Zhongbao Wang
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View article: Single-loop variance reduction methods in Bregman setups for finite-sum structured variational inequalities
Single-loop variance reduction methods in Bregman setups for finite-sum structured variational inequalities Open
In this paper, we address variational inequalities (VI) with a finite sum structure by proposing a novel single-loop variance-reduced algorithm that incorporates the Bregman distance. Under the monotone setting, we establish the almost sur…
View article: Dynamic interfacial vortex arrays for advanced antifouling
Dynamic interfacial vortex arrays for advanced antifouling Open
View article: Four‐Way Wideband Filtering Power Divider With All‐Port‐Absorptive Feature
Four‐Way Wideband Filtering Power Divider With All‐Port‐Absorptive Feature Open
In the paper, a four‐way wideband filtering power divider (FPD) with an all‐port‐absorptive feature is presented to fill the gap of FPDs with simultaneous multiway, wideband filtering, good isolation, and all‐port absorption features. It c…
View article: Balanced Nonreciprocal Bandpass Filter With Common‐Mode Reflectionless Characteristics
Balanced Nonreciprocal Bandpass Filter With Common‐Mode Reflectionless Characteristics Open
In this paper, a common‐mode (CM) reflectionless balanced nonreciprocal bandpass filter (BPF) based on the time‐modulated resonator is presented. In order to reduce the interference caused by reflected CM noise on the neighboring circuit a…
View article: All‐Port‐Reflectionless Planar Wideband Filtering Directional Coupler Using Two Groups of Four‐Coupled‐Lines
All‐Port‐Reflectionless Planar Wideband Filtering Directional Coupler Using Two Groups of Four‐Coupled‐Lines Open
In the paper, a planar wideband filtering directional coupler (FDC) with all‐port‐reflectionless behavior is presented by merely using two groups of four‐coupled‐lines (FCLs) and resistors. One group is the FCL with open‐circuited at the d…
View article: Balanced switchable bandpass filter with differential‐mode reflectionless characteristics
Balanced switchable bandpass filter with differential‐mode reflectionless characteristics Open
This paper presents a balanced switchable bandpass filter (SBPF) with differential‐mode (DM) reflectionless characteristics in the on‐state. The proposed SBPF consists primarily of dual‐mode resonators loaded with p‐type–intrinsic–n‐type d…
View article: Compact Wideband Reflective Phase Shifter with Wide Phase Shift Range and Simple Control
Compact Wideband Reflective Phase Shifter with Wide Phase Shift Range and Simple Control Open
View article: A Novel Wideband Reflectionless Filtering Patch Antenna
A Novel Wideband Reflectionless Filtering Patch Antenna Open
View article: Broadband High-Selectivity Stacked Filtering Antenna with Multiple Radiation Nulls
Broadband High-Selectivity Stacked Filtering Antenna with Multiple Radiation Nulls Open
In this paper, a novel broadband high-selectivity stacked filtering antenna with multiple radiation nulls is proposed. The antenna consists of a short-circuited stepped impedance feeding line and two U-shaped strips on the bottom layer, fo…
View article: Wideband <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" id="M1"><a:mn>4</a:mn><a:mo>×</a:mo><a:mn>4</a:mn></a:math> Nolen Matrix with 360° Continuously Tuned Differential Phase and Low In-Band Phase Deviation Error
Wideband 4×4 Nolen Matrix with 360° Continuously Tuned Differential Phase and Low In-Band Phase Deviation Error Open
In the paper, a wideband tunable 4×4 Nolen matrix is proposed. By using the presented topology of the Nolen matrix, tunable output port phase differences can be realized by inserting one type of tunable phase shifters (T-PS). Besides, the …
View article: Compact Wideband Wide-beam Circularly Polarized Loop Antenna Using Sequential Rotation Feeding Technology
Compact Wideband Wide-beam Circularly Polarized Loop Antenna Using Sequential Rotation Feeding Technology Open
View article: Balanced-to-Balanced Filtering Crossover with High Isolation and CM Suppression
Balanced-to-Balanced Filtering Crossover with High Isolation and CM Suppression Open
View article: A Novel Bandpass-to-all-stop Switchable Absorptive Filter with Ultra-wideband Reflectionless Range
A Novel Bandpass-to-all-stop Switchable Absorptive Filter with Ultra-wideband Reflectionless Range Open
View article: Dual-band Circularly Polarized Antenna with Wide Axial-ratio and Gain Beamwidths for High-precision BDS Applications
Dual-band Circularly Polarized Antenna with Wide Axial-ratio and Gain Beamwidths for High-precision BDS Applications Open
In this paper, a dual-band circularly polarized (CP) antenna with wide axial ratio and gain beamwidths is proposed for high-precision BDS applications.The radiator consists of four groups of dipoles, eight metal columns, and a reflector.Th…
View article: Asymmetrical Dual-dipole Based Optically Transparent Wideband Antenna for Wearable Off-body Communications
Asymmetrical Dual-dipole Based Optically Transparent Wideband Antenna for Wearable Off-body Communications Open
View article: A Novel Four-state Switchable Dual-band Bandpass Filter with High OFF-state Suppression Based on Multi-mode Resonators
A Novel Four-state Switchable Dual-band Bandpass Filter with High OFF-state Suppression Based on Multi-mode Resonators Open
A novel switchable dual-band bandpass filter (BPF) is proposed, where each passband can be independently controlled.The filter is composed of a tri-mode resonator, a dual-mode resonator, and feed lines coupling with the resonators.By contr…
View article: Wideband High-Selectivity SIW Filtering Antenna with Controllable Radiation Nulls
Wideband High-Selectivity SIW Filtering Antenna with Controllable Radiation Nulls Open
A novel wideband high-selectivity substrate-integratedwaveguide (SIW) filtering antenna with controllable radiation nulls is proposed. This antenna is composed of a two-layered SIW resonator, two radiating slots on the top layer, and two c…
View article: Wideband Unequal Four-way Filtering Power Divider with Absorptive Feature
Wideband Unequal Four-way Filtering Power Divider with Absorptive Feature Open
View article: Design of Active Integrated GNSS Antenna Based on the Impedance Transforming Quadrature Four-Feed Network
Design of Active Integrated GNSS Antenna Based on the Impedance Transforming Quadrature Four-Feed Network Open
In the paper, a wideband miniaturized impedance-transforming quadrature four-feed network with a flat output phase difference is presented and applied to the design of an active integrated GNSS antenna where no extra impedance matching cir…
View article: Synthesis of Wideband All-Frequency Absorptive Filtering Power Divider with High Selectivity and Flat Output Port Distributions
Synthesis of Wideband All-Frequency Absorptive Filtering Power Divider with High Selectivity and Flat Output Port Distributions Open
In this paper, a wideband absorptive filtering power divider (AFPD) which features the characteristics of high selectivity and flat output distributions is proposed. It is composed of one unequal width three-coupled line (TCL), two coupled…
View article: Wideband Filtering Rat-Race Coupler with Shared Triple-Mode Resonator
Wideband Filtering Rat-Race Coupler with Shared Triple-Mode Resonator Open
In this paper, a filtering rat-race coupler (FRC) is presented, which features the merits of a wideband filtering response, good impedance matching at both input and output ports, good isolation, high-frequency selectivity, small in-band p…
View article: Design of Compact Wide-beam Broadband Antenna for Wide-angle Scanning Applications
Design of Compact Wide-beam Broadband Antenna for Wide-angle Scanning Applications Open
In this paper, a compact antenna with wideband and wide beam is proposed.It is composed of a rectangular patch etched on a substrate, a feeding probe, two metal columns, and a ground plane.By inserting air gap between the substrate and the…
View article: A WIDE-BAND HIGH ISOLATION DUAL-CIRCULARLY POLARIZED MICROSTRIP ANTENNA ARRAY
A WIDE-BAND HIGH ISOLATION DUAL-CIRCULARLY POLARIZED MICROSTRIP ANTENNA ARRAY Open
A wide-band dual-circularly polarized transceiver antenna with high port isolation is proposed in this paper.The antenna element uses M-shaped and U-shaped microstrip lines to excite the quasi-cross-shaped aperture to achieve wide-band and…
View article: A Novel Balanced-to-unbalanced All-port Reflectionless Filtering Power Divider without Loading Additional Absorptive Branches at Input and Output Ports
A Novel Balanced-to-unbalanced All-port Reflectionless Filtering Power Divider without Loading Additional Absorptive Branches at Input and Output Ports Open
A novel balanced-to-unbalanced (BTU) all-port reflectionless filtering power divider without loading additional absorptive branches at input and output ports is proposed in this paper.The proposed power divider includes two reflectionless …
View article: SINGLE-FED WIDE-BEAMWIDTH CIRCULARLY POLARIZED ANTENNA USING REFLECTOR-LOADED BENT DIELECTRIC RESONATOR
SINGLE-FED WIDE-BEAMWIDTH CIRCULARLY POLARIZED ANTENNA USING REFLECTOR-LOADED BENT DIELECTRIC RESONATOR Open
In the paper, a compact single-fed wide-beamwidth circularly polarized (CP) antenna is proposed.The main radiator of the antenna is a bent dielectric resonator (DR), which is conformal to a rectangle substrate with the same curvature and i…
View article: Balanced-to-unbalanced Bagley Power Divider with Input-reflectionless Filtering Characteristics
Balanced-to-unbalanced Bagley Power Divider with Input-reflectionless Filtering Characteristics Open
A novel balanced-to-unbalanced (BTU) Bagley power divider (BPD) with inputreflectionless filtering characteristics is proposed.It features a balanced input port and three singleended output ports, which is difficult to achieve by means of …
View article: Design of Wideband Circularly Polarized Filtering Antenna with High Frequency Selectivity and Gain Flatness
Design of Wideband Circularly Polarized Filtering Antenna with High Frequency Selectivity and Gain Flatness Open
In the paper, a wideband circularly polarized (CP) filtering antenna is proposed, which is composed of four bent Vivaldi elements excited with sequential-rotated feeding technique.Since the Vivaldi element has the advantages of high gain a…
View article: Differential Negative Group Delay Circuit Topology with Reverse Nested Double U-shaped Defected Ground Structure
Differential Negative Group Delay Circuit Topology with Reverse Nested Double U-shaped Defected Ground Structure Open
A simple and flexible differential negative group delay (NGD) circuit topology based on defected ground structure (DGS) is proposed.The circuit consists of microstrip lines and reverse nested double U-shaped (RNDU) DGSs, in which different…
View article: Tseng Splitting Method with Double Inertial Steps for Solving Monotone Inclusion Problems
Tseng Splitting Method with Double Inertial Steps for Solving Monotone Inclusion Problems Open
In this paper, based on a double inertial extrapolation steps strategy and relaxation techniques, we introduce a new Tseng splitting method with double inertial extrapolation steps and self-adaptive step sizes for solving monotone inclusio…
View article: A Compact Dual-Band Differential Negative Group Delay Circuit With Wideband Common Mode Suppression
A Compact Dual-Band Differential Negative Group Delay Circuit With Wideband Common Mode Suppression Open
A compact dual-band differential negative group delay (DNGD) circuit with wideband common mode suppression is proposed. Two small 180° phase shift swap structures of double-sided parallel striplines (DSPS) are adopted to realize intrinsic …