Post on 02-Jan-2016
description
Investigation
of Acoustic Sensors to Detect
Richard MankinAubrey MooreRobert BourgeoisRoland Quitugua
Coconut Rhinoceros Beetle in Guam
Time (s)
Fre
quen
cy (
kHz)
1
2
3
Rel
ativ
e A
mpl
itude
Expanded View of Grub Signals Detected in Rearing Box
Time (minutes : seconds)
Periods of Stridulation by Grubs are noted at 1 (red) and 5 (blue)
1
2
3
Fre
quen
cy (
Hz)
Rel
ativ
e A
mpl
itude
Expanded View of a Grub Stridulation Event
Time (minutes : seconds)
1
2
3
Fre
quen
cy (
Hz)
Rel
ativ
e A
mpl
itude
Further Expansion of a Grub Stridulation Event
Time (minutes : seconds)
1
2
3
Fre
quen
cy (
Hz)
Rel
ativ
e A
mpl
itude
Signals Recorded from Grubs in Decaying Log near Oka Point
Time (s)Stridulations
1
2
3
Fre
quen
cy (
Hz)
Rel
ativ
e A
mpl
itude
10-s Period of Adult Beetle Sounds Recorded in Small Coconut Palm
Time (s)
1
2
3
Fre
quen
cy (
Hz)
Rel
ativ
e A
mpl
itude
Background noise
Adult Beetle Stridulation in Laboratory
Stridulations Time (s)
1
2
3
Fre
quen
cy (
Hz)
Rel
ativ
e A
mpl
itude
Expanded View of Single Stridulation by an Adult CRB
Time (s)
1
2
3
Fre
quen
cy (
Hz)
Rel
ativ
e A
mpl
itude
15-s Period of Adult CRB Activity in Small Coconut Palm
1
2
3
Fre
quen
cy (
Hz)
Rel
ativ
e A
mpl
itude
Time (s)