Matched Filtering with Achromatic Optical Correlators

An achromatic Fourier transform system for use in an optical correlator has been designed and used with incoherent light to obtain autocorrelations of pictures of aerial views of urban areas. The necessary optics included achromatic lenses and some highly achromatic holographic elements in a unique...

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Bibliographische Detailangaben
Hauptverfasser:	Upatneiks,Juris, Duthie,J Graeme, Ashley,Paul R
Format:	Report
Sprache:	eng
Schlagworte:	Achromatic matched filtering Aerial photography Arc lamps Argon lasers Autocorrelation Bibliographies Correlation techniques Data processing Diffraction Diffraction gratings Electrical and Electronic Equipment Fourier transformation Holography Image processing Incoherent light Incoherent scattering Lenses Light Light sources Light transmission Matched filters Mercury lamps Missile guidance Optical correlators Optical equipment components Optical images Optical processing Optics Pattern recognition Performance tests Photographic recording systems Pictures Ray tracing Urban areas
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Beschreibung
Zusammenfassung:	An achromatic Fourier transform system for use in an optical correlator has been designed and used with incoherent light to obtain autocorrelations of pictures of aerial views of urban areas. The necessary optics included achromatic lenses and some highly achromatic holographic elements in a unique arrangement to produce wavelength independent Fourier transforms. (Author)