Silicon films with regular polygon voids arranged on matched lattices enable high contrast permittivity variation in gradient index optical elements.
A frequency selective surface uses variable capacitance coupling components to switch between band-pass and band-stop modes.
Merged bias voltage drivers reduce device complexity and manufacturing costs while maintaining precise phase shift control for phased array antennas.
Segmented III-V and silicon modules resolve parasitic interconnect issues, improving RF linearity by 10-15 dB for military applications.
Elliptical loading sections around Vivaldi antenna conductors reduce backward radiation while maintaining compact footprint.
Offset parabolic reflector antenna with gimbal steering minimizes aperture blocking and eliminates beam squint without rotary joints.
A synthetic aperture radar system uses spatially bundled electromagnetic waves and a moveable virtual antenna to generate high-resolution two-dimensional images.
Optical and RF time delay units steer high-power microwave pulses from an array to track moving targets without mechanical reorientation.
A weight calculation method for adaptive array antennas determines processing stages by monitoring correlation values among signal cells.
Magnets and detents replace mechanical fasteners to assemble segmented antenna reflectors, reducing assembly time while maintaining structural stability.
A stacked diode structure adjusts barrier height via indium composition to increase saturation current.
A secondary reflector with a sixth-degree polynomial outer surface profile directs RF waves to the primary reflector.
Parabolic cylindrical reflector antenna with electronic phase control and mechanical positioning for two-dimensional scanning.
Portable calibration kit determines test geometry via self-service signal modeling, eliminating precise external positioning requirements.
Segmenting beam steering into electronic and mechanical subsystems reduces power consumption while maintaining high directivity across wide angles.
A cylindrical antenna incorporates a near zero index metamaterial layer that increases gain and bandwidth by creating a pseudo-Fabry-Perot cavity effect.
Replacing complex parabolic reflectors, this design employs gradient refractive index microstructures to simplify processing and reduce manufacturing costs.
A lens with capacitance-controlled unit cells directs wireless signals through electrical adjustments.
Adaptive beamforming weights create deep spatial nulls that align with actual clutter distributions, reducing sidelobe gain below thermal noise levels.
A database calculates offsets for azimuth, elevation, and skew adjustments to resolve signal loss from imprecise antenna positioning.
An RF lens employs a photonic crystal structure with an apodizing mask to suppress side-lobe energy, reducing detectability and jamming vulnerability.
Photo-capacitive metamaterial elements steer beams without electrical wires, reducing interference and circuit complexity.
Electronic scanning replaces mechanical rotation to improve tracking precision while maintaining scan speed.
Frequency-selective surface module separates uplink and downlink signals, eliminating heavy waveguide devices to reduce terminal weight.
Switch sets in a channel former group antenna sub-arrays into output channels, resolving the trade-off between adaptability and device complexity.
Alternating positive and negative refraction layers in a laminous optical window minimize aberrations and maintain ray collinearity across wide angles.
Overlapping admittance sheets with distinct unit cell admittances achieve 0-360 degree phase control without thick dielectric lenses.
A processor unit compares RF signal measurements from different locations to calculate antenna array movement relative to a reference point.
Mutual coupling signals enable field calibration of modular phased array sub-arrays, eliminating special test equipment and reducing time.
Dither circuits in the antenna array introduce noise to phase and amplitude shifts, raising side lobes above thresholds to satisfy export regulations.
A controller calibrates scatterer antennas with one probe, reducing time while maintaining accuracy.
Altering phase distribution during pulse-off intervals reduces leakage signal intensity without adding switches or amplifiers.
Layered metamaterials with spatially varying refractive indexes reflect electromagnetic waves to improve aperture efficiency while reducing antenna thickness.
A metamaterial structure converts Gaussian beams to near-Bessel profiles, minimizing diffraction and preserving signal integrity in communication systems.
Notched electrode plates in a frequency selective surface resonator enable adjustable operating frequency and bandwidth, reducing design complexity.
A Dragonian gimbaled reflector antenna system uses a beam waveguide to steer RF beams with reduced moving mass.
A thermoplastic resin composition containing stainless steel fibers achieves high shielding and absorbency for millimeter wave radar interference.
A computing system calculates a modulation pattern for metamaterial elements to shape radiated far-field antenna patterns.
A circular coupled voltage controlled oscillator array increases usable phase differences through closed-loop injection locking.
Optimizing the secondary reflector's outer surface profile reduces overflow and reflection losses while widening the frequency band.
A back-feed microwave antenna uses gradient refractive index metamaterial panels to convert diverging waves into plane waves.
A phased array feeder assembly performs electronic beam steering to redirect transmission signals toward target antennas.
Wireless chipsets repurpose communication hardware for radar sensing, eliminating dedicated sensor costs while maintaining spatial resolution.
Dynamic beam forming weights adapt to distance changes, resolving near-field accuracy losses caused by fixed weight configurations.
Active passive power combining networks compensate for manufacturing variations in integrated chip designs to maintain reliable beam steering.
A gradient-index lens with a multi-extrema permittivity taper concentrates electromagnetic waves to boost signal gain in phased array systems.
An offset antenna breaks spatial symmetry to resolve grazing angle ambiguity, allowing sign inversion of estimated frequencies for precise obstacle detection.