Atmospheric characterization systems and methods
US-11879981-B2 · Jan 23, 2024 · US
Method for estimating the transverse component of the velocity of the air in a doppler LiDAR measurement
US8976342B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8976342-B2 |
| Application number | US-201314052588-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 11, 2013 |
| Priority date | Oct 12, 2012 |
| Publication date | Mar 10, 2015 |
| Grant date | Mar 10, 2015 |
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Abstract
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A method for estimating the transverse component V trans of the velocity of the air comprises the following steps: emitting a focused laser beam; acquiring an electrical signal resulting from the transit of a particle across the beam at a point of transit; analyzing the signal so as to obtain a spectrogram revealing an elongate mark representative of the transit; estimating the duration of traversal of the laser beam by the particle and the slope of the mark; deducing from the duration and from the slope the distance between the point of traversal of the beam and the focusing point; determining the radius of the beam at the point of transit; deducing the transverse component from the radius and from the duration.
First claim
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The invention claimed is: 1. A method for estimating a transverse component V trans of a velocity of air comprising the following steps: emitting a focused laser beam; acquiring an electrical signal s(t) resulting from a transit of a particle across the focused laser beam at a point of transit; analysing the electrical signal s(t) so as to obtain a spectrogram revealing an elongate mark representative of the said transit; estimating a duration D of traversal of the focused…
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- What does patent US8976342B2 cover?
- A method for estimating the transverse component V trans of the velocity of the air comprises the following steps: emitting a focused laser beam; acquiring an electrical signal resulting from the transit of a particle across the beam at a point of transit; analyzing the signal so as to obtain a spectrogram revealing an elongate mark representative of the transit; estimating the duration of tra…
- Who is the assignee on this patent?
- Thales Sa
- What technology area does this patent fall under?
- Primary CPC classification G01S17/95. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Mar 10 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).