A Numerical Model for Mode Characteristic Analyses of a Rectangular Cavity Loaded With Two Parallel Ladders

Zhang, Changqing; Lü, Suye; Zhao, Ding

doi:10.1109/ted.2016.2530820

Cited by 3 publications

(2 citation statements)

References 13 publications

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“…A I + , A II − , A I − , and A II + are vector elements representing the amplitude coefficient of the mode propagating. By employing the boundary conditions on the plane Z = 0, it gives 16

{<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{I+}+{<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{I-}={N}_{{hh}}\left({<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{{II}+}+{<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{{II}-}\right),

{<mpadded xmlns="http://www.w3.org/1998/Math/MathML">N</mpadded>}_{{hh}}^{T}\left({<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{I+}-{<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{I-}\right)={<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{{II}+}-{<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{{II}-}.

…”

Section: Theory and Designmentioning

confidence: 99%

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A narrow‐band overmoded rectangular waveguide filter for high‐power microwaves (HPMs)

Zheng

et al. 2023

Micro & Optical Tech Letters

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An overmoded rectangular waveguide filter with the advantages of narrowband and high power is presented in this paper. The transmission efficiency of each mode in the filter is analyzed based on mode-matching techniques and optimized by combining it with the calculation method. Due to the overmoded waveguide and direct coupling topology, the designed structure has characteristics of narrowband and high power. The overall size of the proposed filter is only 17.45 × 36.20 × 126.67 mm 3 (0.54λ 0 × 1.12λ 0 × 3.93λ 0 , λ 0 is the wavelength of the center frequency in free space). The test results match well with the simulated ones and they both show that the transmission efficiency of TE 10 mode is higher than 99.77%. Meanwhile, the proposed filter achieves 1% fractional bandwidth and 134.5 kW power capacity, which reveals that the filter has both narrow-band and high-power characteristics. The designed filter would be an attractive candidate for HPM systems.

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“…A I + , A II − , A I − , and A II + are vector elements representing the amplitude coefficient of the mode propagating. By employing the boundary conditions on the plane Z = 0, it gives 16

{<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{I+}+{<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{I-}={N}_{{hh}}\left({<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{{II}+}+{<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{{II}-}\right),

{<mpadded xmlns="http://www.w3.org/1998/Math/MathML">N</mpadded>}_{{hh}}^{T}\left({<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{I+}-{<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{I-}\right)={<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{{II}+}-{<mpadded xmlns="http://www.w3.org/1998/Math/MathML">A</mpadded>}_{h}^{{II}-}.

…”

Section: Theory and Designmentioning

confidence: 99%

“…A I+ , A II− , A I− , and A II+ are vector elements representing the amplitude coefficient of the mode propagating. By employing the boundary conditions on the plane Z = 0, it gives 16 ( )…”

Section: H-plane Stepmentioning

confidence: 99%

A narrow‐band overmoded rectangular waveguide filter for high‐power microwaves (HPMs)

Zheng

et al. 2023

Micro & Optical Tech Letters

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Insights into the electromagnetic properties of the resonant slow-wave circuits from the resonant cavity perspective

Lü

Zhang

et al. 2019

AIP Advances

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A multigap resonant cavity can simply be regarded as either a slow-wave structure (SWS) with shorted ends or as a resonator. However, two distinct physical images will be obtained when characterizing the electromagnetic properties of such circuits. In particular, dispersion is no longer a necessary concept from the resonant cavity perspective. The periodicity of the circuit and the synchronization characteristics with the beam are incorporated in the longitudinal electric field shape. Thus, we present insights from the resonant cavity perspective by taking the resonant rectangular grating SWS as an example. It is found that even if the fields are originally expressed as normal modes, they can be transformed into the space harmonic form. This is thought to be the result of the periodicity of the circuit, which provides a connection between the multigap resonant cavity and the SWS. We present the findings and discuss their physical significance.

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Accurate Theoretical Model for the High-Frequency Characteristics of the Ladder Multigap Resonant Cavity

Lü

Wang

Zhang

et al. 2017

IEEE Trans. Plasma Sci.

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A Numerical Model for Mode Characteristic Analyses of a Rectangular Cavity Loaded With Two Parallel Ladders

Cited by 3 publications

References 13 publications

A narrow‐band overmoded rectangular waveguide filter for high‐power microwaves (HPMs)

A narrow‐band overmoded rectangular waveguide filter for high‐power microwaves (HPMs)

Insights into the electromagnetic properties of the resonant slow-wave circuits from the resonant cavity perspective

Accurate Theoretical Model for the High-Frequency Characteristics of the Ladder Multigap Resonant Cavity

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