DocumentCode
3551632
Title
RF electronics digital chirp for the Spaceborne Imaging Radar-C instrument
Author
Huneycutt, B.L.
Author_Institution
Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA
fYear
1991
fDate
10-14 July 1991
Firstpage
1151
Abstract
The SIR-C (Spaceborne Imaging Radar-C) RF electronics subsystem generates the multifrequency RF signals to drive the antenna distributed array high-power amplifiers. The digital frequency step chirp signals are designed to allow flexibility in the selection of radar parameters such a range bandwidth to improve resolution, and pulsewidth to reduce DC power usage.<>
Keywords
digital circuits; driver circuits; microwave imaging; pulse generators; radar equipment; remote sensing by radar; RF electronics; Spaceborne Imaging Radar-C instrument; antenna distributed array; chirp generator; digital chirp; high-power amplifiers; multifrequency RF signals; Antenna arrays; Chirp; Distributed power generation; Drives; High-resolution imaging; Multifrequency antennas; Pulse amplifiers; Radio frequency; Signal generators; Spaceborne radar;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Symposium Digest, 1991., IEEE MTT-S International
Conference_Location
Boston, MA, USA
ISSN
0149-645X
Print_ISBN
0-87942-591-1
Type
conf
DOI
10.1109/MWSYM.1991.147221
Filename
147221
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