Logperiodic Antennas TRIZ Cases

A dipole array antenna system achieves linear phase characteristics through specific radiation element positioning.

Self-rolled membranes form helical antennas that achieve 10 dB gain at 0.1 THz, overcoming atmospheric path loss.

A near-field resonant coupled antenna structure transfers electromagnetic energy between chip and off-chip elements using strong resonance.

Segmented helical radiators with varying pitch concentrate GPS performance at the upper spherical surface while enabling UHF band tuning.

Segmented quadrifilar helix antennas reduce satellite volume and prevent L-band signal degradation during inter-satellite communications.

A hybrid reflector combines electrically conducting planes with artificial magnetic conductors to maintain high reflection coefficients across wide frequency bands.

A multifilar helix antenna design segments radiators into multiple elements to achieve higher gain through constructive interference.

In-phase opposition resonant dipoles define customizable frequency bands, eliminating unwanted frequencies that cause interference.

A quadrifilar helical antenna uses mutual coupling between filars to transmit signals across multiple frequency bands.

Optimized helical pitch and diameter increase directivity while resolving the trade-off between circular polarization and realized gain.

A connector assembly integrates an adaptor board and shielding metal cage into a single component.

A bung-type antenna uses a hollow dielectric substrate to house conductive patterns for compact VHF and UHF operation.

Nested helical antennas expand frequency bandwidth across GNSS, Iridium, and UHF bands without increasing installation space.

Rotating and translating support disks change helical pitch without deforming the antenna element.

Rotating segmented helical arms switch polarization states, eliminating complex switching circuits while maintaining high directional gain.

A dual UHF dipole quadrafiler helix antenna integrates GPS reception with communication functions.

A helix antenna uses collinear sections separated by reactive elements to create phase differences between waveforms.