University of Kansas John D. Paden Jan 26, 2003 Sandbox Calibration.
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University of Kansas John D. Paden Jan 26, 2003 Sandbox Calibration
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University of Kansas Sky shot w/o 6 dB attenuator (40 cm)
Transcript of University of Kansas John D. Paden Jan 26, 2003 Sandbox Calibration.
University of Kansas
John D. PadenJan 26, 2003
Sandbox Calibration
University of Kansas
Sky shot w/o 6 dB attenuator (10 cm)
15 20 25 30 35 40 45 50 55 60-70
-60
-50
-40
-30
-20
-10
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Sky shot w/o 6 dB attenuator (40 cm)
15 20 25 30 35 40 45 50 55 60-80
-70
-60
-50
-40
-30
-20
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Sky shot w/o 6 dB attenuator (70 cm)
15 20 25 30 35 40 45 50 55 60
-80
-70
-60
-50
-40
-30
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Sky shot w/ 6 dB attenuator (10 cm)
15 20 25 30 35 40 45 50 55 60-70
-60
-50
-40
-30
-20
-10
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Sky shot w/ 6 dB attenuator (40 cm)
15 20 25 30 35 40 45 50 55 60-80
-70
-60
-50
-40
-30
-20
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Sky shot w/ 6 dB attenuator (70 cm)
15 20 25 30 35 40 45 50 55 60
-80
-70
-60
-50
-40
-30
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Mixed sky shots (10 cm)
15 20 25 30 35 40 45 50 55 60-70
-60
-50
-40
-30
-20
-10
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Mixed sky shots (40 cm)
15 20 25 30 35 40 45 50 55 60-80
-70
-60
-50
-40
-30
-20
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Mixed sky shots (70 cm)
15 20 25 30 35 40 45 50 55 60
-80
-70
-60
-50
-40
-30
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Clutter over 60 cm (10 cm)
15 20 25 30 35 40 45 50 55 60-70
-60
-50
-40
-30
-20
-10
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Clutter over 60 cm (40 cm)
15 20 25 30 35 40 45 50 55 60-80
-70
-60
-50
-40
-30
-20
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Clutter over 60 cm (70 cm)
15 20 25 30 35 40 45 50 55 60
-80
-70
-60
-50
-40
-30
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Clutter over 270 cm (10 cm)
15 20 25 30 35 40 45 50 55 60-70
-60
-50
-40
-30
-20
-10
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Clutter over 270 cm (40 cm)
15 20 25 30 35 40 45 50 55 60-80
-70
-60
-50
-40
-30
-20
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Clutter over 270 cm (70 cm)
15 20 25 30 35 40 45 50 55 60
-80
-70
-60
-50
-40
-30
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Clutter over 2x270 cm (10 cm)
15 20 25 30 35 40 45 50 55 60-70
-60
-50
-40
-30
-20
-10
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Clutter over 2x270 cm (40 cm)
15 20 25 30 35 40 45 50 55 60-80
-70
-60
-50
-40
-30
-20
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Clutter over 2x270 cm (70 cm)
15 20 25 30 35 40 45 50 55 60
-80
-70
-60
-50
-40
-30
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Clutter w/ sky (10 cm)
15 20 25 30 35 40 45 50 55 60-70
-60
-50
-40
-30
-20
-10
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Clutter w/ sky (40 cm)
15 20 25 30 35 40 45 50 55 60-80
-70
-60
-50
-40
-30
-20
Range bin
dB
CoherentIncoherentTotal
University of Kansas
Clutter w/ sky (70 cm)
15 20 25 30 35 40 45 50 55 60
-80
-70
-60
-50
-40
-30
Range bin
dB
CoherentIncoherentTotal
University of Kansas
SNR of sky shot w/o 6 dB attenuator
10 20 30 40 50 60 70
40
45
50
55
60
65
70
75
SNR
Range Bin
dB
10 cm40 cm70 cm
University of Kansas
SNR of clutter over 270 cm
10 20 30 40 50 60 70 80 90
40
45
50
55
60
65
70
75
80
SNR
Range Bin
dB
10 cm40 cm70 cm
University of Kansas
Metal Raw-data
-120
-100
-80
-60
-40
-20
Antenna Position 10-70 cm
Ran
ge B
in
Target at range bin 53
5 10 15 20 25
10
20
30
40
50
60
University of Kansas
Metal Tube
-0.4 -0.2 0 0.2 0.4 0.6 0.8
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
x (meters)
dept
h (m
eter
s)
-20
-10
0
10
20
30
40
50
University of Kansas
Metal Tube (w/o sky compensation)
-30
-20
-10
0
10
20
30
40
50
-0.4 -0.2 0 0.2 0.4 0.6 0.8
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
cross-track (meters)
dept
h (m
eter
s)
University of Kansas
Metal Tube (zoomed in)
-20
-10
0
10
20
30
40
50
-0.1 0 0.1 0.2 0.3 0.4 0.5-0.6
-0.58
-0.56
-0.54
-0.52
-0.5
-0.48
-0.46
-0.44
x (meters)
dept
h (m
eter
s)
25 .062
25.062
29.0929
29.0929
29.0929
29.0929
29.0929
33.1238
33.1238
33.1238
33.1238
33.123837.1546
37.1546
37.1546
37.1546
37.1546
41.1855
41.18
5545
.2163
45.2163
49.247253.278
29.0929
25.062
33.1238
25.062
57.3089
21.0312
21.0
312
37.1546
29.0929
University of Kansas
Air-filled Raw-data
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
Antenna Position 10-70 cm
Ran
ge B
in
Target at range bin 53
5 10 15 20 25
10
20
30
40
50
60
University of Kansas
Air-filled Tube
10
20
30
40
50
60
-0.4 -0.2 0 0.2 0.4 0.6 0.8-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
University of Kansas
Air-filled Tube (w/o sky comp.)
10
20
30
40
50
60
cross-track (meters)
dept
h (m
eter
s)
-0.4 -0.2 0 0.2 0.4 0.6 0.8-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
University of Kansas
-20
-10
0
10
20
30
40
0.05 0.1 0.15 0.2 0.25 0.3 0.35
-0.6
-0.58
-0.56
-0.54
-0.52
-0.5
-0.48
x (meters)
dept
h (m
eter
s) 25.6622
29.463531.364232.3145
35.16
5 5
University of Kansas
Final
10
20
30
40
50
60
across-track (meters)
alon
g-tr
ack
(met
ers)
-0.4 -0.2 0 0.2 0.4 0.6 0.8-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
University of Kansas
Final (w/o sky compensation)
10
20
30
40
50
60
cross-track (meters)
alon
g-tr
ack
(met
ers)
-0.4 -0.2 0 0.2 0.4 0.6 0.80
0.5
1
1.5
2
2.5
3
