Interpretation of Scattering Characteristics of Radar L and C-Channel Data

Authors

  • Amarsaikhan Damdinsuren Institute of Geography and Geoecology, Mongolian Academy of Sciences, Ulaanbaatar 15170, Mongolia
  • Nyamjargal Erdenebaatar Institute of Geography and Geoecology, Mongolian Academy of Sciences, Ulaanbaatar 15170, Mongolia
  • Jargaldalai Enkhtuya Institute of Geography and Geoecology, Mongolian Academy of Sciences, Ulaanbaatar 15170, Mongolia
  • Munkh-Erdene Altangerel Institute of Mathematics and Digital Technology, Mongolian Academy of Sciences, Ulaanbaatar 13330, Mongolia
  • Renchinmyadag Tovuudorj Institute of Geography and Geoecology, Mongolian Academy of Sciences, Ulaanbaatar 15170, Mongolia
  • Tsogzol Gurjav Institute of Geography and Geoecology, Mongolian Academy of Sciences, Ulaanbaatar 15170, Mongolia

DOI:

https://doi.org/10.5564/jimdt.v4i1.2665

Keywords:

Alos Palsar-2, Sentinel-1B, radar wavelength, signature, analysis

Abstract

To define spectral knowledge of the features presented in the multisource remotely sensed datasets, in most cases, signature-based analyses are applied. The  features are considered to be distinguishable if they are separable in a multidimensional  feature space. The aim of this research is to conduct signature-based backscatter analyses  using L and С-band Alos Palsar-2 and Sentinel-1B radar images and investigate  the separability of the available land cover classes. As a test site, Ulz gol basin situated in the northern part of Dornot aimag has been selected, and 8 different land cover classes were  chosen. The result of the backscatter analyses revealed that the selected land cover types in the study area could be somehow separable in different radar wavelengths.   

Радарын L, С-Сувгийн Мэдээний Онцлог болон Сарнилын Тайлал     

Хураангуй: Зайнаас тандсан олон эх сурвалжийн дүрс мэдээнд агуулагдаж байгаа янз бүрийн  спектрийн мэдлэгийг тодорхойлохын тулд, ихэнх тохиолдолд биет, юмсын сигнатурт дүн шин-  жилгээ хийх бөгөөд олон хэмжээст огторгуйд сигнатурууд саланги байх тохиолдолд дүрс мэдээн  дээрх биес өөр хоорондоо илүү сайн ялгагддаг. Энэхүү судалгааны ажлын зорилго нь, радарын  долгионы L ба С-сувгийн мужид хос туйлшралаар хүлээн авсан Alos Palsar-2 болон Sentinel-1B  дагуулын мэдээг тус тус ашиглан, газрын бүрхэвчийн сигнатур дээр суурилсан сарнилын ме-  ханизмын тайлал хийж, улмаар уг ангиуд өөр хоорондоо сарнилаараа хэрхэн ялгагдаж байгааг  харуулахад оршино. Судалгааны загвар талбай болгон Дорнод аймгийн хойд хэсэгт орших Улз  голын сав нутгийг сонгон авч, нийт 8 ангийг тодорхойлсон бөгөөд сарнилын тайллын дүнгээс  харахад, ангиуд өөр хоорондоо тодорхой хэмжээнд ялгагдаж байлаа. Дүн шинжилгээнд, ENVI  5.2 программ хангамжийг ашигласан болно. 

Түлхүүр үгс: Alos Palsar-2, Sentinel-1B, радарын долгион, сигнатур, дүн шинжилгээ 

Abstract
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Published

2023-03-24

How to Cite

Damdinsuren, A., Erdenebaatar, N., Enkhtuya, J., Altangerel, M.-E., Tovuudorj, R., & Gurjav, T. (2023). Interpretation of Scattering Characteristics of Radar L and C-Channel Data. Journal of Institute of Mathematics and Digital Technology, 4(1), 85–93. https://doi.org/10.5564/jimdt.v4i1.2665

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