Linear Waveguide Fed Arrays TRIZ Cases

A movable waveguide bottom steers the RF beam mechanically, avoiding phase shifters, bulky optics, and frequency changes.

Selective activation and phase tuning of waveguide-fed antenna pixels reduces cross-coupling and improves beam steering accuracy.

Partition walls form the waveguide between stacked plates to prevent signal leakage, maintain flatness, and reduce assembly eccentricity.

Optical photodetector control switches slit-crossing diodes in a slow-wave waveguide to steer beams without complex antenna wiring.

Mechanical fixation replaces glue in slotted waveguide conductor assembly, improving RF consistency, demountability, and production speed.

Repeating AMC and PEC scattering elements create destructive interference to cut vehicle radar backscatter across a broader frequency range.

A gap-waveguide aperture transition replaces precision feeding probes, simplifying PCB-to-waveguide assembly while maintaining low loss.

Angled GRIN lens radar subarrays expand vertical field of view beyond 90 degrees, improving detection across varied elevations.

A repetitive gap-waveguide structure and PCB patch antenna enable microstrip-to-waveguide coupling without precision electrical contact.

Variable reactance in meta-structure antenna arrays enables compact beam tilting, finer phase control, and lower side lobes.

Phase-diverse feeding offsets adjacent traveling-wave antennas to suppress grating lobes without dense spacing or high-dielectric designs.

A repetitive gap structure couples a PCB patch antenna to a waveguide aperture, easing alignment and assembly while preserving signal transmission.

Platforms and trenches let radar waveguides use shorter cast posts while preserving electromagnetic efficiency and lowering manufacturing cost.

Back-to-back slotted-waveguide radar arrays cut transmit-to-receive reflections, improving signal exposure time and small-target classification.

A repetitive gap-waveguide structure couples a PCB patch antenna to a waveguide aperture without electrical contact, easing precision assembly.

Two tilted sub-antennas combine passive and active steering to cut AESA complexity and cost while preserving directional accuracy and low side lobes.

Selective activation of one phase-adjustable element per antenna pixel cuts cross-coupling and improves subwavelength beam steering accuracy.

A repetitive conductive structure confines EM fields to a measurement aperture, enabling accurate contactless antenna tests without large chambers.

A waveguide antenna array uses a segmented reflector surface to steer electromagnetic beams without active phase shifters.

A movable calibrator computes voltage sums to align array elements without physical sensors.

Alternating slot lengths correct main beam direction and reduce side lobes in waveguide slot array antennas.

This super-element radiator reduces production costs and scan losses by merging multiple radiators into a single structure with embedded feed networks.

Replacing rectangular slots with asymmetric contours defined by mathematical equations reduces signal loss in the 58 to 62 GHz band.

Dual open-ended waveguide antenna splits electromagnetic energy through a 3D dividing network.

A phased array antenna design couples each radiating element to multiple controllable components for flexible beam steering.

Segmenting the radar antenna into independent layers enables targeted performance optimization without full redesign cycles.

A waveguide microstrip line converter uses an H-shaped slot and impedance transforming units to exchange power between structures.

A radar unit with multiple transmission and reception antennas operates in four polarization states to reduce signal interference.

Symmetrical RX reject clone filters reduce device complexity and mass while maintaining signal isolation across extended multi-bands.

Randomizing super-element positions within phased array radar columns suppresses grating lobes and sidelobes while maintaining manufacturing simplicity.

A passive electronically scanned array antenna uses directional couplers and varactor phase shifters to steer beams.

A ridge loaded waveguide combiner divider uses a unique transition section height to divide signals across a broad frequency band.

A phased array architecture uses discrete and variable phase shifters to minimize insertion losses.

Layered dielectric substrates with metal films and through holes route RF signals from integrated circuits to antennas on opposite board surfaces.

A telescopic waveguide assembly absorbs thermal expansion through sliding sections within a groove gap channel.

A waveguide aperture array with angled radiation slots enables rapid beam steering agility for aircraft radar systems.

A center-fed open-ended waveguide antenna divides power symmetrically to radiating elements.

Periodic slot structures confine electromagnetic signals within waveguides, reducing leakage and improving radar module reliability.

Merging the ridge part with waveguide walls enables thin-plate laminating, resolving cutting difficulties caused by short adjacent parts.