نتایج جستجو برای: research systems

تعداد نتایج: 2405867  

Journal: :Journal of Agricultural and Applied Economics 1974

Journal: :International Journal of System of Systems Engineering 2008

Journal: :EJIS 2011
Richard Baskerville Kalle Lyytinen Vallabh Sambamurthy Detmar W. Straub

Received: 3 October 2010 Revised: 24 October 2010 Accepted: 2 November 2010 Abstract In response to Österle et al.’s ‘Memorandum on Design Oriented Information Systems Research’, this commentary disputes, and expands the context of, several premises used to justify the main argument in the memorandum. These include: (1) claims about the evolution and role of design science research in the broad...

Journal: :E3S web of conferences 2021

The scientific work “Research of recirculation systems and air recovery systems” is devoted to the analysis selection most optimum ventilation that will reduce cost published products by reducing energy consumption. purpose this discover experimentally study characteristics affect use thermal electric heating in industry, as well create solutions allow achieve a decrease consumption fuel resour...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان همدان - دانشکده ادبیات و علوم انسانی 1390

the present research has been deducted from a provincial research project which aims at determining the relationship of variables of variables of occupational self-concept, intelligence beliefs and metacognitive with entrepreneurship among the students of payame noor university of kurdistan. the volume of the samples was 1080 students (576 female and 504 male students). the research methodology...

2005
Yvonne Coady Russ Cox John DeTreville Peter Druschel Joseph Hellerstein Andrew Hume Kimberly Keeton Thu Nguyen Christopher Small Lex Stein Andrew Warfield

As the systems we build become more complex, understanding and managing their behavior becomes more challenging. If the system’s inputs are within an acceptable range, it will behave predictably. However, the system may “fall off the cliff” if input values are outside this range. This nonlinear behavior is undesirable, because the system no longer behaves predictably: it may not be possible to ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1390

تخمین دقیق مشخصات کانال در سیستم های مخابراتی یک امر مهم محسوب می گردد. این امر به ویژه در کانال های بیسیم با ‏خاصیت فرکانس گزینی و زمان گزینی شدید، چالش بزرگی است. مقالات متعدد پر از روش های مبتکرانه ای برای طراحی و آنالیز ‏الگوریتم های تخمین کانال است که بیشتر آنها از روش های خاصی استفاده می کنند که یا دارای عملکرد خوب با پیچیدگی ‏محاسباتی بالا هستند و یا با عملکرد نه چندان خوب پیچیدگی پایینی...

2009
Uri Gal

Research into the role of identity in organizations has become increasingly popular in recent years. Scholars from different organizational and management disciplines have applied the concept to address a wide variety of issues. In light of the concept’s broad applicability, we conduct a review of six prominent IS journals to examine the extent of the concept’s use in our field. Our review reve...

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