Cepstral analysis of interfering delay signals as applied to detection of gravitational lenses

Details Cepstral analysis of interfering delay signals as applied to detection of gravitational lenses Cepstral analysis of interfering delay signals as applied to detection of gravitational lenses

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...105l...5a&link_type=abstract

Astronomy and Astrophysics, vol. 105, no. 1, Jan. 1982, p. L5, L6. Translation.

Astronomy and Astrophysics

Astrophysics

Cepstral Analysis, Emission Spectra, Gravitational Lenses, Power Spectra, Signal Analysis, Image Processing, Quasars, Radio Telescopes

Scientific paper

It is shown that measurement of the difference time of emission propagation from source to observer along different paths, even if these paths cannot be angularly resolved, permits the detection of gravitational lenses. It is suggested that cepstrum analysis of the intensity time variations of variable-emission single sources such as quasars be used simultaneously in the optical and radio ranges, thereby expanding the class of sources that may be used in gravitational lens detection.

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