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UDC 621.396
Influence of Transverse-Slope on Information Parameter ILS Localizer
A.V. Zotov, South Ural State University, Chelyabinsk, Russian Federation, tnt1000@mail.ru
B.V. Zhdanov, South Ural State University, Chelyabinsk, Russian Federation, boris.z@inbox.ru
N.I. Voytovich, South Ural State University, Chelyabinsk, Russian Federation, voytovichni@mail.ru
Abstract
This article presents a generalization of the model localizer antenna that is given in an previously published article (Voytovich N.I., Zhdanov B.V., Zotov A.V. Simulation of the Fwo-Trequency Instrument Landing System, 2013). It was assumed in the mentioned article that localizer (LOC) is located on an underlying surface as a horizontal infinite in all direction plane. The influence of the Earth takes in this case into account the interference factor of the Earth. Then the spatial directivity pattern of the LOC antenna is represented by a product of two functions, one of which depends only on the azimuthal angle, and the other from the meridional angle. It was therefore convenient to consider the interest of magnitude as a function only on the azimuthal angle. We assume in this paper that the antenna array of radiating antenna elements LOC horizontal and the underlying surface in essential for the reflection of radio waves field (in the area of the first Fresnel zone on the underlying surface), represents a portion of a plane with a transverse-slope relative to the direction of the axis of the runway (RWY). It is not possible to divide according to interest values from the azimuthal and meridional angles due to the lack of axial symmetry of the problem.
Keywords
simulation, localizer, glide slope, difference in depth modulation, capture effect
References
1. Annex 10 to the Convention on International Civil Aviation. Vol. 1. Radio Navigation Aids. Monreal (Canada), ICAO, 2006. 606 p.
2. VSN 7-86. [Design Standards Facilities for Air Traffic Control, Navigation and Landing]. Мoscow, Ministry of Civil Aviation, 1987. (in Russ.)
3. Radiomayak kursovoy SP-90 (ITsRV.461512.019IE) [Localizer SP-90]. Chelyabinsk, NIIIT-RTS, 1998. 91 p.
4. Voytovich N.I., Zhdanov B.V., Zotov A.V. [Simulation of the Two-Frequency Instrument Landing System]. Bulletin of the South Ural State University. Ser. Computer Technologies, Automatic Control, Radio Electronics, 2013, vol. 13, no. 4, pp. 55–69. (in Russ)
5. Zotov A.V., Zhdanov B.V., Voytovich N.I. [Antenna Pattern of ILS Localizer on the Surface with Transverse-Slope]. Bulletin of the South Ural State University. Ser. Computer Technologies, Automatic Control, Radio Electronics, 2014, vol. 14, no. 4, pp. 5–27. (in Russ)
6. Baskakov, S.I. Radiotekhnicheskie tsepi i signaly [Radio Circuits and Signals]. Moskow, Vysshaja shkola Publ., 2005. 464 р. (in Russ.)
2. VSN 7-86. [Design Standards Facilities for Air Traffic Control, Navigation and Landing]. Мoscow, Ministry of Civil Aviation, 1987. (in Russ.)
3. Radiomayak kursovoy SP-90 (ITsRV.461512.019IE) [Localizer SP-90]. Chelyabinsk, NIIIT-RTS, 1998. 91 p.
4. Voytovich N.I., Zhdanov B.V., Zotov A.V. [Simulation of the Two-Frequency Instrument Landing System]. Bulletin of the South Ural State University. Ser. Computer Technologies, Automatic Control, Radio Electronics, 2013, vol. 13, no. 4, pp. 55–69. (in Russ)
5. Zotov A.V., Zhdanov B.V., Voytovich N.I. [Antenna Pattern of ILS Localizer on the Surface with Transverse-Slope]. Bulletin of the South Ural State University. Ser. Computer Technologies, Automatic Control, Radio Electronics, 2014, vol. 14, no. 4, pp. 5–27. (in Russ)
6. Baskakov, S.I. Radiotekhnicheskie tsepi i signaly [Radio Circuits and Signals]. Moskow, Vysshaja shkola Publ., 2005. 464 р. (in Russ.)
Source
Bulletin of the South Ural State University. Ser. Computer Technologies, Automatic Control, Radio Electronics, 2014, vol. 14, no. 4, pp. 71-88. (in Russ.) (The main)