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261
Optimization of D2D emergency communication resources for UAV relay based on DA-STD3
Published 2024-11-01“…By designing the reward function and training mechanism, we can achieve good power control and reduce communication interference. …”
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262
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263
Exploring the impact of GeoGebra on preservice teachers’ proficiency in teaching grade 10 parabola functions
Published 2025-07-01“…This paper investigates the development of teaching proficiency among preservice teachers in Grade 10 parabola functions through the use of GeoGebra. A significant number of preservice teachers encounter challenges in effectively teaching parabola functions due to limited resources for illustrating complex mathematical relationships, which can impede both their teaching proficiency and the students' conceptual understanding. …”
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264
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265
Selection for domestication favored taxa characterized by fast growth and tolerance of high intraspecific density
Published 2025-05-01“…We conclude that early agriculturalists selected for domestication wild legumes that performed well in dense monocultures and were more effective in resource capture. …”
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266
Hardcoded vulnerability detection approach for IoT device firmware
Published 2022-10-01“…With the popularization of IoT devices, more and more valuable data is generated.Analyzing and mining big data based on IoT devices has become a hot topic in the academic and industrial circles in recent years.However, due to the lack of necessary detection and protection methods, many IoT devices have serious information security risks.In particular, device hard-coded information is closely related to system encryption and decryption, identity authentication and other functions, which can provide confidentiality protection for core data.Once this information is exploited by malicious attackers, serious consequences such as sensitive information leakage, backdoor attacks, and unauthorized logins will occur.In response to this problem, a multi-type character recognition and positioning scheme was designed and a hard-coded vulnerability detection method in executable files was proposed based on the study of the characteristics of hard-coded vulnerabilities in IoT devices.The proposed method extracted the firmware of IoT devices and filtered all executable files as the source to be analyzed.Then, a solution to identify and locate three types of hard-coded characters was provided.Further, the reachability of the function, where the hard-coded character was located, was analyzed according to the function call relationship.Meanwhile, the instruction heterogeneity was mitigated by an intermediate representation (IR) model.The character and parameter hard-coded values was obtained through a data flow analysis approach.A symbolic execution method was devised to determine the trigger conditions of the hard-coded vulnerabilities, and then the vulnerability detection result was output.On the one hand, the proposed method introduced the method of symbolic execution based on the use of the intermediate representation model, which eliminated the dependency of instruction architecture and reduces the false positive rate of vulnerabilities; On the other hand, this method can integrate characters, files, and cryptographic implementation to realize the different characteristics of three types of hard-coded characters, which increased the coverage of vulnerability detection and improves the versatility of the detection method.The experimental results show that the proposed method can effectively detect three types of hard-coded vulnerabilities of characters, files and cryptographic implementation in various IoT devices, and has good detection accuracy, which can provide certain guidance for the deployment of subsequent security protection technologies.…”
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267
Advanced Nanoscale Functionalities for Water and Energy Technologies
Published 2025-08-01Get full text
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268
RDSM: Underwater multi-AUV relay deployment and selection mechanism in 3D space
Published 2024-01-01“…Underwater Wireless Sensor Networks (UWSNs) are widely used in naval military field and marine resource exploration. However, challenges such as resource inefficiency and unbalanced energy consumption severely hinder their practical applications. …”
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269
Bias‐Independent True Random Number Generator Circuit using Memristor Noise Signals as Entropy Source
Published 2025-06-01“…Finally, the performance of the designed TRNG circuit is evaluated using autocorrelation functions and National Institute of Standards and Technology tests, confirming its capability to produce random number bitstreams.…”
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270
Evaluating habitat selection of François’ langur in the karst mountains of China: Implications for conservation strategies
Published 2024-12-01“…Using species presence data and environmental variables, we analyzed habitat selection through a resource selection function (RSF). …”
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271
Kriging-Based Variable Screening Method for Aircraft Optimization Problems with Expensive Functions
Published 2025-06-01“…The computational complexity of airfoil optimization for aircraft wing designs typically involves high-dimensional parameter spaces defined by geometric variables, where each Computational Fluid Dynamics (CFD) simulation cycle may require significant processing resources. Therefore, performing variable selection to identify influential inputs becomes crucial for minimizing the number of necessary model evaluations, particularly when dealing with complex systems exhibiting nonlinear and poorly understood input–output relationships. …”
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272
Optimization of CNN Activation Functions using Xception for South Sulawesi Batik Classification
Published 2025-09-01“…The results demonstrate that selecting an optimal activation function substantially enhances convolutional neural network classification of complex batik patterns. …”
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273
Merging Surface Plasmon Optical Detection with Electronic Sensing
Published 2024-04-01Get full text
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274
Image Processing for Laser Impact Detection in Shooting Simulators
Published 2025-03-01“…Moreover, wired setups limit their use in outdoor environments due to the lack of access to a power source. This study developed an image-processing-based method to replace live ammunition with a laser-emitting device. …”
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275
An AI-Based Open-Source Software for <i>Varroa</i> Mite Fall Analysis in Honeybee Colonies
Published 2025-04-01Get full text
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276
Infrared Satellite Detection Limits for Monitoring Atmospheric Ammonia
Published 2025-01-01“…Information on the frequency of a given detection limit, and the cumulative probability of detection, are provided as a function of instrument spectral resolution and noise. …”
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277
Is Clonal Integration a Buffer for the Stress of Resource Acquisition Depletion in <i>Eichhornia crassipes</i> (Pontederiaceae) Ramets?
Published 2024-11-01“…Natural selection favors the allocation of finite resources to different functions maximizing fitness. …”
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278
High-Quality and Enhanced-Resolution Single-Pixel Imaging Based on Spiral Line Array Laser Source
Published 2024-01-01“…We propose a spiral line array laser source which can generate random illumination light fields without periodicity in the normalized second-order correlation function <italic>g</italic><sup>(2)</sup>. …”
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279
Distributed Decision Making for Electromagnetic Radiation Source Localization Using Multi-Agent Deep Reinforcement Learning
Published 2025-03-01“…The detection and localization of radiation sources in urban areas present significant challenges in electromagnetic spectrum operations, particularly with the proliferation of small UAVs. …”
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280
Characteristics, Distribution, and Source Analysis of the Main Persistent Toxic Substances in Karst Groundwater at Jinan in North China
Published 2020-01-01“…Karst water in northern China is an important water source for economic and social development in its distribution area and water source for ecological function guarantee. …”
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