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Now showing items 81-90 of 467
Performance enhancement of relay-assisted communications via binary feedback
(
IEEE
, 2004 , Conference Paper)
This paper proposes a modified two-hop wireless communication system and studies its performance. The modified system has a reliable feedback channel that carries a binary signal from the receiver to inform the transmitter ...
Iterative learning control for variable frequency drives
(
IEEE
, 2008 , Conference Paper)
Variable Frequency Drives (VFD) are subject to various types of disturbances especially cyclical ones. These periodic disturbances are difficult to compensate by conventional controllers. Repetitive control can only ...
Voluntary disclosure in the annual reports of an emerging country: The case of Qatar
(
Elsevier Ltd
, 2009 , Article)
This study sets out to examine empirically the determinants of voluntary disclosure in the annual reports of 25 listed firms of Doha Securities Market (DSM) in Qatar forming approximately 86% of the total firms incorporated ...
Effects of Post and Early Selection on SEC Based Transmit Diversity Systems with Linear Power Loading
(
IEEE
, 2008 , Conference Paper)
Switch and examine combing (SEC) diversity scheme provides a lowest-complexity closed-loop transmit diversity solution. Furthermore, by probing sequentially available branches with different power loading levels, the SEC ...
A multi-level conceptual data reduction approach based on the Lukasiewicz implication
(
Elsevier Science Inc
, 2003 , Article)
Starting from fuzzy binary data represented as tables in the fuzzy relational database, in this paper, we use fuzzy formal concept analysis to reduce the tables size to only keep the minimal rows in each table, without ...
Fuzzy mapping of human heuristics for defect classification in gas pipelines using ultrasonic NDE
(
IEEE
, 2007 , Conference Paper)
This paper presents a methodology for classifying the common defects in steel pipelines for transporting petroleum and gas. Usually, the nondestructive evaluation (NDE) experts in the industry judges the defect type by ...
أصول المنهج العلمي وأساليبه في السنة النبوية : دراسة مقارنة بين كتاب العلم من صحيح البخاري ومعطيات مناهج البحث العلمي المعاصر
(
دار البصائر للطباعة والنشر والتوزيع
, 2009 , Article)
إن تخلف المسلمين عن ركب الحضارة هو الدافع وراء كتابة هذا البحث فمن الضروري أن يقف كل مسلم علي أسباب تقدم الأجداد من المسلمين في مجالات البحث العلمي ومعرفة أسباب قوتهم؛ فبدأ البحث بتمهيد وهو الحديث عن اهتمام القرآن بالعلم؛ ...
موقف إقبال من الفكر الفلسفي الآري : قراءة تحليلية
(
كلية دار العلوم - جامعة المنيا
, 2007 , Article)
عرف الباحثون والقراء محمد إقبال (1877-1983) أديباً وشاعرا وناقدا لتاريخ الفكر الإسلامي، وزعيماً من زعماء الإصلاح الديني، وفيلسوفا مدققاً ومحللاً للفكر الإسلامي والإنساني معا، وواضعا لفلسفة تأملية واضحة المعالم ثابتة الينيان، ...
A Magnetic Transport Middle Eastern Positron Beam
(
Elsevier
, 2008 , Article)
A magnetically guided slow positron beam is being constructed at Qatar University and is currently being optimised for regular operation. This is the first positron beam in the Middle East, as well as being the first Arabic ...
Hazards influencing coastal plains management along the Eastern stretch of the Gulf of Suez, Using remote sensing and GIS
(
IEEE
, 2008 , Conference Paper)
This research aims at to assess the impact of natural hazards on the human activities and development planning held along the eastern coastal stretch of the Gulf of Suez. Change detection technique was used in combined ...