Results 31 to 40 of about 315,772 (315)
Mode Couplers and Converters Based on Dual-Core Hollow-Core Photonic Bandgap Fiber
IEEE Photonics Journal, 2018 We propose mode couplers and converters based on dual-core hollow-core photonic bandgap fiber (HC-PBGF) structures, which might be potential solutions for integrated all-fiber multiplexers or demultiplexers of a mode-division multiplexed (MDM ...
Simeng Han +5 more
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A neural network approach to smarter sensor networks for water quality monitoring [PDF]
, 2012 Environmental monitoring is evolving towards large-scale and low-cost sensor networks operating reliability and autonomously over extended periods of time.
Fiona Regan +9 more
core +1 more source
Facial Expression Recognition From Image Sequence Based on LBP and Taylor Expansion
IEEE Access, 2017 The aim of an automatic video-based facial expression recognition system is to detect and classify human facial expressions from image sequence. An integrated automatic system often involves two components: 1) peak expression frame detection and 2 ...
Yuanyuan Ding +3 more
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Life Cycle Support for Sensor Network Applications [PDF]
, 2007 Developing applications for sensor networks is a challenging task. Most programming systems narrowly focus on programming issues while ignoring that programming represents only a tiny fraction of the typical life cycle of an application.
Urs Bischoff +3 more
core +1 more source
EDFA Anti-Irradiation Schemes for Inter-Satellite Optical DPSK Communication Systems
IEEE Photonics Journal, 2019 The uprising of rare-earth-doped fiber amplifier technology provides an effective solution to signal power compensation for interstellar optical communication systems, but significant signal power attenuation induced by spatial irradiation has ever been ...
Baoluo Yan +7 more
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A twist sensor based on polarization-maintaining fibers with different cladding diameters
Nanotechnology and Precision Engineering, 2021 A fiber twist sensor using a Sagnac interferometer incorporating a tapered polarization-maintaining fiber (PMF) is proposed. The transmission properties of the sensor are investigated both theoretically and experimentally.
Xiaoqi Liu, Yange Liu, Zhi Wang
doaj +1 more source
Environmental sensor networks [PDF]
Computer, 2004 The developments in wireless network technology and miniaturization makes it possible to realistically monitor the natural environment. Within the field of environmental sensor networks, domain knowledge is an essential fourth component. Before designing and installing any system, it is necessary to understand its physical environment and deployment in
Kirk Martinez, Jane K. Hart, Royan Ong
openaire +2 more sources
A biologically-inspired approach to designing wireless sensor networks
, 2005 In this paper, we contend that there are significant advantages in treating some classes of sensor networks as biological-like systems-- both in structural design characteristics and in operational processes.
Haddadi, H. +3 more
core +1 more source
A biosensor based on a modified S-taper fiber for target protein detection
Nanotechnology and Precision Engineering, 2020 A biosensor based on a modified S-taper fiber was proposed and experimentally demonstrated for antigen detection. Antibody was immobilized over the activated S-taper waist, where the fiber detected the interaction between the antibody and target antigen.
Xiaoqi Liu, Yange Liu, Zhi Wang
doaj +1 more source
Propagation characteristics of photonic crystal fibers selectively filled with ionic liquid
Nanotechnology and Precision Engineering, 2021 We present a numerical and experimental study of the propagation characteristics of photonic crystal fibers (PCFs) selectively filled with ionic liquid (IL; 1-butyl-3-methylimidazolium iodine).
Xiaoqi Liu, Yange Liu, Zhi Wang
doaj +1 more source