Underwater sensing system
US10088571B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2016 |
| Grant date | Oct 2, 2018 |
| Priority date | — |
| Expiry date | Apr 29, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/538
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods for characterizing scattering in a medium of a Light Detection And Ranging (LiDAR) system and systems therefrom are provided. A method includes obtaining off-axis power return characteristics with respect to a first wavelength of light and on-axis power return characteristics for at least the first wavelength of light. The method also includes estimating at least one beam attenuation coefficient (c) based on the off-axis power return characteristics and common volume parameter function for the LiDAR system and an extinction coefficient (α) for the medium based on the on-axis power return characteristics. The method further includes extracting a value for at least one diffuse attenuation coefficient (Kd) for the medium using a beam spread parameter for the LiDAR system (D) and a pre-defined relationship between α, c, D, and Kd.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.