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181
Defining quantitative parameters and coordinates of the defect signal by acoustic-emission control of cylindrical tanks
Published 2024-02-01“…The approach proposed in the article makes it possible to reduce the error of determining the coordinates of defects, as compared to the expressions in the case of rectilinear wave propagation on a flat surface.…”
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182
Evaluation of Selected Modulation Techniques in Underwater Multipath Channel
Published 2025-01-01“…However, the channel for Underwater Acoustic (UWA) communications is challenging compared to the radio wave propagation in the air. Especially in shallow waters, where the channel has strong multipath effects. …”
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183
Study on Electrical Parameter Matching of Piezoelectric Stack Periodic Strut for Helicopter Cabin Noise Control
Published 2022-01-01“…The propagation of elastic waves in the stopband frequency range is attenuated, which can improve the broadband passive vibration isolation capability of the PSPS; The piezoelectric stacks can adjust the elastic wave propagation in the PSPS and improve the single-frequency or multifrequency active isolation performance of the PSPS. …”
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184
Blasting for Fracturing and Improving the Permeability of Deep, Soft, Outburst Prone Coal Seams Using Blasthole and Relief Hole Drilled into the Underlying Stratum: Optimal Hole Di...
Published 2022-01-01“…By establishing a theoretical model for this purpose, the stress wave propagation characteristics during the blasting process were analyzed, and the working mechanisms of the relief hole and the stress transmission characteristics were investigated. …”
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185
A Comprehensive Propagation Prediction Model Comprising Microfacet Based Scattering and Probability Based Coverage Optimization Algorithm
Published 2014-01-01“…Although ray tracing based propagation prediction models are popular for indoor radio wave propagation characterization, most of them do not provide an integrated approach for achieving the goal of optimum coverage, which is a key part in designing wireless network. …”
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186
<italic>Cₙ</italic>² Modeling for Free-Space Optical Communications: A Review
Published 2025-01-01“…Atmospheric turbulence influence on optical wave propagation, referred to as optical turbulence, has long been studied for astronomical applications and is now being addressed for free-space optical communication links between ground and satellites. …”
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187
Fractional Dynamics: Applications of the Caputo Operator in Solving the Sawada–Kotera and Rosenau–Hyman Equations
Published 2025-01-01“…Special attention is given to the influence of the fractional parameter on behavior of the solution behavior, highlighting its role in controlling diffusion and wave propagation. The findings underscore the potential of q-HMTM and MVIM as robust tools for solving non-linear fractional differential equations. …”
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188
Assessment of landslide generated impulse waves in dam reservoirs using empirical relations: a case study on Borçka Dam
Published 2020-07-01“…Considering the 4-meter freeboard for the dam, it was determined that the wave propagating through the reservoir and reaching the dam body would not create a danger for the body. …”
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189
Physical and mechanical aging of wood-plastic composites. Non-destructive methods for quality control
Published 2025-01-01“…The non-destructive methods used proved to be reliable estimators of composite properties, especially ultrasound wave propagation, confirming previous findings on other materials. …”
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190
Spatial Characteristics of Wideband Channels Using Leaky Coaxial Cables in Tunnel Scenario
Published 2019-01-01“…A ray tracing phenomenon was exploited to visualize the wave propagation for different transmitter and receiver antenna distances by using the time domain approach for both the horizontally and vertically polarized LCXs. …”
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191
Investigation on the Effects of Prefabricated Crack and Strain Rate on Uniaxial Compressive Properties of Frozen Silty Soil
Published 2020-01-01“…However, tensile cracks parallel to stress wave propagation direction were observed for the frozen silty soil specimen with prefabricated crack.…”
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192
Novel Visualization of Building Earthquake Response Recorded by a Dense Network of Sensors
Published 2025-01-01“…The animations provide invaluable insight into the 3D structural response of the building as a whole, including wave propagation through the structure and the interplay between translations and rotations, which will be useful for testing existing and developing new methods for structural health monitoring of buildings and for the further development of building design codes. …”
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193
One-Dimensional Simulation of the In-Situ Oil Combustion with Consideration to Fluid and Solid Combustible Components
Published 2019-02-01“…Calculations shown, that thermal wave propagation velocity, at least after passing the “peaks” and transition to quasi-steady regime, does not considerably depend on mass traction of the fluid component in the system. …”
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194
DNA origami-designed 3D phononic crystals
Published 2023-05-01“…To this end, 3D phononic crystals (PnCs) have been considered the gold standard because their complete phononic bandgap (PnBG) enables omnidirectional inhibition of phononic wave propagation. Nevertheless, achieving a complete PnBG in the high-frequency regime is still challenging, as attaining the correspondingly demanded mesoscale 3D crystals consisting of continuous frame networks with conventional fabrications is difficult. …”
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195
Deep Learning Model for CS-Based Signal Recovery for IRS-Assisted Near-Field THz MIMO System
Published 2024-01-01“…A promising solution to navigate these obstacles involves the use of intelligent reflecting surfaces (IRS)-enhanced multiple-input multiple-output (MIMO) technology, which steers THz wave propagation. However, the substantial dimensions associated with IRS and MIMO extend the near-field, particularly at THz frequencies, as indicated by the Rayleigh distance and suffer from beam squint. …”
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196
Experimental study and field application of hydraulic flushing technology in soft coal seam
Published 2025-01-01“…Additionally, the amplitude of stress wave is positively correlated with the density of the sample, with low-strength samples exhibiting extensive stress wave propagation and minimal attenuation. The stress wave vibration is multi-directional, which can maximize the instability and destruction of the internal structure of the coal body. …”
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197
Resource-Efficient Acoustic Full-Waveform Inversion via Dual-Branch Physics-Informed RNN with Scale Decomposition
Published 2025-01-01“…However, these approaches demand considerable storage to capture spatiotemporal seismic wave propagation fields and their gradient information, often exceeding the memory capabilities of current GPU resources during field data processing. …”
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198
Multiscale Method for Seismic Response of Near-Source Sites
Published 2020-01-01“…The generalized free-field seismic response of the near-source region is obtained by establishing a large-scale calculation model of the source site and is used to simulate the fracture mechanism of faults and the process of seismic wave propagation. Then, using the method of seismic wave input based on artificial boundary substructures, the free-field motion of the wave is transformed into the equivalent seismic load, which is the seismic wave input data for the small-scale region of interest. …”
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199
Non-unit protection method for boundary-component-free MTDC systems using normalized backward traveling waves
Published 2025-03-01“…Firstly, traveling wave propagation characteristics are analyzed, and a rationalization approach based on vector fitting is proposed. …”
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200
A Deep-Learning Approach to a Volumetric Radio Environment Map Construction for UAV-Assisted Networks
Published 2024-01-01“…This neglects the altitude-related characteristics of electromagnetic wave propagation and confines REMs to 2D formats, which limits the comprehensive and continuous visualization of propagation environment variation in spatial dimensions. …”
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