Results 11 to 20 of about 7,167,662 (342)

A Method of Noise Reduction for Radio Communication Signal Based on RaGAN

open access: yesSensors, 2023
Radio signals are polluted by noise in the process of channel transmission, which will lead to signal distortion. Noise reduction of radio signals is an effective means to eliminate the impact of noise.
Liang Peng   +4 more
doaj   +1 more source

Cycle Slips Detection for Triple-Frequency Signals of BDS by Combining Carrier Phase and Doppler Measurements

open access: yesIEEE Access, 2020
A new model is presented to resolve cycle slips detection for triple-frequency observations of BeiDou navigation satellite system (BDS) in this article when pseudorange observations are missing or insufficiently accurate under harsh or special situations.
Zengkai Shi   +4 more
doaj   +1 more source

Covert Performance for Integrated Satellite Multiple Terrestrial Relay Networks with Partial Relay Selection

open access: yesSensors, 2022
Integrated satellite multiple terrestrial relay network (ISMTRN) is a new network architecture that combines satellite communication with terrestrial communication.
Zeke Wu   +4 more
doaj   +1 more source

Space Information Networks [PDF]

open access: yesIEEE Wireless Communications, 2019
The eight articles in this special section focus on space information networks. With the growing demand for real-time communications anywhere for anyone, satellite communications are widely expended using different platforms on geostationary Earth orbit (GEO) satellites and medium/low Earth orbit (M/LEO) satellites.
Bai, L.   +3 more
openaire   +2 more sources

Scholars’ domain of information space

open access: yesPUBMET, 2022
The article addresses scholars’ information behaviour and how they use technology to acquire information in three areas of their work: teaching, research, and administrative responsibilities. Research in information behaviour highlights fundamental problems concerning information availability, recognisability, and context (Jones et al., 2017).
Mihaela Banek Zorica   +2 more
openaire   +4 more sources

HFCC-Net: A Dual-Branch Hybrid Framework of CNN and CapsNet for Land-Use Scene Classification

open access: yesRemote Sensing, 2023
Land-use scene classification (LUSC) is a key technique in the field of remote sensing imagery (RSI) interpretation. A convolutional neural network (CNN) is widely used for its ability to autonomously and efficiently extract deep semantic feature maps ...
Ningbo Guo   +6 more
doaj   +1 more source

ResNet-AE for Radar Signal Anomaly Detection

open access: yesSensors, 2022
Radar signal anomaly detection is an effective method to detect potential threat targets. Given the low Accuracy of the traditional AE model and the complex network of GAN, an anomaly detection method based on ResNet-AE is proposed.
Donghang Cheng   +4 more
doaj   +1 more source

CRABR-Net: A Contextual Relational Attention-Based Recognition Network for Remote Sensing Scene Objective

open access: yesSensors, 2023
Remote sensing scene objective recognition (RSSOR) plays a serious application value in both military and civilian fields. Convolutional neural networks (CNNs) have greatly enhanced the improvement of intelligent objective recognition technology for ...
Ningbo Guo   +5 more
doaj   +1 more source

ADS-Net:An Attention-Based deeply supervised network for remote sensing image change detection

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2021
Change detection technology is an important key to analyze remote sensing data and is of great significance for accurate comprehension of the earth's surface changes.
Decheng Wang   +5 more
doaj   +1 more source

Iterated Orthogonal Simplex Cubature Kalman Filter and Its Applications in Target Tracking

open access: yesApplied Sciences, 2023
In order to increase a nonlinear system’s state estimate precision, an iterated orthogonal simplex cubature Kalman filter (IOSCKF) is presented in this study for target tracking.
Zhaoming Li   +3 more
doaj   +1 more source

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