94 GHz FMCW cloud radar

P. G. Huggard; M. L. Oldfield; B. P. Moyna; B. N. Ellison; D. N. Matheson; A. J. Bennett; C. Gaffard; T. Oakley; J. Nash

doi:10.1117/12.800347

2 October 2008 94 GHz FMCW cloud radar

P. G. Huggard, M. L. Oldfield, B. P. Moyna, B. N. Ellison, D. N. Matheson, A. J. Bennett, C. Gaffard, T. Oakley, J. Nash

Author Affiliations +

Proceedings Volume 7117, Millimetre Wave and Terahertz Sensors and Technology; 711704 (2008) https://doi.org/10.1117/12.800347
Event: SPIE Security + Defence, 2008, Cardiff, Wales, United Kingdom

Abstract

A compact, solid state, zenith looking 94 GHz meteorological radar is described. Samples of the reflectivity data obtained from representative samples of hydrometeors, including cirrus cloud and fog, are presented. This bistatic FMCW radar delivers continuous information on the distribution and thickness of cloud layers, permitting accurate determination of the cloud base altitude and upper limit. The maximum range is 16 km, with a corresponding resolution of 30 m: both range and averaging time are user selectable in ranges 2-16 km and 5-60 s respectively. A radiated millimetre wave power of below 200 mW yields a dynamic range of over 60 dB in the received signal.

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P. G. Huggard, M. L. Oldfield, B. P. Moyna, B. N. Ellison, D. N. Matheson, A. J. Bennett, C. Gaffard, T. Oakley, and J. Nash "94 GHz FMCW cloud radar", Proc. SPIE 7117, Millimetre Wave and Terahertz Sensors and Technology, 711704 (2 October 2008); https://doi.org/10.1117/12.800347

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