploration of underwater topography is indispensable for engineering construction. Only by knowing the underwater geography can we design targeted dams and bridges. For underwater cultural relics buried in rivers and lakes , The archaeological excavation of urban ruins is also inseparable from underwater exploration. At present, underwater exploration mainly uses methods such as human diving, magnetotelluric method, and high-density electrical method. These methods have made great con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/38H01Q1/42H01Q1/50H01Q9/04
CPCH01Q1/38H01Q1/42H01Q1/50H01Q9/045
Inventor 赵青张雷军童继生郭佶玙
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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