Study of a Surface Wave AntennaUniversity of Wisconsin--Madison, 1957 - 232 من الصفحات |
عبارات ومصطلحات مألوفة
angle Antenna Length antenna rod antenna structure Appendix array attenuation axis beam tilt beam width becomes calculated Chapter compared considered constant continuous conventional cosh Cross-sectional curves cylindrical decreases determined diameter dielectric coated dipole direction distance distribution effective electric Element Length elements per wavelength energy equation equivalent dielectric exist expressed feed field four frequency Gain in db given gives Goubau Hence horizontal horn inches increases integral intensity known LENGTH FOR SURFACE Length in Wavelengths lobes maximum measurements Metallic METER mounted number of elements obtained operating oscillator outer radius Phase Velocity Reduction placed plane possible propagating radiation efficiency receiving reduction in phase shown in Fig shows side spaced standard Substituting surface wave line surface wave turnstile Table term thesis transmitting versus volume wave turnstile antenna waveguide