關於 traveltimes ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. Three-dimensional first arrival traveltimes and amplitudes ...

However ray tracing does not give traveltimes on a regular grid, and is not guaranteed to produce the minimum traveltime. Seismic traveltimes in three ...

#12. Traveler Information API: TravelTimes Class Reference - wsdot

+ Inheritance diagram for TravelTimes: ... Provides travel times for many popular travel routes around Washington State. ... TravelTimeRoute TravelTimes.

#13. Upwind finite‐difference calculation of traveltimes - SEG Library

Seismic traveltimes can be computed efficiently on a regular grid by an upwind finite‐difference method. The method solves a conservation law that describes ...

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#15. TravelTime (@TravelTimeAPI) / Twitter

TravelTime. @TravelTimeAPI. TravelTime is an API that can calculate travel times by any transport mode to thousands of locations within milliseconds.

#16. Traveltimes of waves in three-dimensional ... - NASA/ADS

Finite-frequency traveltimes are measured by crosscorrelation ofa large suite ... Cross-correlation traveltime shifts of finite-frequency seismic pulses are ...

#17. IRISWS: Traveltime: Docs: v. 1 - IRIS: DMC Web Services

The traveltime webservice calculates travel-times for seismic phases using a 1-D spherical earth model. Below is a full list of service parameters and their ...

#18. itravel-traveltimes-historical - 資料集

itravel-traveltimes-historical. Travel times for selected paths in Greece produced using itravel detections (Historical datasets) ...

#19. Finite-difference calculation of traveltimes based on ... - Springer

To the most of velocity fields, the traveltimes of the first break that seismic waves propagate along rays can be computed on a 2-D or 3-D numerical grid b.

#20. Interpolation of ray theory traveltimes within ray cells

3-D ray tracing followed by interpolation of the computed quantities amongst the rays is a powerful tool for the computation of ray theory traveltimes, ...

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#22. Determination of geometrical spreading from traveltimes

The method is based on a hyperbolic traveltime expansion and provides also a fast and accurate algorithm for the interpolation of traveltimes, including the ...

#23. A quick review of 2D topographic traveltimes - SciELO

In this work we review the CRS traveltime approximations that consider the smooth and rugged topography. In addition, we also review the Multifocusing ...

#24. Computation of multivalued traveltimes in three-dimensional ...

velocity analysis, Kirchhoff modelling, or traveltime tomography. The greatest number of traveltimes are needed by 3D prestack Kirchhoff depth migration ...

#25. Estimating traveltimes of boats through bald eagle habitat ...

Estimating traveltimes of boats through bald eagle habitat along the Snake River, northwestern Wyoming, using geographic information system techniques ...

#26. Wisconsin Travel Times | 511WI - 511 Wisconsin

Provides up to the minute traffic and transit information for All Regions region in Wisconsin. View real time Travel Times details on a list page.

#27. Finite-difference calculation of traveltimes in three dimensions

The traveltimes of first arriving seismic rays through most velocity structures can be computed rapidly on a three-dimensional numerical grid by finite- ...

#28. Traveltimes and amplitudes of seismic waves: a re-assessment

Reference: Nolet, G., F.A. Dahlen and R. Montelli, Traveltimes and ... picking, and enable us to measure travel times accu-.

#29. Sensitivities of seismic traveltimes and amplitudes in reflection ...

using traveltimes alone. The potential benefit of including amplitude-data constraints in seismic-reflection traveltime tomography is therefore that it may ...

#30. traveltimeR: Travel Time R SDK - GitHub

TravelTime SDK for R programming language. Contribute to traveltime-dev/traveltime-sdk-r development by creating an account on GitHub.

#31. Traveltimes and conversion-point positions for P-SV converted ...

Study results show that the traveltimes and CP positions for P-SV wave propagation on the isotropic plane of a TI medium computed using Fermat's minimum-time ...

#32. Sensitivity Kernels of PP Precursor Traveltimes and ... - sonar.ch

Sensitivity Kernels of PP Precursor Traveltimes and Their Limitations for Imaging Topography of Discontinuities · Koroni M Department of Earth Sciences ETH ...

#33. Accurate 3-D finite difference computation of traveltimes in ...

Seismic traveltimes and their spatial derivatives are the basis of many imaging methods such as pre-stack depth migration and tomography.

#34. Travel times — GPG 0.0.1 documentation - GeoSci.xyz

Travel times ¶. A seismic wave travelling through an isotropic homogeneous medium will propagate at a constant velocity. Therefore, the time t required for a ...

#35. Determining Geometrical Spreading from Traveltimes

In traveltime modeling for migration, multifold data is available. Other than the time information is not needed. As the paraxial vicinity in which the equation ...

#36. Kirchhoff depth migration using maximum amplitude ... - SBGf

Kirchhoff depth migration using maximum amplitude traveltimes computed by the ... Kirchhoff migration, using ray tracing traveltime.

#37. Dave Nichols: Maximum energy traveltimes calculated in the ...

Prestack Kirchhoff migration using first arrival traveltimes has been shown to fail in areas of complex structure. I propose a new method for calculating ...

#38. Traveltimes of waves in three-dimensional ... - NTU Scholars

Key words: body waves, inhomogeneous media, ray theory, tomography, traveltime, wave propagation. 1 INTRODUCTION. The traveltimes of P, PP, ...

#39. Sensitivity Kernels of PP Precursor ... - Universiteit Utrecht

This study presents pictorial examples of how traveltimes of seismic waves sense the depth variations inside the Earth. We focus on waves that reflect from ...

#40. View Live Louisiana Travel Times - 511LA

Travel Times. "TravelTimes". Roadway, Direction, Segment, Length, Free Flow* Time, Travel Time, Average ...

#41. TravelTime platform Plugin — QGIS Python Plugins Repository

Version Experimental Minimum QGIS version Downloads Uploaded by Date 1.7.1 no 2.99.0 4132 redl May 20, 2022, 05... 1.7.0 no 2.99.0 1015 redl Apr 25, 2022, 06:3... 1.6.0 no 2.99.0 2599 redl Jan 29, 2022, 12:3...

#42. Large‐offset approximation to seismic reflection traveltimes

Conventional approximations of reflection traveltimes assume a small offset‐to‐depth ratio, and their accuracy decreases with increasing ...

#43. Traveltimes for global earthquake location and ... - Scinapse

The new imp91 traveltime tables are derived from a radially stratified velocity model which has been constructed so that the times for the major seismic phases ...

#44. Joint inversion of seismic traveltimes and gravity data on ...

Joint inversion of seismic traveltimes and gravity data on unstructured grids with application to mineral exploration. Peter G. Lelièvre;.

#45. Finite difference traveltimes and amplitudes

This project comprises the development and the implementation of a combined first-arrival traveltime and amplitude computation procedure based on a finite ...

#46. Determining Geometrical Spreading from Traveltimes in ...

keywords: Geometrical Spreading, Anisotropy, Traveltimes, Interpolation, Migration, ... anisotropic media from coarsely-gridded traveltime tables.

#47. Finite-frequency traveltime tomography of San Francisco Bay ...

Seismic velocity structure of the San Francisco Bay region crust is derived using measurements of finite-frequency traveltimes. A total of 57 801 relative ...

#48. TravelTime Travel Insurance: Home

TravelTime specialises in offering great value Single Trip, Annual Multi Trip, Winter Sports and Backpacker travel insurance. Our policies offer cover for ...

#49. 搜索

Monitoring subsurface changes by tracking direct-wave amplitudes and traveltimes in continuous distributed acoustic sensor VSP data

#50. Traveltimes for tilted TI media - NTNU Open

The traveltime computation is an important tool in seismic data processing applied for velocity analysis, migration and rock physics analysis, ...

#51. Long-period body wave traveltimes through the crust

The traveltimes of P and SH waves through the crust depend strongly on wave period. At periods longer than 10-15 s, where traveltime measurements for ...

#52. Frechet kernels for finite-frequency traveltimes -- I. Theory (2000)

The kernel for a differential traveltime, measured by cross-correlation of two ... In the paraxial approximation, an absolute or differential traveltime ...

#53. Travel Times

gtfsrouter includes a function, gtfs_traveltimes() , to efficiently calculate travel times from a nominated station to all other stations ...

#54. Best 1 Definitions of Traveltime - YourDictionary

Traveltime definition ... (physics) The time that it takes a wave to propagate between two points. noun. 0.

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#56. Traveltimes Treks - Owner - LinkedIn Nepal

Traveltimes Treks is an owner operated travel and tour organization, based in Kathmandu, the bustling heart of Nepal. We are a group of international travel ...

#57. Traveltime Calculations for qP, qSV, and qSH Waves in Two ...

ods for calculating the traveltimes of seismic waves play an important role in many ... eikonal solvers such as the finite difference traveltime calculation ...

#58. Travel Times • gtfsrouter - ATFutures

gtfsrouter includes a function, gtfs_traveltimes() , to efficiently calculate travel times from a nominated station to all other stations ...

#59. [PDF] Traveltimes for global earthquake location and phase ...

SUMMARY New empirical traveltime curves for the major seismic phases have been derived from the catalogues of the International ...

#60. Nonlinear Refraction Traveltime Tomography - DSpace@MIT

We therefore pose a different nonlinear inverse problem that explicitly minimizes misfits of both traveltimes (integrated slownesses) and traveltime gradients ( ...

#61. Traveltimes Along Clear Creek and Selected Tributaries ...

Study Reach 4 - Berthoud Pass Determination of and Variation in Traveltime Rhodamine - WT Injection Procedures Rhodamine - WT Sampling Procedures .

#62. Multi-frequency measurement of relative traveltimes ... - J-Stage

The method includes an automated correction for the dispersion effects caused by the crustal reverberations at stations. Relative traveltime is computed by ...

#63. Transit Losses and Traveltimes for Water-supply Releases ...

Traveltimes from Marion Lake to first response at the mouth of Cottonwood River ranged from 2.8 to 3.5 days and had little or no variation between the ...

#64. pygimli.physics.traveltime

Refraction seismics or first arrival traveltime calculations. Overview¶. Functions. createCrossholeData (sensors). Create crosshole scheme assuming ...

#65. A holistic approach to computing first-arrival traveltimes using ...

Accessible arXiv · Physics > Computational Physics · Title:A holistic approach to computing first-arrival traveltimes using neural networks.

#66. Higher-order schemes for 3-D traveltimes and amplitudes

Running head: 3-D traveltimes and amplitudes. ABSTRACT. In the geometrical-optics approximation for the Helmholtz equation with a point ...

#67. Traveltime function - RDocumentation

Traveltime : Earthquake traveltimes. Description. Calculates traveltimes between focus and receiver(s). Usage. Traveltime(phase, delta, h, model, ...

#68. Relocating earthquakes with empirical traveltimes - DiVA Portal

Traveltime residuals are interpolated from those predictedusing a 1-D velocity reference, mapped on to the hypocentres of corresponding ...

#69. obspy.clients.iris.client.Client.traveltime

This method will calculates travel-times for seismic phases using a 1-D spherical earth model. Parameters. model (str, optional) –. Name of 1-D ...

#70. Transit Losses and Traveltimes for Reservoir Releases During ...

Traveltimes Traveltimes are determined based on the wave - celerity values used in the model . They are primarily affected by the antecedent - streamflow ...

#71. View Live Arizona Travel Times - AZ511.gov

Travel Times. "TravelTimes". Roadway, Direction, Segment, Length, Free Flow* Time, Travel Time, Average ...

#72. mFAST: A MATLAB toolbox for ocean bottom seismometer ...

First-arrival seismic traveltime tomography (FAST) is a well-established technique to estimate subsurface velocity structures.

#73. Traveltimes :: Alpine Lithosphere and Upper Mantle ... - TU Wien

Traveltimes relative to IASP, picked by semi-automatic corellation technique. Location of earthquakes, 050518_1137: Northern Sumatra - mag 6,2. 050614_1710:

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#75. HEAD WAVE TRAVELTIMES IN A THREE-DIMENSIONAL ...

The traveltimes of head waves propagating in layered earth models have been studied ~ytensively since the inception of applied seismology in the 1920's.

#76. Sensitivity Kernels of PP Precursor Traveltimes and ... - NCBI

The PP precursor traveltimes appear more sensitive to structural parameters, that is, compressional and shear wave speed, than to the boundaries; therefore, ...

#77. SAGA GIS TravelTime - YouTube

SAGA GIS TravelTime ... The SAGA GIS travel time tools were created to join together and automate a number of processing steps in order to ...

#78. Travel Times, T Nagar - Travel Agents in Chennai - Justdial

Travel Times in T Nagar, Chennai listed under Tour Operators offering services like Corporate Travel and much more. 162 photos. Visit Justdial for Address, ...

#79. Travel Times - Issuu

TRAVEL TIMES is a fresh, new monthly travel magazine based in Nepal that presents an assortment of travel information and feature stories on traveling in ...

#80. Timetravels: Explore the North! 5-8 days tours to Lapland ...

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#81. Travel time Definition & Meaning - Merriam-Webster

The meaning of TRAVEL TIME is a usually specified period of time spent in traveling at work or from the entrance of a business establishment to the place ...

#82. Interrail railway map

Check railway connections and travel times between popular destinations in Europe. Please note that routes may change throughout the year. This map doesn't ...

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Holiday Packages with Times Travel in the UK. Booking flights times travels have Special offer, popular Destination, Luxury Cruise Deals.

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#85. Ularail: Tourist Train

UlaRail by Indian Railways & Travel Times. Tourist train packages inclusive of Train Fare, Food, Accommodation and Sightseeing. Operated over 600+ Tourist ...

#86. Traveline Cymru - Journey Planning Wales

Traveline Cymru is the public transport information service in Wales.

#87. Travel Guide and Information | Hotels | Places to Visit

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#88. Алжир собирает под своими знамёнами палестинские ...

Алжир. Иллюстрация: traveltimes.ru. Палестинские группы проведут переговоры в Алжире во вторник, 11 октября, чтобы положить конец ...

#89. 3d ray tracing matlab - NAVISMOTOR

Several ray tracing experiments were conducted and the computed traveltimes were compared with the theoretical travel times and those from eikonal ray ...

#90. Россия может запустить авиасообщение с Северным Кипром

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#95. Transactions - 第 6-9 卷 - 第 90 頁 - Google 圖書結果

surface , since at this distance the travel - times for these two cases are nearly the same ) , if the granitic layer has a thickness of fifteen kilometers ...

#96. ​БРОНХИТ жазылатын ДЕРТ пе? - Ernur.kz

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#97. 中科院南海所地表复杂性结构对深部研究影响再获新进展

Effects of Near‐surface Complexities on Differential Traveltimes and Amplitude Ratios between PP and Its Precursors. Journal of Geophysical Research: Solid ...