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Now showing items 5361-5370 of 10362
Towards understanding the effects of climatic and environmental factors on solar PV performance in arid desert regions (Qatar) for various PV technologies
(
IEEE
, 2012 , Conference Paper)
The sensitivity of various solar photovoltaic technologies to dust, temperature and relative humidity is investigated for Qatar's environment. Results obtained show that mono-crystalline PVs have efficiencies as high as ...
A real-time gradient aware multi-variable handheld urban scale air quality mapping IoT system
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
In outdoor urban scale air quality mapping, electrochemical sensors warm-up time, cross-sensitivity, geo-location typography, and energy efficiency are major challenges. These challenges lead to real-time gradient anomalies ...
Design and Implementation of a RF Based Anti-Drone System
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
Drones or unmanned aerial vehicles are having an increased popularity in all fields of applications such as transportation, traffic monitoring, military surveillance etc. However, this technology can be used for destruction ...
Secrecy Performance of Cooperative NOMA System with Multiple Full-Duplex Relays against Non-Colluding/Colluding Eavesdroppers
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
In 5G and beyond wireless communication net-works, non-orthogonal multiple access (NOMA) and Full-Duplex (FD) techniques are considered as promising key techniques. However, the secrecy in NOMA systems has proven to be ...
Design and Implementation of Cadastral Geo-spatial IoT Network Gateway Analyzer for Urban Scale Infrastructure Health Monitoring
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
Urban and global scale health monitoring systems have gained significance in digital ecosystems. Every stakeholder is striving for efficiency through performance analysis of digital infrastructure health monitoring (IHM) ...
Environmentally powered multiparametric wireless sensor node for air quality diagnostic
(
M Y U Scientific Publishing Division
, 2015 , Article)
Sensor networks dedicated to environmental monitoring have helped in the analysis of primal processes and have also provided vital hazard early warnings. At the same time, environmental energy is now becoming a popular ...
Study of the effects of dust, relative humidity, and temperature on solar PV performance in Doha: Comparison between monocrystalline and amorphous PVS
(
Taylor & Francis
, 2013 , Article)
The sensitivity of various solar photovoltaic technologies to dust, temperature, and relative humidity is investigated for Doha's environment. Results obtained show that monocrystalline photovoltaics (PVs) have efficiencies ...
Energy Efficient Real time Outdoor Air Quality Monitoring System
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
Outdoor air quality monitoring (OAQM) is of great importance to human health and environment. Engineers and researchers are increasingly focusing their efforts on the design of real-time OAQM systems using wireless sensor ...
Study of a ternary blend system for bulk heterojunction thin film solar cells
(
Institute of Physics Publishing
, 2016 , Article)
In this research, we report a bulk heterojunction (BHJ) solar cell consisting of a ternary blend system. Poly(3-hexylthiophene) P3HT is used as a donor and [6,6]-phenyl C61-butyric acid methylester (PCBM) plays the role ...
Nanoclay compatibilization of phase separated polysulfone/polyimide films for oxygen barrier
(
Elsevier Ltd
, 2017 , Article)
Polyimide (PI) and Polysulfone (PSF) films are used in many applications ranging from electronic film capacitors to membranes for gas separation and water purification, yet their phase separation issues limit many potential ...