TY - BOOK AU - Ratcliffe, J. TI - Some aspects of diffraction theory and their application to the ionosphere U1 - 535.42/R23 CY - Cambridge PB - Cavendish Laboratory, KW - ÓPTICA KW - FÍSICA KW - TEORÍA DE DIFRACCIÓN N1 - Bibliografía: páginas 263-267; 1. Introduction -- 2. The angular spectrum and the Fraunhofer diffraction pattern -- 3. Some examples of angular spectra -- 4. Fresnel diffraction -- 5. The auto-correlation function and the Wiener-Khintchine theorem -- 6. The angular spectra from random diffracting screens -- 7. Incoherent sources -- 8. Fresnel diffraction by random screens -- 9. Time-varying diffraction patterns -- 10. Scintillations of radio stars ER -