Hadamard transform infrared astronomical imaging device

Details Hadamard transform infrared astronomical imaging device Hadamard transform infrared astronomical imaging device

Nov 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976rsci...47.1331s&link_type=abstract

Review of Scientific Instruments, vol. 47, Nov. 1976, p. 1331-1336.

Astronomy and Astrophysics

Astronomy

2

Astronomical Photography, Atmospheric Windows, Data Reduction, Infrared Imagery, Signal Detection, Transformations (Mathematics), Computer Techniques, Decoding, Display Devices, Electronic Control, Infrared Astronomy, Scintillation, Signal Encoding, Signal Processing

Scientific paper

A 255 picture element imaging device for astronomical applications in the J and K atmospheric windows (1.5- to 1.8-micron and 2.0- to 2.4-micron wavelength, respectively) is described. Spatial information is optically encoded and detected by a LN2-cooled detector. Electronic decoding is achieved during measurement by means of a special purpose computer. Under seeing and scintillation noise limited conditions, a multiplex advantage of a factor of 8 is attained.

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