نتایج جستجو برای: remote sensing techniques

تعداد نتایج: 803310  

Journal: :فیزیک زمین و فضا 0
فرحناز تقوی استادیار، گروه فیزیک فضا، موسسه ژئوفیزیک دانشگاه تهران، ایران الهه اولاد دانشجوی کارشناسی ارشد هواشناسی، گروه فیزیک فضا، موسسه ژئوفیزیک دانشگاه تهران، ایران طاهر صفرراد دانشجوی دکتری اقلیم شناسی، دانشکده جغرافیا دانشگاه تهران، ایران پرویز ایران نژاد دانشیار، گروه فیزیک فضا، موسسه ژئوفیزیک دانشگاه تهران، ایران

mineral dust can directly affect the solar and terrestrial radiation in both visible and infrared (ir) spectral regions through scattering and absorption processes. due to specific optical properties of dust particles, satellite observed radiances carry the spectral signatures of dust particles that are different from molecular, cloud, and underlying surface. based on these differences, various...

Journal: :Pattern Recognition Letters 2010
Selim Aksoy Nicolas H. Younan Lorenzo Bruzzone

Development of new pattern recognition techniques for the analysis of data collected from satellites and airborne sensors used for Earth observation has been a popular research topic for several decades. Consequently, the pattern recognition and remote sensing research fields have always overlapped. However, the large volumes of remote sensing data acquired from last generation sensors require ...

2010

Development of new pattern recognition techniques for the analysis of data collected from satellites and airborne sensors used for Earth observation has been a popular research topic for several decades. Consequently, the pattern recognition and remote sensing research fields have always overlapped. However, the large volumes of remote sensing data acquired from last generation sensors require ...

Journal: :desert 2009
m. pahlevani m. r. mobasheri

emissivity mapping of the earth’s surface is the prerequisite to thermal remote sensing. a precise determinationof a surface's temperature is dependent upon the availability of precise emissivity data for that surface. the presentstudy area is a part of sugarcane plantation fields in the west part of khuzestan province. in this work, temperatureemissivity separation algorithm (tes) was applied ...

2009
Paul Bissett Oscar Schofield Curtis D Mobley Mark A Moline

W Paul Bissett', Oscar Schofield\ Curtis D Mobley\ Michael F Crowleyl and Mark A Moline" 'Florida Environmental Research Institute, Tampa, Florida, USA; l(ooslol Ocean ObservQtion Laboratory, Institute of Marine and Coastal Sciences. Rutgers University, New Brunswick, New Jersey, USA; ISequoia Scientific, Inc.. Redmond,Washington, USA; 'Biological Sciences Department, California Polytechnic Sla...

2015
Harmanpreet Kaur

Image segmentation is an important tool in image processing and can serve as an efficient front end to sophisticated algorithms and thereby simplify subsequent processing. Image segmentation by region merging follows a particular order in the choice of regions. The target of segmentation is always to simplify and/or change the representation of a graphic into something that is more meaningful a...

Journal: :EURASIP J. Adv. Sig. Proc. 2014
Kegen Yu Chris Rizos Derek M. Burrage Andrew G. Dempster Kefei Zhang Markus Markgraf

The Global Navigation Satellite System (GNSS) signals are always available, globally, and the signal structures are well known, except for those dedicated to military use. They also have some distinctive characteristics, including the use of L-band frequencies, which are particularly suited for remote sensing purposes. The idea of using GNSS signals for remote sensing the atmosphere, oceans or ...

2005
Chaichoke Vaiphasa

Mangroves, important components of the world’s coastal ecosystems, are threatened by the expansion of human settlements, the boom in commercial aquaculture, the impact of tidal waves and storm surges, etc. Such threats are leading to the increasing demand for detailed mangrove maps for the purpose of measuring the extent of the decline of mangrove ecosystems. Detailed mangrove maps at the commu...

2013
H. Nouri S. Beecham F. Kazemi A. M. Hassanli

Introduction Conclusions References

Journal: :journal of rangeland science 2013
gholamreza zehtabian hossein azarnivand hasan ahmadi saeideh kalantari

one of the influential tools concerning the rangeland and vegetation sciences isthe technology of remote sensing and satellite data. satellite data have played essentialroles in preparing the needed information for studying the vegetation. vegetation has beenwidely recognized as one of the best indicators for determining the land conditions. usingvegetation indices is one of the techniques of r...

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