Gw-instek APS-1102 Control Software User Manual Instrukcja Użytkownika Pobierz pdf (Strona 48)

APS-1102 Control Software User Manual

6-6

6.6 Waveform Generation Through Interpolation

This section explains how to create a smooth pulse waveform, as a sample of generating a waveform

through interpolation.

Step 1: Select [Setup] - [Setup] to display the dialog box titled [ARB - System Setup].

Next, click the [Unit Setup] page tab.

Step 2: Click the

button to the right of [X-Axis Unit] and click [User Unit] from the

displayed list. Leave the minimum value to the maximum value two lines below as

their initial values, [0.000000 - 1.000000]. Click the

button to the right of

[Y-Axis Unit] and click [User Unit] from the displayed list. Leave the minimum

value to the maximum value two lines below as their initial values, [-1.000000 -

1.000000].

Click the

OK button to return to the waveform display screen.

Step 3: Set [0.2] in the number area to the right of [MrkA(X)] and press the Enter key.

Set [0.8] in the number area to the right of [MrkB(X)] and press the Enter key.

Step 4: Click the button at the top left of the screen. The same result can be obtained when

[Tool(T

)] - [Interpolate] is selected.

The screen titled [ARB - Interpolate] appears.

Step 5: Set [0.5] in the number area to the right of [X

=] and input [1] in the number area to

the right of [Y

=], and then click the Add button.

Step 6: Click the Cont Spline button.

The interpolated waveform is displayed on the waveform display screen.

If the waveform is hidden behind the interpolation editing screen and difficult to see,

move the screen.

Step 7: Click the

Edit button to return to the waveform display screen.

Explanation 1: The point set at step 3 is called “

control point” in interpolation editing.

Explanation 2: In the case of linear interpolation, the waveform is created by interpolating spaces

between control points with straight line.

In the case of a spline, spaces between control points are smoothly interpolated with

spline curve.

Explanation 3: In the case of a continuous spline, the selected range is interpolated so that it is

smoothly connected to the previous and subsequent ranges as well.

When all ranges are selected, the waveform is interpolated so that the head and tail

of the waveform can be smoothly connected if the waveform is repeated.

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