Radar backscatter measurement accuracy for a spaceborne pencil-beam wind scatterometer with transmit modulation

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Permanent URL	http://hdl.lib.byu.edu/1877/1096
Title	Radar backscatter measurement accuracy for a spaceborne pencil-beam wind scatterometer with transmit modulation
BYU Creator	Long, David G.
Creator	Spencer, Michael W.
Keywords	atmospheric techniques; meteorological radar; radar cross-sections; radar theory; remote sensing by radar; spaceborne radar; wind;
Description/Abstract	Scatterometers are remote sensing radars designed to measure near-surface winds over the ocean. The difficulties of accommodating traditional fan-beam scatterometers on spacecraft has lead to the development of a scanning pencil-beam instrument known as SeaWinds. SeaWinds will be part of the Japanese Advanced Earth Observing Satellite II (ADEOS-II) to be launched in 1999. To analyze the performance of the SeaWinds design, a new expression for the measurement accuracy of a pencil-beam system is required. In this paper the authors derive a general expression for the backscatter measurement accuracy for a pencil-beam scatterometer which includes the effects of transmit signal modulation with simple power detection. Both separate and simultaneous signal+noise and noise-only measurements are considered. The utility of the new expression for scatterometer design tradeoffs is demonstrated using a simplified geometry. A separate paper, ibid., 1997, describes detailed tradeoffs made to develop the SeaWinds design.
Source	Long, D. G., and M. W. Spencer. "Radar Backscatter Measurement Accuracy for a Spaceborne Pencil-Beam Wind Scatterometer with Transmit Modulation." Geoscience and Remote Sensing, IEEE Transactions on 35.1 (1997): 102-14;
Publisher	IEEE
Date Original	1997-01
Language	English eng en
Publication Type	Peer-Reviewed Articles
Type	Text
Format	application/pdf
Owning Institution	Brigham Young University
BYU College	Ira A. Fulton College of Engineering and Technology
BYU Department	Electrical and Computer Engineering
Copyright Status	(c) 1997 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.;
Copyright Use Information	http://www.lib.byu.edu/generic_copyright.html

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Radar backscatter measurement accuracy for a spaceborne pencil-beam wind scatterometer with transmit modulation

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