Traveling Wave Antennas

amplitude and phase analysis angle Antennas Propagation aperture approximation array attenuation axis Babinet's principle beam Chap coefficients components corrugated surface cross section curve determined dielectric rod dielectric sheet dipole direction electric field elements endfire Equation excitation efficiency far-field pattern far-field region fast wave feed Figure finite Fourier transform free space frequency Fresnel region gives ground plane H₂ hybrid modes illustrated in Fig impedance integral IRE Trans leaky wave line source magnetic field Maxwell's equations McGraw-Hill method modulation obtained parallel plate phase constant phase velocity planar polarization Proc propagation constant Rept shown in Fig sidelobe Slot Antennas slotted waveguide slow wave structure source distribution source function source of length structure in Fig surface wave synthesis tion TM mode transverse resonance traveling wave antennas traveling wave structure vector Velocity ratio c/v wavelength zero фо