Article

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Title

Methods and means of measuring the gain and ellipticity coefficient of spacecraft antennas

Author

V.I. Grits

Organization

JSC «Academician M. F. Reshetnev» Information Satellite Systems»
Zheleznogorsk, Krasnoyarsk region, Russian Federation

Abstract

One of the main components of any spacecraft is antennas, which are used to receive and transmit information. An inherent stage of spacecraft production is ground experimental testing (GET) of both the complete spacecraft and its individual parts, including antennas. After the antenna has passed the another stage of testing, it is necessary to verify that its radio technical characteristics (RTC) comply with the requirements stated in the technical specification (specifications). The most important characteristics of any antenna are its gain and ellipticity coefficient (EC). The purpose of this article is considering the main methods of measuring the gain and EC of microwave antennas. In the article such well- known methods of measuring the gain and ellipticity coefficient as three- antenna method, comparison method, flat screen method are considered. The three- antenna method on a planar near- field scanner, with using two paths, and using an indicator receiver are considered. The method of comparison on a collimator antenna range is described, in two variants: using two reference antennas, with one of which the signal amplitudes are measured, and using a two- channel power meter.

Keywords

antenna, gain, ellipticity coefficient, three- antenna method, comparison method, adjustable attenuator

References

[1] Parini C., Gregson S., McCormick J. Theory and Practice of Modern Antenna Range Measurements. Croydon: The Institution of Engineering and Technology, 2015. 800 p. ISBN 978–1–84919–563–8

[2] Constantine A. B. Antenna theory Analysis and Design. Second edition. United States of America: John Wiley & Sons, Inc, 1997, 941 p.

[3] Measurement of characteristics and parameters of antennas and scatterers using ultra-short pulse signals // TRIM – Ultra-wideband measurement systems: website. URL: https://trimcom.ru/post/1-radar-mms.pdf (date of reference: 08.02.2023)

[4] Milyaev P. V., Kalinin Yu. N., Savchenko D. I. Modern methods and equipment of measuring the radio technical characteristics of antennas // Almanac of modern metrology, 2019, no. 2, pp. 133–157.

[5] Ponomarev M. Yu., Platonov O. Yu., Shubnikov V. V. Features of measuring the gain on planar and spherical near-field stands // Bulletin of the Air defense Concern Almaz- Antey, 2015, no. 3, pp. 43–47. ISSN 2221–1179

[6] Patent No. RU 2116653C 1 IPC G01R 29/10. Method of measuring the gain of the antenna under test: No. 93013382/09: application 15.03.1993: publ. 27.07.1998 / Zaitsev Yu.A., Spiridonov Yu.A. 6 p.

[7] Patent No. RU 2104561C 1 IPC G01R 29/10. A method for measuring the antenna gain and a device for its realization: No. 95100282/09: application 10.01.1995: publ. 10.02.1998 / Bereznyak V. K, Varyukhin A. S, Khitrov Yu. A., Chernoles V. P. 12 p.

[8] Fradin A. Z., Ryzhkov E. V. Measuring the parameters of antenna-feeder devices. Moscow : State Publishing House of Literature on Communications and Radio, 1962, 317 p.

[9] Habersack J., Kress H., Lindemer W. and Steiner H.-J. Satellite Payload Parameter Measurements in a Compensated Compact Antenna Test Range, Proc. 21st AMTA 1999, Oct. 1999.

[10] Zakhariev L. N., Lemansky A. A., Turchin V. I. [et al.]. Methods of measuring the characteristics of microwave antennas. M.: Radio and Communications, 1985, 368 p.

[11] Kanareykin D. B., Pavlov N. F., Potekhin V. A. Polarization of radar signals. Moscow : Soviet Radio, 1966, 440 p.

[12] Patent No. RU 2509316 C 1 MPK G01R 29/10. Method of determination of the polarization characteristics of the antennas: № 2012132554/28: avt. 30.07.2012: published 10.03.2014 / Vertey S. V., Ionov A. V., Migachev M. I. 4 p.

[13] LLE RPC "UWB TRIM", Automated measuring and computing complex for measurements of radio technical characteristics of antennas (AMCC) TMSA 1.0–40.0 D 071: Operation Manual, TMSA 071.040.00D RE. St. Petersburg, 2016–110 p.

[14] Basic methods of antenna gain measurement / E. N. Shestakov, V. I. Gritz, I. Y. Shestakov, D. O. Malyshev // Actual problems of aviation and cosmonautics. – Vol. 1. – Krasnoyarsk: FGBOU VO "Siberian State University of Science and Technology named after Academician M. F. Reshetnev", 2019. pp. 500–502.

[15] Kolotygin S. A. Calibration of measuring antennas at close distances // Almanac of modern metrology, 2018, no. 16, pp. 107–119. ISSN 2313–8068

[16] Snastin M. V., Dobychina E. M. Absolute method of antenna gain measurement // 14th International Conference "Aviation and Cosmonautics – 2015" Abstracts, Moscow, November 16–20, 2015 / Moscow Aviation Institute (National Research University). M.: Moscow Aviation Institute (National Research University), 2015, pp. 274–276. EDN YLBSUY

[17] Dobychina E. M., Snastin M. V., Malakhov R. Y. Antenna gain measurement by reflection method // Microwave engineering and telecommunication technologies (KryMiCo'2015): Proceedings of the 25th International Crimean Conference. In 2 volumes, Sevastopol, September 06–12, 2015. Vol. 1. Sevastopol: Federal State Autonomous Educational Institution of Higher Education "Sevastopol State University", 2015, pp. 449–450. EDN UZWNNNZ

[18] Domanov S. K. Peculiarities of measuring the ellipticity coefficient on the automated measuring complex of the far zone in the frequency domain // Electronic means and control systems. Proceedings of the International Scientific and Practical Conference, 2017, no. 1–1, pp. 142–144. EDN ZWNKSL

For citing this article

Grits V.I. Methods and means of measuring the gain and ellipticity coefficient of spacecraft antennas // Spacecrafts & Technologies, 2023, vol. 7, no. 4, pp. 259-267. doi: 10.26732/j.st.2023.4.04

This Article is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).