A transmitting and receiving structure for high power applications
AIP Advances, 2017 A high-power-capacity transmitting and receiving structure (TRS) is proposed. It has the ability of transmitting the GW-level high power microwave from the microwave sources with the horizontal polarized TE11 mode and receiving the microwave signal from ...
Letian Guo +6 more
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Research progresses on Cherenkov and transit-time high-power microwave sources at NUDT
Matter and Radiation at Extremes, 2016 Research progresses on Cherenkov and transit-time high-power microwave (HPM) sources in National University of Defense Technology (NUDT) of China are presented. The research issues are focused on the following aspects.
Jiande Zhang +9 more
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Theoretical and experimental research on a high efficiency X-band klystron-like RBWO
AIP Advances, 2018 In this paper, we study an X-band klystron-like relativistic backward wave oscillator (RBWO) with a pre-modulation cavity, modulation ridge, drift tube in the slow wave structure (SWS) and extraction cavity in both theoretical and experiment.
Dewen Yang +5 more
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Theoretical Research on Properties of Spatial Harmonics in Corrugated Waveguide
IEEE Access, 2019 This paper investigates the dependence of the properties of the spatial harmonics on the overmoded ratio of the corrugated waveguide operating in TM01 at 30 GHz with the consideration of the effects of the ripple shape.
Yan Teng +8 more
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Suppressing RF breakdown of powerful backward wave oscillator by field redistribution
AIP Advances, 2012 An over mode method for suppressing the RF breakdown on metal surface of resonant reflector cavity in powerful backward wave oscillator is investigated. It is found that the electric field is redistributed and electron emission is restrained with an over
W. Song +5 more
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Design of a High-Isolation n-Way Power Combiner Based on a 2n + 1 Port Mode Network
IEEE Access, 2018 This paper proposes a design method for high-isolation n-way power combiners based on 2n + 1 port mode networks. The scattering matrix of a 2n + 1 port mode network is obtained by rigorously deriving the voltage and current relations.
Letian Guo +4 more
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Analysis of Ohmic loss due to non-ideal boundary in relativistic backward wave oscillator
AIP Advances, 2021 Radio frequency Ohmic loss due to non-ideal conductor boundaries seriously limits the performance of electronic devices. In this paper, the Ohmic losses of two simple models are calculated by particle-in-cell (PIC) simulation, which is also verified by ...
Nongchao Tan +8 more
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Automatic Piecewise Extreme Learning Machine-Based Model for S-Parameters of RF Power Amplifier
Micromachines, 2023 This paper presents an automatic piecewise (Auto-PW) extreme learning machine (ELM) method for S-parameters modeling radio-frequency (RF) power amplifiers (PAs).
Lulu Wang +6 more
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IEEE Access, 2020 The emission uniformity of an annular knife-edged cathode in a coaxial diode with a focusing electrode and operating in a low macro electric field has been investigated.
Xiaoling Wu +5 more
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A GW-level Ku-band oversized coaxial relativistic Cerenkov generator with low guiding magnetic field
AIP Advances, 2019 A novel coaxial relativistic Cerenkov generator (CRCG) operating in quasi-transverse electromagnetic mode is proposed for generating Ku-band high-power microwave radiation.
Xiaoling Wu +7 more
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