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Joint Inversion of AE/MS Sources and Velocity with Full Measurements and Residual Estimation
Due to the influence of the errors of time difference of arrivals (TDOA) and the premeasured velocity in the propagation medium, the existing methods...
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Coal mine microseismic identification and first-arrival picking based on Conv-LSTM-Unet
Microseismic identification and first-arrival picking are the fundamental parts of microseismic monitoring. A deep learning model of convolution long...
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Research on pipeline leakage localization method based on CZIM algorithm
The time difference of arrival is a common method to find the leakage point of water pipeline. The leakage point localization is achieved by...
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Dynamic Location Method for Shallow Ocean Bottom Nodes Using the Levenberg-Marquart Algorithm
Ocean bottom node (OBN) data acquisition is the main development direction of marine seismic exploration; it is widely promoted, especially in...
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Application of Animal Movement Models to Acoustic Telemetry Positioning
Over the past decade, acoustic telemetry has become commonplace in studies on fish movement and behaviour. Over small spatial scales, arrays of...
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Improved Method for Acoustic Emission Source Location in Rocks Without Prior Information
Source location is a fundamental problem in acoustic emission (AE) monitoring. It usually requires configuring two pieces of prior information: wave...
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Three-dimensional acoustic emission source localization method for layered rock considering anisotropic P-wave velocity
Using acoustic emission (AE) technique to locate the microcracking of rock samples in the process of rock mechanics test is one of the most effective...
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Safety management of environmental construction projects based on BIM and RFID technology
With the continuous development of China's economy, the pace of urbanization is accelerating, and the upstream and downstream industrial correlation...
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A Review of Atmospheric Electricity Research in China from 2019 to 2022
Atmospheric electricity is composed of a series of electric phenomena in the atmosphere. Significant advances in atmospheric electricity research...
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Novel Leakage Detection and Localization Method Based on Line Spectrum Pair and Cubic Interpolation Search
Leakage detection in water distribution systems (WDS) is critical to ensuring the security of urban water supplies. Acoustic detection methods have...
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Towards the internet of underwater things: a comprehensive survey
The innovative concept of Internet of Underwater Things (IoUT) has a huge impact in different sectors including a small scientific laboratory, to a...
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Almost unbiased weighted least squares location estimation
Location service demands precise positioning, which can be obtained by applying maximum likelihood or least squares (LS) directly to measurements...
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Recent observations and research progresses of terrestrial gamma-ray flashes during thunderstorms
Terrestrial gamma-ray flashes (TGFs) are high-energy emissions in thunderstorms that were discovered first by satellite-based and then by...
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Infrasound Signal Detection: Re-examining the Component Parts that Makeup Detection Algorithms
Detecting a Signal Of Interest (SOI) is the first step in many applications of infrasound monitoring. This intuitively simple task is defined as...
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Single-differenced models for GNSS-acoustic seafloor point positioning
Seafloor transponder coordinates are determined by measurements between a ship-borne GNSS-acoustic transducer and the transponder. Differencing...
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Application and Development Trend of Radar Detection Technology in Mine Rescue
Compared with optical life detection, audio detection and infrared detection, radar detection can penetrate obstacles without any influence from...
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Low-frequency E-field Detection Array (LFEDA)—Construction and preliminary results
In recent years, locating total lightning at the VLF/LF band has become one of the most important directions in lightning detection. The...
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A Review of Atmospheric Electricity Research in China from 2011 to 2018
Atmospheric electricity research has been conducted actively in China, having profited from the development and application of high temporal and...
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Debris flows monitoring and localization using infrasonic signals
Infrasonic waves (frequency ≤ 20 Hz) are generated during the formation and movement of debris flows, traveling in air with a speed far higher than...
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Indoor-Positionierung
Die automatische Positionsbestimmung innerhalb von Bauwerken (Indoor-Positionierung) hat sich innerhalb der letzten Dekade zu einem eigenständigen...