An Genome Cell Compact Conformal Array Antenna Based on LTCC Technology

Abstract

The invention belongs to the technical field of antennas, and provides a genome unit compact conformal array antenna based on LTCC technology, which is used to overcome the disadvantages of the existing circularly polarized microstrip patch array antenna in consideration of its low profile, circular polarization, high gain and broadband Belt deficiencies. The antenna includes a ground metal layer, a lower dielectric substrate, a lower metal patch antenna, an upper dielectric substrate, and an upper metal patch antenna stacked in sequence from bottom to top, and the lower metal patch antenna is composed of lower metal patch units arranged in an array Composition, the upper layer metal patch antenna is composed of upper layer metal patch sub-arrays corresponding to the lower layer metal patch unit, each upper layer metal patch sub-array and the center of the corresponding lower layer metal patch unit overlap to form a genome unit. The invention can be smaller in size, higher in gain, better in circular polarization performance, wider in frequency bandwidth, and simple in structure and easy to process under the limitation of the same number of array elements.

Description

technical field [0001] The invention belongs to the technical field of antennas, in particular to a novel LTCC genome unit compact conformal array antenna. Background technique [0002] With the vigorous development of modern information technology and the new military revolution, future warfare will develop into a five-dimensional integration of landing, sea, air, space, and electricity. As an electromagnetic wave detection device, radar will play an increasingly important role on the future battlefield. As a part of the radar system to transmit and receive electromagnetic waves, the performance of the array antenna directly affects the accuracy of the radar detection results. Therefore, for the radar system, the design of the array antenna is particularly important. Array antennas have a variety of forms, and microstrip antennas have obvious advantages over other microwave antennas: small size, light weight, low profile, easy to conform to the carrier, easy to control the...

AI Technical Summary

Problems solved by technology

In terms of realizing the circular polarization of the microstrip patch antenna, the methods of multi-feed and patch angle cutting are commonly used at present, but the former increases the complexity of the antenna structure and reduces the gain of the antenna, and the latter is harmful to the patch Higher dimensional accuracy requirements for cut corners

The contradiction between circularly polarized microstrip patch array antenna and its low profile, circular polarization, high gain, and wide frequency band has not been well resolved.

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