Results 121 to 130 of about 5,020,295 (161)

High-Speed Reconfigurable Free-Space Optical Interconnects with Carrierless-Amplitude-Phase Modulation and Space-Time-Block Code

Journal of Lightwave Technology, 2019
High-speed interconnects are highly demanded in data centers and high-performance computing, and the use of optical interconnects to replace electrical interconnects has been proposed and widely studied.
Ke Wang, C. Lim, E. Wong, K. Alameh, S. Kandeepan, E. Skafidas   +5 more
semanticscholar   +1 more source

Optical Vector Network Analyzer Based on Unbalanced Amplitude-Phase Modulation

2018Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO), 2018
A comparative analysis of the existing and prospective symmetric type optical vector network analyzers (OVNA) characteristics is carried out. The reserves for improving the metrological and technical-economic characteristics of analyzers of this type ...
T. R. Sakhbiev, Oleg G. Morozov, A. Sakhabutdinov, Ilnur I. Nureev, Lenar M. Faskhutdinov   +4 more
semanticscholar   +1 more source

Amplitude-Phase-Time Block Modulation for Resisting Nonlinear Amplification and Its Application for Energy-Efficient Wireless Communications

IEEE Transactions on Communications
A large proportion of the carbon emissions associated with wireless communications stem from electricity consumption during operation. Spectral efficiency (SE) and energy efficiency (EE) are fundamental considerations in wireless communications. However,
M. Fan, Cheng Yi, Wei Xu, Hai-Ming Wang, Xiao-Hu You   +4 more
semanticscholar   +1 more source

Amplitude-Phase Co-Modulation Radiation-Type Programmable Metasurface for Intelligent IoT Applications

IEEE Internet of Things Journal
Programmable metasurface based on the design philosophy of information metasurfaces have attracted widespread attention in Internet of Things (IoT) in recent years due to their advantages of low cost and low complexity.
Ya-Jie Mu, Jia-Qi Han, Hai-Xia Liu, Long Li   +3 more
semanticscholar   +1 more source

Time‐Space‐Coding Radiation‐Stealth Metasurface with Amplitude‐Phase Co‐Modulation

Advanced Functional Materials
The integrated design of radiation and stealth holds significant importance for radar communication and camouflage. Currently, radar systems primarily rely on radomes for off‐band stealth.
Ya-Jie Mu, De-Xiao Xia, Jia-Qi Han, Xiang-Jin Ma, Xin Wang, Hai-Xia Liu, Long Li   +6 more
semanticscholar   +1 more source

Photonics generation of microwave linearly chirped signal with amplitude and phase modulation capability

, 2021
A photonics method is proposed to generate a microwave linearly chirped signal with improved central frequency, doubling bandwidth, amplitude and phase modulation capability.
Xuan Li, Shanghong Zhao, Guo-Dong Wang
semanticscholar   +1 more source

Amplitude Phase Shift Keying-Aided Space-Time Block Coded Differential Spatial Modulation

ICC 2024 - IEEE International Conference on Communications
In this paper, a novel design of amplitude phase shift keying-aided space-time block coded differential spatial modu-lation (APSK-STBC-DSM) is proposed.
Haihui Zhang, Shuai-Xin Yang, Chaowu Wu, Yue Xiao, Ming Xiao   +4 more
semanticscholar   +1 more source

Novel Local-Chiral Metamaterial: Effective Modulation of Amplitude & Phase for Wideband Polarization-Insensitive Absorption.

ACS Applied Materials and Interfaces
Metamaterial has received widespread research in the fields of electromagnetic stealth due to its characteristics of strong resonance and flexible designability.
Jiang-Yong Liu, Yuping Duan, Wei Chen, Yupeng Shi, Jing-Ru Di, Tuo Zhang, H. Pang, Lingxi Huang, Jian Gong, Jiangang Wang   +9 more
semanticscholar   +1 more source

Effect of Periodic Phase Modulation on the Matched Filtering With Insufficient Phase-Shift Capability

IEEE Transactions on Aerospace and Electronic Systems
Utilizing periodic phase modulation (PPM) can shift the echo spectrum, affecting matched filtering (MF) processing, leading to time delay shift or amplitude attenuation. The prior works on the impact of PPM on MF mainly consider an ideal phase modulation
Hong Xu, Haotian Wei, Hui Chen, Zhanye Chen, Xiao-Yang Zhou, Heng Xu, Ying-Hui Quan   +6 more
semanticscholar   +1 more source

A Novel Amplitude–Phase Synthesis Method for Metasurface-Based Radar Target HRRP Imitation

IEEE transactions on microwave theory and techniques
The radar jamming technology based on metasurfaces has attracted widespread attention in recent years due to its advantages of flexible modulation and low power consumption.
Jin-Xing Guo, Dongfang Guan, Shijian Yu, Xiaolong Su, Zhen Liu   +4 more
semanticscholar   +1 more source