SUPERHETERODYNE

作品数：5被引量：74H指数：1
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相关领域：电子电信更多>>
相关期刊：《Chinese Physics B》《Chinese Optics Letters》《Journal of Electromagnetic Analysis and Applications》《China Communications》更多>>
相关基金：国家自然科学基金国家高技术研究发展计划更多>>
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Influence of quasi-electrostatic support on amplification of space charge waves in amplification section of a superheterodyne free electron laser
《Chinese Physics B》2025年第1期308-313,共6页A.V.Lysenko S.S.Ilin 
A theoretical study of the influence of a quasi-electrostatic support on the amplification level of the slow space charge wave(SCW) in the amplification section of a superheterodyne free electron laser(FEL) was carrie...
关键词：superheterodyne free-electron lasers space charge waves electrostatic undulator quasielectrostatic support 
High synchronization absolute distance measurement using a heterodyne and superheterodyne combined interferometer
《Chinese Optics Letters》2024年第1期47-51,共5页殷子淇 李芳妃 孙云科 邹运 王彦 杨宏兴 胡鹏程 付海金 谭久彬 
supported by the National Natural Science Foundation of China(No.52175500);the National Key Research and Development Program of China(No.2022YFF0605102);the Natural Science Foundation of Heilongjiang Province(No.LH2019E048)。
We propose an absolute distance measurement method that employs heterodyne and superheterodyne combined interferometers to achieve synchronous detection and demodulation of multiwavelengths.Coarse and fine synthetic w...
关键词：MULTIWAVELENGTH absolute distance superheterodyne interferometry phase synchronization 
Different Geometries of Superheterodyne Amplification of Electromagnetic Beams in Waveguides Nitride-Dielectric
《Journal of Electromagnetic Analysis and Applications》2020年第11期159-168,共10页Jesus Escobedo-Alatorre Volodymyr Grimalsky Svetlana Koshevaya Margarita Tecpoyotl-Torres 
The superheterodyne amplification of electromagnetic waves is investigated when the resonant three-wave interaction of two electromagnetic waves with the space charge wave occurs in the waveguides nitride n-G...
关键词：Superheterodyne Amplification Negative Differential Conductivity Space Charge Wave Nitride Films Terahertz Range 
A Survey on Terahertz Communications被引量：74
《China Communications》2019年第2期1-35,共35页Zhi Chen Xinying Ma Bo Zhang Yaxin Zhang Zhongqian Niu Ningyuan Kuang Wenjie Chen Lingxiang Li Shaoqian Li 
supported by the National High Technology Research and Development Program of China (863 program) of China under Grant No.2011AA010200; supported by the National Natural Science Foundation of China (NSFC) under Grant No.61771116 and No.91738102
With the exponential growth of the data traffic in wireless communication systems, terahertz(THz) frequency band is envisioned as a promising candidate to support ultra-broadband for future beyond fifth generation(5G)...
关键词：Terahertz(THz)communications beyond FIFTH generation(5G) SUPERHETERODYNE receiver modulators ANTENNAS channel model BEAMFORMING technical challenges 
Superheterodyne Amplification for Increase the Working Frequency
《Journal of Electromagnetic Analysis and Applications》2017年第3期43-52,共10页Svetlana Koshevaya Vladimir Grimalsky Yuriy Kotsarenko Margarita Tecpoyotl Jesus Escobedo 
The amplification of microwaves in n-GaAs films has been widely studied. On the other hand, using nonlinear parametric effects in microwave, millimeter, and THz ranges has a large potential. In this paper the resonant...
关键词：Space CHARGE WAVES SUPERHETERODYNE AMPLIFICATION 
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