Microwave and millimeter wave characteristics and attenuation of clouds over some Malaysian equatorial stations

Research output: Contribution to journalArticle

Abstract

Based on radar range height indicator (RHI) measurements, cloud characteristics in relation to radiowave propagation over three locations in different geographical region in western Malaysia have been presented. It is seen that low cloud occurrence over these locations are quite significant. Cloud attenuation and noise temperature can result in serious degradation of telecommunication link performances. This paper presents cloud coverage in different months, 0°C isotherm height and cloud attenuation results at 12 GHz, 20 GHz, 36 GHz, 50 GHz, 70 GHz and 100 GHz over measurement site. The low level cloud over the measurement sites has been found to occur for many days and nights and particularly in the months of April to May and October to December. Such results are useful for satellite communication and remote sensing application in Malaysia.

Original languageEnglish
Pages (from-to)225-231
Number of pages7
JournalInternational Journal of Infrared and Millimeter Waves
Volume29
Issue number3
DOIs
Publication statusPublished - Mar 2008
Externally publishedYes

Fingerprint

Millimeter waves
millimeter waves
stations
attenuation
Microwaves
microwaves
Malaysia
radar range
Geographical regions
satellite communication
Radio transmission
noise temperature
Communication satellites
night
Telecommunication links
Isotherms
telecommunication
remote sensing
Remote sensing
isotherms

Keywords

  • Cloud attenuation
  • Microwave and millimeter wave
  • Noise temperature
  • Radar

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Physics and Astronomy (miscellaneous)

Cite this

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title = "Microwave and millimeter wave characteristics and attenuation of clouds over some Malaysian equatorial stations",
abstract = "Based on radar range height indicator (RHI) measurements, cloud characteristics in relation to radiowave propagation over three locations in different geographical region in western Malaysia have been presented. It is seen that low cloud occurrence over these locations are quite significant. Cloud attenuation and noise temperature can result in serious degradation of telecommunication link performances. This paper presents cloud coverage in different months, 0°C isotherm height and cloud attenuation results at 12 GHz, 20 GHz, 36 GHz, 50 GHz, 70 GHz and 100 GHz over measurement site. The low level cloud over the measurement sites has been found to occur for many days and nights and particularly in the months of April to May and October to December. Such results are useful for satellite communication and remote sensing application in Malaysia.",
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AB - Based on radar range height indicator (RHI) measurements, cloud characteristics in relation to radiowave propagation over three locations in different geographical region in western Malaysia have been presented. It is seen that low cloud occurrence over these locations are quite significant. Cloud attenuation and noise temperature can result in serious degradation of telecommunication link performances. This paper presents cloud coverage in different months, 0°C isotherm height and cloud attenuation results at 12 GHz, 20 GHz, 36 GHz, 50 GHz, 70 GHz and 100 GHz over measurement site. The low level cloud over the measurement sites has been found to occur for many days and nights and particularly in the months of April to May and October to December. Such results are useful for satellite communication and remote sensing application in Malaysia.

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