نتایج جستجو برای: joshi proposed method and frequency ration finally

تعداد نتایج: 17111358  

Journal: :amirkabir international journal of modeling, identification, simulation & control 2015
v. azimi m. b. menhaj a. fakharian

this article presents a fuzzy robust mixed - sensitivity gain - scheduled h controller based on the loop -shaping methodology for a class of mimo uncertain nonlinear time - varying systems. in order to design this controller, the nonlinear parameter - dependent plant is first modeled as a set of linear subsystems by takagi and sugeno’s (t - s) fuzzy approach. both loop - shaping methodology and...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...

Journal: :بهره برداری و پرورش آبزیان 0
سهیل علی نژاد مدیر گروه شیلات و آبزیان موسسه آموزش عالی علمی کاربردی جهاد کشاورزی کبری یکتای گورابی دانش آموخته علی رضا باهنر استاد، اپیدمیولوژی، دانشکده دامپزشکی دانشگاه تهران عاطفه امینی فرد کارشناس ارشد

to promote and changing the dietary pattern of any population data collection regarding that society is the first priority, therefore, the situation of seafood consumption in rasht population was studied. the total number of 500 questionnaires were distributed & completed according to stratified random sampling in the year 2013(1392). cochran's test was used to calculate the samples bulk. ...

Journal: :علوم دامی ایران 0
حمیدرضا میرزایی الموتی استادیار، دانشگاه زنجان مهدی کاظمی جوجیلی کارشناس ارشد، دانشگاه زنجان حمید امانلو استاد، دانشگاه زنجان مینا وزیری گهر دانشجوی سابق دکتری، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج و محقق ارشد (دکتری تغذیه نشخوارکنندگان)، شرکت زانیار آریایی، تهران

the objective of this study was to evaluate the effect of frequency of feeding total mixed ration (tmr) on total-tract digestibility, milk production and composition in lactating cows, using meta-analysis and meta-regression approaches. data of fourteen experiments having containing 25 comparisons between treatment (higher feeding frequency) and control (lower feeding frequency) groups, defined...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده مهندسی صنایع 1387

according to webster and wind (1972) and anderson et al (1987), “organizational buying is a complex process and involves many people from different functional areas, multiple goals and potentially conflicting decision criteria. moreover, the customers of today are also more knowledgeable and selective when making their purchasing decisions. since a key to organizational survival is the retentio...

The present paper is aimed at introducing a new algorithm for image encryption using chaotic tent maps and the desired key image. This algorithm consists of two parts, the first of which works in the frequency domain and the second, in the time domain. In the frequency domain, a desired key image is used, and a random number is generated, using the chaotic tent map, in order to change the phase...

Mina Aminghafari, Shokoufeh Roosta,

 This paper deals with a short term forecasting non-stationary time series using wavelets and splines. Wavelets can decompose the series as the sum of two low and high frequency components. Aminghafari and Poggi (2007) proposed to predict high frequency component by wavelets and extrapolate low frequency component by local polynomial fitting. We propose to forecast non-stationary process u...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده ادبیات و زبانهای خارجی 1391

esl/efl books play a crucial role in shaping language learners worldview of gender roles in society. the present study investigated the status of sexism in two sets of efl textbooks, one developed by non-native iranian authors (ili series) and the other by native authors (top notch series). first, two books from each series was selected randomly. then, a quantitative analysis was carried out wi...

A. Teimouri Yansari, S. Yousefian Y. Chashnidel

Two experiments were carried out to evaluate the effects of indigestible neutral detergent fiber (iNDF) of ration for estimation of rumen degradability of fiber in sheep. In experiment 1, to determine feed iNDF, four ruminal fistulated Zel ewes were used. Three grams of alfalfa hay, corn silage, barley grain, wheat bran, ration 1 (including alfalfa hay and concentrate), and ration 2 (including ...

Periodic noises are repetitive patterns on digital images and decreased the visual quality of images. The various methods for reducing the effects of the periodic noise in digital images are firstly investigated. Then an intelligent median filter in the frequency domain with an acceptable computational cost is proposed. In the proposed method, the regions of noise frequencies are determined by ...

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