Dual-notch miniaturized ultra-wideband microstrip antenna with electrically adjustable frequency

Abstract

The invention relates to a dual-notch miniaturized ultra-wideband microstrip antenna with electrically adjustable frequency. The dual-notch miniaturized ultra-wideband microstrip antenna comprises a dielectric substrate, a microstrip feeder line and a radiation patch, the micro-strip feeder line and the radiation patch are loaded on the front surface of the dielectric substrate; the radiation patch is provided with an arc-shaped edge, and one end, provided with the arc-shaped edge, of the radiation patch is connected with the microstrip feeder line; the system further comprises a floor. The floor is of a rectangular structure and is loaded at the lower position of the reverse side of the dielectric substrate, the length of the floor in the horizontal direction is equal to that of the dielectric substrate, and the height of the floor in the vertical direction is equal to that of the microstrip feeder line, so that three sides of the floor coincide with three sides of the dielectric substrate; a notch groove is formed in the top edge of the floor, and symmetrical arc-shaped chamfers are arranged at the two ends of the top edge of the floor. The antenna size and cost can be reduced, and the antenna is simple in structure, stable in radiation performance and easy to integrate.

Description

technical field [0001] The present application relates to the technical field of ultra-wideband microstrip antennas, in particular to a miniaturized ultra-wideband microstrip antenna with double-notch waves and electrically adjustable frequency. Background technique [0002] With the development of wireless communication technology, the communication environment is becoming more and more complex. In order to meet various communication needs, the communication system is developing towards the direction of broadband, large capacity and multi-function. The antenna is an important component of the wireless communication system. All electromagnetic waves sent and received must pass through the antenna. It can be said that the quality of the antenna directly affects the overall performance of the wireless communication system. In order to meet the development needs of modern wireless communication technology, ultra-wideband (UWB) communication system has the advantages of high tra...

AI Technical Summary

Problems solved by technology

[0006] 1. Most UWB notch microstrip antennas are large in size and high in cost

[0007] 2. The geometry of most UWB notch microstrip antenna structures is relatively complex, and there is an unstable radiation pattern in the high frequency band, which may affect the performance of the antenna

[0008] To sum up, the existing ultra-wideband microstrip antennas with notch function still have certain limitations in terms of size, structural performance flexibility, and radiation characteristics.

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