Disturbance of ILS Localizer Signals by Reflections from Large Hangers

Redlich, R.; Gorman, James T.

doi:10.1109/taes.1969.309984

Cited by 6 publications

(2 citation statements)

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“…Recently, Redlich and Gorman [3] published a paper on reflections from hangars based on re-radiation from induced currents. The analysis in their paper used a different approach and was done independently.…”

Section: Introductionmentioning

confidence: 99%

Multipath Interference Error Analysis on Obstacles Effect

Cho¹,

Kwak²

2015

2015 8th International Conference on Signal Processing, Image Processing and Pattern Recognition (SIP)

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In this paper, the multipath interference by a obstruction or rough terrain is studied. The detriment of Glide path information to a aircraft that is approaching the airport with a precision ILS(Instrument Landing System) landing is due to the wrong siting. Terrain irregularity or roughness is the worst and most common glide slope siting deficiency. The degrading effect of rough terrain results from the random dispersion and/or phase shift of ground plane signal. In order to study the possibility of glide path signal interference, the new site that is under construction a big apartment complex and 3km distance away from glide path antenna is selected as a representative model in domestic airport. In the study, computerized simulation technic is employed to predict the probable reflected energy caused by the multipath conditions from antenna, obstructions and siting criteria. This study suggests the solution of a similar case through this analysis method.

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Section: Introductionmentioning

confidence: 99%

Multipath Interference Error Analysis on Obstacles Effect

Cho¹,

Kwak²

2015

2015 8th International Conference on Signal Processing, Image Processing and Pattern Recognition (SIP)

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“…Recently, Redlich and Gorman [3] published a paper on reflections from hangars based on reradiation from induced currents. The analysis in their paper used a different approach and was done independently.…”

Section: Introductionmentioning

confidence: 99%

LS Localizer Multipath Analysis

Shih¹

1971

IEEE Trans. Aerosp. Electron. Syst.

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The scattering effect of structures on Instrument Landing System localizer signals is analyzed in this paper. A generalized computer program results which can be used to determine the reflection from surfaces of most materials and orientations for which the radius of curvature is large compared with the wavelength. For most reflecting walls, a closed form solution is used and the computation time is short. The program will enable users to determine the placement of hangars, towers, etc., in airports and to find ways to reduce their effect on localizer facilities.

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