13 October 2011 Minimising the costs of next generation aperture synthesis passive millimetre wave imagers
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Abstract
This paper examines the sourcing of low cost components for next generation passive millimetre wave (PMMW) aperture synthesis imagers. Splitting the elements of the imager into antennas/receivers, analogue to digital converters (ADCs), digital signal processors (DSP) and a host computer, technologies are identified that can minimise the cost of these in future systems. It is established that the follow-on aperture PMMW imagers can be constructed at relatively low cost, using a combination of low frequency (< 30 GHz) satellite receiver technology, high-speed clocked comparators, DSP (both Field Programmable Gate Arrays (FPGAs) and Graphical Processor Units (GPUs)) and the latest personal computers that use high-speed high lane count PCI Express Bus technology.
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Neil A. Salmon, Peter N. Wilkinson, Christopher T. Taylor, Med Benyezzar, "Minimising the costs of next generation aperture synthesis passive millimetre wave imagers", Proc. SPIE 8188, Millimetre Wave and Terahertz Sensors and Technology IV, 818808 (13 October 2011); doi: 10.1117/12.899309; https://doi.org/10.1117/12.899309
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