Optical beam forming for phased-array antennas [PDF]
, 2007 The activities of the Telecommunication Engineering (TE) group span the communications spectrum from copper cables, optical fibres, microwaves, radio and electromagnetic compatibility.
Borreman, A. +6 more
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Beamforming Techniques for Multichannel audio Signal Separation
, 2012 Beamforming is a signal processing technique. It has been studied in many areas such as radar, sonar, seismology and wireless communications, to name but a few.
Adel, Hidri +3 more
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Low Power Systolic Array Based Digital Filter for DSP Applications
The Scientific World Journal, 2015 Main concepts in DSP include filtering, averaging, modulating, and correlating the signals in digital form to estimate characteristic parameter of a signal into a desirable form.
S. Karthick, S. Valarmathy, E. Prabhu
doaj +1 more source
A Wideband, Four-Element, All-Digital Beamforming System for Dense Aperture Arrays in Radio Astronomy [PDF]
, 2010 Densely-packed, all-digital aperture arrays form a key area of technology development required for the Square Kilometre Array (SKA) radio telescope. The design of real-time signal processing systems for digital aperture arrays is currently a central ...
Adami, Kristian Zarb +2 more
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Wideband array signal processing
, 2003 Array processing has played an important role in many diverse application areas such as radar, sonar, radio astronomy, seismology, tomography, speech, communication etc. As early as World War II,phased array radars have been used. Most modern radar and sonar systems rely on antenna arrays or hydrophone arrays as an essential component to estimate the ...
Ng, Boon Poh, Ma, Chang Zheng
openaire +1 more source
Rapid Target Search Method for Distributed Aperture Radar via Role Reversal
IET Radar, Sonar & NavigationDistributed aperture radar (DAR) systems encounter significant computational challenges in near‐field target detection because of the large synthesised equivalent apertures which drastically increase scan cell dimensionality and processing complexity. To
Jing Chen, Wen Fan, Qun Wan
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Noncoherent Channel Combining for GNSS Signal Tracking with an Adaptive Antenna Array
Remote SensingAdaptive antenna arrays are widely used to protect Global Navigation Satellite System (GNSS) receivers from interference. However, conventional blind anti-jamming array processing methods can cause satellite signal attenuation, which reduces signal ...
Song Li +4 more
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Cost-effective aperture arrays for SKA Phase 1: single or dual-band?
, 2012 An important design decision for the first phase of the Square Kilometre Array is whether the low frequency component (SKA1-low) should be implemented as a single or dual-band aperture array; that is, using one or two antenna element designs to observe ...
Colegate, T. M. +2 more
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Broadband phased array antenna steering by means of coherent signal combining in an integrated ring resonator-based optical beamformer [PDF]
, 2008 A squint-free, continuously tunable optical beamformer for broadband phased array receive antennas is proposed. The complete system is demonstrated, including E/O and O/E conversions, and optical signal processing.
Etten, W.C. van +7 more
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Further development of an indium antimonide (InSb)Charge-Coupled Infrared Imaging Device (CCIRID), 20-element linear imager [PDF]
Problems encountered in the development of an indium antimonide charge coupled device for infrared imaging and real time signal processing on the focal plane are summarized. A new generation chip is described which contains, 2, 4, and 20-element imagers,
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