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Journal articles on the topic 'Sound-waves – Scattering Remote sensing systems'

Author: Grafiati

Published: 10 December 2022

Last updated: 31 July 2025

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1

Godin, Oleg A., and Kay L. Gemba. "Graduate programs in physical, engineering, and underwater acoustics at the Naval Postgraduate School." Journal of the Acoustical Society of America 152, no. 4 (2022): A122. http://dx.doi.org/10.1121/10.0015752.

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The Departments of Physics and of Electrical and Computer Engineering at the Naval Postgraduate School offer graduate programs in acoustics leading to MS and PhD degrees in applied physics and engineering acoustics. Engineering acoustics degrees can be completed in either traditional or distance learning modes. The departments also offer stand-alone academic certificate programs in fundamentals of engineering acoustics, underwater acoustics, and sonar system applications, with a set of three certificates leading to a MS degree in engineering acoustics. MS and PhD programs are interdisciplinary

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2

Kosteev, D. A., N. A. Bogatov, A. V. Ermoshkin, et al. "Application of Low-Frequency Acoustic Signals to Study Underwater Gas Seepage." Akustičeskij žurnal 70, no. 4 (2024): 551–65. https://doi.org/10.31857/s0320791924040091.

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Remote sensing of seeps, the release of gas (mainly methane) from the seabed, is an urgent task. The importance of detecting seeps in Arctic shelf zone region is constantly growing due to the degradation of underwater permafrost and the release of gas hydrates. Gas bubbles scatter underwater sound and their resonant frequencies correspond are in the kilohertz range for seeps observed in nature. A promising method for detecting and studying seeps is probing with underwater sound near the denoted resonant frequency. This corresponds to a decrease in the operating frequency relative to the tradit

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Ermoshkin, Alexey V., Ivan A. Kapustin, Dmitry A. Kosteev, Alexander A. Ponomarenko, Dmitrii D. Razumov, and Mikhail B. Salin. "Monitoring Sea Currents with Midrange Acoustic Backscattering." Water 15, no. 11 (2023): 2016. http://dx.doi.org/10.3390/w15112016.

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This paper is devoted to an acoustical method of measuring mesoscale sea and ocean currents. Due to the fact that such currents exhibit variability, long-term studies are of great interest. The aim of this study is to prepare a physical foundation to organize current measurements in an automated way using stationary mounted underwater echosounding systems. An acoustic system operating at a frequency of 1–3 kHz (lower than commercial frequencies) that is capable of sensing echo signals from natural inhomogeneities located at distances of 1 to 10 km was tested. The test was conducted during a tw

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Velichko, S., A. Matveev, D. Bychkov, V. Ivanov, V. Tsymbal, and O. Gavrilenko. "Radar monitoring of long surface waves in the pacific ocean." RADIOFIZIKA I ELEKTRONIKA 26, no. 1 (2021): 3–11. http://dx.doi.org/10.15407/rej2021.01.003.

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Subject and Purpose. The paper addresses interaction processes going in the ocean–atmosphere system and is concerned with their research by the method of radar remote sensing. Specifically, the matter of concern is the detection and parameter estimation of long waves, including nonlinear ones, on the ocean surface. Methods and Methodology. In August 1988, a series of successive radar surveys of long surface wave manifestations on the Pacific Ocean surface was carried out in the 3 cm wave range by means of an airborne X-band radar system “Analog”. The analysis of the results includes estimation

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Jia, Xiaozhe, Hongrui Tan, Xinyu Dong, Fuju Ye, Haoyang Cui, and Lei Chen. "Dual-Polarized Reconfigurable Manipulation Based on Flexible-Printed Intelligent Reflection Surface." Photonics 11, no. 1 (2024): 69. http://dx.doi.org/10.3390/photonics11010069.

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In the background of 6G communication requiring a high data rate and energy efficiency, global coverage and connectivity, as well as high reliability and low latency, most existing reconfigurable metasurfaces face limitations in flexibility, integrability, energy consumption, and cost. This paper proposes a dual-polarized intelligent reflection surface (IRS) based on a paper-based flexible substrate as a solution. The proposed design uniquely enables the independent control of two orthogonally polarized electromagnetic waves to achieve customized scattering effects. Compared to conventional re

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Anderson, John T., D. Van Holliday, Rudy Kloser, Dave G. Reid, and Yvan Simard. "Acoustic seabed classification: current practice and future directions." ICES Journal of Marine Science 65, no. 6 (2008): 1004–11. http://dx.doi.org/10.1093/icesjms/fsn061.

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Abstract Anderson, J. T., Holliday, D. V., Kloser, R., Reid, D. G., and Simard, Y. 2008. Acoustic seabed classification: current practice and future directions. – ICES Journal of Marine Science, 65: 1004–1011. Acoustic remote sensing of the seabed using single-beam echosounders, multibeam echosounders, and sidescan sonars combined and individually are providing technological solutions to marine-habitat mapping initiatives. We believe the science of acoustic seabed classification (ASC) is at its nascence. A comprehensive review of ASC science was undertaken by an international group of scientis

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Ostashev, Vladimir E., and D. Keith Wilson. "Sound propagation and scattering in turbulent media." Journal of the Acoustical Society of America 152, no. 4 (2022): A151. http://dx.doi.org/10.1121/10.0015855.

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This presentation overviews sound propagation and scattering in turbulent media and pertinent acoustic remote sensing of turbulence. Although sound propagation through a turbulent atmosphere is mainly considered, the presented results apply to other media such as oceanic turbulence. Formulations are provided for various statistical characteristics of acoustic signals such as the scattering cross section, the variances of the phase and log-amplitude fluctuations, the spatial, temporal, and cross-frequency coherences, and the probability density functions. Monte Carlo simulation of sound propaga

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Bao, Xiaoyi, and Yuan Wang. "Recent Advancements in Rayleigh Scattering-Based Distributed Fiber Sensors." Advanced Devices & Instrumentation 2021 (March 11, 2021): 1–17. http://dx.doi.org/10.34133/2021/8696571.

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Recently, Rayleigh scattering-based distributed fiber sensors have been widely used for measurement of static and dynamic phenomena such as temperature change, dynamic strain, and sound waves. In this review paper, several sensing systems including traditional Rayleigh optical time domain reflectometry (OTDR), Φ-OTDR, chirped pulse Φ-OTDR, and optical frequency domain reflectometry (OFDR) are introduced for their working principles and recent progress with different instrumentations for various applications. Beyond the sensing technology and instrumentation, we also discuss new types of fiber

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9

Howe, Bruce M., and James H. Miller. "Acoustic Sensing for Ocean Research." Marine Technology Society Journal 38, no. 2 (2004): 144–54. http://dx.doi.org/10.4031/002533204787522811.

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Ocean observatories have the potential to examine the physical, chemical, biological, and geological parameters and processes of the ocean at time and space scales previously unexplored. Acoustics provides an efficient and cost-effective means by which these parameters and processes can be measured and information can be communicated. Integrated acoustics systems providing navigation and communications and conducting acoustic measurements in support of science applications are, in concept, analogous to the Global Positioning System, but rely on acoustics because the ocean is opaque to electrom

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10

Cai, Chenglin. "The applications of sonar and radar systems in underwater detection." Applied and Computational Engineering 37, no. 1 (2024): 254–58. http://dx.doi.org/10.54254/2755-2721/37/20230519.

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The development of sonar and radar systems utilizing sound and radio waves, respectively, has evolved significantly over the past two centuries. Recent decades have witnessed remarkable progress in remote sensing using high-frequency Doppler radars for marine surface parameter analysis. Understanding animal behavior around sustainable ocean energy sources is crucial for mitigating potential risks linked to such installations. Increasing the Signal-to-Noise Ratio (SNR) enhances signal reception. A technique estimating noise in the detection coil's first half determines the transfer function bet

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11

Shi, Li, Haishan Zou, Xiaojun Qiu, and Kai Chen. "An analysis of a feedback active noise control system using the remote microphone technique." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 268, no. 3 (2023): 5634–44. http://dx.doi.org/10.3397/in_2023_0803.

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This paper examines strategies in virtual sensing feedback active noise control systems and compares the noise reduction performance of three strategies: using physical microphones for direct feedback control, using virtual microphones for direct feedback control, and using physical microphones for indirect virtual feedback control. For a primary sound field with incident waves in a single direction, simulation results indicate that employing a physical microphone for indirect virtual feedback control consistently yields superior noise reduction performance than that using a physical microphon

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12

Wang, Linbo, Yiqi Liu, Pengyu Du, and Fuyin Ma. "Underwater far-field multi-directional compressive sensing metamaterial acoustic imaging device." Journal of the Acoustical Society of America 157, no. 6 (2025): 4069–84. https://doi.org/10.1121/10.0036829.

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Underwater imaging plays an important role in sonar detection. Compressive sensing can achieve high-precision airborne sound source localization with a small computational effort, but underwater target localization and ranging have not been fully achieved. This study proposes a metamaterial-based compressive sensing imaging method for underwater sound source localization and target imaging. To overcome the poor wave manipulation performance caused by the impedance difference between water and the structure, a strong coupling interaction between the flexible structure and the medium is introduc

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13

Cui, Xiaoyan, Xiaolin Wang, Wanyu Yang, Zeqiang Zhang, Ming Wu, and Jun Yang. "A robust design strategy for active control of scattered sound based on virtual sensing." Journal of the Acoustical Society of America 154, no. 4 (2023): 2539–52. http://dx.doi.org/10.1121/10.0021885.

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Combining virtual sensing (VS) with scattered sound control enables active acoustic cloaking when there are limitations in sensor configurations. The remote microphone method and additional filter method (AFM) are two common VS methods, and both can be divided into the training and control stages; the consistency of the environments in these two stages is essential for the control system. This paper investigates the effects of uncertainties in the incidence angle of the detection wave on these two VS-based scattered sound control methods. Following the analysis, we propose a robust design stra

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14

Liu, Nan. "Photoelectric Detection Technology Utilizing Communication Remote Sensing Image Data." Journal of Nanoelectronics and Optoelectronics 19, no. 2 (2024): 136–43. http://dx.doi.org/10.1166/jno.2024.3563.

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The photoelectric detection system stands as a crucial instrument for target identification and task execution within diverse environments. The system is frequently confronted with rapid task alterations in the context of communication remote sensing observations. Conventional detection systems encounter challenges in swiftly adapting, underscoring the pressing necessity for an intelligent photoelectric detection system capable of multifaceted tasks and rapid alignment with communication remote sensing settings. This study undertakes a technical exploration of the intelligent photoelectric det

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15

Maksymov, Ivan S., and Andrew D. Greentree. "Coupling light and sound: giant nonlinearities from oscillating bubbles and droplets." Nanophotonics 8, no. 3 (2019): 367–90. http://dx.doi.org/10.1515/nanoph-2018-0195.

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AbstractNonlinear optical processes are vital for fields including telecommunications, signal processing, data storage, spectroscopy, sensing and imaging. As an independent research area, nonlinear optics began with the invention of the laser, because practical sources of intense light needed to generate optical nonlinearities were not previously available. However, the high power requirements of many nonlinear optical systems limit their use, especially in portable or medical applications, and so there is a push to develop new materials and resonant structures capable of producing nonlinear o

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16

Cherniak, Iurii, David Altadill, Irina Zakharenkova, et al. "Combination of High-Rate Ionosonde Measurements with COSMIC-2 Radio Occultation Observations for Reference Ionosphere Applications." Atmosphere 16, no. 7 (2025): 804. https://doi.org/10.3390/atmos16070804.

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Knowledge of ionospheric plasma altitudinal distribution is crucial for the effective operation of radio wave propagation, communication, and navigation systems. High-frequency sounding radars—ionosondes—provide unbiased benchmark measurements of ionospheric plasma density due to a direct relationship between the frequency of sound waves and ionospheric electron density. But ground-based ionosonde observations are limited by the F2 layer peak height and cannot probe the topside ionosphere. GNSS Radio Occultation (RO) onboard Low-Earth-Orbiting satellites can provide measurements of plasma dist

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17

Holzwarth, Stefanie, Frank Thonfeld, Sahra Abdullahi, et al. "Earth Observation Based Monitoring of Forests in Germany: A Review." Remote Sensing 12, no. 21 (2020): 3570. http://dx.doi.org/10.3390/rs12213570.

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Forests in Germany cover around 11.4 million hectares and, thus, a share of 32% of Germany’s surface area. Therefore, forests shape the character of the country’s cultural landscape. Germany’s forests fulfil a variety of functions for nature and society, and also play an important role in the context of climate levelling. Climate change, manifested via rising temperatures and current weather extremes, has a negative impact on the health and development of forests. Within the last five years, severe storms, extreme drought, and heat waves, and the subsequent mass reproduction of bark beetles ha

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18

Chen, Chun-Wei, Linh V. Nguyen, Kabish Wisal, et al. "Mitigating stimulated Brillouin scattering in multimode fibers with focused output via wavefront shaping." Nature Communications 14, no. 1 (2023). http://dx.doi.org/10.1038/s41467-023-42806-1.

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AbstractThe key challenge for high-power delivery through optical fibers is overcoming nonlinear optical effects. To keep a smooth output beam, most techniques for mitigating optical nonlinearities are restricted to single-mode fibers. Moving out of the single-mode paradigm, we show experimentally that wavefront-shaping of coherent input light to a highly multimode fiber can increase the power threshold for stimulated Brillouin scattering (SBS) by an order of magnitude, whilst simultaneously controlling the output beam profile. The SBS suppression results from an effective broadening of the Br

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19

Runowski, Marcin, Jan Moszczyński, Przemysław Woźny, et al. "Sound, Force and Light Induced Emissions from Er³⁺‐Mn²⁺ Doped ZnS/CaZnOS Heterostructure for Remote Temperature Monitoring via Photo‐ and Mechanoluminescence." Advanced Materials, July 23, 2025. https://doi.org/10.1002/adma.202510117.

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AbstractMechanoluminescence (ML) is a powerful phenomenon that enables light generation induced with mechanical or acoustic waves, and remote temperature sensing via luminescence thermometry techniques. In this work, the multi‐functional, ML‐active materials based on Er3+ and Mn2+ co‐doped ZnS/CaZnOS heterostructure are developed for remote temperature monitoring and visual sensing of force and sound. The material exhibits characteristic photoluminescence (PL) under UV and NIR (up‐conversion) excitation, with energy transfer from Er3+ to Mn2+ influencing the emission color. The effects of forc

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20

Nishikawa, Yasuhiro, Masa-Yuki Yamamoto, Akihiro Yokota, Yuta Hasumi, and Gaku Hamajima. "Specification of INF01LE, INF03, and INF04LE infrasound sensors for the observation and detection of destructive geophysical events." Discover Geoscience 2, no. 1 (2024). http://dx.doi.org/10.1007/s44288-024-00083-5.

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Abstract When an object moves through the atmosphere, it induces pressure fluctuations. If the scale of the object’s movement spans several hundred meters to several kilometers, the period of the pressure fluctuation will range from several seconds to several tens of seconds, determined by the ratio of the scale to the speed of sound. These pressure fluctuations manifest within the frequency range between audible sound (> 20 Hz) and infrasound (< 20 Hz and > 3 mHz). The infrasonic waves, characterized by their low-frequency nature, present a promising avenue for long-distance remote s

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21

Gerhard, David. "Three Degrees of “G”s: How an Airbag Deployment Sensor Transformed Video Games, Exercise, and Dance." M/C Journal 16, no. 6 (2013). http://dx.doi.org/10.5204/mcj.742.

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Introduction The accelerometer seems, at first, both advanced and dated, both too complex and not complex enough. It sits in our video game controllers and our smartphones allowing us to move beyond mere button presses into immersive experiences where the motion of the hand is directly translated into the motion on the screen, where our flesh is transformed into the flesh of a superhero. Or at least that was the promise in 2005. Since then, motion control has moved from a promised revitalization of the video game industry to a not-quite-good-enough gimmick that all games use but none use well.

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