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Feed-forward type satellite television antenna and satellite television receiving system

A satellite TV, feed-forward technology, applied in antennas, electrical components, transmission in the gigahertz frequency band, etc., can solve the problems of high cost and difficult processing of satellite TV antennas, and achieve the effects of easy manufacturing and low cost.

Active Publication Date: 2012-05-30
KUANG CHI INST OF ADVANCED TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a feed-forward satellite TV antenna with simple processing and low manufacturing cost in view of the defects of difficult processing and high cost of existing satellite TV antennas

Method used

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  • Feed-forward type satellite television antenna and satellite television receiving system
  • Feed-forward type satellite television antenna and satellite television receiving system
  • Feed-forward type satellite television antenna and satellite television receiving system

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Embodiment Construction

[0031] like Figure 1 to Figure 5 As shown, according to the present invention, the feed-forward satellite TV antenna includes a metamaterial panel 100 arranged behind the feed source 1, and the metamaterial panel 100 includes a core layer 10 and a reflector 200 arranged on one side surface of the core layer 10, so The core layer 10 includes at least one core layer sheet 11, the core layer sheet layer includes a sheet-shaped substrate 13 and a plurality of artificial microstructures 12 arranged on the substrate 13, the core layer sheet layer 11 according to the refractive index The rate distribution can be divided into a circular area Y located in the middle and a plurality of annular areas distributed around the circular area Y and concentric with the circular area (respectively indicated by H1, H2, H3, H4, H5 in the figure ), the refractive index at the same radius in the circular area Y and the annular area is the same, and in the respective areas of the circular area and t...

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Abstract

The invention discloses a feed-forward type satellite television antenna, which comprises a metamaterial panel. The metamaterial panel consists of a core layer and a reflector, the core layer comprises a core layer slice layer, the core layer slice layer comprises a circular area and a plurality of annular areas distributed on the periphery of the circular area, refractive indexes of positions, with identical radiuses, of the circular area and the annular layers are identical, the refractive index in the area of each of the circular area and the annular areas is gradually reduced along with increase of the radius, the minimum refractive index of the circular area is smaller than the maximum refractive indexes of adjacent annular areas, and within each two adjacent annular areas, the minimum refractive index of the inner-side annular area is smaller than the maximum refractive index of the outer-side annular area. The flaky metamaterial panel of the feed-forward type satellite television antenna replaces a traditional parabolic antenna, and accordingly the feed-forward type satellite television antenna is easy in manufacture and processing and low in cost. In addition, the invention provides a satellite television receiving system comprising the feed-forward type satellite television antenna.

Description

technical field [0001] The invention relates to the communication field, and more specifically, relates to a feed-forward satellite TV antenna and a satellite TV receiving system thereof. Background technique [0002] The traditional satellite TV receiving system is a satellite ground receiving station composed of parabolic antenna, feed source, tuner and satellite receiver. The parabolic dish is responsible for reflecting the satellite signal into the feed and tuner at the focal point. The feed source is a horn set at the focal point of the parabolic antenna to collect satellite signals, also known as a corrugated horn. There are two main functions: one is to collect the electromagnetic wave signal received by the antenna, transform it into a signal voltage, and supply it to the tuner. The second is to perform polarization conversion on the received electromagnetic waves. The high-frequency head LNB (also known as the down-converter) is to down-frequency and amplify the ...

Claims

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Application Information

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IPC IPC(8): H01Q15/00H01Q15/23H01Q19/06H01Q19/10H04N7/20
Inventor 刘若鹏季春霖岳玉涛王今金洪运南
Owner KUANG CHI INST OF ADVANCED TECH
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