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A Novel VSS-LMS Algorithm Based on Modified Versoria Function for Anti-Jamming [PDF]

open access: yesSensors
In the sensor array signal reception system, improving the accuracy of weak-signal detection is crucial. Traditional fixed-step algorithms struggle to balance the convergence rate (CR) and low steady-state error (SSE) owing to their inherent trade-off ...
Binghe Tian   +4 more
doaj   +2 more sources

PSOTSC: A Global-Oriented Trajectory Segmentation and Compression Algorithm Based on Swarm Intelligence

open access: yesISPRS International Journal of Geo-Information, 2021
Linear approximate segmentation and data compression of moving target spatio-temporal trajectory can reduce data storage pressure and improve the efficiency of target motion pattern mining.
Zhihong Ouyang   +3 more
doaj   +1 more source

Ground Calibration Method of Magnetic Compensation Parameters forMagnetometer Towfish

open access: yes水下无人系统学报, 2023
Magnetometer towfish can be utilized for underwater and aerial towed magnetic field measurements. Although they lack propulsion systems, significant magnetic interference persists, necessitating magnetic interference compensation.
Qi HAN   +5 more
doaj   +1 more source

IN-ME Position Error Compensation Algorithm for the Near-Field Beamforming of UAVs

open access: yesMathematics, 2022
The target of an unmanned aerial vehicle swarm will present near-field characteristics when it is integrated as an array, and the existence of the unmanned aerial vehicle swarm motion error will greatly deteriorate the beam pattern formed by the array ...
Yinan Zhang   +4 more
doaj   +1 more source

Recognition of Noisy Radar Emitter Signals Using a One-Dimensional Deep Residual Shrinkage Network

open access: yesSensors, 2021
Signal features can be obscured in noisy environments, resulting in low accuracy of radar emitter signal recognition based on traditional methods. To improve the ability of learning features from noisy signals, a new radar emitter signal recognition ...
Shengli Zhang   +3 more
doaj   +1 more source

Universal Adversarial Attack via Conditional Sampling for Text Classification

open access: yesApplied Sciences, 2021
Despite deep neural networks (DNNs) having achieved impressive performance in various domains, it has been revealed that DNNs are vulnerable in the face of adversarial examples, which are maliciously crafted by adding human-imperceptible perturbations to
Yu Zhang, Kun Shao, Junan Yang, Hui Liu
doaj   +1 more source

Textual Backdoor Defense via Poisoned Sample Recognition

open access: yesApplied Sciences, 2021
Deep learning models are vulnerable to backdoor attacks. The success rate of textual backdoor attacks based on data poisoning in existing research is as high as 100%.
Kun Shao, Yu Zhang, Junan Yang, Hui Liu
doaj   +1 more source

“Oil-soluble” reversed lipid nanoparticles for oral insulin delivery

open access: yesJournal of Nanobiotechnology, 2020
Background In this study, we aimed to design a novel oral insulin delivery system, named “oil-soluble” reversed lipid nanoparticles (ORLN), in which a hydrophilic insulin molecule is encapsulated by a phospholipid (PC) shell and dissolved in oil to ...
Tao Wang   +5 more
doaj   +1 more source

NC-OFDM Satellite Communication Based on Compressed Spectrum Sensing

open access: yesSensors, 2022
With the fast development of giant LEO constellations, the effective spectrum utilization has been regarded as one of the key orientations for satellite communications.
Yong Wang   +5 more
doaj   +1 more source

A Two-Phase Transfer Learning-Based Power Spectrum Maps Reconstruction Algorithm for Underlay Cognitive Radio Networks

open access: yesIEEE Access, 2020
In the underlay cognitive radio networks, the power spectrum maps (PSMs) estimation is the main challenge in sensing the idle wireless radio resources. Traditional deep learning-based algorithms achieve good estimation performance, under the hypothesis ...
Xu Han, Lei Xue, Ying Xu, Zunyang Liu
doaj   +1 more source

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