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Browsing Electronic & Computer Engineering by Title

Browsing Electronic & Computer Engineering by Title

Now showing items 227-246 of 395

New adaptive speech enhancement system using a novel wavelet thresholding technique

Mahdi, Abdulhussain E.; Jafer, Essa (World Scientific and Engineering Academy and Society (WSEAS), 2004)

A new adaptive speech enhancement system, which utilizes a second-generation wavelet transform (SGWT) decomposition and a novel adaptive subband thresholding technique, is presented. The adaptive thresholding technique ...
A new fault tolerant architecture for time sensitive automation networks

Kleineberg, Oliver (University of Limerick, 2014)

Networked control systems have been widely used in Industrial Automation since the latter part of the 20st century. Such networks have evolved from small systems with proprietary and slow Fieldbus technology to a much ...
New single-ended objective measure for non-intrusive speech quality evaluation

Mahdi, Abdulhussain E.; Picovici, Dorel (Springer, 2010)

This article proposes a new output-based method for non-intrusive assessment of speech quality of voice communication systems and evaluates its performance. The method requires access to the processed (degraded) speech ...
New tools for easing system integration, deployment, monitoring and maintenance of ocean energy devices

Omerdić, Edin; Toal, Daniel; Finn, Paddy (European Association for the Development of Renewable Energies, Environment and Power Quality, 2010)

This paper describes a set of novel aiding tools and technologies for system integration, deployment, monitoring and maintenance of ocean energy devices. The main component of the system is smart remotely operated vehicle ...
NiO-TiO2 thick-films for detection of alcohol vapours at room temperature

Lyons, G.M.; Arshak, Khalil; Cavanagh, Leon M.; Gaidan, Ibrahim; Moore, Edward G.; Clifford, S.A.; Phelan, R.; Cunniffe, Colm; Harris, John A. (IEEE Computer Society, 2004)

The response of screen-printed thick-films of NiO/TiO2 to organic solvent vapours was studied. It was found that these films displayed a significant resistance change in response to the vapours even at room temperature. ...
Noise susceptibility of precision temperature sense architectures in highly integrated power converters

Murray, Derek M (University of Limerick, 2013)

The design specifications for power converters are getting continuously tighter, keeping pace with the ever-increasing power requirements of the loads they supply. A step-down DC-DC converter used in modern computing ...
Non-contact biopotential sensor for remote human detection

Mahdi, Abdulhussain E.; Faggion, Lorenzo (IOP Publishing, 2011)

This paper describes a new low-cost, low-noise displacement current sensor developed for non-contact measurements of human biopotentials and well suited for detection of human presence applications. The sensor employs a ...
Non-invasive haemoglobin monitoring by an LED based optical sensor system

Timm, Ulrich (University of Limerick, 2011)

During the perioperative period, which includes the period before surgery (preoperative), during surgery (intraoperative) and after surgery (postoperative), it is essential to measure diagnostic parameters such as: blood ...
Non-invasive optical real-time measurement of total hemoglobin content

Timm, Ulrich; Leen, Gabriel; Lewis, Elfed; McGrath, D.; Kraitl, J.; Ewald, H. (Elsevier, 2010)

Hemoglobin (Hb) is an important component of red blood cells. The primary function of Hb is to transport oxygen from the lungs to the body tissues and to carry carbon dioxide back to the lungs from the body tissues. The ...
A novel approach to electronic nose-head design, using a copper thin film electrode patterning technique

Arshak, Khalil; Cunniffe, Colm; Moore, Edward G.; Cavanagh, Leon M.; Harris, John A. (IEEE Computer Society, 2005)

Presented in this paper is a process for manufacturing copper electrode patterns on alumina substrates using thin film deposition, spin coating and printed circuit board (PCB) etching techniques. The process was used for ...
Novel optical fiber SPR temperature sensor based on MMF-PCF-MMF structure and gold PDMS film

Wang, Yong; Huang, Qing; Zhu, Wenjie; Yang, Minghong; Lewis, Elfed (Optical Society of America, 2018)

In this paper, a novel optical fiber temperature sensor based on surface plasmon resonance (SPR) is presented. The sensor consists of multimode fiber-photonic crystal fiber-multimode fiber (MMF-PCF-MMF) structure coated ...
A novel pole–zero compensation scheme using unbalanced differential pairs

Ryan, Adrian P.; McCarthy, Oliver (IEEE Computer Society, 2004)

The main problem in extending continuous-time filtering to higher frequencies is the sensitivity of high-frequency filters to analog integrator nonidealities such as finite dc gain and parasitic poles. The use of a ...
Novel real-time adaptive control of multiple co-located acoustic sensors for ocean mapping and other hydrographical applications

Thurman, Edward W. (University of Limerick, 2009)

In this thesis a novel approach to the management of multiple payload sonar systems is described. The objective of this study is the design, development, and experimental verification of an automated system that facilitates ...
A novel security protocol attack detection logic with unique fault discovery capability for freshness attacks and interleaving session attacks

Jurcut, Anca; Coffey, Tom; Dojen, Reiner (IEEE Computer Society, 2017)

This paper introduces a new logic-based technique for detecting security protocol weaknesses that are exploitable by freshness and interleaving session attacks. This technique is realised as a special purpose logic to be ...
Novel smart inspection-class ROV for use in challenging conditions

Capocci, Romano (University of Limerick, 2018)

In this thesis, a novel smart inspection-ROV is described. The research addresses the need for a highly-capable ROV with abilities to carry out close-quarters inspections of marine renewable energy installations in their ...
An objective measure of noseband tightness and Its measurement using a novel digital tightness gauge

Doherty, Orla M.; Conway, Thomas; Conway, Richard; Murray, Gerard; Casey, Vincent (Public Library of Science, 2017)

Noseband tightness is difficult to assess in horses participating in equestrian sports such as dressage, show jumping and three-day-eventing. There is growing concern that nosebands are commonly tightened to such an extent ...
On scalability of particular optimisation

Piccand, Sebastien; O'Neill, Michael; Walker, Jacqueline (IEEE Computer Society, 2008)
On the computation of the maximal structured singular value for aeronautical applications

Halton, Mark; Hayes, Martin J. (IEEE Computer Society, 2002)

This paper considers the necessary transformations and the computational issues associated ...
On the correct modeling of semiconductor optical amplifier RIN and phase noise for optical phase shift keyed communication systems

Janer, Carlos L.; Connelly, Michael J. (Optical Society of America, 2010)

Phase modulation schemes are attracting much interest for use in ultra-fast optical communication systems because they are much less affected by fiber nonlinearities than conventional modulation formats. Semiconductor ...
On the effect of text messaging on student perception of instructor immediacy

Hayes, Paul (University of Limerick, 2010)

The quality of the communication between instructors and students has been shown to be one of the key factors in the quality of the learning experience of students. However, as is often the case in higher education, ...

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