Calibration and operation of a large space-based optical interferometerThe on-orbit calibration of the optics, structure, and control systems of the CSI Focus Mission Interferometer (FMI) is described. The calibration involves the estimation and propagation of both positional and rotational parameters and the propagation of both positional and rotational parameters at the nanometer/nanoradian level. It is shown that, given a nanometer class metrology system to monitor positional changes of critical optical elements, this calibration procedure should enable the FMI to perform 50 picoradian astrometry. The same Kalman filter that implements the initializing calibration of the interferometer baselines and internal pathlengths will also participate in the astrometric measurements of stellar positions.
Document ID
19910042193
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Laskin, R. A. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Breckenridge, W. G. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Shao, M. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Redding, D. C. (JPL Pasadena, CA, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1990
Subject Category
Spacecraft Instrumentation
Report/Patent Number
AAS PAPER 90-040
Meeting Information
Meeting: Annual Rocky Mountain Guidance and Control Conference