INTER-MODULATION

作品数：7被引量：8H指数：2
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Digital cancellation of multi-band passive inter-modulation based on Wiener-Hammerstein model
《Digital Communications and Networks》2024年第4期1189-1197,共9页Jinxiang Liu Xiaotao Zhang Jun Yang Huiping Yang 
supported by the National Natural Science Foun-dation of China under Grant 11901209,Grant 62374061,and Grant 62271217.
Utilizing multi-band and multi-carrier techniques enhances throughput and capacity in Long-Term Evolution(LTE)-Advanced and 5G New Radio(NR)mobile networks.However,these techniques introduce Passive Inter-Modulation(P...
关键词：Passive inter-modulation Frequency-division duplexing Nonlinear distortion Digital cancellation Spline interpolation Wiener-Hammerstein model 
Bias-Independent Inter-Modulation Method for Simultaneously Measuring Low-Frequency Modulation and Bias Half-Wave Voltages of Mach-Zehnder Modulators
《Photonic Sensors》2023年第2期30-36,共7页Junfeng ZHU Xinhai ZOU Ying XU Yutong HE Yali ZHANG Zhiyao ZHANG Shangjian ZHANG Yong LIU 
supported in part by the National Natural Science Foundation of China(Grant No.61927821);National Key Research and Development Program ofChina(Grant No.2018YFE0201900);Fundamental Research Funds for the Central Universities(Grant No.ZYGX2019Z011).
A bias-independent inter-modulation method is proposed and demonstrated for measuring low-frequency modulation and bias half-wave voltages of Mach-Zehnder modulators(MZMs).The method consists of simultaneous sinusoida...
关键词：Electrooptical modulation fiber optics systems half-wave voltage INTER-MODULATION 
Multiplexing modulation design optimization and quality evaluation of BDS-3 PPP service signal
《Satellite Navigation》2022年第1期47-59,I0003,共14页Cheng Liu Zheng Yao Dun Wang Weiguang Gao Tianxiong Liu Yongnan Rao Dongjun Li Chengeng Su 
supported by China Association for Science and Technology(2019QNRC001);Young Innovation Foundation of Beijing National Research Center for Information Science and Technology(under Grant BNR2021RC01015);National Natural Science Foundation of China(Nos.42074044 and 61771272).
The Precise Point Positioning(PPP)service of BeiDou-3 Navigation Satellite System(BDS-3)is implemented on its Geostationary Earth Orbit(GEO)satellites.However,its signal design is limited by the actual power of satell...
关键词：BEIDOU Precise point positioning Constant envelope multiplexing ACE-BOC Inter-modulation construction 
Superposition Effect of Passive Intermodulation for Cable Assemblies with Discrete Point-Sources被引量：3
《China Communications》2015年第4期97-105,共9页ZHAO Pei ZHANG Xupu YANG Dacheng HU Xiaoyan 
In order to expand the cell coverage of wireless cellular systems, the number of passive components in wireless systems has been substantially increased. There can be many passive intermodulation(PIM) pointsources eve...
关键词：NONLINEARITIES passive inter-modulation（PIM） superposition effect seriesconnection 
Superposition effect of passive inter-modulation for systems operating in multiple carriers
《The Journal of China Universities of Posts and Telecommunications》2013年第5期57-62,共6页ZHAO Pei ZHANG Xu-pu YANG Da-cheng 
Nowadays, more carriers and components are used in cellular networks to satisfy the requirement of high-speed data service. The increase of carriers and components may result in serious problem of passive inter-modula...
关键词：PIM superposition effect MULTICARRIER 
Passive inter-modulation scattering analysis of reflector considering contact nonlinearity被引量：5
《Chinese Journal of Aeronautics》2013年第2期463-469,共7页Jiang Jie Li Tuanjie Liu Yicai 
Passive inter-modulation （PIM） is a form of nonlinear distortion caused by the inherent nonlinearities of the passive devices and components in RF/microwave system. It will degenerate the performance of communicatio...
关键词：Contact nonlinearity Nonlinear distortion Passive inter-modulation Reflector antennas Scattered field Time-domain physical optics 
ANALYSIS AND MEASUREMENT OF LARGE DYNAMIC RANGE RF SWITCH INTER-MODULATION
《Journal of Electronics(China)》2008年第3期422-427,共6页Han Zhouan 
Radio Frequency (RF) switch circuit is the basic part of microwave devices and systems. The non-linearity distortion figure is necessary in the field of large dynamic range of signal. This letter analyzes the basic sw...
关键词：Large dynamic range Radio Frequency （RF） switch Intercept point MEASUREMENT 
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