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Contrasting features of monsoon convection over land and sea in the west coast of peninsular India as revealed by S-band radar
Monsoon convection characteristics over land and sea within 150 km of the west coast of India are studied using coastal Mumbai S-band radar. The...
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Estimation of GLONASS inter-frequency clock bias considering the phase center offset differences on the L3 signal
GLONASS has been transmitting the code division multiple access navigation signals on the third band L3 for six GLONASS-M + and three GLONASS-K...
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Attenuation of High-Frequency Seismic Waves in NW Iran
We analyzed 872 local earthquakes recorded by 18 seismic stations to estimate P-, S-, and coda-wave quality factors for NW Iran, an active seismic...
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Frequency domain analysis of AE waveforms in rockburst specimens under different stress gradients
To investigate the influence of stress gradients in the surrounding rock of tunnels on the frequency features of acoustic emission (AE) waveforms, a...
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Impacts of low-frequency climate variability on tropical cyclone activity in the North Indian Ocean basin
The impact of the Indian Ocean Dipole (IOD) and El Niño Southern Oscillation (ENSO) on tropical cyclone activities in the North Indian Ocean (NIO)...
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Long-Period Changes in the Frequency of Cyclones in the Northern Hemisphere Temperate Latitudes
AbstractFluctuations in the frequency of cyclones in various regions of the Northern Hemisphere (NH) temperate latitudes on time scales of the order...
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Combined algorithms of high-frequency topographical effects for the boundary-value problems based on Helmert's second condensation method
The Helmert’s second condensation method is usually used to condense the topographical masses outside the boundary surface in the determination of...
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Microseismic signal denoising using simple bandpass filtering based on normal time–frequency transform
In active underground mining environments, monitoring mine vibrations has important implications for both safety and productivity. Microseismic data...
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Enhancing low- and high-frequency components of the seismic data to emphasise BSRs and bright spots and implications for seismic attribute analysis
AbstractThe bandwidth of recorded seismic signals is typically limited and influenced by various factors, including seismic source characteristics,...
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Model test study on natural frequency evolution and early warning of reservoir landslides under water level fluctuations
Reservoir water fluctuation is the key factor affecting the stability of reservoir landslides. Existing research on the evolution of landslides under...
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Automatic Removal of Low Frequency Noise from Seismograms Using the Fingerprinting Method: Algorithms, Properties, Limitations
AbstractThis paper describes a new method for automatic preparation of a noisy seismic record for further analysis using expert information systems....
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Ocean surface current retrieval and imaging with a new shore-based X-band radar based on time-shifted up-and-down linear frequency modulated signal
This paper proposes a multifunction radar that can not only measure sea currents but also perform sea-surface imaging. The fundamental aspect of the...
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A Model of Frequency Modulation of the 11-Year Cycle of Solar Activity
AbstractUsing wavelet analysis, a study was made of variations in the length of the solar cycle and their characteristic features in 1700–2020. In...
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The influence of earthquake source complexity on frequency-dependent radiation patterns by modifying distance-dependent properties
The double-couple model of the earthquake source has been proven remarkably successful in explaining the radiation pattern in the low-frequency...
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Smartphone-based bridge frequency identification using vehicle contact-point response
Bridge frequency (BF) identification using the vehicle scanning method has attracted considerable attention during the last two decades. However,...
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L-Band Analysis of the Effects of Oil Slicks on Sea Wave Characteristics
The purpose of this study was to investigate the characteristics of sea surface waves as they pass through oil slicks. The parameterized first-guess...
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Comparison of statistical low-frequency earthquake activity models
Slow earthquakes are slow fault slip events. Quantifying and monitoring slow earthquake activity characteristics are important, because they may...
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Deformation and hysteresis behaviors of sandstone exposed to distinct sequences of variable-frequency compressive cyclic stresses
The response of rock to dynamic loading is critical to the stability of underground engineering. This study experimentally investigated the...
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Dielectric Model of the Upper Organic Layer of Forest Soils for a Frequency of 435 MHz
AbstractA dielectric model based on the refractive dielectric model of the mixture of thawed and frozen forest organic soils in the root zone for a...
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Frequency Division Regularization Inversion of the Receiver Function
The receiver function technique was developed in the 1970s and has since become an effective method for exploring the Earth’s crust and upper mantle...
