نتایج جستجو برای: adaptive systems
تعداد نتایج: 1344661 فیلتر نتایج به سال:
خصوصیات هر سطح گسترده ی موجود در تصاویر sar به وسیله ی ضریب بازپراکنش (?^0) و بافت آن سطح قابل شناسایی است. اما دقت برآورد این پارامترها در هر پیکسل از این تصاویر توسط پدیده نویزگون speckle کاهش می یابد. این پدیده که حاصل برهم نهی سازنده یا ویرانگر امواج بازپراکنش شده از سطح جسم می باشد، در تصویر به صورت لکه های روشن و تاریک دیده می شود. وجود speckle در تصاویر sar تا حدی اجتناب ناپذیر است که می...
Complex systems have been studied by researchers from every discipline: biology, chemistry, physics, sociology, mathematics and economics and more. Depending upon the discipline, complex systems theory has accrued many flavors. We are after a formal representation, a model that can predict the outcome of a complex adaptive system (CAS). In this article, we look at the nature of complexity, then...
چکیده در این پایاننامه ابتدا فضاهای متریک فازی را به صورت مشاهدهگرایانه بررسی میکنیم. فضاهای متریک فازی و توپولوژی تولید شده توسط این متریک معرفی شدهاند. سپس بر اساس فضاهایی که در فصل اول معرفی شدهاند آشوب توپولوژیکی، مینیمالیتی و مجموعههای متقاطع در شیوههای مختلف بررسی شده- اند. در فصل سوم مفهوم مجموعههای جاذب فازی به عنوان یک مفهوم پایهای در سیستمهای نیم-دینامیکی نسبی، تعریف شده است. ...
Background & Aim: Nurses' organizational loyalty to health systems plays an important role in expanding organizational performance. Investigating the role of factors such as citizenship behaviors and adaptive performance can be helpful in this regard. The aim of the present study was to investigate the relationship between citizenship behavior and adaptive performance with organizational loyalt...
In recent years, active filters have been considered and developed for elimation of harmonics in power networks. Comparing with passive, they are smaller and have better compensating characteristics and resistance to line distortions. In this paper, a novel idea based on adaptive filter theory in presented to develop an active filter to eliminate the distortions of an arbitrary signal. Using th...
this study proposes a combination of a fuzzy sliding mode controller (fsmc) with integral-proportion-derivative switching surface based superconducting magnetic energy storage (smes) and pid tuned by a multi-objective optimization algorithm to solve the load frequency control in power systems. the goal of design is to improve the dynamic response of power systems after load demand changes. in t...
In this paper we consider the co-evolutionary dynamics of IS engagement where episodic change of implementation increasingly occurs within the context of linkages and interdependencies between systems and processes within and across organisations. Although there are many theories that interpret the various motors of change be it lifecycle, teleological, dialectic or evolutionary, our paper atte...
In this paper we consider the commensurability of complex adaptive systems theory and actor-network theory to study co-evolutionary dynamics of IS emergence. We argue that the theories are defensible meta-theoretically when deployed from the philosophical position of critical realism. We provide a brief example drawn from a case study into the emergence of the phenomenon of research management ...
This paper is concerned with the engineering of systems that are themselves comprised of other component systems, and where each of the component systems serves organizational and human purposes. These component purposes may be locally managed and optimized independently, or nearly so, of the objectives to be met by the composite system. There are a number of inherent characteristics of these s...
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