A new systematic design method based on coupling matrix and non-resonant structure for HTS filters with multiple transmission zeros
Sign Up to like & getrecommendations! Published in 2025 at "Superconductor Science and Technology"
DOI: 10.1088/1361-6668/adc20b
Abstract: Paper proposes a new systematic design method based on coupling matrix theory and non-resonant structure for high-temperature superconducting (HTS) filters, which can introduce more transmission zeros (n + X) than the conventional coupling matrix theory.… read more here.
Keywords: transmission zeros; structure; non resonant; coupling matrix ... See more keywords
Generalized frustration in the multidimensional Kuramoto model.
Sign Up to like & getrecommendations! Published in 2023 at "Physical review. E"
DOI: 10.1103/physreve.107.044205
Abstract: The Kuramoto model describes how coupled oscillators synchronize their phases as the intensity of the coupling increases past a threshold. The model was recently extended by reinterpreting the oscillators as particles moving on the surface… read more here.
Keywords: kuramoto model; unit; coupling matrix; model ... See more keywords
Inductive Cascaded Quadruplet with Diagonal Cross-Coupling in Rectangular Waveguide
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3169774
Abstract: The objective of this paper is to show how inductive quadruplets with diagonal cross-couplings can be used as building blocks for filters in rectangular waveguide. Starting with the coupling matrix synthesis, we show how very… read more here.
Keywords: diagonal cross; cascaded quadruplet; rectangular waveguide; inductive cascaded ... See more keywords
A Coupling Matrix Synthesized Three-Dimensional Filtering Power Amplifier
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2024.3352603
Abstract: This paper introduces a coupling matrix synthesized filtering power amplifier (PA). In conventional filtering PAs, impedance matching is usually implemented through lumped or distributed circuits based approaches, such as the even-odd mode analysis or the… read more here.
Keywords: matrix; matrix synthesized; coupling matrix; three dimensional ... See more keywords
Inline Microwave Filters With N + 1 Transmission Zeros Generated by Frequency-Variant Couplings: Coupling-Matrix-Based Synthesis and Design
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2021.3125460
Abstract: A general coupling-matrix-based synthesis methodology for inline ${N}$ th-order microwave bandpass filters (BPFs) with frequency-variant reactive-type couplings that generate ${N+1}$ transmission zeros (TZs) is presented in this brief. The proposed approach exploits the formulation of… read more here.
Keywords: inline; based synthesis; matrix based; synthesis ... See more keywords
Numerical Design of Non-Reciprocal Bandpass Filters With the Aid of 3D Coupling Matrix for 5G Bands
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2022.3157644
Abstract: In this brief, numerical analysis on spatio-temporally modulated (STM) non-reciprocal bandpass filters is methodically demonstrated to corroborate the underlying phenomenon. The concept of a 3D coupling matrix is illustrated for the first time, which provides… read more here.
Keywords: reciprocal bandpass; coupling matrix; non reciprocal; bandpass filters ... See more keywords
Microscale Searching Algorithm for Coupling Matrix Optimization of Automated Microwave Filter Tuning
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Cybernetics"
DOI: 10.1109/tcyb.2022.3166225
Abstract: Automated tuning can significantly improve productivity and save the costs of manual operation in the microwave filter manufacturing industry. This article proposes a mathematical model of scattering data optimization to find the accurate coupling matrix… read more here.
Keywords: filter tuning; coupling matrix; microwave filters; optimization ... See more keywords
Coupling Matrix Synthesis and Impedance-Matching Optimization Method for Magnetic Resonance Coupling Systems
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2017.2741963
Abstract: The general coupling matrix representation of bandpass filter (BPF) circuits is a widely used technique that has simplified the analysis and optimization of complex microwave filters. In this paper, we demonstrate a novel application of… read more here.
Keywords: coupling matrix; wpt systems; impedance matching; optimization ... See more keywords
Coupling Matrix Diagnosis by the Levenberg–Marquardt Algorithm With Homotopy Continuation
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2023.3322746
Abstract: This article introduces a novel coupling matrix diagnosis technique based on the Levenberg–Marquardt algorithm (LMA). Unlike many existing coupling matrix extraction approaches that involve fitting measurement or simulation data with rational functions, synthesizing a transversal… read more here.
Keywords: coupling matrix; matrix diagnosis; homotopy continuation;
Analytical Multiport Coupling Matrix Synthesis From Partial Fraction Expansions of S-Parameters
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2024.3393910
Abstract: Coupling matrix has proven to be a very useful tool in the design of coupled-resonator networks. The existing analytical coupling matrix synthesis techniques include the steps of converting S-parameters into Y-parameters in explicit rational function… read more here.
Keywords: partial fraction; fraction expansions; coupling matrix; synthesis ... See more keywords
Constructing Three-Port S-Parameter Rational Functions for Coupling Matrix Synthesis of Contiguous-Band Diplexers
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2025.3538717
Abstract: Diplexer synthesis is challenging due to the strong interaction between channels. Conventional synthesis techniques decompose a diplexer into two bandpass filters connected to a junction and try to restore Chebyshev characteristics for the channel filters.… read more here.
Keywords: contiguous band; coupling matrix; synthesis; three port ... See more keywords