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Proceedings Paper

Millimetre-Wavelength Pulse Propagation Through The Earth's Atmosphere
Author(s): C. J. Gibbins
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Paper Abstract

The effects on pulse propagation at millimetre wavelengths of both atmospheric absorption and dispersion are calculated. For subnanosecond pulses, severe broadening of the pulse occurs at frequencies near to atmospheric absorption lines, whilst around the centres of such lines, in regions where the second derivative of the absorption coefficient is negative, pulse compression is found to occur. Furthermore, the frequency at which maximum energy in the pulse is received shifts from the carrier frequency towards regions of lower atmospheric attenuation, while the pulse itself acquires a modulation in the form of a chirp frequency.

Paper Details

Date Published: 18 November 1989
PDF: 2 pages
Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); doi: 10.1117/12.978535
Show Author Affiliations
C. J. Gibbins, Rutherford Appleton Laboratory (UK)

Published in SPIE Proceedings Vol. 1039:
13th Intl Conf on Infrared and Millimeter Waves
Richard J. Temkin, Editor(s)

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