Get up to Speed on Supersonic Boom Testing
On behalf of NASA, aviation noise experts at the U.S. DOT Volpe Center are helping build confidence in low-boom flight technologies.
noise
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Investigating Low-Boom Supersonic Air Travel
The U.S. is a leader in developing supersonic flight technology, and Volpe Center noise experts are helping build confidence in low-boom flight technologies through sonic boom measurement, modeling, and minimization.
National Transportation Noise Map Released
To better understand transportation sound levels, a Volpe Center team developed a simplified noise modeling tool for the Bureau of Transportation Statistics that makes it easy to track trends in noise levels over time. The tool was released on March 21.
An Ongoing Legacy of Traffic Noise Modeling
Volpe noise prediction models have led to technologically advanced noise barriers.
Volpe Aircraft Noise Certification Support
The technical information on certification validation and differential GPS (DGPS) validation may be of use to noise certification applicants.
Validated DGPS Systems
INFORMATION: Use of Global Position Systems (GPS) Based Time Space Position Information (TSPI) System as a Truth Source for Certification Flight Testing.
Diagram of Aircraft Tracking Geometry (Fig. 1)
Figure 1, which is an attachment to the Validation Package, is a diagram indicating important tracking geometry elements.
Coordinate Transformation from Geodetic to Measurement Frame
This document contains the procedure for transforming geodetic data to cartesian X,Y,Z.
DGPS Validation Report and Checklist
This document is a report and checklist used during the validation process for differential global positioning systems (DGPS).
DGPS Performance Requirements
This document outlines the recommendations and requirements to be followed by FAR Part 36 noise certification applicants using a differential global positioning system (DGPS) for collection of time space position information (TSPI).