GOCE gradients in various reference frames and their accuracies
نویسندگان
چکیده
منابع مشابه
GOCE gradients in various reference frames and their accuracies
The objective of GOCE (Gravity Field and Steady-State Ocean Circulation Explorer) is the determination of the Earth’s gravity field with high spatial resolution. The main science sensor (the gradiometer) measures differential accelerations, from which the gravitational gradients, i.e. the matrix of the second derivatives of the gravitational potential, are derived. Some of them (the diagonal co...
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Mehdi Eshagh 1, Matloob Hussain 1,2, Robert Tenzer 3,4,* and Mohsen Romeshkani 5 1 Department of Engineering Science, University West, Trollhättan 46186, Sweden; [email protected] (M.E.); [email protected] (M.H.) 2 Department of Earth Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan 3 The Key Laboratory of Geospace Environment and Geodesy, Wuhan University, Wuhan 430079, China ...
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GOCE will be the first satellite ever to measure the second order derivatives of the Earth’s gravitational potential in space. With these measurements it is possible to derive a high accuracy and resolution gravitational field if systematic errors and/or outliers have been removed to the extent possible from the data. It is necessary to detect as many outliers as possible in the data pre-proces...
متن کاملExternal calibration of GOCE accelerations to improve derived gravitational gradients
The aim of ESA's satellite mission GOCE is to determine the Earth's gravity field with high accuracy and resolution. To achieve this aim, GOCE carries a gravitational gradiometer that needs calibration. Existing global gravity fieldmodels in combinationwith GOCE star sensor data may be used to synthesize reference differential accelerations with which the common and differential accelerations, ...
متن کاملin translation: translators on their work and what it means
کتاب در باب ترجمه، اثر استر آلن و سوزان برنوفسکی منتشر شده در ماه می 2013 توسط نشریه کلمبیا است. نویسندگان در این کتاب به بررسی 18 مترجم با در نظر گرفتن نقش آثاری که این مترجمان ترجمه کرده اند میپردازند. کتاب به دو بخش تقسیم میشود: " مترجم در جهان" و " کار مترجم" این دو بخش مقالات همیشگی ترجمه و موقعیت خاص ادبیات بیگانه در جهان وسیع امروزی را مورد خطاب قرار میدهد. در این کتاب مقالات متعددی از ن...
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ژورنال
عنوان ژورنال: Advances in Geosciences
سال: 2003
ISSN: 1680-7359
DOI: 10.5194/adgeo-1-33-2003