The Jodrell Bank 1024-channel digital autocorrelation spectrometer

Details The Jodrell Bank 1024-channel digital autocorrelation spectrometer The Jodrell Bank 1024-channel digital autocorrelation spectrometer

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jphe...10..833p&link_type=abstract

Journal of Physics E - Scientific Instruments, vol. 10, Aug. 1977, p. 833-837. Research supported by the Science Research Counc

Astronomy and Astrophysics

Astronomy

33

Autocorrelation, Correlators, Digital Techniques, Radio Astronomy, Radio Spectroscopy, Spectrum Analysis, Digital Systems, Jodrell Bank Observatory, Random Access Memory, Signal Processing

Scientific paper

A new 1024-channel digital autocorrelation spectrometer has been designed and built employing the 'one-bit' method of spectral analysis. It can be used with a maximum sampling rate of 20 MHz corresponding to a nominal bandwidth of 10 MHz. Other bandwidths available are 5 MHz, 2.5 MHz through to 39 kHz in binary steps. The 1024 channels are divided into eight groups of 128 and all groups may be used for either auto- or cross-correlation. A description of the principles of operation and the design philosophy of the new machine is given. Examples are given of observations taken with the instrument.

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