نتایج جستجو برای: geometrical characteristic

تعداد نتایج: 203115  

ژورنال: مواد پرانرژی 2011
آدمی, امیرحسین, حیدری, محمد رضا,

  Abstract   In this paper, general grains of solid propulsion systems such as cylindrical grains, multilateral grains and star grains are designed by new method. This method is more rapid in comparison with the others that act base on geometrical breakdown and boundary condition definition. In this method, geometrical definition point and grain production are defined and then the burning surfa...

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Journal: :Classical and Quantum Gravity 2022

We discuss three different (conformally) Carrollian geometries and their relation to null infinity from the unifying perspective of Cartan geometry. Null \emph{per se} comes with numerous redundancies in its intrinsic geometry two other can be recovered by making successive choices gauge. This clarifies extent which one think as being a (strongly) we investigate implications for corresponding g...

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ژورنال: مهندسی فناوری اطلاعات مکانی 2021
Pourahmad, Nasser, Rezayan, Hani, Sadidi, Javad,

A large number of civil registries are available as analog maps that require georeferencing. Besides the quality of the analog maps and control points, the algorithm used for georeferencing also affects the accuracy of the map and the carried out geometrical calculations which indicates the need to study modern Georeferencing Methods. This requires the adoption of georeferencing optimization mo...

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