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EP1183549B1 |
METHOD AND DEVICE FOR MEASURING VELOCITY BY DOPPLER EFFECT
Abstract not available for EP1183549 Abstract of corresponding document: FR2794247 A method and device for measuring at least one object by Doppler effect, whereby the light which is diffused by...
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7265832 |
Optical flow meter for measuring gases and liquids in pipelines
An optical system design for measuring the velocity of fluids flowing through pipes or other conduits is disclosed. The optical system is comprised of a means for delivering two beams through a...
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EP1525484B1 |
OPTICAL AIR DATA MEASUREMENT SYSTEM AND METHOD
Abstract not available for EP1525484 Abstract of corresponding document: WO2004012994 Systems and methods for sensing air outside a moving aircraft are presented. In one embodiment, a system...
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7106447 |
Molecular optical air data systems (MOADS)
A first beam of light from a laser is split by a beam splitter into a reference beam and at least one second beam of light, the latter of which is directed from an optical head into an atmosphere....
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6894768 |
Optical air data systems and methods
Systems and methods for sensing air outside a moving aircraft are presented. In one embodiment, a system includes a laser for generating laser energy. The system also includes one or more...
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6587200 |
Method of measuring particle sizes
The invention relates to a process for measuring particle size by measuring the attenuation of radiation after its passage through a defined measuring section containing a disperse system....
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6542226 |
Planar particle imaging and doppler velocimetry system and method
A planar velocity measurement system ( 100 ) is operative to measure all three velocity components of a flowing fluid ( 106 ) across an illuminated plane ( 108 ) using only a single line of sight....
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6522397 |
Method and a device for measuring speed by the doppler effect
A method and device for measuring the speed of at least one object by Doppler effect, whereby the light diffused by an object illuminated by a laser sheet is transmitted to a CCD video camera by...
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6433861 |
Method and apparatus for a non-invasive measurement of the velocity of a gas or a fluid medium
A method for non-invasive measurement of the velocity of a medium selected from either a gas or a fluid at an examination location by boosting atoms and molecules of the medium into an excited...
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EP0764274B1 |
FLUID VELOCITY MEASUREMENT APPARATUS
Abstract not available for EP0764274 Abstract of corresponding document: US5982478 PCT No. PCT/GB96/01278 Sec. 371 Date Feb. 19, 1997 Sec. 102(e) Date Feb. 19, 1997 PCT Filed Jun. 2, 1995 PCT Pub....
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EP1158300A2 |
Fluid velocity measurement apparatus
Fluid velocity measurement apparatus which utilises Doppler-shift spectral analysis includes a narrow line width light source (1), the light from which passes through a beam expander (3) to provide...
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6320651 |
Method and apparatus for determining a velocity
A velocity such as wind velocity is measured based on a Doppler shift of a backscattered or returned laser signal. The Doppler shift of the backscattered beam is determined from a change in the...
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5982478 |
Fluid velocity measurement apparatus
Fluid velocity measurement apparatus which utilizes Doppler-shift spectral analysis includes a narrow line width light source, the light from which passes through a beam expander to provide an...
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