Current status of new equipment for meteorological measurements in support of electro-optical testing

Robert W. Smith

doi:10.1117/12.210608

2 June 1995 Current status of new equipment for meteorological measurements in support of electro-optical testing

Robert W. Smith

Proceedings Volume 2469, Targets and Backgrounds: Characterization and Representation; (1995) https://doi.org/10.1117/12.210608
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

Over the past several years, the author has reported to SPIE on several new instruments designed to provide important atmospheric measurements for electro-optical field testing. These include the millimeter wave transmissometer, the small portable infrared and visible transmissometer (SPOT), and the HOLODAR optical scintillometer. These instruments have reached either full operational status or have successfully completed the prototype phase. These instruments are described and examples of their data are presented. For the millimeter wave transmissometer, data showing performance in both rain and snow are presented with precipitation rate and drop size distribution and with comparisons to FASCODE calculations. For the SPOT, data from the visible and infrared regions are shown with comparisons with our older Barnes system and MODTRAN. The HOLODAR scintillometer data are compared to the NOAA/Lockheed scintillometer. Finally, the new trailers which house these instruments and their data processing systems along with the more standard meteorological data system are described. The resulting completely self contained mobile capability is available to support testing at any location.

Citation Download Citation

Robert W. Smith "Current status of new equipment for meteorological measurements in support of electro-optical testing", Proc. SPIE 2469, Targets and Backgrounds: Characterization and Representation, (2 June 1995); https://doi.org/10.1117/12.210608

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KEYWORDS

Signal attenuation

Calibration

Extremely high frequency

Fourier transforms

Electro optics

Electro-optic testing

Meteorology

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