منابع مشابه
Geometric Validation of Low and High-resolution Asar Imagery
We present issues and solutions concerning the calibration and validation of ENVISAT ASAR image products – both their geometry and radiometry are investigated. Concerning geometric calibration, the slant range products (IMS, APS) offer the best available resolution. We tabulate differences between measured (in image products) and predicted (via geodetic position, precise state vectors, and rang...
متن کاملthe effects of keyword and context methods on pronunciation and receptive/ productive vocabulary of low-intermediate iranian efl learners: short-term and long-term memory in focus
از گذشته تا کنون، تحقیقات بسیاری صورت گرفته است که همگی به گونه ای بر مثمر ثمر بودن استفاده از استراتژی های یادگیری لغت در یک زبان بیگانه اذعان داشته اند. این تحقیق به بررسی تاثیر دو روش مختلف آموزش واژگان انگلیسی (کلیدی و بافتی) بر تلفظ و دانش لغوی فراگیران ایرانی زیر متوسط زبان انگلیسی و بر ماندگاری آن در حافظه می پردازد. به این منظور، تعداد شصت نفر از زبان آموزان ایرانی هشت تا چهارده ساله با...
15 صفحه اولASCAT – Metop’s Advanced Scatterometer
Introduction Wind scatterometers already flown on ESA’s ERS-1 and ERS-2 satellites have demonstrated the value of such instruments for the global determination of sea-surface wind vectors. These highly successful instruments – part of the Active Microwave Instrument (AMI) – were conceived about twenty years ago. During the intervening period, there has been a considerable evolution in the capab...
متن کاملASCAT Soil Moisture
This report presents a proposal for a new discrete global grid (DGG) that is recommended for implementation within IPF's software for processing scatterometer data and generating soil moisture products. The new grid is to improve the current adapted sinusoidal grid used within WARP4.0. An overview of the three main methods for implementing DGG'S; partitioning, tiling and subdivision, is present...
متن کاملASCAT validation with buoy and QuikSCAT data
Introduction Conclusions References Tables Figures ◭ ◮ ◭ ◮ Back Close Full Screen / Esc Abstract Introduction Conclusions References Tables Figures ◭ ◮ ◭ ◮ Back Close Full Screen / Esc Abstract The new scatterometer Advanced SCATterometer (ASCAT) onboard MetOp-A satellite provides surface wind speed and direction over global ocean with a spatial resolution of 25 km square over two swaths of 550...
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ژورنال
عنوان ژورنال: Journal of Atmospheric and Oceanic Technology
سال: 2015
ISSN: 0739-0572,1520-0426
DOI: 10.1175/jtech-d-14-00154.1