Full waveform
Influential Factors Analysis of Full Waveform Inversion In Time Domain For Near-Surface Velocity Modeling
... the full waveform inversion of the acoustic wave equation in time domain, analyze the influential factors for velocity inversion on forward modeling, folds, dominant frequency of wavelet, array length and ...
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Deep learning for fusion of APEX hyperspectral and full-waveform LiDAR remote sensing data for tree species mapping
... B. FUSION OF MULTI-SENSOR DATA FOR CLASSIFICATION It can be found that single HS or LiDAR data is not sufficient for a reliable tree species mapping (especially for class 6), the complementary information for some ...
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Investigating the use of 3-D full-waveform inversion to characterize the host rock at a geological disposal site
... 3-D full-waveform inversion (FWI) of seismic data can be used to map changes in physical properties caused by the construction of the site, specifically tunnel-induced ...
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Full-Waveform Inversion with Scaled-Sobolev Preconditioning Applied to Vibroseis Field Data
... It is right that we should be thankful, for we have been given much. At the outset, I must admit that it is nearly impossible for me to properly acknowledge the many people who helped me during my degree. But here is my ...
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Mitigating non-linearity in full waveform inversion using scaled-Sobolev norms
... is full waveform inversion. In a sense, we have come a full circle from Ludger Mintrop’s refraction profiling method, in that the refracted arrivals and far o ↵ sets have again taken the centre stage ...
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Realistic FDTD GPR antenna models optimized using a novel linear/non-linear full waveform inversion
... like full waveform inversion (FWI), and machine learning schemes using synthetic training ...excitation waveform, so the model must contain a complete description of the antenna including the ...
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A Signal processing approach for preprocessing and 3d analysis of airborne small-footprint full waveform lidar data
... Waveform decomposition is also of great research interest in the waveform LiDAR signal processing ...the waveform as a combination of a series of components, ...a waveform and also ...
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Development of a full-waveform voltage and current recording device for multichannel transient electromagnetic transmitters
... The acquisition circuit of the full-waveform recording de- vice can be divided into low speed and high speed. The low- speed acquisition circuit uses the ADC ADS1271 to achieve a sampling rate of 32 kSPS. A ...
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A full waveform current recorder for electrical prospecting
... PRS waveform and broad bandwidth CSEM, cer- tain deficiencies in the input range, precision, bandwidth, and continuous recording should be ...a full waveform voltage and current recording de- vice ...
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Developing a dual wavelength full waveform terrestrial laser scanner to characterise forest canopy structure
... multispectral full-waveform LiDAR instrument has also been successfully developed and tested for vegetation measurements in a laboratory setting as described by Hakala et ...
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Full Waveform Analysis for Long-Range 3D Imaging Laser Radar
... The new generation of 3D imaging systems based on laser radar (ladar) offers significant advantages in defense and security applications. In particular, it is possible to retrieve 3D shape information directly from the ...
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Potential of the Incidence Angle Effect on the Radiometric Calibration of Full-Waveform Airborne Laser Scanning in Urban Areas
... Airborne Laser Scanning (ALS) is a laser scanning system mounted on airborne platform and providing range measurements to the topographic Earth’s surface. It delivers vertical accuracy of 5-10 cm and decimeter-level ...
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A machine learning based fast forward solver for ground penetrating radar with application to full waveform inversion
... of full-waveform inversion (FWI). However, general full-wave 3D electromagnetic (EM) solvers, such as ones based on the Finite-Difference Time-Domain (FDTD) method, are still computationally ...
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The one-way wave equation: a full-waveform tool for modeling seismic body wave phenomena
... with waveform inversion is the strong non–linearity of the inverse ...frequency–domain waveform inversion algorithms has indicated that large off- set transmitted or refracted data are commonly applied in ...
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Full-waveform inversion of short-offset, band-limited seismic data in the Alboran Basin (SE Iberia)
... apply full- waveform inversion to relatively short offset streamer data in deep-water settings starting at a field-data standard low- frequency content of 6 ...
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Acoustic Based Crosshole Full Waveform Slowness Inversion in the Time Domain
... The full waveform inversion (FWI) is a high resolution method to inverse the media parameter by using the whole wavefield information such as amplitude, phase and arrival ...for full nonlinear ...
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Quantifying structural change in UK woodland canopies with a dual wavelength full waveform terrestrial laser scanner
... height, and lengths of stems and branches were taken using a tape measure and callipers. Each tree was divided into height levels referred to as strata. The large oak had four height strata, and the small and medium oak ...
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Full waveform moment tensor inversion by reciprocal finite difference Green’s function
... and Ludwig, 1980; Suyehiro et al., 1986: see Fig. 2 and Table 1). In order to reduce the required computational resources, we use a “2.5D” finite difference method (the structure is 2D but the wavefield is full-3D ...
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Extraction of Vegetation Biophysical Structure from Small-Footprint Full-Waveform Lidar Signals
... The OnyxTREE (Bosanac and Zanchi, 2011) virtual tree generating toolbox is capable of gen- erating a number of geometries that make up a tree (e.g., trunks (t), boughs (b), and leaves (l)). Having knowledge of which of ...
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Seismic waveforms and velocity model heterogeneity: towards full-waveform microseismic location algorithm
... Figure 6: Comparison of top amplitude error in terms of % difference and bottom traveltime error ms between the model interpolant N solution and the exact wide-angle solution for seismic[r] ...
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