Lei ZHU


Design of Microwave Patch Hybrid Couplers with Arbitrary Power Ratio and Impedance Transformation
Xianshi JING Sheng SUN Lei ZHU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/07/01
Vol. E98-C  No. 7  pp. 644-650
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Passive Circuits/Components
Keyword: 
branch-line couplerscross slotsimpedance transformerpatch hybrid couplerpower ratio
 Summary | Full Text:PDF(1.1MB)

Guided-Wave Propagation Characteristics of Fully-Integrated Coplanar-Waveguide Metamaterials with Distributed Loading
Jing GAO Lei ZHU Keren LI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/01/01
Vol. E91-C  No. 1  pp. 34-40
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: Artificial and Nolinear Materials
Keyword: 
transmission line metamaterialscoplanar-waveguideperiodic structureguided-waveleft-handed and right-handed passbands
 Summary | Full Text:PDF(704.4KB)

Aperture-Backed Microstrip-Line Stepped-Impedance Resonators and Transformers for Performance-Enhanced Bandpass Filters
Hang WANG Lei ZHU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/03/01
Vol. E89-C  No. 3  pp. 403-409
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
microstrip bandpass filterbackside apertureharmonic suppressionimpedance transformerstepped impedance resonators
 Summary | Full Text:PDF(871.8KB)

Novel Design of Microstrip Bandpass Filters with a Controllable Dual-Passband Response: Description and Implementation
Sheng SUN Lei ZHU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/02/01
Vol. E89-C  No. 2  pp. 197-202
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
controllable dual-passbanddual-band filterequivalent J-inverter networkparallel-coupled microstrip linestepped-impedance resonator
 Summary | Full Text:PDF(920KB)

Microstrip Dual-Mode Bandpass Filter with Ultra-Broad Stopband Using Aperture-Backed Stepped-Impedance Ring Resonator
Hang WANG Lei ZHU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/11/01
Vol. E88-C  No. 11  pp. 2166-2168
Type of Manuscript:  LETTER
Category: Microwaves, Millimeter-Waves
Keyword: 
stepped impedance resonatordual-mode bandpass filterbackside apertureultra-broad stopband
 Summary | Full Text:PDF(129.2KB)

Side-Coupled Microstrip Open-Loop Resonator for Harmonic-Suppressed Bandpass Filters
Hang WANG Lei ZHU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/09/01
Vol. E88-C  No. 9  pp. 1893-1895
Type of Manuscript:  LETTER
Category: Microwaves, Millimeter-Waves
Keyword: 
bandpass filterharmonic suppressionopen-loop resonatorside-coupled resonator
 Summary | Full Text:PDF(181KB)

Periodically Nonuniform Coupled Microstrip Lines with Equalized Even- and Odd-Mode Velocities for Harmonic Suppression in Filter Design
Sheng SUN Lei ZHU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/06/01
Vol. E88-B  No. 6  pp. 2377-2382
Type of Manuscript:  Special Section PAPER (Special Section on 2004 International Symposium on Antennas and Propagation)
Category: 
Keyword: 
coupled microstrip lineperiodic structurebandpass filtereven- and odd-modetransmission zero
 Summary | Full Text:PDF(575KB)

Hybrid MOM-Immittance Approach for Full-Wave Characterization of Printed Strips and Slots in Layered Waveguide and Its Applications
Rakhesh Singh KSHETRIMAYUM Lei ZHU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/05/01
Vol. E87-C  No. 5  pp. 700-707
Type of Manuscript:  Special Section PAPER (Special Section on Advances in Characterization and Measurement Technologies for Microwave and Millimeter-Wave Materials, Devices and Circuits)
Category: General Methods, Materials, and Passive Circuits
Keyword: 
printed strips and slotsmethod of momentsequivalent circuitsbandpass filterperiodic structures
 Summary | Full Text:PDF(527.3KB)

Unified Equivalent Circuit Model of Finite-Ground Microstrip Line Open-End Discontinuities Using MoM-SOC Technique
Sheng SUN Lei ZHU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/05/01
Vol. E87-C  No. 5  pp. 828-831
Type of Manuscript:  LETTER
Category: Microwaves, Millimeter-Waves
Keyword: 
finite-ground microstrip lineopen-end discontinuityequivalent circuit modelshort-open calibration proceduremethod of moments
 Summary | Full Text:PDF(518.6KB)

Fullwave MoM-SOC Technique for Extraction of Equivalent Circuit Models of Coplanar Waveguide Discontinuities: CPW- and CSL-Mode Cases
Lei ZHU Toshiyuki YAKABE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/11/01
Vol. E86-C  No. 11  pp. 2292-2299
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
coplanar waveguide discontinuityCPW- and CSL-modeequivalent circuit modelmethod of momentsshort-open calibration
 Summary | Full Text:PDF(1.6MB)

Slider-Disk Impact and Impact Induced Data Erasure in High Density Magnetic Recording Systems
Bo LIU Yi-Jun MAN Zhi-Min YUAN Lei ZHU Ji-Wen WANG 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/09/25
Vol. E83-C  No. 9  pp. 1539-1545
Type of Manuscript:  Special Section PAPER (Special Issue on Selected Papers from the 4th Asian Symposium for Information Storage Technology)
Category: 
Keyword: 
data erasurehead-disk interfacetribologymagnetic recordingmagnetic disk drive
 Summary | Full Text:PDF(2.8MB)

Accurate Analysis of Various Planar Transmission Lines with Finite Metallization Thickness Using Eigen-Function Weighted Boundary Integral Equation Method
Lei ZHU Eikichi YAMASHITA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/02/25
Vol. E75-C  No. 2  pp. 259-266
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
microwave and millimeter wave technology
 Summary | Full Text:PDF(580.4KB)