Results 21 to 30 of about 1,022 (162)

Detection, Analysis, and Removal of Glitches From InSight's Seismic Data From Mars

open access: yesEarth and Space Science, 2020
The instrument package SEIS (Seismic Experiment for Internal Structure) with the three very broadband and three short‐period seismic sensors is installed on the surface on Mars as part of NASA's InSight Discovery mission.
John‐Robert Scholz   +35 more
doaj   +1 more source

A Linear Inversion Approach to Measuring the Composition and Directionality of the Seismic Noise Field

open access: yesRemote Sensing, 2021
We develop a linear inversion technique for measuring the modal composition and directionality of ambient seismic noise. The technique draws from similar techniques used in astrophysics and gravitational-wave physics, and relies on measuring cross ...
Patrick M. Meyers   +7 more
doaj   +1 more source

Micromachined Accelerometers with Sub-µg/√Hz Noise Floor: A Review

open access: yesSensors, 2020
This paper reviews the research and development of micromachined accelerometers with a noise floor lower than 1 µg/√Hz. Firstly, the basic working principle of micromachined accelerometers is introduced.
Chen Wang   +10 more
doaj   +1 more source

PERFORMANCE OF RESONANT SEISMOMETERS [PDF]

open access: yesGEOPHYSICS, 1954
A group of resonant vertical seismometers, each tuned to cover a part of the spectrum of microseism frequencies, has been operated for about one year. These instruments (a) clearly distinguish between simultaneous microseisms from two separate sources; (b) show an improved signal‐to‐noise ratio for microseisms from a single storm, permitting earlier ...
Donn, William L.   +2 more
openaire   +3 more sources

Joint towed streamer and ocean-bottom-seismometer data multi-parameter full waveform inversion in acoustic-elastic coupled media

open access: yesFrontiers in Earth Science, 2023
Short-offset towed streamer data, and sparse ocean-bottom seismometer (OBS) data are not conducive to applying multi-parameter full waveform inversion (FWI) in production.
Tao Yang   +4 more
doaj   +1 more source

.Design of acquisition system of multi-channel microseismic signal

open access: yesGong-kuang zidonghua, 2018
In view of problems of high cost and low universality existed in current acquisition systems of mine microseismic signal, an acquisition system of multi-channel microseismic signal was designed.
CAI Jianxian   +4 more
doaj   +1 more source

MEMS-Based Electrochemical Seismometer Relying on a CAC Integrated Three-Electrode Structure

open access: yesSensors, 2021
This study developed a MEMS-based electrochemical seismometer relying on a cathode–anode–cathode (CAC) integrated three-electrode structure where two cathodes were positioned on two surfaces of a silicon wafer, while one anode was positioned on the ...
Xu She   +7 more
doaj   +1 more source

Displacement Based Earthquake Early Warning Systems

open access: yesDoğal Afetler ve Çevre Dergisi, 2020
Displacement based earthquake observations are becoming more common and application fields are becoming larger. The determination of the earthquake magnitude in a short time after the earthquake plays an important role both for Earthquake Early Warning ...
Murat Doruk Şentürk, Bahadır Aktuğ
doaj   +1 more source

Ultrabroadband Seismic and Tsunami Wave Observation of High‐Sampling Ocean‐Bottom Pressure Gauge Covering Periods From Seconds to Hours

open access: yesEarth and Space Science, 2020
Recent developments of ocean‐bottom pressure gauges (PG) have enabled us to observe various waves including seismic and tsunami waves covering periods of T ∼ 100–103 s.
T. Kubota   +3 more
doaj   +1 more source

Testing the Utilization of a Seismic Network Outside the Main Mining Facility Area for Expanding the Microseismic Monitoring Coverage in a Deep Block Caving

open access: yesApplied Sciences, 2022
In the case of mining in an inclined intrusion using the block caving method, the highest stress is usually concentrated in the seismogenic and abutment zones, especially in the front of the sloping area.
Wahyu Hidayat   +9 more
doaj   +1 more source

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