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A practical Hadamard transform spectrometer for astronomical applicationThe mathematical properties of Hadamard matrices and their application to spectroscopy are discussed. A comparison is made between Fourier and Hadamard transform encoding in spectrometry. The spectrometer is described and its laboratory performance evaluated. The algorithm and programming of inverse transform are given. A minicomputer is used to recover the spectrum.
Document ID
19770014057
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Tai, M. H. (Cornell Univ. Ithaca, NY, United States)
Date Acquired
September 3, 2013
Publication Date
January 1, 1977
Subject Category
Astronomy
Report/Patent Number
NASA-CR-149790
CRSR-655
Report Number: NASA-CR-149790
Report Number: CRSR-655
Accession Number
77N21001
Funding Number(s)
CONTRACT_GRANT: NGR-33-010-210
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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