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A Microstrip Patch with Arc Corners and Curved Radiating Edges

A microstrip patch and arc angle technology, which is applied in the structural form of the radiating element and the structural connection of the antenna grounding switch, can solve the problems of the height of the antenna section, the size of the antenna, the complexity of design and manufacture, and the decrease of the manufacturing cost and performance. Elimination of discontinuities, broadening of patch antenna bandwidth, effect of broadening bandwidth

Active Publication Date: 2019-05-31
SOUTHEAST UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

All these methods have their own advantages and disadvantages. For example, while widening the operating bandwidth to varying degrees, they more or less reduce the performance of other aspects of the antenna, such as profile height, antenna size, design and manufacturing complexity, and manufacturing cost.

Method used

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  • A Microstrip Patch with Arc Corners and Curved Radiating Edges
  • A Microstrip Patch with Arc Corners and Curved Radiating Edges
  • A Microstrip Patch with Arc Corners and Curved Radiating Edges

Examples

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Embodiment

[0024] image 3 and Figure 4 A side-view structural diagram and a top-view structural diagram of a radiating patch microstrip patch antenna based on a dielectric substrate and a probe-fed single-layer arc angle and curved radiating edge are given. The antenna consists of a microstrip patch 1 with an arc angle and a curved radiation edge located above the dielectric substrate 2, a dielectric substrate 2, a metal ground plane 3 located below the dielectric substrate 2, a metal probe 4 and a coaxial joint 5 . The working frequency of the microstrip patch antenna is 5.66GHz-5.96GHz. The dielectric substrate was Taconic TLY-5 with a relative permittivity of 2.2 and a thickness of 1.52 mm. A microstrip patch 1 with arc corners 13 and curved radiation sides 12 is placed on top of the dielectric substrate. The microstrip patch 1 is connected to the inner conductor 51 of the coaxial joint 5 for feeding through the metallized via hole 6 and the metal probe 4 . Copper is laid on th...

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Abstract

The invention discloses a microstrip patch with arc angles and a bent radiation side. The microstrip patch is a metal sheet with the thickness of delta. The metal sheet is a structure formed by connecting four arc angles to two groups of opposite sides. The radii of the four arc angles are R, the center angles are beta, and each arc angle is tangent to two adjacent sides. At least one group in the two groups of opposite sides is a bent radiation side. According to the microstrip patch with the arc angles and the bent radiation side, the discontinuity of an edge electric field can be improved, the difference of patch current is increased, and thus the microstrip patch has the ability of broadening the working bandwidth of the patch. The microstrip patch of the invention is used as a basic patch structure, the microstrip patch can be used alone, thus a patch antenna has a larger bandwidth, the microstrip patch also can be used with other bandwidth broadening measures, thus the bandwidth is broadened further, the excellent performance of a traditional microstrip patch antenna is maintained, and the microstrip patch has wide universality and flexibility.

Description

technical field [0001] The invention relates to a basic radiation patch with an arc angle and a curved radiation edge shape, which can be used as a basic radiation patch of a microstrip antenna to widen the bandwidth of a traditional right-angle rectangular patch microstrip antenna, and belongs to the technical field of microwave antennas . Background technique [0002] Microstrip antennas have been widely used in communication and radar systems due to their advantages of simple structure, small size, light weight, thin profile, easy manufacture and integration. However, the traditional microstrip antenna composed of rectangular microstrip patches (rectangular patches with right angles and straight sides) has the disadvantage of narrow operating frequency band, usually only a few percent of its operating bandwidth. This severely limits its wide application. Therefore, techniques for widening the bandwidth of microstrip patch antennas have been extensively studied. In rece...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/38H01Q1/50
CPCH01Q1/38H01Q1/50
Inventor 洪伟蒯乐陈继新周后型
Owner SOUTHEAST UNIV
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