نتایج جستجو برای: normal pdf

تعداد نتایج: 581768  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده مهندسی برق و کامپیوتر 1392

سیستم های جدید مخابراتی از مدولاسیون های با بازده طیفی زیاد که ‏papr‏ ‏ ‏ زیادی دارند، ‏استفاده می کنند. در چنین سیستم هایی عملکرد خطی تقویت کننده توان نقش مهمی در کارایی ‏سیستم دارد. با توجه به اینکه تقویت کننده های توان به صورت ذاتی غیر خطی هستند، لازم است از ‏روش های خطی سازی مانند پیش اعوجاج دیجیتال برای خطی سازی سیستم استفاده شود.‏ در این رساله روشی برای محاسبه تابع یک پیش اعوجاج دهنده دی...

Journal: :Chemical and Biochemical Engineering Quarterly Journal 2014

Journal: :international journal of maritime technology 0
mir-ahmad lashteh-neshaei department of civil engineering, guilan university, rasht, iran mohammad ali lotfollahi-yaghin civil engineering faculty, university of tabriz, tabriz, iran morteza biklaryan civil engineering faculty, university of tabriz, tabriz, iran sadegh nadimy department of civil engineering, guilan university, rasht, iran

although there exist advanced models which predict beach profile for natural beaches, the behavior of the beaches in front of seawalls still suffers from the lack of appropriate theoretical models and sufficient measured data. in this paper, following the results obtained from the measurements, a beach profile evolution model is developed, using the measured probability distribution of the near...

1995
Dan Geiger David Heckerman

We provide a new characterization of the Bivariate normal-Wishart distribution. Let ~ x = fx 1 x 2 g have a non-singular Bivariate normal pdf f(~ x) = N(~ W) with unknown mean vector ~ and unknown precision matrix W. L e t f(~ x) = f(x 1)f(x 2 jx 1) where f(x 1) = N(m 1 1=v 1) and f(x 2 jx 1) = N(m 2j1 +b 12 x 1 1=v 2j1). Similarly, deene fv 2 v 1j2 b 21 m 2 m 1j2 g using the factorization f(~ ...

2002
P Tamkin J Yarnall M Kerrin

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پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1389

لطفا به فایل pdf ضمیمه شده مراجعه کنید.

1995
Dan Geiger David Heckerman

We provide a new characterization of the Bivariate normal-Wishart distribution. Let ~ x = fx 1 ; x 2 g have a non-singular Bivariate normal pdf f(~ x) = N(~ ; W) with unknown mean vector ~ and unknown precision matrix W. Let f(~ x) = f(x 1)f(x 2 jx 1) where f(x 1) =

B. Mohtashami, H. Amanlou, H.R. Mirzaei

Four treatments were assigned to determine the effects of dietary potential digestible fiber (pdF) and crude protein (CP) levels in mid lactating Holstein cows on milk production and nitrogen efficiency. Sixteen primiparous (n=8) and multiparous (n=8) Holstein cows (body weight (BW)=546±72 kg; days in milk (DIM)=118±50 day) were allocated to one of four diets in balanced randomized complete des...

2005
David Y. Zhao

To address the variation of noise level in non-stationary noise signals, we study the noise gain estimation for speech enhancement using hidden Markov models (HMM). We consider the noise gain as a stochastic process and we approximate the probability density function (PDF) to be log-normal distributed. The PDF parameters are estimated for every signal block using the past noisy signal blocks. T...

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