Work Package 2

1
Work Package 2 Overview of instrumentation,
data gathering and calibration issues
Calibration of the Galileo 94GHz radar two
years of data
Nicolas Gaussiat and Robin Hogan
Progress meeting 3 Reading 24-25 Oct 2002
2
Calibration technique(Robin et al. paper)
Calibrated
Uncalibrated
3
Calibration results
From May 1999 to March 2002
Calibration constant to be added to the raw data
(/- 1dB)
4
Coherent processing toward more accuracy ?
1 sec average
30 sec average
5
Identified problem Noise subtraction vs. peak
detection
Measured signal power True signal power
Measured signal power ltlt True signal power
6
Data availability
http//www.met.reading.ac.uk/radar/cloudnet/data/
Covering period March 2001 March 2002
Monthly .tar.gz files Coherent
processing YYYYMM_chilbolton-galileo.tar.gz Incoh
erent processing YYYYMM_chilbolton-galileo_i.tar.
gz