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Optical method for measuring bed topography and flow depth in an experimental flume
Optical method bed topography flow depth experimental flume
2014/12/31
We describe an optical method known as moiré for acquiring quasi-simultaneous measurements of bed topography and flow depth in laboratory experiments. The moiré method is based on projecting a fringe ...
Measuring the Echo Amplitudes of Sporadic E layer in Swept Frequency Ionospheric Sounding
ionosphere signals receving systerm receiver
2009/6/18
Measuring the Echo Amplitudes of Sporadic E layer in Swept Frequency Ionospheric Sounding.
Measuring earthquakes from optical satellite images
Measuring earthquakes optical satellite images
2014/4/15
Syste` me pour l’Observation de la Terre images are used to map ground displacements induced by earthquakes. Deformations~offsets!induced by stereoscopic effect and roll, pitch, and yaw of satellite a...