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Article
Analysis of adaptive filter operation and system identification using least mean square algorithm
تحليل عمل المرشح المتكيف وتميز المنظومات باستخدام (LMS) خوارزمية مربع المتوسط الاصغر

Author: Sufyan H. Ali سفيان هزاع علي
Journal: Albahir journal مجلة الباهر ISSN: 23125721 Year: 2017 Volume: 5 Issue: 9+10 Pages: 73-81
Publisher: AL-Abbas Holy Shrine العتبة العباسية المقدسة

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Abstract

Due to the development in the electronics industry, it has become easy to use digital filters inmany digital applications. This paper includes adaptive digital filter simulations by using Leas MeanSquare (LMS) algorithm, which changed its coefficients repeatedly to become so controlled filter toinput signal to be passed without the unwanted signals. An application for this filter that have beenaddressed in this research is to characterize )recognition of the( systems. The signals used in thesimulation are the amplitude modulated signals and sinusoidal signal. The results show that thesetwo application signals have good result when the proposed adaptive filter is used.

نظرا للتطور الحاصل في الصناعة الإلكترونية اصبح من السهولة استخدام المرشحات الرقميةفي كثير من التطبيقات العملية. يتضمن البحث اجراء محاكات للمرشح الرقمي المتكيف باستخدامالذي تتغير معاملاته طوعيا لكي يصبح ذلك المرشح منظما على اشارة الدخل LMS خوارزميةلتمريرها بدون الاشارات غير المرغوب بها . احد التطبيقات لهذا المرشح التي تم التطرق اليهما في هذاالبحث هو تميز )معرفة( المنظومات. الاشارات التي استخدمت هما الاشارة المضمنة سعويا و اشارةجيبيه. كانت نتائج المحاكات لهذين التطبيقين جيدة اي ان خواص المرشح المتكيف قد حققت تلكالنتائج.


Article
Analysis, Modeling, and Design of a Reliable Wide Area Network Case Study for Tikrit University Intranet

Authors: Ibrahim Khalil Sileh --- Sufyan H. Ali --- Musaria Karim Mahmood
Journal: Tikrit Journal of Engineering Sciences مجلة تكريت للعلوم الهندسية ISSN: 1813162X 23127589 Year: 2018 Volume: 25 Issue: 2 Pages: 35-39
Publisher: Tikrit University جامعة تكريت

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Abstract

This work presents the analysis and modeling of communication network used for data transmission with multi-protocols in campus network. The designed network is based on the geographical location of communication nodes. (Colleges and centers). Network optimal backbone is first designed by Kruskal algorithm. It will be subject to reliability improvement by links addition. Tie-sets method is used to evaluate the network reliability. Communication nodes are modeled using local area network (LAN), server, links, router, switch, and Firewall. Intranet will be used as communication backbone mainly to connect different communication nodes with the Principal Communication Center (PCC) where the System Server (SS) is located. The connection of Intranet to the Internet is mad via the front-end system server (SS). Tikrit University Intranet (TUI) is taking as case study in the present research. Tikrit University sites are grouped into master communication nodes. Each node is composed from several colleges, centers, and administrative sections.

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