Instruct: Given the title of a paper, retrieve paper titles that are cited by the given paper.
Query: Analysis and Design of a 3 dB Tunable Lumped-Element Directional Coupler
Design of a wide-band lumped-element 3-dB quadrature coupler
A novel mixed conventional microstrip and composite right/left-handed backward-wave directional coupler with broadband and tight coupling characteristics
Design and fabrication of X-band Substrate Integrated Waveguide directional coupler
A Novel Dual-Band 3-dB Branch-Line Coupler Design With Controllable Bandwidths
Wideband crossed-guide waveguide directional couplers
Super-Compact Substrate Integrated Waveguide Cruciform Directional Coupler
Substrate integrated waveguide 180-degree narrow-wall directional coupler
Bandwidth-enhanced single-layer 3-dB tandem directional coupler as magic-T network
Two Section Wideband 90° Hybrid Coupler Using Parallel-Coupled Three-Line
Substrate Integrated Folded Waveguide (SIFW) narrow-wall directional coupler
Multi-octave planar microwave slot-coupled directional coupler up to 28 GHz with novel phase velocity compensation
A Broadband 3 dB Tandem Coupler Utilizing Right/Left Handed Transmission Line Sections
High Directivity Quarter-Wave Microstrip Couplers with Periodic Floating-Conductors on Coupled Edges
Substrate Integrated Waveguide Directional Couplers for Compact Three-Dimensional Integrated Circuits
of an ultra wideband directional coupler .
Measurement and fabrication uncertainties in high-directivity microstrip couplers
A miniaturized directional coupler with high isolation for RFID reader
Investigation of a Wideband 90 $^{\circ}$ Hybrid Coupler With an Arbitrary Coupling Level
Wideband double layer Substrate Integrated Waveguide directional coupler
A compact coupled-line forward coupler using composite right-/left-handed transmission lines
solid - state color night vision : fusion of low - light visible and thermal infrared imagery .
Bovine aortic arch: predictor of entry site and risk factor for neurologic injury in acute type a dissection.
Compact Planar Microstrip Branch-Line Couplers Using the Quasi-Lumped Elements Approach With Nonsymmetrical and Symmetrical T-Shaped Structure
GIS-based estimation of rooftop solar photovoltaic potential using LiDAR
The self and social behavior in differing cultural contexts