A UWB Hybrid Antenna for Measurements in Reverberation Chambers

A hybrid antenna and ultra-wideband technology, which is applied to antennas, antenna components, antenna grounding devices, etc., can solve the problems of ultra-wideband antenna test efficiency and insufficient working frequency band, shorten the time required for measurement, improve measurement efficiency, and current evenly distributed effect

Active Publication Date: 2021-03-16
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
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Problems solved by technology

[0004] In order to solve the problem of insufficient test efficiency and working frequency band of the traditional ultra-wideband antenna used for reverberation chamber measurement, the present invention proposes an ultra-wideband hybrid antenna for reverberation chamber measurement

Method used

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  • A UWB Hybrid Antenna for Measurements in Reverberation Chambers
  • A UWB Hybrid Antenna for Measurements in Reverberation Chambers
  • A UWB Hybrid Antenna for Measurements in Reverberation Chambers

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Embodiment Construction

[0026] The present invention will be further explained below in conjunction with the accompanying drawings.

[0027] Such as figure 1 As shown, an ultra-wideband hybrid antenna for reverberation chamber measurement includes: a ground plate 1, a main radiation module 2 and a secondary radiation module 3 arranged above the ground plate 1, and a fixed main radiation module 2 and a secondary radiation module. Dielectric support 7 of radiation module 3 .

[0028] In this example, the ground plate 1, the main radiation module 2 and the secondary radiation module 3 are all cut from a metal copper plate with a thickness of 1mm, and the overall volume is 375×300×302.5mm 3 (length × width × height), where, such as figure 2 As shown, the main radiation module 2 is composed of the first gradient index curve 4, the first parallel line 5 and the irregular circular arc curve 6, with an overall height of 302.5mm and a width of 289.5mm. The equation of the gradient index curve 4 is y= 0.36...

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Abstract

The invention discloses an ultra-wideband hybrid antenna for reverberation chamber measurement, and belongs to the technical field of antennas. The ultra-wideband hybrid antenna comprises a main radiation module, an auxiliary radiation module, a grounding plate and a dielectric support, the main radiation module is vertically fixed above the grounding plate through the dielectric support. The auxiliary radiation module is vertically connected with the grounding plate and is fixed by the dielectric support. According to the invention, the antenna works in dual modes and resonates with the auxiliary radiation module at a low frequency, so that the lowest working frequency point can be moved down in a limited space, the ultra-wideband characteristic with a low reflection coefficient is provided, the measurement efficiency is greatly improved, and convenience is provided for future reverberation chamber measurement.

Description

technical field [0001] The invention relates to an ultra-wideband hybrid antenna used for reverberation chamber measurement, and belongs to the technical field of antennas. Background technique [0002] With the rapid development of science and technology, the society's demand for electronic equipment is increasing, and the electromagnetic interference in space is also increasing. In order to reduce the impact of electromagnetic interference, the electromagnetic compatibility performance test of the equipment is carried out before use. Compared with test sites such as open test sites, full-wave anechoic chambers, and GTEM (Gigahertz Transverse Electromagnetic Wave) chambers, reverberation chambers have significant cost advantages. As an important part of the reverberation room, the antenna plays an irreplaceable role in it. In most cases, the antenna used in the reverberation chamber is the type originally designed for other test environments or other applications. For exa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/12H01Q1/22H01Q1/36H01Q1/48H01Q1/50H01Q5/10H01Q5/307H01Q5/50
CPCH01Q1/12H01Q1/225H01Q1/36H01Q1/48H01Q1/50H01Q5/10H01Q5/307H01Q5/50
Inventor 徐千严丹丹邢蕾
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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