Results 1 to 10 of about 549,979 (269)
A G-Band Broadband Continuous Wave Traveling Wave Tube for Wireless Communications
Micromachines, 2022 Development of a G-band broadband continuous wave (CW) traveling wave tube (TWT) for wireless communications is described in this paper. This device provides the saturation output power over 8 W and the saturation gain over 30.5 dB with a bandwidth of 27
Yuan Feng +5 more
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Vertical Nanoscale Vacuum Channel Triodes Based on the Material System of Vacuum Electronics
Micromachines, 2023 Nanoscale vacuum channel triodes realize the vacuum-like transmission of electrons in the atmosphere because the transmission distance is less than the mean free path of electrons in air.
Panyang Han +3 more
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Development and Application Prospect of Space Electric Propulsion Technology
气体物理, 2023 Space electric propulsion technology has entered a new stage of maturity and full application in China. In order to further promote and accelerate the development of electric propulsion technology, this paper adopted the methods of investigation and ...
Hai GENG +8 more
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Advances in Materials Science and Engineering, 2022 A range of titanium diaphragms for spacecraft propellant tanks are designed in detail, and two typical titanium diaphragms were manufactured and corresponding reversal tests were developed.
Tianju Ma +5 more
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Frontiers in Physics, 2022 In order to get a better tradeoff between the long lifetime and high performances of cesium beam atomic clocks, we proposed a design scheme of compact optically pumped cesium beam tube (OPCBT) based on hexapole magnetic focusing (HMF) system for the ...
Haijun Chen +3 more
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Spatial evolution characteristics of ion and electron flow for 300 W class low-power Hall thruster
AIP Advances, 2021 The Faraday probe and cylindrical Langmuir probe were used to characterize the downstream ion and electron spatial evolution of a 300 W class low-power Hall thruster.
Xinwei Chen +10 more
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Vacuum Gasification-Directional Condensation for Separation of Tellurium from Lead Anode Slime
Metals, 2021 Tellurium is the indispensable base material of semiconductors in solar panels. Traditional tellurium recycling, a highly complicated separation process, has exhausted reagents and energy sources whilst producing waste residue and water containing ...
Zhe Gao +7 more
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New Vacuum Electronic Devices for Radar
Leida xuebao, 2016 Vacuum Electronic Devices (VEDs) which are considered as the heart of a radar system, play an important role in their development. VEDs and radar systems supplement and promote each other.
Hu Yinfu, Feng Jinjun
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Analysis of Suitability of Fixed-wing Aircraft for Launching Satellites into Low Earth Orbit [PDF]
Problemy MechatronikiThe use of near-Earth space for scientific and commercial purposes has skyrocketed in recent years. However, progress continues to be hampered by the cost and availability of vehicles relied upon for delivering payloads to the Earth’s orbit.
Zbigniew KORUBA (ksmzko@tu.kielce.pl) +3 more
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Electronics Letters, 2023 An ultrashort H‐plane sheet beam traveling‐wave tube (SB‐TWT) coupler without transition structure is proposed. The coupler adopts a new idea of directly coupling the microwave from H‐plane of the slow‐wave circuit (SWC) and optimizes the matching by ...
Zheng Guo +3 more
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