Pre-calculated digital control words stored in non-volatile memory eliminate real-time calculation delays, enabling sub-microsecond antenna state switching.
Antenna array elements transmit and receive radar signals at distinct frequencies to extract phase data for relative distance calculation.
A periodic planar arrangement of surface elements supported by angled metal structures creates a high impedance electromagnetic band gap.
True-time-delay beamforming network applies coarse and fine digital delays to overcome narrowband limitations of analog phase shifters.
A combined pulsed and FMCW radar system uses a shared transmitter and RF combiner to manage signals across a single AESA aperture.
Compressive imaging algorithms process energy detection signals from the antenna array to reconstruct images with improved accuracy.
Metamaterial panels replace complex paraboloids in this antenna design, reducing energy loss and manufacturing costs while maintaining directional propagation.
A coupled voltage controlled oscillator array separates local oscillator signal phases through varying control voltages to enable precise beam steering.
Continuous azimuth rotation eliminates raster scan delays, enabling faster update rates and timely obstacle avoidance for unmanned aircraft systems.
Quadrant-based phase shifts cancel cross-polarization from primary sources, reducing antenna mass and volume compared to dual reflector systems.
An auxiliary antenna device provides sum, difference, and control radiation patterns to detect targets at high elevation angles.
Scaled reflectors enable precise antenna feed measurements in compact ranges, eliminating the need for large anechoic chambers.
A man-made composite material antenna converts plane electromagnetic waves into spherical waves using a curved surface refractive index distribution.
Rotating diffractive dielectric components steer microwave beams, eliminating bulky mechanical scanners and reducing system weight.