نتایج جستجو برای: electrooptical device
تعداد نتایج: 679268 فیلتر نتایج به سال:
background and purpose: many workers are exposed to workplace hazards. many occupational diseases are preventable by personal protective devices (ppds). though many workers do not use ppds or their protection by ppds is not sufficient. this study was designed to assess the quality of ppds usage among industrial workers. materials and methods: in a cross-sectional study, 648 workers from four ma...
The Laser Applications at Accelerators network (LA3NET) is a pan-European project that has received 4.6 M€ of funding from the European Union's 7th Framework Programme. It closely links research into lasers and accelerators to develop advanced particle sources, new accelerating schemes, and in particular beyond state-ofthe-art beam diagnostics. This contribution summarizes the research achievem...
The photoinduced alignment of ferroelectric liquid crystals (FLCs) onto photochemically stable azo-dye films was studied. The alignment quality of FLC display cells depends mainly on the difference between the FLC surface energy and the aligning substrates surface energy; however, the structure and thickness of FLC layers are also important. The effect of the thickness of photoaligning azodye l...
In this article we consider a path planning problem for a single fixed-wing aircraft performing an ISR (Intelligence Surveillance Reconnaissance) mission using EO (ElectroOptical) camera(s). We give a mathematical formulation of the general aircraft visual reconnaissance problem for static ground targets in terrain and show that, under simplifying assumptions, it can be reduced to a variant of ...
To monitor conformational changes of individual membrane transporters in liposomes in real time, we attach two fluorophores to selected domains of a protein. Sequential distance changes between the dyes are recorded and analyzed by Förster resonance energy transfer (FRET). Using freely diffusing membrane proteins reconstituted in liposomes, observation times are limited by Brownian motion throu...
چکیده ندارد.
An electro-optical proximity sensor capable of measuring the distance and two-dimensional orientation of an object’s surface is presented. The robustness of the sensor, targeted for utilization in robotic active sensing, is achieved via the development of a novel amplitude-modulated-based electrooptical transducer, an electronic-interface circuit that provides very good noise immunity and a wid...
The effect of an external electric field on the optical absorption of molecules in solution allows certain components of the polarizability tensors in the ground state and in excited electronic states to be determined. Electrooptical absorption measurements were performed on some aromatic hydrocarbons (anthracene, tetracene, perylene, bianthryl) and some tetraphenylpolyenes at different tempera...
Mixed-signal multidomain systems present a challenge for computer-aided design tools. Optical and electronic simulation tools are available as separate entities. However, to date, successful system-level cosimulation has not been implemented, leading to expensive refabrication. We present a unique system-level simulation tool for mixed electrooptical systems. We apply our tool Chatoyant to the ...
Abstract. Turbidity sensor for water treatment applications are based on scattered light measurement. The electrooptical characteristic of light emitter and detector has a close relationship with the environmental temperature. Fluctuations in water temperature can potentially affect electronic components and cause output signal errors in turbidity sensor. Decrease or eliminate temperature erro...
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