Advanced control and processing capabilities in the aquarius scatterometer flight electronics

The Aquarius mission requirement for 0.1 dB scatterometer measurement stability has driven the radar's control and processing hardware design. Two new aspects of the flight electronics that contribute toward the overall stability will be discussed in this paper: 1) a high- rate radar timing mod...

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Bibliographic Details
Main Authors: Fischman, M.A., McWatters, D.A., Berkun, A.C., Cheetham, C.M., Chu, A.J., Duong, V.A., Freedman, A.P., Hausmann, R.W., Jourdan, M.N., Kang, E.C., Kobzeff, P.A., Paller, M.
Format: Conference Proceeding
Language:English
Subjects:
Aerospace electronics
digital square-law detection
fiberoptic delay
field-programmable gate array (FPGA)
Hardware
loopback calibration
Process control
Process design
Radar measurements
Radar scattering
Radar timing
radiation tolerance
Radio frequency
radio-frequency interference (RFI) mitigation
Radiofrequency interference
Stability
Timing
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Description
Summary:The Aquarius mission requirement for 0.1 dB scatterometer measurement stability has driven the radar's control and processing hardware design. Two new aspects of the flight electronics that contribute toward the overall stability will be discussed in this paper: 1) a high- rate radar timing mode for verifying performance on the ground, and 2) an onboard processor for flagging echoes corrupted by radio-frequency interference (RFI).
ISSN:2153-6996
2153-7003
DOI:10.1109/IGARSS.2007.4423965