نتایج جستجو برای: predesign procedure
تعداد نتایج: 615998 فیلتر نتایج به سال:
Scenarios are a very popular means for describing and analyzing behavioral aspects on the level of natural language. In information systems design, they form the basis for a subsequent step of conceptual dynamic modeling. To enhance this step, linguistic instruments prove applicable for transforming scenarios into conceptual schemas of various models. This transformation usually consists of thr...
Optical Sciences Corporation has designed and implemented a 116 inch exit pupil relief optical system for dynamic infrared scene projection to flight table mounted seekers at the U.S. Army Missile Command (AMCOM) Research, Development, and Engineering Center (RDEC). The optical system collimates the output from a 512x512 element resistor array in the 35μm waveband. The large pupil stand-off is ...
This is an overview of a hybrid power plant design and predesign analysis, including microgas turbine with heat recovery, high-temperature fuel cell, carbon dioxide capture system. A installation model presented, taking into account the compatibility technological limitations main components. The material balance calculation performed depending on input parameters under partial load conditions....
Wireless sensor/actuator networks (WSANs) is one of promising technologies in agriculture domain, since WSANs achieve significant simplification in wiring and reduction of maintenance complexity and costs. So far, researchers have presented various WSAN based applications in agriculture domain such as farm control and monitoring, precision irrigation, traceability management, etc. However, thes...
Construction projects are often subject to scheduling errors caused by uncertainty and systematic planning fallacies. This paper evaluates the prediction accuracy of CatBoost expert intuition predict duration public construction in predesign phase. The authors use a dataset city New York (USA) with 367 projects. Both compared performance indicator Mean Absolute Error (MAE) absolute preferrence....
This paper briefly summarises the evolution of Agile Project Management (APM) and differentiates it from lean and agile production and ‘leagile’ construction. The significant benefits being realized through employment of APM within the information systems industry are stated. The characteristics of APM are explored, including: philosophy, organizational attitudes and practices, planning, execut...
Abstractions like generalization and aggregation (part-ofions like generalization and aggregation (part-of relationship, component-object relationship) are substantial concepts for managing complexity in information systems design. In this paper we concentrate on the disambiguation of the component/object relation in contrast to possession and attribution as far as these types of relation can b...
In present, conventional system concepts for laser line-of-sight communications, mechanical coarseand ne-pointing units have to be implemented, resulting in a massive and bulky setup. Taking advantage of the phased array's inertia-free steering capability reduces the requirements on the ne-pointing mechanism and could even make it unnecessary. We are currently designing, breadboarding and testi...
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