نتایج جستجو برای: variable structure

تعداد نتایج: 1788911  

Redesigning Bazaar Physical Structure According to its Dealing Culture Structure Case Study: Arab Bazaar in Ahvaz City The Bazaar physical structure is formed from the arrangement syntax of division units, Interfaces, joints and boundaries to each other and the Arabic Bazaar also follows this example. This structure is the result of arrangement syntax of division units with linear pattern a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم پایه 1392

یک فضای خطی متناهی بر v نقطه با b خط یک فضا است که در آن از هر دو نقطه درست یک خط عبور می کند. در این پایان نامه ما مقالات زیر را که مربوط به فضاهای خطی ایت را بررسی می کنیم. melone, n. (1991). a structure theorem for finite linear spaces. lecture notes math, 2, 231-241. bridges, w.g. (1972). near 1-designs. j. combinatorial theory (a), 13, 116-126. varga, l.e. (1985). a note on the structu...

2007
Justin Guinney Qiang Wu Sayan Mukherjee

We consider the problem of learning gradients in the supervised setting where there are multiple, related tasks. Gradients provide a natural interpretation to the geometric structure of data, and can assist in problems requiring variable selection and dimension reduction. By extending this idea to the multi-task learning (MTL) environment, we present methods for simultaneously learning variable...

2004
A. Al-Dweik R. El-Khazali

A variable structure early-late gate symbol synchronizer for rapid blind symbol timing recovery of OFDM systems is proposed and analyzed. The new synchronizer has the capability of adjusting the loop bandwidth to achieve fast acquisition and to reduce the timing jitter during the tracking phase. The variable structure synchronizer (VSS) proves to acquire symbol timing in a period less than 10 O...

The Cúk converter, which has voltage buck and boost ability, offers high flexibility as an interface device for solar panels. In addition, current ripple can be more reduced because of two input and output inductors at both sides. This paper presents a new application of current-variable inductors in a Cúk converter that reduces the size and capacity of storage elements. Because of two inductor...

Poverty is an issue that has been for many years and despite the world economic growth and the implementation of various policies against to poverty, it is also surround many people's lives and its decrease has become into one of the most important objectives of economic policymakers world. Financial sector for links with other different sectors of society plays important role and it can change...

پایان نامه :0 1392

nowadays in trade and economic issues, prediction is proposed as the most important branch of science. existence of effective variables, caused various sectors of the economic and business executives to prefer having mechanisms which can be used in their decisions. in recent years, several advances have led to various challenges in the science of forecasting. economical managers in various fi...

Journal: :مطالعات توسعه اجتماعی - فرهنگی 0
سیدرضا نقیب السادات seyed reza naqibolsadat فاطمه قصابی fatemeh qasabi

this study tries to provide a virtual image of the structure and design of facenama, cloob, facebook and google+ social networks. the main question in this study is which variable or variables are differ in the structure and design of social networks of iranian and non-iranian. content analysis has been used in this study. content analysis is a research method to describe the objective, systema...

Journal: :iranian journal of pharmaceutical research 0
zahra hajimahdi department of medicinal chemistry, school of pharmacy, shahid beheshti university of medical sciences, tehran/iran amin ranjbar department of electrical engineering, amirkabir university of technology, tehran/iran amir abolfazl suratgar department of electrical engineering, amirkabir university of technology, tehran/iran afshin zarghi shahid beheshti univ. med. sci.

predictive quantitative structure–activity relationship was performed on the novel 4-oxo-1,4-dihydroquinoline and 4-oxo-4h-pyrido[1,2-a]pyrimidine derivatives to explore relationship between the structure of synthesized compounds and their anti-hiv-1 activities. in this way, the suitable set of the molecular descriptors was calculated and the important descriptors using the variable selections ...

This paper presents two efficient implementations of fast and pipelined bit-parallel polynomial basis multipliers over GF (2m) by irreducible pentanomials and trinomials. The architecture of the first multiplier is based on a parallel and independent computation of powers of the polynomial variable. In the second structure only even powers of the polynomial variable are used. The par...

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