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Simulating wake vortex detection with the sensivu doppler wind lidar simulator
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Ramsey, Dan Nguyen, Chi |
| Copyright Year | 2014 |
| Description | In support of NASA's Atmospheric Environment Safety Technologies NRA research topic on Wake Vortex Hazard Investigation, Aerospace Innovations (AI) investigated a set of techniques for detecting wake vortex hazards from arbitrary viewing angles, including axial perspectives. This technical report describes an approach to this problem and presents results from its implementation in a virtual lidar simulator developed at AI. Threedimensional data volumes from NASA's Terminal Area Simulation System (TASS) containing strong turbulent vortices were used as the atmospheric domain for these studies, in addition to an analytical vortex model in 3-D space. By incorporating a third-party radiative transfer code (BACKSCAT 4), user-defined aerosol layers can be incorporated into atmospheric models, simulating attenuation and backscatter in different environmental conditions and altitudes. A hazard detection algorithm is described that uses a twocomponent spectral model to identify vortex signatures observable from arbitrary angles. |
| File Size | 19162507 |
| Page Count | 132 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20140010081 |
| Archival Resource Key | ark:/13960/t8kd6wr1s |
| Language | English |
| Publisher Date | 2014-06-01 |
| Access Restriction | Open |
| Subject Keyword | Avionics And Aircraft Instrumentation Spectral Theory Atmospheric Models Backscattering Vortices Atmospheric Boundary Layer Aerosols Standard Deviation Hazards Signatures Optical Radar Tracking Position Ntrs Nasa Technical Reports ServerĀ (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |