2008年07月25日(金) 23:54
Question about Error Measurement
Question & Answer
PiCUS Sonic Tomograph
◆PiCUS can not measure Split or Open Cavity correctly.
◆PiCUS does not measures all the tree section
area, but measures some smaller area.
Question & Answer
PiCUS Sonic Tomograph
◆PiCUS can not measure Split or Open Cavity correctly.
◆PiCUS does not measures all the tree section
area, but measures some smaller area.
2008年07月24日(木) 23:10
PiCUS Q & A No.807241 Absolute speed, Relative speed
Q & A

Absolute Speed Measurement path Cinnamomum camphora
Fuijimori park Hachioji CityTokyo 2005/01/20

2D Tomogram Cinnamomum camphora
Fuijimori park Hachioji CityTokyo 2005/01/20
Q1: Advise measurement principle of
PiCUS Sonic Tomograph especially kind of
speed measurement.
Does PiCUS measure Absolute time of flight
between Sensors?
A: Yes PiCUS measures the
Absolute Propagation Time
between all the sensors and then
compares with most first speed (relatively)
of each points.
By this algorythm, PiCUS can exactly draw the
precise TOMOGRAM = distribution of wood density.
Q & A

Absolute Speed Measurement path Cinnamomum camphora
Fuijimori park Hachioji CityTokyo 2005/01/20

2D Tomogram Cinnamomum camphora
Fuijimori park Hachioji CityTokyo 2005/01/20
Q1: Advise measurement principle of
PiCUS Sonic Tomograph especially kind of
speed measurement.
Does PiCUS measure Absolute time of flight
between Sensors?
A: Yes PiCUS measures the
Absolute Propagation Time
between all the sensors and then
compares with most first speed (relatively)
of each points.
By this algorythm, PiCUS can exactly draw the
precise TOMOGRAM = distribution of wood density.


