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The Formation of Simultaneous Radio Astronomical Images and Spectra by Electro-Optic Methods

  • D. J. McLean (a1)

Extract

This communication describes techniques, new to radio astronomy, which permit the analysis of electrical signals at radio-frequencies by optical methods.

Two applications will be described: the first is to a spectrograph which gives the instantaneous power spectrum of a single broad-band electrical signal; the second is to the analysis of the signals from a number of aerials of an array in order to form a simultaneous image of the brightness distribution of the region of the sky under observation.

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References

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1 Lambert, L. B. (I.R.E. International Convn. Record, 10, Part 6, 69 (1962).
2 Cole, T., Presented to U.R.S.I. Conference, Munich (1966).
3 McLean, D. J., and Wild, J. P., Aust. J. Phys. 14, 489 (1961).
4 Lambert, L. B., Arm, M., and Aimette, A., Symposium on Optical and Electro-optical Information Processing (Ed. Tippett, J. T., et al), M.I.T. Press (1965).
5 Wild, J. P., Proc. Roy. Soc. A286, 499 (1965).

The Formation of Simultaneous Radio Astronomical Images and Spectra by Electro-Optic Methods

  • D. J. McLean (a1)

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