Transcript Intro to SAR and Range Migration

YINSAR
BYU Interferometric
Synthetic Aperture Radar)
Microwave Earth Remote Sensing Lab
BYU-MERS 97
The Comptuer
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About the Computer
 P133
CPU
 2.1 Gbyte removable, 3 Gb fixed hard drive
 128 Meg RAM
 2-500 MHz A to D cards
 DSP card
 DtoA card
 Timing Card
 1024 RAM on MEM-500 card
 Custom Interface card
 etc etc
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The RF Box
Tom Looking in the RF Box
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About the RF box
 GPS
unit
 Little Star microcontroller
– inteface to laptop, computer
– controls power supplies
 Miteq
RF unit
 +5, +15, +12, etc power supplies
 600 W max power consumption
 10W power amplifier
 etc, etc.
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Microstrip Slot Antenna Array Design
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YINSAR Antenna
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About the Antennas
1
for transmit, two for receive
 10*4 microstrip slot antennas
 9.9 GHz
 tapered feed system
 milled aluminum back plane
 8 degree main lobe, 18 dB side lobes
 etc, etc
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Motion Measurement
Photo-INU, Trimble, etc
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About Motion Measurement
 INU
unit, accurate to 50uG
 differential GPS
 role, pitch, yaw, etc
 Required accuracy is ????
 Expected accuracy is ???
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The YINSAR Team
Group Picture Needed
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About the YINSAR team
 Students
– Doug Thompson  Team
Leader and PhD candidate
– Tom Karlinsy - MSEE, April 1997
– Adam Robertson - MSEE, Aug 1997
– James Bates - MSEE, Aug 1997
 Faculty Advisors
– David Long - System Design
– David Arnold - Theory and Application
– Mike Jensen - Antenna Design
BYU-MERS 97