Sixteen-unit micro-strip array antenna capable of carrying out power equal-division rotating feed

Abstract

The invention discloses a sixteen-unit micro-strip array antenna capable of carrying out power equal-division rotating feed. The sixteen-unit micro-strip array antenna capable of carrying out the power equal-division rotating feed is obtained in a copper coating configuration mode on a substrate, power is equally divided through a center feed network, four antenna array units are distributed, and the four antenna array units are arranged in a double-sequence mode. Due to the fact that the design mode of double-sequence rotation of feed networks is adopted by the sixteen-unit micro-strip array antenna capable of carrying out the power equal-division rotating feed, directivity of the sixteen-unit micro-strip array antenna capable of carrying out the power equal-division rotating feed can be better, the whole sixteen-unit micro-strip array antenna capable of carrying out the power equal-division rotating feed and the antenna array units have the same impedance characteristic and the same circular polarization characteristic or a better impedance characteristic and a better circular polarization characteristic, and the sixteen-unit micro-strip array antenna capable of carrying out the power equal-division rotating feed is more applicable to a satellite communication system.

Description

technical field [0001] The invention relates to a 16-unit microstrip array antenna suitable for a wireless communication system, which is characterized by double sequential rotating feeds with equal power, works in the ka band, and has the characteristics of high gain and circular polarization. Background technique [0002] Currently, the radio spectrum is undoubtedly the most important strategic resource. The Ka band (27GHz~40GHz) is a part of the millimeter wave frequency band, and the millimeter wave wavelength is between microwave and infrared, so its characteristics are also between the two to a certain extent, with frequency bandwidth, short wavelength, and wear The characteristics of strong penetrating power, such as moderate resolution and good smoke and dust penetration, so in some cases it can complete tasks that are difficult for both microwave and infrared. Compared with microwave-band antennas, Ka-band antennas have the following advantages: (1) The beam is nar...

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Problems solved by technology

[0004] Although the Ka-band microstrip antenna array has many advantages, due to its relatively high operating frequency, it is necessary to consider the influence of its surface wave loss, feeder loss and stray radiation, processing tolerance and mutual coupling on the antenna during the design process. There are also characteristics of unreasonable spatial layout for multi-element antenna arrays

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