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Time frequency domain combined deconvolution method
In the process of seismic wave propagation, high-frequency energy is absorbed and attenuated by the stratum, and the dominant frequency and...
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A unified model of multi-GNSS and multi‑frequency precise point positioning for the joint estimation of ionospheric TEC and time-varying receiver code bias
The short-term variability in receiver code biases (RCBs) has been identified as a prominent source of error leading to the degradation of precise...
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Simultaneous estimation of inter-frequency clock biases and clock offsets with triple-frequency GPS data: undifferenced and uncombined methodology and impact analysis
Nowadays, multi-frequency signals have been putting forward good prospects for improving the application performances of the rapid-develo** Global...
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Studying Characteristics of the Cloudy Atmosphere Based on Measuring Its Downwelling Microwave Radiation Spectra in the 18.0–27.2 GHz Water Vapor Resonant Absorption Band
AbstractThe paper deals with studying the atmospheric characteristics based on spectral microwave radiometric measurements in the 18.0–27.2 GHz band...
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Theoretical Simulation and Application of High Frequency Electromagnetic Wave Propagation Logging
High frequency electromagnetic wave propagation logging technology is an important method in geophysical exploration. Since the dielectric constant...
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Smartphone RTK positioning with multi-frequency and multi-constellation raw observations: GPS L1/L5, Galileo E1/E5a, BDS B1I/B1C/B2a
In the field of mass-market location-based services, smartphones have become the mainstream terminals by their ubiquity, portability, and low cost....
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5G Impacts analysis on the Beidou RDSS system in 2.5 GHz band
Beidou and 5G systems are important national-level basic projects. Beidou’s Radio Determination Satellite Service (RDSS) provides a unique service...
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The Middle Miocene lobe-shaped and band-shaped submarine fans in the Lingshui Sag, Qiongdongnan Basin: source-to-sink system, genesis and implication
Deepwater oil and gas exploration is the key to sustainable breakthroughs in petroleum exploration worldwide. The Central Canyon gas field has...
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Locating the Source Regions of the Single and Double-Frequency Microseisms to Investigate the Source Effects on HVSR in Site Effect Analysis
Evaluating the seismic site effect by the ambient noise based horizontal-to-vertical spectral ratio (HVSR) method is strongly affected by the spatial...
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Estimating frequency-dependent shear wave velocity in near-surface sediment based on seismic interferometry
Near-surface seismic shear wave is a basic tool for seismic investigations. However, its frequency-dependent property is not fully investigated,...
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Optical flow-based method to estimate internal wave parameters from X-band marine radar images
The velocity and direction of internal waves (IWs) are important parameters of the ocean, however, traditional observation methods can only obtain...
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Application of Deep Learning for Low-Frequency Extrapolation to Marine Seismic Data in the Sadewa Field, Kutei Basin, Indonesia
The success of full-waveform inversion (FWI) modeling depends on many factors, i.e., initial model, source wavelet, and low-content. Low-frequency...
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Low-Frequency Noise Pollution in the Northeastern Part of Mosrentgen (Moscow)
AbstractThe rapid development of industrial activity leads steadily to an increase in the influence of various factors that have a negative impact on...
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Performance of Galileo satellite products determined from multi-frequency measurements
Each Galileo satellite provides coherent navigation signals in four distinct frequency bands. International GNSS Service (IGS) analysis centers (ACs)...
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Anthropogenic forcing changes coastal tropical cyclone frequency
It remains a mystery if and how anthropogenic climate change has altered the global tropical cyclone (TC) activities, mainly due to short reliable TC...
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High-resolution sub-canopy topography map** via TanDEM-X DEM combined with future P-band BIOMASS PolInSAR data
Precise DEMs at high spatial resolution are indispensable for a variety of scientific studies and applications. Presently, the TanDEM-X mission...
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Magnetotelluric Power Line Noise Removal Using Temporally Varying Sinusoidal Subtraction of the Grid Utility Frequency
The magnetotelluric method relies on variations of natural electromagnetic fields, which in the vicinity of human settlements are persistently...
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Evolution of narrow-band spectrum of two random Stokes wavetrains in deep water
Fourth-order nonlinear evolution equation (NLEE), which is an excellent starting point for the analysis of nonlinear deep water surface waves, are...
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Study of the characteristic response of shear waves in igneous reservoirs based on time–frequency coupled analysis method
Time–frequency analysis methods represent an efficacious approach to process data derived from full-waveform acoustic logging. This research proposes...
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An improved algorithm for retrieving thin sea ice thickness in the Arctic Ocean from SMOS and SMAP L-band radiometer data
The aim of this study was to develop an improved thin sea ice thickness (SIT) retrieval algorithm in the Arctic Ocean from the Soil Moisture Ocean...