Search Results - "Griffiths, H.D."

High-sensitivity detection of narrowband light in a more intense broadband background using coherence interferogram phase by Coutinho, R.C., Selviah, D.R., Griffiths, H.D.

“…This paper describes an optical interferometric detection technique, known as the interferogram phase step shift, which detects narrowband, coherent, and…”
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Variable numerical-aperture temporal-coherence measurement of resonant-cavity LEDs by Coutinho, R.C., Selviah, D.R., Oulton, R.F., Gray, J.W., Stavrinou, P.N., Griffiths, H.D., Parry, G.

“…The first interferometric measurements of temporal-coherence length variation with numerical aperture (NA) are described for 650 nm, resonant-cavity…”
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Frequency diverse array radars by Antonik, P., Wicks, M.C., Griffiths, H.D., Baker, C.J.

“…This paper presents a generalized structure for a frequency diverse array radar. In its simplest form, the frequency diverse array applies a linear phase…”
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Multi-mission multi-mode waveform diversity by Antonik, P., Wicks, M.C., Griffiths, H.D., Baker, C.J.

“…Previously, the authors presented a novel method for achieving range-dependent beamforming through the use of a frequency diverse array. The frequency diverse…”
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Bistatic radar using satellite-borne illuminators by Griffiths, H.D, Baker, C.J, Baubert, J, Kitchen, N, Treagust, M

“…Bistatic radar has long been recognised as an interesting variant of radar, with a number of potential advantages for air defence. Space-based radar is seen by…”
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Measurement and analysis of ambiguity functions of passive radar transmissions by Griffiths, H.D., Baker, C.J.

“…Passive coherent location (PCL) radar systems make use of broadcast or communications 'illuminators of opportunity' in a bistatic configuration. In order to…”
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Narrow band high resolution radar imaging by Coetzee, S.L., Baker, C.J., Griffiths, H.D.

“…We present a technique for generating imagery with high spatial resolution but from low bandwidth radar transmissions. The high spatial resolution is obtained…”
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Target Model Effects on MIMO Radar Performance by Sammartino, P.F., Baker, C.J., Griffiths, H.D.

“…A simple comparison between "spatial MIMO" (multiple input-multiple output), "frequency MIMO", and coherent netted radar systems shows that better performance…”
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Detection of coherent light in an incoherent background [for IRST] by Coutinho, R.C., French, H.A., Selviah, D.R., Wickramasinghe, D., Griffiths, H.D.

“…Detection of a laser emission in daylight clutter in infrared search and track systems is usually carried out by measuring the energy from the scene in the…”
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Aspect dependent drivers for multi-perspective target classification by Vespe, M., Baker, C.J., Griffiths, H.D.

“…In this paper, a 2-D classifier using radial basis function neural networks (RBFNNs) has been implemented combining two imageries collected by different…”
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New directions in bistatic radar by Griffiths, H.D.

“…Bistatic radar has a history which dates back to the very earliest days of radar itself. It has been remarked that interest in bistatic radar has been cyclic,…”
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Netted radar and the ambiguity function by Papoutsis, I., Baker, C.J., Griffiths, H.D.

“…In this paper, the key performance parameters of multistatic radar are investigated, via the netted version of the ambiguity function. A new tool has been…”
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Multi-perspective target classification by Vespe, M., Baker, C.J., Griffiths, H.D.

“…Traditional radar classification is based on a single aspect view of the target. It is remarkably sensitive to the particular direction under which the target…”
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Sidelobe response of antennas to short pulse signals by Griffiths, H.D., Cullen, A.L.

“…We consider the waveforms of signals received in the sidelobe region of antenna, when the signals are of very short duration. It is shown that the output…”
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From a different perspective: principles, practice and potential of bistatic radar by Griffiths, H.D.

“…Bistatic radar systems have been studied and built since the earliest days of radar. They have the advantages that the receivers are passive, and hence…”
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Scattering centre extraction for extended targets by Borrion, H., Griffiths, H.D., Tait, P., Money, D., Baker, C.J.

“…In this paper, we consider the estimation of scattering centre parameters for the case of extended targets. In general, models are tested on synthetic targets…”
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Developments in Modern Synthetic Aperture Radar by Griffiths, H.D.

“…Since their origins in the 1950s, the techniques of synthetic aperture radar have come a long way, and SAR is now routinely used, both from satellites for…”
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Phased array radar resource management: a comparison of scheduling algorithms by Miranda, S.L.C., Baker, C.J., Woodbridge, K., Griffiths, H.D.

“…Scheduling is an important sub-problem of radar resource management as there is a strong correlation between how tasks should be carried out and the time…”
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Adaptive MIMO radar system in clutter by Sammartino, P.F., Baker, C.J., Griffiths, H.D.

“…In this paper we describe an adaptive CFAR algorithm for detection in a MIMO radar system operating in K-distributed clutter. We provide a statistical…”
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A new pulse compression technique generating optimal uniform range sidelobe and reducing integrated sidelobe level by Woo-Kyung Lee, Griffiths, H.D.

“…A novel pulse compression technique is developed that produces an optimal uniform range sidelobe of the ideal Barker code level. The newly obtained sidelobe…”
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