نتایج جستجو برای: 2000 periods likewise

تعداد نتایج: 303020  

The major aim of processing satellite images is to prepare topical and effectivemaps. The selection of appropriate classification methods plays an important role. Amongvarious methods existing for image classification, artificial neural network method is ofhigh accuracy. In present study, TM images of 1987, and ETM+ images of 2000 and 2006were analyzed using artificial fuzzy ARTMAP neural netwo...

Journal: :E3S web of conferences 2023

From 2000 to 2015, China’s industry and economy developed rapidly, while at the same time, it became world’s largest carbon emitter. development trajectory in 15 years since is similar Japan’s 1960s 1980s. This paper used Logarithmic mean Divisa index (LMDI) method estimate impact factors of emissions China from 2000-2015 Japan 1971-1986. The differences commonalities between two countries peri...

Journal: :Des. Codes Cryptography 2012
Maria Christopoulou Theodoulos Garefalakis Daniel Panario David Thomson

Optimal normal bases are special cases of the so-called Gauss periods (Disquisitiones Arithmeticae, Articles 343-366); in particular, optimal normal bases are Gauss periods of type (n,1) for any characteristic and type (n,2) for characteristic 2. We present the multiplication tables and complexities of Gauss periods of type (n, t) for all n and t = 3,4,5 over any finite field and give a slightl...

Knowledge of rangeland vegetation characteristics as well as factors affecting it in environmental planning, land management and sustainable development is very important. However, regional and up-to-date maps of pasture vegetation cover are not always available. In this study, in order to plot the vegetation cover percentage of the rangelands and monitor its changes in drought and wet periods,...

Journal: :Thermal Science 2022

In this study, the thermal analysis of an aluminum piston coated with MgOZrO2 to create a barrier COMSOL multiphysics program and changes in exhaust gas temperature, fuel consumption, engine torque values obtained as result test experiments were examined. For purpose, uncoated was started biodiesel 5% water + 15% ethanol doped at speeds 1000 rpm, 1500 2000 2500 rpm. results COMSOL, it found tha...

2003
Ee Ping Ong Weisi Lin Zhongkang Lu Susu Yao Xiaokang Yang Lijun Jiang

In this paper, a method for measuring the perceptual image quality of JPEG-2000 coded images has been proposed. The image quality is characterized by the average edgespread in the image, or more specifically the average extent of the slope’s spread of an edge in the opposing gradients’ directions. The proposed method is, in effect, a way of measuring the amount of blurring in the image. The eff...

2003
Roland Norcen Andreas Uhl

C omputing cientific S

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