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Now showing items 81-90 of 263
Study of π-conjugation effect of organic semiconductors on their optical parameters
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Elsevier B.V.
, 2016 , Article)
Metal free organic semiconductor “7,16-bis(3,3-dimethyl-3H-indol-2-yl)-5,14-dihydrodibenzo [b,i][1,4,8,11] tetraazacyclotetradecine” and metal free with extended π-conjugation organic semiconductor “8,19-bis(3,3-dimethyl ...
A wireless oxygen saturation and heart rate monitoring and alarming system based on the Qatar early warning scoring system
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Institute of Electrical and Electronics Engineers Inc.
, 2016 , Conference Paper)
Monitoring vital signs and alarming healthcare emergency response units whenever measurements are outside the normal range could be life-saving for high-risk patients who are living alone or sleeping. This paper presents ...
Multiple comparator classifier framework for accelerometer-based fall detection and diagnostic
(
Elsevier Ltd
, 2016 , Article)
There are a significant number of high fall risk individuals who are susceptible to falling and sustaining severe injuries. An automatic fall detection and diagnostic system is critical for ensuring a quick response with ...
A differential protection technique for multi-terminal HVDC
(
Elsevier Ltd
, 2016 , Article)
This paper presents a technique for differential protection of Multi-terminal High Voltage Direct Current (MTHVDC) transmission lines. The proposed technique depends on the electrical current data at both ends of each line ...
Detection, classification, and estimation in the (t, f ) domain
(
Elsevier Inc.
, 2016 , Book chapter)
Several studies involving real-life applications have shown that methods for the detection, estimation, and classification of nonstationary signals can be enhanced by utilizing the time-frequency ((t,f)) characteristics ...
Automatic signal abnormality detection using time-frequency features and machine learning: A newborn EEG seizure case study
(
Elsevier B.V.
, 2016 , Article)
Time-frequency (TF) based machine learning methodologies can improve the design of classification systems for non-stationary signals. Using selected TF distributions (TFDs), TF feature extraction is performed on multi-channel ...
A twelve-pulse line commutated converter drive system with vsi for starting up and active power filtering
(
Institution of Engineering and Technology
, 2016 , Conference Paper)
Variable frequency drives (VFDs) are an integral component of the industry these days. VFDs provide a wide range of control over equipment such as, electrical motors and generators, and can be integrated in several ...
Modelling of DC-DC converters with continuous input current for high power PV applications
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Institute of Electrical and Electronics Engineers Inc.
, 2016 , Conference Paper)
Renewable Energy sources integration to the grid is becoming more vital due to the market share increase. The integration of PV farms, for instance, usually requires a DC-DC conversion stage to boost up the source voltage. ...
Time-frequency methodologies in neurosciences
(
Elsevier Inc.
, 2016 , Book chapter)
This chapter presents a number of time-frequency (t,f) techniques that can provide advanced solutions to several problems in neuro-sciences with focus on the monitoring of brain abnormalities using EEG and other physiological ...
Protocol design and stability analysis of cooperative cognitive radio users
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Institute of Electrical and Electronics Engineers Inc.
, 2016 , Conference Paper)
A single cognitive radio transmitter-receiver pair shares the spectrum with two primary users communicating with their respective receivers. Each primary user has a local traffic queue, whereas the cognitive user has three ...