نتایج جستجو برای: sensor design
تعداد نتایج: 1123216 فیلتر نتایج به سال:
This paper explores end-user sensor installation for domestic ubiquitous computing applications and proposes five design principles to support this task. End-user sensor installation offers several advantages: it can reduce costs, enhance users’ sense of control, accommodate diverse deployment environments, and increase users’ acceptance of the technology. The five design principles are develop...
Wireless sensor networks have emerged as an exciting technology for a wide range of important applications that acquire and process information from the physical world. Grid computing has evolved as a standards-based approach for coordinated resource sharing. Sensor grids combine these two promising technologies by extending the grid computing paradigm to the sharing of sensor resources in wire...
پیشرفت های اخیر در زمینه ی سنسور، شبکه و تکنولوژی باعث بوجود آمدن مفهوم جدیدی شده که sensor web نامیده می شود.sensor web مجموعه ای از سنسورهای نامتشابه، هوشمند و توزیع شده در وب می باشد که برای کاوش و جستجوی محیط اطراف به کار می روند. یکی از موارد اساسی تاثیرگذار در تصمیم گیری مدیر بحران، دریافت بر خط داده از سنسور و نیز تعبیر درست از داده های دریافتی می باشد. به طور کلی، جنبه کلیدی مدیریت داده...
fluorescence chemical sensors for the highly sensitive and selective determination of pb2+ , hg2+, co2+ and fe3+ ions in aqueous solutions are described. the ion sensing system was prepared by incorporating lipophilic ligand (l) as a neutral ion-selective fluoroionophore in the plasticized pvc membrane containing sodium tetraphenylborate or potasium tetrakis (p-chlorophenyl) borate as a liphoph...
In this project, we design new language abstractions in better support of sensor network programming. Sensor network has received wide attention from both academia and industry in recent years. As a somewhat entertaining testament, a recent special issue of TIME magazine (“WHAT’S NEXT”, Fall 2003) has singled out sensor network as one of the few technologies ready to bring revolution to the hig...
This paper presents an ultra-low-power single-chip sensor-node VLSI for wireless-sensor-network applications. A communication centric design approach has been introduced to reduce the power consumption of the RF circuits and the entire sensor network system, through a vertical cooperative design among circuits, architecture, and communication protocols. The sensor-node LSI features a synchronou...
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