NASA NTRS · 19770014057
A practical Hadamard transform spectrometer for astronomical application
Abstract
The 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.
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Tai, M. H.. 1977-01-01. A practical Hadamard transform spectrometer for astronomical application. https://ntrs.nasa.gov/citations/19770014057
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