Radio ScienceAmerican Geophysical Union, 1967 - Radio meteorology |
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Common terms and phrases
acoustic ray acoustic wave active-element admittance amplitude analysis angle antenna aperture approximation array asymptotic axis Blackband calculated circular coefficients compressible plasma computed correlation corresponding cos² critical frequency curve d₁ dielectric diffraction distance diurnal phase shift electromagnetic electron equation evaluation excited Felsen fluctuations function geometric-optical given group velocity IEEE Trans impedance sheet incident integral integrand interface ionosphere kanp konp lateral wave line source linear Lycksele magnetic activity magnetic field matrix measured medium method multipath oblique obtained optical and acoustic path pattern perfectly conducting phase velocity plane wave plane-wave plasma frequency plasma region polar probing problem Prop propagation q₁ radiation Radio ray tubes ray-optical reciprocal lattice reflected refracted saddle point scattering shown in figure sin² µ slab Sodankylä solution space surface waves Tatarskii theory transmission Uppsala values vector Vk² sin² waveguide