Phased array antenna system including a coplanar waveguide feed arrangement

摘要: The disclosure relates to a phased array antenna for microwave and millimeter wave applications, using either microstrip line, coplanar waveguide, or other construction techniques incorporating solid dielectric transmission line. A continuously variable phase delay structure which is used control the beam pattern of can be applied resonant frequency tunable waveguide antennas impedance quarter-wave transformers. thin film barium strontium titanate (Bax Sr1-x TiO3) nonlinear material such as PbZrx Ti1-x O3 (PZT), LiNbO3, etc. deposited upon and/or patch element. constant made vary significantly by applying DC voltage film. propagation line directly proportional square root effective (assuming lossless dielectric). In an multiple elements provided with feed disclosed lines, direction resultant main over complete half-sphere only two adjustable voltages films.