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High interference resistance antenna feeder tester control method

A control method and high anti-interference technology, applied in the field of antenna and feeder lines, can solve the problems of high requirements for digital processors, increase the cost of antenna and feeder lines, and high hardware design requirements, and achieve low device cost, reduce processing difficulty, and improve anti-interference ability Effect

Inactive Publication Date: 2017-05-24
广州山锋测控技术有限公司
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Problems solved by technology

[0004] The disadvantages of the prior art are: the basic antenna-feeder test scheme requires hardware power comparison and phase difference comparators to have a very wide frequency response, and the hardware design requirements for power comparison and phase comparison are high
In the existing solution, if narrowband measurement is to be performed, the requirements for the digital processor are relatively high, which indirectly increases the cost of the antenna and feeder products

Method used

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  • High interference resistance antenna feeder tester control method

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Embodiment Construction

[0021] The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate this embodiment, certain components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation on this patent.

[0022] Such as figure 1 As shown, a high anti-interference antenna feeder tester control method, which includes the following steps:

[0023] S1. The test RF signal source is divided into a reference RF signal and a test RF signal through a power divider;

[0024] S2. The LO signal source of the local oscillator is divided into a reference LO signal and a test LO signal through a po...

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Abstract

The invention relates to the technical field of antenna feeders, and more specifically relates to a high interference resistance antenna feeder tester control method. According to the high interference resistance antenna feeder tester control method, reference signals and measurement signals simply and effectively realize and greatly improve interference resistance of an antenna feeder tester through a mixer, a ceramic filter, hardware phase comparison and power comparison, and the processing difficulty of software is reduced. The 455KHz general ceramic filter is applied to the antenna feeder tester, and the interference resisting capacity of the antenna feeder tester is improved simply and effectively.

Description

technical field [0001] The present invention relates to the technical field of antenna and feeder lines, and more particularly, relates to a control method for a high anti-interference antenna and feeder line tester. Background technique [0002] When using the antenna feeder tester to test the antenna feeder system, external noise signals are easily coupled into the system under test through the antenna, feeder or other methods. Therefore, as an antenna and feeder tester, it is required to have a certain filtering ability for the noise outside the frequency point it tests, otherwise it will seriously affect the test effect. At present, the antenna and feeder testers on the market use various methods to suppress noise interference, all of which are inseparable from the digital processing of the software. [0003] At present, the antenna and feeder testers on the market have better interference ability, basically cover the interference noise power by strengthening the power ...

Claims

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Application Information

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IPC IPC(8): H04B17/10H04B17/20
Inventor 叶少强
Owner 广州山锋测控技术有限公司
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