Search Results - "O'Hagan, Daniel W."

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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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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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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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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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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Evaluation of the ambiguity function for passive radar with OFDM transmissions by Searle, Stephen, Palmer, James, Davis, Linda, O'Hagan, Daniel W., Ummenhofer, Martin

“…The presence of clutter in passive radar returns imposes a minimum floor level on the ambiguity surface, masking weak returns and reducing dynamic range. When…”
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Elevation Pattern Analysis of Common Passive Bistatic Radar Illuminators of Opportunity by O'Hagan, Daniel W., Griffiths, Hugh D., Ummenhofer, S. Martin, Paine, Stephen T.

“…In this paper, the elevation coverage of common passive radar illuminators of opportunity is evaluated. In constructing radar performance metrics, it is…”
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Low Cost FPGA based Implementation of a DRFM System by Mesarcik, Michael B., O'Hagan, Daniel W., Paine, Stephen

“…Digital Radio Frequency Memory (DRFM) is a technique used to record an incoming Radio Frequency (RF) signal and apply series of time-delays, amplitude scalings…”
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How Noise Radar Technology Brings Together Active Sensing and Modern Electronic Warfare Techniques in a Combined Sensor Concept by Wasserzier, Christoph, Worms, Josef G., O'Hagan, Daniel W.

“…Research on modern EW algorithms follows a trend of increasing digital hardware implementations. The powerful features of these digital algorithms allow…”
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Signal reconstruction of DVB-T2 signals in passive radar by O'Hagan, Daniel W., Setsubi, Motlatsi, Paine, Stephen

“…Passive radar systems utilise existing transmitter infrastructure to perform target detections. The matched filter is obtained by recording a line-of-sight…”
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Overview of Electronic Attacks Against Passive Radar by O'Hagan, Daniel W., Paine, Stephen, Schupbach, Christof

“…Passive radars (PR) are becoming more popular in both commercial and research environments. If, as they are expected to, become deployed in military…”
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Electronic attacks on DVB-T-based passive radar systems by Schupbach, Christof, O'Hagan, Daniel W., Paine, Stephen

“…We investigate the vulnerabilities of digital video broadcast terrestrial (DVB-T) based passive radar systems against electronic attacks using the…”
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Analysis of Clutter for Passive Radar on Moving Platforms Using Tunable Q-factor Wavelet Transforms by Duk, Vichet, Wojaczek, Philipp, Cristallini, Diego, O'Hagan, Daniel W.

“…Passive radar systems on moving platforms suffer from Doppler-spread clutter that can mask moving targets of interest. Moreover, platform size restrictions…”
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