Linear Waveguide Fed Arrays TRIZ Cases
- Rectangular Waveguide Antenna Beam Steering Without Phase Shifters
A movable waveguide bottom steers the RF beam mechanically, avoiding phase shifters, bulky optics, and frequency changes.
- Sparse-Activation Antenna Pixels for Accurate Waveguide Beamforming
Selective activation and phase tuning of waveguide-fed antenna pixels reduces cross-coupling and improves beam steering accuracy.
- Radar Antenna Waveguide Assembly With Partition Walls
Partition walls form the waveguide between stacked plates to prevent signal leakage, maintain flatness, and reduce assembly eccentricity.
- Optically Controlled Slit Waveguide for Reconfigurable Beam Steering
Optical photodetector control switches slit-crossing diodes in a slow-wave waveguide to steer beams without complex antenna wiring.
- Waveguide Internal Conductor Assembly Without Glue Variability
Mechanical fixation replaces glue in slotted waveguide conductor assembly, improving RF consistency, demountability, and production speed.
- Automotive Radar Sensor Module With Broadband Backscattering Cancellation
Repeating AMC and PEC scattering elements create destructive interference to cut vehicle radar backscatter across a broader frequency range.
- Contactless Microstrip-Waveguide Transition With Gap Waveguide Aperture
A gap-waveguide aperture transition replaces precision feeding probes, simplifying PCB-to-waveguide assembly while maintaining low loss.
- GRIN Radar Lens Layout for Wide Vertical Field of View
Angled GRIN lens radar subarrays expand vertical field of view beyond 90 degrees, improving detection across varied elevations.
- Contactless Microstrip-Waveguide Transition With Gap Waveguide Interface
A repetitive gap-waveguide structure and PCB patch antenna enable microstrip-to-waveguide coupling without precision electrical contact.
- Meta-Structure Antenna Array With Reactance-Controlled Beam Tilting
Variable reactance in meta-structure antenna arrays enables compact beam tilting, finer phase control, and lower side lobes.
- Traveling-Wave Antenna Phase Diversity Feed for Grating Lobe Suppression
Phase-diverse feeding offsets adjacent traveling-wave antennas to suppress grating lobes without dense spacing or high-dielectric designs.
- Contactless Microstrip-Waveguide Transition With Gap Interface
A repetitive gap structure couples a PCB patch antenna to a waveguide aperture, easing alignment and assembly while preserving signal transmission.
- Platformed Post Waveguides for Shorter Radar Sensor Posts
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 for False Reflection Control
Back-to-back slotted-waveguide radar arrays cut transmit-to-receive reflections, improving signal exposure time and small-target classification.
- Contactless Microstrip-to-Waveguide Transition With Gap Waveguide Coupling
A repetitive gap-waveguide structure couples a PCB patch antenna to a waveguide aperture without electrical contact, easing precision assembly.
- Tilted-Boresight Antenna Array for Low-Complexity AESA Steering
Two tilted sub-antennas combine passive and active steering to cut AESA complexity and cost while preserving directional accuracy and low side lobes.
- Sparse-Activation Antenna Pixels for Precise Subwavelength Beamforming
Selective activation of one phase-adjustable element per antenna pixel cuts cross-coupling and improves subwavelength beam steering accuracy.
- Contactless Antenna Measurement Aperture With Gap Waveguide Isolation
A repetitive conductive structure confines EM fields to a measurement aperture, enabling accurate contactless antenna tests without large chambers.
- Waveguide Antenna Array With Passive Beam Steering
A waveguide antenna array uses a segmented reflector surface to steer electromagnetic beams without active phase shifters.
- Phased Array Calibration Using Virtual Near-Field Probes
A movable calibrator computes voltage sums to align array elements without physical sensors.
- Waveguide Slot Array Antenna Phase Alignment
Alternating slot lengths correct main beam direction and reduce side lobes in waveguide slot array antennas.
- Dual Polarized Super-Element Phased Array Radiator
This super-element radiator reduces production costs and scan losses by merging multiple radiators into a single structure with embedded feed networks.