Compound parabolic receiving antenna design method and compound parabolic receiving antenna

A compound paraboloid and receiving antenna technology, applied in the field of deep ultraviolet optical communication, can solve the problems of large size of standard CPC, difficult to meet the requirements of actual communication, and difficult processing, etc., achieve a large field of view, filter out noise interference, and improve signal quality. The effect of the noise ratio

Inactive Publication Date: 2018-09-21
SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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Problems solved by technology

However, in practical applications, the standard CPC is difficult to meet the requirements of actual communication due to its large size and difficulty in processing.

Method used

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  • Compound parabolic receiving antenna design method and compound parabolic receiving antenna
  • Compound parabolic receiving antenna design method and compound parabolic receiving antenna
  • Compound parabolic receiving antenna design method and compound parabolic receiving antenna

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Embodiment Construction

[0026] The method provided by the present invention and its corresponding compound parabolic receiving antenna will be further explained in detail below in conjunction with the accompanying drawings.

[0027] as attached figure 1 As shown, the design method of a kind of composite parabolic receiving antenna provided by the present invention mainly comprises the following steps:

[0028] 1).Establish the model of flat plate receiving compound parabolic concentrator;

[0029] 2). In order to reduce the volume of the compound parabolic concentrator of the type, based on the model set up in the step 1), the compound parabolic concentrator of the type is intercepted to determine parameters related to the intercept ratio;

[0030] 3). Determine the path loss of optical signal energy in the process of deep ultraviolet optical communication;

[0031] 4). According to the parameters related to the interception ratio determined in the step 2) and the path loss of the optical signal en...

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Abstract

The invention discloses a compound parabolic receiving antenna design method and a compound parabolic receiving antenna, and is applied to deep ultraviolet communication. According to the design method, the height of the compound parabolic (CPC) can be greatly reduced, the field angle can be increased, the path loss of the deep ultraviolet signal in the transmission process is low and the economyand the practicality of the CPC can be enhanced. The antenna comprises an optimized compound parabolic concentrator and a deep ultraviolet filter. The compound parabolic concentrator has a hollow conical structure, an optical film for increasing reflection is adhered on the inner surface, the bottom part of the concentrator is provided with a through hole, and the deep ultraviolet filter is arranged below the through hole. Meanwhile, the noise interference of other bands can be effectively filtered by using the deep ultraviolet filter so that the signal-to-noise ratio can be effectively enhanced.

Description

technical field [0001] The invention belongs to the field of deep ultraviolet optical communication, and in particular relates to an optimal design method of a compound parabolic receiving antenna applied to deep ultraviolet optical communication. Background technique [0002] Deep ultraviolet optical communication is a new type of communication. The receiving antenna is an important part of the non-line-of-sight deep ultraviolet optical communication system. It can collect weak signals scattered in the atmosphere and filter the signals. [0003] At present, the receiving antenna commonly used at the receiving end of deep ultraviolet optical communication is a Fresnel lens. The field of view of the Fresnel lens is small, which cannot meet the requirements of collecting signals at a large angle. Therefore, a compound paraboloid is used as the receiving antenna. Compound Parabolic Concentrator (CPC) is a non-imaging concentrator designed based on the principle of edge optics...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/00G02B19/00
CPCG02B27/0012G02B19/0095
Inventor 马建设张家魁苏萍吴天峰山涛
Owner SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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