Results 41 to 50 of about 16,976 (274)

Jamming Detection in Broadband Frequency Hopping Systems Based on Multi-Segment Signals Spectrum Clustering

open access: yesIEEE Access, 2021
Accurate jamming detection in the broadband frequency hopping (FH) systems plays a vital role in improving the anti-jamming performance of the communication systems.
Hao Xu, Yufan Cheng, Pengyu Wang
doaj   +1 more source

The Cognitive Communication based Anti-jamming Method for UAV Swarm Communication

open access: yesIOP Conference Series: Materials Science and Engineering, 2020
Abstract The communication environment of intelligent UAV swarm is complex and easy to be interfered by various electromagnetic signals. An anti-jamming method of UAV swarm communication based on cognitive communication is proposed to realize the communication networking function of UAV swarm in certain interference environment. The main
Jian Wu, Rang Liu, Sen Zhao
openaire   +1 more source

Simvastatin Restores Uteroplacental Hemodynamics and Trophoblast Function in Obstetric Antiphospholipid Syndrome in a Placenta‐on‐a‐Chip Model

open access: yesAdvanced Healthcare Materials, EarlyView.
Simvastatin mitigates placental hypoperfusion in OAPS by ameliorating abnormal uteromaternal hemodynamics and enhancing trophoblast invasion via optimized endothelial cell interactions under pathological shear stress, as evidenced by results from a placenta‐on‐a‐chip platform.
Hongli Liu   +10 more
wiley   +1 more source

Public safety and cognitive radio [PDF]

open access: yes, 2009
This book gives comprehensive and balanced coverage of the principles of cognitive radio communications, cognitive networks, and details of their implementation, including the latest developments in the standards and spectrum policy. Case studies, end-of-
Heskamp, Marnix   +2 more
core   +3 more sources

GPCRs in CAR‐T Cell Immunotherapy: Expanding the Target Landscape and Enhancing Therapeutic Efficacy

open access: yesAdvanced Science, EarlyView.
Chimeric antigen receptor T cell therapy faces dual challenges of target scarcity and an immunosuppressive microenvironment in solid tumors. This review highlights how G protein‐coupled receptors can serve as both novel targets to expand the therapeutic scope and functional modules to enhance CAR‐T cell efficacy.
Zhuoqun Liu   +11 more
wiley   +1 more source

Design and Implementation of Intelligent Anti-Interference for Data Link

open access: yes天地一体化信息网络, 2022
The application scenarios and problems faced by data link communication on hypersonic unmanned aerial vehicles were introduced, and the mainstream jamming style categories, development trends and anti-jamming methods in current data link communication ...
Zhen WU   +4 more
doaj   +2 more sources

Intelligent OFDM telecommunication system. Part 1. Model of complex and quaternion systems [PDF]

open access: yes, 2019
In this paper, we aim to investigate the superiority and practicability of many-parameter transforms (MPTs) from the physical layer security (PHY-LS) perspective. We propose novel Intelligent OFDM-telecommunication systems based on complex and quaternion
Labunets, V. G., Ostheimer, E. V.
core  

Anti-jamming Technology in Small Satellite Communication

open access: yesJournal of Physics: Conference Series, 2018
Small satellite communication has an increasingly important position among the wireless communications due to the advantages of low cost and high technology. However, in view of the case that its relay station stays outside the earth, its uplink may face interference from malicious signal frequently.
openaire   +1 more source

Organic Thin‐Film Transistors for Neuromorphic Computing

open access: yesAdvanced Electronic Materials, EarlyView.
Organic thin‐film transistors (OTFTs) are reviewed for neuromorphic computing applications, highlighting their power‐efficient, and biological time‐scale operation. This article surveys OFET and OECT devices, compares them with memristors and CMOS, analyzes how fabrication parameters shape spike‐based metrics, proposes standardized characterization ...
Luke McCarthy   +2 more
wiley   +1 more source

Intelligent OFDM telecommunication system. Part 4. Anti-eavesdropping and anti-jamming properties of the system, based on many-parameter and fractional Fourier transforms [PDF]

open access: yes, 2019
In this paper, we aim to investigate the superiority and practicability of many-parameter wavelet and Golay transforms (MPWT and MPGT) from the physical layer security (PHY-LS) perspective.
Chasovskikh, V. P.   +4 more
core   +1 more source

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