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distance-time graph

Overview page. Subjects: Mathematics.

A graph that shows displacement plotted against time for a particle moving in a straight line. Let x(t) be the displacement of the particle at time t. The distance-time graph is the graph y=null...

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distance-time graph

Overview page. Subjects: Mathematics.

A graph that shows displacement plotted against time for a particle moving in a straight line. Let x(t) be the displacement of the particle at time t. The distance-time graph is the graph y=null...

See overview in Oxford Index

distance-time graph

Christopher Clapham and James Nicholson.

in The Concise Oxford Dictionary of Mathematics

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Pure Mathematics. 117 words.

A graph that shows *displacement plotted against time for a particle moving in a straight line. Let x(

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distance‐time graph

Christopher Clapham and James Nicholson.

in The Concise Oxford Dictionary of Mathematics

January 2014; p ublished online September 2014 .

Reference Entry. Subjects: Pure Mathematics. 137 words.

A graph that shows *displacement plotted against time for a particle moving in a straight line. Let x(...

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<i>t<sup>2</sup>–x<sup>2</sup> </i> graph

Edited by MICHAEL ALLABY.

in A Dictionary of Earth Sciences

January 2008; p ublished online January 2008 .

Reference Entry. Subjects: Earth Sciences and Geography. 68 words.

A time–distance graph, used in reflection seismology, in which travel times squared (t 2) are plotted as

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normal travel time

Edited by MICHAEL ALLABY.

in A Dictionary of Earth Sciences

January 2008; p ublished online January 2008 .

Reference Entry. Subjects: Earth Sciences and Geography. 36 words.

The time–distance graph compiled from first arrivals, but only where there is no anomalous geologic structure. It is used

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normal travel time

Michael Allaby.

in A Dictionary of Geology and Earth Sciences

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Earth Sciences and Geography. 39 words.

The *time–distance graph compiled from *first arrivals, but only where there is no anomalous geologic structure. It is used to calibrate travel times for a given ...

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<i>t2–x2</i> graph

Michael Allaby.

in A Dictionary of Geology and Earth Sciences

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Earth Sciences and Geography. 90 words.

A time–distance graph, used in *reflection seismology, in which travel times squared (t 2) are plotted as a function of the ...

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intercept time

Overview page. Subjects: Earth Sciences and Geography.

The arrival time of a seismic wave, determined from the intercept of the extrapolation of the refracted straight-line segment of a time–distance graph at zero offset.

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normal travel time

Overview page. Subjects: Earth Sciences and Geography.

The time–distance graph compiled from first arrivals, but only where there is no anomalous geologic structure. It is used to calibrate travel times for a given offset range in fan-shooting...

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generalized reciprocal method

Overview page. Subjects: Earth Sciences and Geography.

(GRM,

A method of interpreting seismic refraction profiles over irregular layers, using forward and reverse shooting to obtain matched time–distance graphs. It is comparable to the...

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velocity–time graph

Michael Kent.

in The Oxford Dictionary of Sports Science & Medicine

January 2006; p ublished online January 2007 .

Reference Entry. Subjects: Sports and Exercise Medicine. 48 words.

Graphical representation of the motion of a body plotted on the x-axis and velocity on the y-axis. In the velocity–time graph, acceleration of the body is obtained from the gradient of the...

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distance-time curve

Overview page. Subjects: Sports and Exercise Medicine.

A smooth line or curve which best fits the points on a graph in which distance is plotted on the y-axis and time on the x-axis. The distance-time curve enables changes in speed (e.g. during...

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t2–x2 graph

Overview page. Subjects: Earth Sciences and Geography.

A time–distance graph, used in reflection seismology, in which travel times squared (t 2) are plotted as a function of the offset squared (x 2) to produce...

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Continuous average Straightness in spatial graphs

Vincent Labatut.

in Journal of Complex Networks

P ublished online August 2017 .

Journal Article. Subjects: Mathematics; Computer Science. 12251 words.

Abstract

The Straightness is a measure designed to characterize a pair of vertices in a spatial graph. It is defined as the ratio of the Euclidean distance to...

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apparent velocity

Overview page. Subjects: Earth Sciences and Geography.

The velocity which a wave-front exhibits along a line of geophones. If the wavefront approaches the geophone array at an angle θ, then the true velocity of the wavefront, v, is given by v = null...

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plus–minus method

Overview page. Subjects: Earth Sciences and Geography.

A method of interpreting seismic refraction profiles over irregular layers whose slope angles do not exceed 10°. It uses both forward and reverse shooting to obtain matched time-distance...

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velocity–time graph

Overview page. Subjects: Mathematics.

A graph that shows velocity plotted against time for a particle moving in a straight line. Let x(t) and v(t) be the displacement and velocity, respectively, of the particle at time t. The...

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Transmission in Butterfly Networks

Indra Rajasingh, Paul Manuel, N. Parthiban, D. Azubha Jemilet and R. Sundara Rajan.

in The Computer Journal

August 2016; p ublished online August 2016 .

Journal Article. Subjects: Computer Science. 3140 words.

Wiener index of a graph [math] is defined as [math] . The Transmission index [math] of a vertex [math] in a graph [math] is defined as [math] . The original technique for the...

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Partition-distance via the assignment problem

Dmitry A. Konovalov, Bruce Litow and Nigel Bajema.

in Bioinformatics

May 2005; p ublished online March 2005 .

Journal Article. Subjects: Bioinformatics and Computational Biology. 3443 words.

Motivation: Accuracy testing of various pedigree reconstruction methods requires an efficient algorithm for the calculation of distance between a known partition and its...

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refraction survey

Overview page. Subjects: Earth Sciences and Geography.

A field investigation in which seismic head waves are used to study subsurface geologic structures. Seismic waves travel down from a source to an interface, where they are critically...

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