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Predicted testing system of radiation field strength mode of short wave antenna

A short-wave antenna, model prediction technology, applied in the antenna radiation pattern, electromagnetic field characteristics, etc., to achieve the effect of convenient use, high degree of automation, and low test power

Inactive Publication Date: 2007-04-25
CHINA SHIP DEV & DESIGN CENT
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  • Abstract
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Problems solved by technology

In order to implement the method, a test system for model prediction needs to be configured, and there is no such an adaptable test system in the prior art

Method used

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  • Predicted testing system of radiation field strength mode of short wave antenna

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Embodiment Construction

[0009] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0010] The test system consists of three parts: radio frequency power transmitting unit, field strength data acquisition unit and test control and data processing unit. Described radio frequency power transmitting unit comprises radio frequency network analyzer and radio frequency power amplifier, the output terminal of radio frequency network analyzer is connected the input end of radio frequency power amplifier, the radio frequency signal after the amplification leads to directional coupler through the output port of radio frequency power amplifier, in The output end of the directional coupler is connected to the transmitting antenna model 2 through the isolation attenuator, and the input coupling end of the directional coupler is connected to the receiving end of the RF network analyzer through the protection attenuator, and the frequency range of the ...

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Abstract

The invention relates to a model prediction measurement system of radiation intensity that is generated by the high power short-wave launching aerial mounted on the complex platform. The system contains radio-frequency power transmitting unit, intensity data acquisition unit, testing control and data processing unit, the radio-frequency power transmitting unit contains radio-frequency network analyzer and radio-frequency power amplifier, the output of the radio-frequency power amplifier is connected with the launching aerial model via directional coupler, said intensity data acquisition unit is the field intensity indicator, said data processing unit is computer equipped with the testing control and data processing software, the radio-frequency network analyzer and the field intensity indicator are connected with the computer. On the lab condition, the testing system consists of few measuring apparatus for the complex platform iconic model; the radiation field intensity distribution that is generated by the high power short-wave launching aerial mounted on the key component of complex platform could be predicted precisely and quickly via the sweep frequency calibration, measuring and data acquisition, data processing.

Description

technical field [0001] The invention relates to a test system for model prediction of the radiation field intensity generated after a high-power short-wave transmitting antenna is loaded on a complex platform. Background technique [0002] The distribution of radiation field intensity produced by high-power short-wave transmitting antennas when working on complex platforms has always been the most concerned issue in the overall design of complex platforms. It directly affects the safety performance of personnel, electric ignition devices, and fuel. At present, the prediction method of the radiation field intensity generated after the high-power short-wave transmitting antenna is loaded on a complex platform is mainly through the simulation calculation of the electromagnetic field calculation software, or the measurement of the radiation field intensity generated by the actual antenna itself. Due to the complex structure and boundary conditions of complex platforms such as sh...

Claims

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Application Information

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IPC IPC(8): G01R29/08G01R29/10
Inventor 郑生全黄松高张嘉刘义吴楠
Owner CHINA SHIP DEV & DESIGN CENT
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