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An improved model for the dielectric constant of sea water at microwave frequencies
Open accessAbstract
The advent of precision microwave radiometry has placed a stringent requirement on the accuracy with which the dielectric constant of sea water must be known. To this end, measurements of the dielectric constant have been conducted atS-band andL-band with a quoted uncertainty of tenths of a percent. These and earlier results are critically examined, and expressions are developed which will yield computations of brightness temperature having an error of no more than 0.3 K for an undisturbed sea at frequencies lower thanX-band. At the higher microwave and millimeter wave frequencies, the accuracy is in question because of uncertainties in the relaxation time and the dielectric constant at infinite frequency.
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Cites
Dispersion and Absorption in Dielectrics I. Alternating Current Characteristics
Cole, K. S., & Cole, R. H. (1941) · The Journal of Chemical Physics · doi:10.1063/1.1750906 · Cited by 10,152
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Tutorial on Remote Sensing Using GNSS Bistatic Radar of Opportunity
Zavorotny, V. U., Gleason, S., Cardellach, E., & Camps, A. (2014) · IEEE Geoscience and Remote Sensing Magazine · doi:10.1109/mgrs.2014.2374220 · Cited by 522
Dielectric properties of freshwater ice at microwave frequencies
Matzler, C., & Wegmuller, U. (1987) · Journal of Physics D: Applied Physics · doi:10.1088/0022-3727/20/12/013 · Cited by 295
Metadata
- Authors
- Klein, L., & Swift, C.
- Venue
- IEEE Transactions on Antennas and Propagation
- Published
- 1977-01
- Volume
- 25
- Issue
- 1
- Pages
- 104-111
- ISSN
- 0018-926X (ISSN-L)
- 1558-2221
- OpenAlex
- W2165827997
- Cited by
- 902
- References
- 1
- FWCI
- 5.92
- Type
- journal article
- Language
- en
- Open access
- green
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- Klein, L., & Swift, C. (1977). An improved model for the dielectric constant of sea water at microwave frequencies. IEEE Transactions on Antennas and Propagation. https://doi.org/10.1109/tap.1977.1141539
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