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All Outputs (414)

Snell's law for nonlinear beams (2011)
Presentation / Conference
Christian, J., McDonald, G., Sanchez-Curto, J., & Chamorro-Posada, P. (2011, June). Snell's law for nonlinear beams. Poster presented at SEE Celebration of Research, University of Salford, Greater Manchester, UK

The refraction of plane waves at a uniform boundary between dissimilar linear dielectric materials is perhaps one of the oldest and best-understood phenomenon in optics. In contrast, the behaviour of a beam with a finite transverse cross-section is m... Read More about Snell's law for nonlinear beams.

Noisy human neighbours affect where urban monkeys live (2011)
Journal Article
Duarte, M., Vecci, M., Hirsch, A., & Young, R. (2011). Noisy human neighbours affect where urban monkeys live. Biology Letters, 7(6), https://doi.org/10.1098/rsbl.2011.0529

Urban areas and many natural habitats are being dominated by a new selection pressure: anthropogenic noise. The ongoing expansion of urban areas, roads and airports throughout the world makes the noise almost omnipresent. Urbanization and the increas... Read More about Noisy human neighbours affect where urban monkeys live.

Modeling factors influencing the capacity of motorway merge sections controlled by ramp metering (2011)
Presentation / Conference
sections controlled by ramp metering. Presented at 6th International Symposium on Highway Capacity and Quality of Service, Stockholm, Sweden

This paper focuses on studying factors which are likely to affect motorway merge capacity when ramp metering controls are in use. A newly developed traffic micro-simulation model has been used for this purpose and the well known ALINEA and Demand-Cap... Read More about Modeling factors influencing the capacity of motorway merge sections controlled by ramp metering.

ANN-based model to identify noticed sound events. A tool for inclusion in action plans against environmental noise in urban environments (2011)
Presentation / Conference
Torija Martinez, A., Ruiz, D., & Ramos-Ridao, A. (2011, June). ANN-based model to identify noticed sound events. A tool for inclusion in action plans against environmental noise in urban environments. Presented at 6th Forum Acusticum, organized by the European Acoustics Association (EAA), Aalborg, Denmark

Over recent years, acoustic pollution has become a common problem for urban environments and its treatment one of the new challenges in environmental policy. In this framework, the enactment of the European Directive on Environmental Noise Management... Read More about ANN-based model to identify noticed sound events. A tool for inclusion in action plans against environmental noise in urban environments.

Recording spatial audio signals for interactive broadcast systems (2011)
Presentation / Conference
Batke, J., Spille, J., Kropp, H., Kordon, S., Abeling, S., Shirley, B., & Oldfield, R. (2011, June). Recording spatial audio signals for interactive broadcast systems. Presented at 6th Forum Acusticum, organized by the European Acoustics Association (EAA), Aalborg, Denmark

Spatial audio processing is a key feature of the European funded FascinatE project. The FascinatE project will develop a system to allow end-users to interactively navigate and view around an ultra-high resolution video panorama showing a live event,... Read More about Recording spatial audio signals for interactive broadcast systems.

A simple multiband approach for solving frequency dependent problems in numerical time domain methods (2011)
Presentation / Conference
Sheaffer, J., Fazenda, B., Murphy, D., & Angus, J. (2011, June). A simple multiband approach for solving frequency dependent problems in numerical time domain methods. Presented at Forum Acusticum, Aalborg, Denmark

With the rapid growth of computational power and recent advances in GP-GPU technology, numerical time domain methods are becoming increasingly popular for room acoustics applications due to their accuracy, simplicity and ease of implementation.... Read More about A simple multiband approach for solving frequency dependent problems in numerical time domain methods.

Simulating transient scattering from obstacles with frequency-dependent surface impedance (2011)
Presentation / Conference
Hargreaves, J. (2011, June). Simulating transient scattering from obstacles with frequency-dependent surface impedance. Presented at Forum Acusticum, Aalborg, Denmark

This paper presents an algorithm which couples the time domain Boundary Element Method (BEM) with a digital filter surface model. This aims to achieve the same extent of applicability and accuracy for transient sounds as is available for time-harmon... Read More about Simulating transient scattering from obstacles with frequency-dependent surface impedance.

Genotyping of Toxoplasma gondii isolates from cats in different geographic regions of China. (2011)
Journal Article
ZW, C., JM, G., XX, H., L, W., L, Y., F, H., …ZR, L. (2011). Genotyping of Toxoplasma gondii isolates from cats in different geographic regions of China. Veterinary Parasitology, 183(1-2), 166-170. https://doi.org/10.1016/j.vetpar.2011.06.013

Fourteen isolates of Toxoplamsa gondii were isolated from cats from 4 different geographic provinces (Anhui, Hubei, Shanxi and Guangdong) in China and their genetic diversity with 8 nuclear loci SAG2, SAG3, BTUB, GRA6, L358, PK1, c22-8, c29-2, and an... Read More about Genotyping of Toxoplasma gondii isolates from cats in different geographic regions of China..

In-situ powder neutron diffraction study of non-stoichiometric phase formation during the hydrogenation of Li3N (2011)
Journal Article
Bull, D., Sorbic, N., Moser, D., Telling, M., Smith, R., Gregory, D., & Ross, D. (2011). In-situ powder neutron diffraction study of non-stoichiometric phase formation during the hydrogenation of Li3N. Faraday Discussions, 151, https://doi.org/10.1039/c0fd00020e

The hydrogenation of Li3N at low chemical potential has been studied in situ by time-of-flight powder neutron diffraction and the formation of a nonstoichiometric Li4_2xNH phase and Li4NH observed. The results are interpreted in terms of a model for... Read More about In-situ powder neutron diffraction study of non-stoichiometric phase formation during the hydrogenation of Li3N.

A robotic needle interface for interventional radiology training (2011)
Presentation / Conference
Hughes, C., & John, N. (2011, June). A robotic needle interface for interventional radiology training. Presented at The 4th Hamlyn Symposium for Medical Robotics, Imperial College, London, UK

Interventional Radiology (IR) provides a minimally invasive method for accessing vessels and organs as an alternative to traditional open surgery. By manipulating coaxially a catheter and guidewire through the vascular system, a range of pathologies... Read More about A robotic needle interface for interventional radiology training.

The value of naturalistic urban planting in Runcorn, UK (2011)
Presentation / Conference
Wallbank, N., & James, P. (2011, June). The value of naturalistic urban planting in Runcorn, UK. Poster presented at College of Science and Technology Research Showcase, University of Salford

“Ecosystem services” is increasingly recognised as a concept that can aid sustainability of ecosystems, and there is a drive to include this concept into planning and policy practices. The aim of this research is to identify the ecosystem services of... Read More about The value of naturalistic urban planting in Runcorn, UK.

College of Science & Technology - research showcase (2011)
Presentation / Conference
Various. (2011, June). College of Science & Technology - research showcase. Poster presented at College of Science and Technology Research Showcase, University of Salford

A collection of poster abstracts from the College of Science & Technology 'Research Showcase' event held on 16 June 2011 in Upper Maxwell Hall, University of Salford.

Propagation and stability of two-colour spatial optical solitons (2011)
Presentation / Conference
Bostock, C., Christian, J., & McDonald, G. (2011, June). Propagation and stability of two-colour spatial optical solitons. Presented at College Research Showcase Day, University of Salford, Greater Manchester, UK

Two-colour spatial solitons comprise coupled nonlinear optical beams at two distinct temporal frequencies [1]. The components (which may be bright-like and/or dark-like) are localized in space and tend to overlap, thereby allowing the interplay betw... Read More about Propagation and stability of two-colour spatial optical solitons.

Relativistic & pseudo-relativistic connections in optical pulse propagation (2011)
Presentation / Conference
Christian, J., McDonald, G., Lundie, M., & Lancaster, G. (2011, June). Relativistic & pseudo-relativistic connections in optical pulse propagation. Poster presented at College Research Showcase Day, University of Salford, Greater Manchester, UK

We explore a more complete model for describing the evolution of scalar optical pulses in generic nonlinear waveguides. The electromagnetic wave envelope satisfies a dimensionless equation that is of the Helmholtz type. Our approach is to retain the... Read More about Relativistic & pseudo-relativistic connections in optical pulse propagation.

Arbitrary-angle scattering of spatial solitons from dielectric optical interfaces (2011)
Presentation / Conference
McCoy, E., Christian, J., & McDonald, G. (2011, June). Arbitrary-angle scattering of spatial solitons from dielectric optical interfaces. Poster presented at College Research Showcase Day, University of Salford, Greater Manchester, UK

Wave–interface phenomena appear throughout Nature and are intrinsically angular in character. For instance, the behaviour of light waves at material boundaries underpins the entire field of optics. The seminal works on nonlinear beam refraction [1]... Read More about Arbitrary-angle scattering of spatial solitons from dielectric optical interfaces.

The role of boundary conditions in kaleidoscope laser modes (2011)
Presentation / Conference
McDonald, G., Christian, J., & Huang, J. (2011, June). The role of boundary conditions in kaleidoscope laser modes. Poster presented at College Research Showcase Day, University of Salford, Greater Manchester, UK

The complex character of transverse eigenmodes in one-dimensional (1D) unstable cavity lasers has been known for many years [1]. Early collaborations showed that the origin of such fractal (i.e., multiple spatial scale) structure lies in a subtle int... Read More about The role of boundary conditions in kaleidoscope laser modes.

Cavity-enhanced broadband light generation (2011)
Presentation / Conference
Rose, C., McDonald, G., & Christian, J. (2011, June). Cavity-enhanced broadband light generation. Poster presented at College Research Showcase Day, University of Salford, Greater Manchester, UK

Broadband (multiline frequency) light combs present a wealth of applications, ranging from meteorology, sensing and measurements to those potentially in the domain of attosecond science. We report here on detailed investigations of, what we believe... Read More about Cavity-enhanced broadband light generation.

A new framework for online rule threshold adjustment in intrusion detection (2011)
Presentation / Conference
Moghimi, M., & Saraee, M. (2011, June). A new framework for online rule threshold adjustment in intrusion detection. Presented at 2011 CSI International Symposium on Computer Science and Software Engineering (CSSE), Tehran

Generally, rule-based systems work to make sense of a large volume of alerts generated by the intrusion detection systems (IDSs) every minute. Hence, it is very significant to verify that these systems are error-free and that the rules are suitable f... Read More about A new framework for online rule threshold adjustment in intrusion detection.