Sea-air boundary meteorological sensor

Jose G. Barbosa

doi:10.1117/12.2182677

23 May 2015 Sea-air boundary meteorological sensor

Jose G. Barbosa

Proceedings Volume 9456, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security, Defense, and Law Enforcement XIV; 94561D (2015) https://doi.org/10.1117/12.2182677
Event: SPIE Defense + Security, 2015, Baltimore, MD, United States

Abstract

The atmospheric environment can significantly affect radio frequency and optical propagation. In the RF spectrum refraction and ducting can degrade or enhance communications and radar coverage. Platforms in or beneath refractive boundaries can exploit the benefits or suffer the effects of the atmospheric boundary layers. Evaporative ducts and surface-base ducts are of most concern for ocean surface platforms and evaporative ducts are almost always present along the sea-air interface. The atmospheric environment also degrades electro-optical systems resolution and visibility. The atmospheric environment has been proven not to be uniform and under heterogeneous conditions substantial propagation errors may be present for large distances from homogeneous models. An accurate and portable atmospheric sensor to profile the vertical index of refraction is needed for mission planning, post analysis, and in-situ performance assessment. The meteorological instrument used in conjunction with a radio frequency and electro-optical propagation prediction tactical decision aid tool would give military platforms, in real time, the ability to make assessments on communication systems propagation ranges, radar detection and vulnerability ranges, satellite communications vulnerability, laser range finder performance, and imaging system performance predictions. Raman lidar has been shown to be capable of measuring the required atmospheric parameters needed to profile the atmospheric environment. The atmospheric profile could then be used as input to a tactical decision aid tool to make propagation predictions.

Citation Download Citation

Jose G. Barbosa "Sea-air boundary meteorological sensor", Proc. SPIE 9456, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security, Defense, and Law Enforcement XIV, 94561D (23 May 2015); https://doi.org/10.1117/12.2182677

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KEYWORDS

Atmospheric propagation

Radio propagation

Raman spectroscopy

LIDAR

Signal attenuation

Environmental sensing

Sensors

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