Search Results - "O'Hagan, Daniel"

Effects of Movement for High Time-Bandwidths in Batched Pulse Compression Range-Doppler Radar by Bok, Dominik, O'Hagan, Daniel, Knott, Peter

“…Radar detection and track building performance is an essential part of a radar system. A high realized coherent integration gain often contributes to an…”
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Capabilities and challenges of passive radar systems based on broadband low‐Earth orbit communication satellites by Blázquez‐García, Rodrigo, Cristallini, Diego, Ummenhofer, Martin, Seidel, Viktor, Heckenbach, Jörg, O’Hagan, Daniel

“…Recently, several constellations of broadband low‐Earth orbit communication satellites, such as Starlink or OneWeb, have started to be deployed to provide…”
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A Three-Stage Inter-Channel Calibration Approach for Passive Radar on Moving Platforms Exploiting the Minimum Variance Power Spectrum by Wojaczek, Philipp, Cristallini, Diego, O'Hagan, Daniel W, Colone, Fabiola, Blasone, Giovanni Paolo, Lombardo, Pierfrancesco

“…Research in passive radar has moved its focus towards passive radar on moving platforms in recent years with the purpose of moving target indication and ground…”
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Evaluating the Performance of FM-Based PCL Radar in the Presence of Jamming by Paine, Stephen, O'Hagan, Daniel W., Inggs, Michael, Schupbach, Christof, Boniger, Urs

“…In this paper, we examine an FM-based passive coherent location (PCL) radar system and attempt to quantify its performance in the presence of various different…”
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Probability of Helicopter Blade Flash Interception in Search Radar by Berndt, Robert John, Nel, Willem Andries Jacobus, Gaffar, Mohammed Yunus Abdul, O'Hagan, Daniel W.

“…Helicopter main rotor blade flashes in radar measurements are an often-used feature for target classification. While focus is often placed on being able to…”
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Dealing with co‐channel interference in multi‐channel airborne passive radar by Cristallini, Diego, Summers, Ashley, Wojaczek, Philipp, Young, Robert, O'Hagan, Daniel

“…We address the problem of co‐channel interference (CCI) in multi‐channel airborne passive radars using digital broadcast signals of opportunity. A framework…”
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Airborne Passive Radar Detection for the APART-GAS Trial by Duk, Vichet, Wojaczek, Philipp, Rosenberg, Luke, Cristallini, Diego, O'Hagan, Daniel W.

“…In recent years, passive radar has been investigated for airborne applications in imaging and detection of ground targets. There are challenges with detection…”
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Statistical Analysis of Clutter for Passive Radar on an Airborne Platform by Duk, Vichet, Cristallini, Diego, Wojaczek, Philipp, O'Hagan, Daniel W.

“…A statistical analysis of clutter distribution supports the design and informs the performance of radar system. While extensive work on clutter statistics from…”
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Wideband Direction of Arrival Estimation using Monopulse in Rotman Lens Beamspace by Kohler, Michael, Saam, Alexander, Worms, Josef, O'Hagan, Daniel W., Bringmann, Oliver

“…In this paper, an efficient and responsive amplitude-based wideband Direction of Arrival (DoA) estimation approach using a multiple beam antenna setup is…”
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Comparison of DVB-T Passive Radar Simulated and Measured Bistatic RCS Values for a Pilatus PC-12 Aircraft by Speirs, Peter J, Ummenhofer, Martin, Schüpbach, Christof, Renker, Matthias, Wellig, Peter, Cristallini, Diego, O'Hagan, Daniel W, Kohler, Michael, Murk, Axel

“…Passive radar is a technology that has huge potential for airspace monitoring, taking advantage of existing transmissions. However, to predict whether…”
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Statistical Analysis of Bistatic Radar Ground Clutter for Different German Rural Environments by Kohler, Michael, O’Hagan, Daniel W., Weiss, Matthias, Wegner, David, Worms, Josef, Bringmann, Oliver

“…This article presents the statistical analysis of bistatic radar rural ground clutter for different terrain types under low grazing angles. Compared to most…”
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Radar detectability of light aircraft micro‐Doppler modulation by Berndt, Robert John, Abdul Gaffar, Mohammed Yunus, Nel, Willem Andries Jacobus, O’Hagan, Daniel W.

“…The critical role of specifying micro‐Doppler mode performance in the modelling and development of modern radar systems is investigated. The authors focus on…”
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A new airborne network concept to improve air navigation safety by Crespi, Ferran Valdes, Sandenbergh, Stephan, Schell, Jochen, O'Hagan, Daniel, Knott, Peter

“…This conceptual paper investigates the data exchange of on-board weather radar data of commercial passenger and cargo aircraft to improve weather coverage and…”
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Delay Estimation for Time Synchronization of a Bistatic Transfer Function Measurement Setup to Single Received Pulses by Kohler, Michael, Saam, Alexander, Worms, Josef, O'Hagan, Daniel W., Novacek, Jan, Bringmann, Oliver

“…In this paper, an efficient novel two-staged signal processing approach to synchronize a receiver to single received pulses is presented. Based on delay…”
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External Timebase Trials for Phase Coherency of a Bistatic Transfer Function Measurement Setup by Kohler, Michael, Weiss, Matthias, Saam, Alexander, Worms, Josef, O'Hagan, Daniel W., Bringmann, Oliver

“…In this paper a comparison between several external timebase references for clock synchronization and phase coherency between the transmitter and receiver of a…”
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K-space signal occupancy of Starlink signals and their applications in passive radar imaging by Cristallini, Diego, Blazquez-Garcia, Rodrigo, O'Hagan, Daniel

“…In this paper, the possibility to exploit Starlink satellites as illuminators of opportunity for passive inverse synthetic aperture radar is investigated…”
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Efficient generation of endogenous protein reporters for mouse development by O'Hagan, Daniel, Kruger, Robin E., Gu, Bin, Ralston, Amy

“…ABSTRACT Fluorescent proteins and epitope tags can reveal protein localization in cells and animals, yet the large size of many tags hinders efficient genome…”
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Direction of Arrival Estimation Techniques for Passive Radar based 3D Target Localization by Ummenhofer, Martin, Kohler, Michael, Schell, Jochen, Ohagan, Daniel W.

“…This paper presents a comparative analysis of direction of arrival (DOA) estimation techniques for the application in a linear antenna array of a passive…”
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Passive Radar Architecture based on Broadband LEO Communication Satellite Constellations by Blazquez-Garcia, Rodrigo, Ummenhofer, Martin, Cristallini, Diego, O'Hagan, Daniel

“…This work addresses the exploitation of novel low Earth orbit (LEO) satellite constellations deployed to provide global and broadband internet access as…”
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Fluorescent Reporters Distinguish Stem Cell Colony Subtypes During Somatic Cell Reprogramming by Moauro, Alexandra, Kruger, Robin E, O'Hagan, Daniel, Ralston, Amy

“…Somatic cell reprogramming was first developed to create induced pluripotent stem (iPS) cells. Since that time, the highly dynamic and heterogeneous nature of…”
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