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481
Spectral Analysis of Cough Sounds in Patients with Chronic Bronchitis
Published 2025-06-01“…We estimated the time-frequency parameters of sounds of the entire cough episode, as well as for separated phases of the cough sound: duration (T, T1, T2, T3), the ratio of the energy of low and medium frequencies (60–600Hz) to the energy of high frequencies (600–6000Hz) (Q, Q1, Q2, Q3), and the frequency of maximum sound energy (Hz) (Fmax, Fmax1, Fmax2, Fmax3). …”
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482
Data driven multi-objective optimization of sustainable aviation emergency network for forest fire rescue
Published 2025-01-01“…To solve the model, an algorithm incorporating the NSGA-II algorithm and SAA method is proposed. …”
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483
Ship heading and trajectory control method based on L1-GPR
Published 2025-02-01“…ObjectivesIntelligent ships at sea are influenced by environmental interference, and the influence of the uncertainty of model parameters leads to the problem of low ship motion control accuracy, so it is necessary to improve the resistance of the ship's control algorithm to such interference. …”
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484
Enhancing Weather Target Detection with Non-Uniform Pulse Repetition Time (NPRT) Waveforms
Published 2024-11-01“…The current study evaluates the adaptability/capability of a specific type of low-capture signal called the non-uniform PRT (NPRT) through analyzing the weather target characteristics of typical velocity distributions. …”
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485
Effects of Decision Variables Selection on Sewer Optimization Problem
Published 2025-04-01“…The alternative using only node elevation as a decision variable, that is, Alternative 6, had the lowest average cost, 81345.91, with a very low standard deviation, 28.35, showing maximum consistency. …”
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486
Pointer Meter Reading Recognition Based on YOLOv11-OBB Rotated Object Detection
Published 2025-07-01“…The average relative error of readings is 0.41568%, with a maximum relative error of less than 1.1468%. Furthermore, the method exhibits robustness and reliability when handling low-quality meter images characterized by blur, darkness, overexposure, and tilt. …”
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487
Deep learning analysis of exercise stress electrocardiography for identification of significant coronary artery disease
Published 2025-03-01“…We also included 197 individuals with normal ExECG and low risk of CAD. A convolutional recurrent neural network algorithm, integrating electrocardiographic (ECG) signals and features from ExECG reports, was developed to predict the risk of significant CAD. …”
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488
Rural Landscape Characters and Spatial Correlation Mechanism in the Tiaoxi River – Canal Basin in Zhejiang Province
Published 2025-04-01“…At the rural community scale, through spatial maximum expectation (EM) clustering, the types of rural landscape characters are classified and spatially mapped through simulation algorithms.ResultsIn terms of the spatial correlation of water network − canal channel − rural landscape within the Tiaoxi River − Canal Basin, the research identifies three major landscape character zones including the West Tiaoxi River − Ditang Canal Basin, East Tiaoxi River − Jiangnan Canal Basin, and Hangzhoutang River − Hangzhou − Jiaxing Canal Basin. …”
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489
Automated Computer Vision System for Urine Color Detection
Published 2023-03-01“…The results showed that the proposed system has high accuracy (approximately about 97%) in detecting urine color under different light conditions, with low cost, short time, and easy implementation. In the comparison with the current methods the proposed system has maximum accuracy and minimum error rate. …”
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490
Joint Optimization of Task Completion Time and Energy Consumption in UAV-Enabled Mobile Edge Computing
Published 2025-04-01“…Additionally, we draw on the concept of maximum completion time in shop-floor scheduling to optimize the actual response latency. …”
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491
High-Efficiency Switched-Capacitor Multilevel Inverter Topology With Lower Number of Switching Components
Published 2025-01-01“…The proposed SCMLI topology is further analyzed by integrating a solar PV system with a maximum power point tracking (MPPT) algorithm to ensure optimal power extraction. …”
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492
STRUCTURE OF THE LITHOSPHERE AND SEISMOTECTONIC DEFORMATIONS IN CONTACT ZONE OF LITHOSPHERIC PLATES IN THE SUMATRA ISLAND REGION
Published 2015-09-01“…The inversion seismic tomography algorithm (ITS) was used to calculate 3D seismic anomalies models for velocities of P- and S-waves in the zone of the Sunda arc, Indonesia. …”
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493
Correction of Disturbances Influence on Results of Elongated Objects's Probe Microscopy Using Predictive Relief Estimates
Published 2025-07-01“…Studies have shown that an increase in the integral prediction error is a indication of the need for additional image filtering from low-frequency or shock interference. At the same time, the use of predictive images reduces the relative deviation of the number of unrecognized skeletons and the average deviation of the maximum measured length. …”
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494
A linear oscillator model predicts dynamic temporal attention and pupillary entrainment to rhythmic patterns
Published 2018-11-01“…An adaptive thresholding algorithm adjusted deviant in- tensity at multiple probed temporal locations throughout each rhythmic stimulus. …”
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495
WORKING ANALYSIS OF SPACE TIME TRELLIS CODE ON WIFI MIMO(2X2) SYSTEM OFDM
Published 2021-12-01“…The simulation that is carried out presents the STTC and OFDM schemes on multi antennas (2 transmitters x 2 receivers) with a Combiner and Maximum Likelihood Sequence Estimator (MLSE) detection algorithm on the receiver. …”
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496
A Novel Metaheuristic-Based Methodology for Attack Detection in Wireless Communication Networks
Published 2025-05-01“…Extensive experiments conducted on a recent dataset of network traffic demonstrate that the system can adapt to both binary and multiclass classification tasks for high-dimensional and imbalanced data. The results show a low false-positive rate and a high level of accuracy, with a maximum of 99.97% for multilabel attack detection and 99.99% for binary task classification, validating the effectiveness of the proposed framework in the 5G wireless context.…”
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497
ACCOUNTING OF INSTRUMENTAL ERRORS IN THE CONTROL OF WINDINGS OF ELECTRICAL MACHINES WITH THE USE OF QUASI-PERIODIC TEST SIGNALS
Published 2018-05-01“…It is proposed to increase the accuracy of measurements due to the replacement the low-sensitivity registration of alterations in the time parameters of signals with the registration of alterations in the parameters of the characteristic harmonic components of the spectrum, which have a maximum sensitivity to deviations of the controlled parameter and a minimum sensitivity to deviations caused by the instability of the measuring equipment. …”
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498
Quantitative study on the fate of residual soil nitrate in winter wheat based on a 15N-labeling method.
Published 2017-01-01“…Upward and downward movements in the RSN were observed, and the maximum upward and downward distances were 40 cm and 100 cm, respectively. …”
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499
Three-dimensional reconstruction and structural surface identification of high steep slopes based on UAV close-range photogrammetry
Published 2025-02-01“…The results indicate a 99.6% passing rate for point cloud coplanarity detection, with a maximum deviation in identified orientation parameters of only 4.82°. …”
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500
Research and Development of an IoT Smart Irrigation System for Farmland Based on LoRa and Edge Computing
Published 2025-01-01“…These developments are based on the EC-IOT edge computing IoT architecture and long range radio (LoRa) communication technology, utilizing STM32 MCU, WH-101-L low-power LoRa modules, 4G modules, high-precision GPS, and other devices. …”
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