Multi-frequency composite high-power tile-type active phased array antenna

Abstract

The invention discloses a multi-frequency composite high-power tile-type active phased array antenna, which comprises a layer-by-layer wave control power supply layer, a cover layer, a low-frequency power supply transfer layer, a radio frequency layer, a radio frequency transfer layer, and a module cavity and array antenna layers. The wave control power supply layer is used to obtain power, supply power to the lower layer and send digital signals. The low-frequency power supply transfer layer is used to supply power to the lower layer and send digital signals. Each radio frequency sub-layer and radio frequency transfer layer receive through the corresponding high-frequency connectors. The corresponding excitation signal, and preprocess the received excitation signal according to the digital signal; each RF sublayer will introduce the preprocessing result of the excitation signal into the RF transfer layer; the RF transfer layer will also preprocess the excitation signal in this layer The results, as well as the preprocessing results introduced by the radio frequency sub-layers of each layer, are respectively transmitted to the corresponding antenna units arranged on the array antenna layer, and a heat dissipation structure is arranged in the module cavity layer. The invention has the characteristics of multi-frequency, multi-channel, multi-polarization and high integration.

Description

technical field [0001] The invention relates to the field of microwave wireless communication, in particular to a multi-frequency composite high-power tile-type active phased array antenna. Background technique [0002] With the improvement of the performance of the phased array antenna system, the development of high-frequency materials and processes, and the progress of micro-assembly technology, the active phased array antenna front-end technology is gradually developing towards dual-frequency composite, small size, and high integration. At present, the active phased array antenna structure is mainly divided into brick integration and tile integration. The brick integration method is mostly used for high-power active phased array antennas, and the tile integration method is mostly used for low-power active phased array antennas. array antenna. With the increasingly complex wireless communication scenarios, the performance requirements of the active phased array antenna s...

AI Technical Summary

Problems solved by technology

With the increasingly complex wireless communication scenarios, the performance requirements of the active phased array antenna system are becoming more and more stringent. The active phased array antenna has changed from the previous single-frequency working mode to dual-frequency or even multi-frequency working mode. The density requirement has also been greatly improved. At present, the dual-frequency working mode is easier to realize in the brick-type active phased array antenna, but the dual-frequency (or multi-frequency) tile-type active phased array antenna is rarely heard.

Moreover, the existing tile-type active phased array antennas basically work in low-power single-frequency mode, and it is difficult to achieve high-integration high-power dual-frequency (multi-frequency) composite

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