System for control the power of an on-board signal generator of an unmanned aerial vehicle

Author:

Zavgorodnii A. S.1,Filippov D. A.1

Affiliation:

1. Russian Metrological Institute of Technical Physics and Radio Engineering

Abstract

In this paper, the issues of calibration of the transmission coeffi cient of the antenna system of a ground station for monitoring the energy characteristics of signals from global navigation satellite systems are considered. The most commonly used method for calibrating the transmission coeffi cient of large-aperture mirror antenna systems based on solar radio emission is presented, its advantages and disadvantages are described. To eliminate the disadvantages of calibration based on solar radio emission (a limited range of working angles of the site, the need to involve thirdparty data on the spectral intensity of solar radio emission), an alternative approach to calibration based on an artifi cial source of radio emission placed on board an unmanned aerial vehicle is considered. The features of this approach are indicated – the need to work in the near zone of the measured antenna system, as well as the movement of an artifi cial radio source in a plane parallel to the plane of the aperture of the antenna system. A block diagram of the payload of an unmanned aerial vehicle for measurements in the near zone of the antenna system being measured has been developed. The results of a study of the characteristics of the payload signal generator of an unmanned aerial vehicle are carried out. A solution is proposed to eliminate the error in setting the output power of the signal generator (the difference between the nominal and actual signal power) from the measurement results. The necessity of using a control signal power meter and a bandpass fi lter as part of the payload is shown. A subsystem for monitoring the output power of the signal generator has been designed. Payload components have been selected that meet the limitation on weight and size characteristics. The possibility of remotely connecting the operator to the payload equipment of an unmanned aerial vehicle has been implemented. The perspective of the development of the payload layout is described.

Publisher

FSUE VNIIMS All-Russian Research Institute of Metrological Service

Reference10 articles.

1. Karutin S. N., Vlasov I. B., Dvorkin V. V. Differential correction and monitoring of global navigation satellite systems. Moskovskij universitet: Galereya Publ., Moscow (2014). (In Russ.) https://www.elibrary.ru/sylqsm

2. Zavgorodniy A. S., Voronov V. L., Ryabov I.V. A metrological system for estimating the energy characteristics of signals from glonass navigation satellites. Al`manac of modern metrology, (7), 124–138 (2016). (In Russ.) https://www.elibrary.ru/wilpun

3. Frolov O. P., Wald V. P. Refl ector antennas for terrestrial satellite communication stations. Goryachaya liniya – Telekom Publ., Moscow (2008). (In Russ.) https://www.elibrary.ru/qmskpn

4. Vlasov I. B., Mikhailitskiy V. P., Ryzhov V. S. Radio road calibration of radio telescope RT-7.5 during signal monitoring of navigational spacecraft. Herald of the Bauman Moscow State Technical University. Series Instrument Engineering, (6(99)), 96–107 (2014). (In Russ.) https://www.elibrary.ru/tavmvl

5. Zavgorodnij A. S. Calibration of the metrological complex for evaluating the energy characteristics of navigation spacecraft signals by the full transmission coeffi cient. Reports of the IV scientifi c and practical conference of young scientists, postgraduates and specialists, VNIIFTRI, Mendeleevo, 2 March 2016. (In Russ.) https://www.elibrary.ru/ylyupp

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3