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Time series
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ID:(1922, 0)


Time series
Description

Variables
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Text
Variable
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Calculations

First, select the equation:   to ,  then, select the variable:   to 
Symbol
Equation
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Calculations

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Equation
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Equations

Examples

To study a signal, it is necessary to discretize the time, that is, to define times in which the signal measurement is carried out. Assuming that it is measured in equal time intervals, the time can be defined:

$ t_n = n \Delta t $

(ID 14344)

The time interval is calculated from the total time T of the signal and the number of points N that are measured:

$ \Delta t = \displaystyle\frac{ T }{ N }$

(ID 14345)

A function x(t) can be measured in the times defined by

$ t_n = n \Delta t $



which gives a series of values:

$ x_n = x( t_n )$

(ID 14346)

ID:(1922, 0)