Measurement-computing DASYLab User Manual Manuel d'utilisateur télécharger pdf (Page 36)

DASYLab

X/Y Chart

Use the x/y chart to display several data channel pairs as xy-curves or as

vectors in 2D axis systems. To display an oscilloscope with the x/y chart,

enable the setting Circular grid. Select a high number of data blocks after

which DASYLab refreshes the display, so that DASYLab plots a curve and

not the last data pair as a point.

Every data channel of a channel pair and also the data channel pairs of a

module must always contain the same type of data. You can display several

data channel pairs in one axis system or in separate axis systems.

Polar Plot

Use the polar plot to display a data channel pair in one polar axis system. If

you select the X/Y coordinates display, DASYLab plots an xy-curve, if you

select Draw source vector, DASYLab plots the vector of the last data pair.

The two data channels must always contain the same type of data. Label the

curve or the top of the vector in regular intervals with the values of the third

data channel to be connected. Figure 3-4 displays the sampled surface of a

shaft as an xy-coordinate.

Figure 3-4. Display of the Surface of a Shaft in the Polar Plot

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Measurement-computing DASYLab User Manual Manuel d'utilisateur Page 36