The attenuation mechanism and regular of the acoustic wave on propagation path in farmland soil

S Huang, C Lu, H Li, J He, Q Wang, Z Gao… - … and Electronics in …, 2022 - Elsevier
Understanding the propagation process of acoustic waves in the soil is very important for
designing high-performance acoustic wave detection devices. In this study, the discrete …

Research on acoustic wave attenuation from the perspective of soil particle movement using the discrete element method

S Huang, C Lu, H Li, J He, Q Wang, X Cao… - … and Electronics in …, 2023 - Elsevier
Acoustic attenuation is a significant index in acoustic detection, which can reflect a large
number of physical properties of the medium, so it is vital. This work aims to study the …

Transmission rules of ultrasonic at the contact interface between soil medium in farmland and ultrasonic excitation transducer

S Huang, C Lu, H Li, J He, Q Wang, P Yuan… - … and Electronics in …, 2021 - Elsevier
To analyze the phenomenon of distortion and frequency dispersion in the ultrasonic
pressure curve at the excitation transducer-soil contact interface (incident interface), a new …

[HTML][HTML] Soil temperature detection based on acoustic method and improved Wyllie model

Y Ye, Y Chen, Y Chen, Z Li, Y Chen, Y Zeng, J Li - Geoderma, 2024 - Elsevier
Soil temperature is one of the important environmental factors for the underground parts of
plants. It is important to detect soil temperature in agricultural production. Acoustic waves …

[HTML][HTML] Calibration of Acoustic-Soil Discrete Element Model and Analysis of Influencing Factors on Accuracy

S Huang, C Lu, H Li, J He, Q Wang, P Yuan, J Xu… - Remote Sensing, 2023 - mdpi.com
To obtain accurate soil parameters and improve the accuracy of the acoustic-soil discrete
element simulation model, we studied the model's parameter calibration. The simulation test …

[HTML][HTML] Distinct effects of moisture and air contents on acoustic properties of sandy soil

T Oshima, Y Hiraguri, T Okuzono - … Journal of the Acoustical Society of …, 2015 - pubs.aip.org
Knowledge of distinct effects of moisture content and air volume on acoustic properties of
soil is sought to predict the influence of human activities such as cultivation on acoustic …

Continuous wave acoustic method for determination of moisture content in agricultural soil

RK Sharma, AK Gupta - Computers and electronics in agriculture, 2010 - Elsevier
This work deals with the problem of measuring moisture content in agricultural soil by means
of an on-site, easy to use and real-time acoustic wave system. The method is based on the …

On-site measurement of soil moisture content using an acoustic system

E Meisami-asl, A Sharifi, H Mobli, A Eyvani… - Agricultural …, 2013 - cigrjournal.org
Precision agriculture is a farming management concept based on observing and responding
to intra-field variations. One of the most important soil properties in farming is soil moisture …

Effect of soil texture and excitation frequency on the propagation and attenuation of acoustic waves at saturated conditions

WC Lo, CL Yeh, CD Jan - Journal of hydrology, 2008 - Elsevier
The study of the propagation and dissipation of acoustic waves through a fluid-containing
porous medium is crucial for the successful application of seismic methods to characterize …

Measurement of attenuation and speed of sound in soils

ML Oelze, WD O'Brien… - Soil Science Society of …, 2002 - Wiley Online Library
The potential application of this work is the detection and imaging of buried objects using
acoustic methodology. To image buried artifacts, it is vital to know speed and attenuation of …