SEARCH · Search NASA
Results for “wavefront”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Wavefront control performance modeling with WFIRST shaped pupil coronagraph testbed
UNKNOWN
WFIRST Low Order WaveFront Sensing and Control (LOWFS/C) performance on line-of-sight disturbances from multiple reaction wheels
In this paper we will describe the LOWFS/C LoS performance test in which the injected LoS disturbances are derived from all six reaction wheels on WFIRST, each with an independent varying wheel speed profile modeled for a typical coronagraph observational scenario. We will describe the LoS disturbances profile and testbed implementation approach. We will present the LOWFS/C LoS feedback and feed forward loops testbed performance under these realistic LoS disturbances in which we have demonstrated the LoS control that meets the CGI requirement.
Phase-change Reconfigurable Optical WavEfront Synthesis System (PROWESS)
This is a summary presentation of postdoc research conducted as part of the Langley PROWESS project.
Initial Super-Nyquist Wavefront Control Experiments in the Decadal Survey Testbed
No abstract provided
Alignment and Wavefront Testing Results of the Roman Space Telescope Grism and Prism Assemblies
Explore the source record for details and available documents.
PSF Post-Processing in the Presence of Wavefront Drift
Explore the source record for details and available documents.
Keck Primary Mirror Closed-loop Segment Control Using a Vector-Zernike Wavefront Sensor
Explore the source record for details and available documents.
An Effcient Means to Mitigate Wavefront Curvature Effects in Polar Format Processed SAR Imagery.
Abstract Not Provided