Class Room Exercise 1 - Open and Run a Virtual
Instrument
Examine the Signal Generation and Processing VI and run it. Change the frequencies
and types of the input signals and notice how the display on the graph changes. Change
the Signal Processing Window and Filter options. After you have examined the VI and
the different options you can change, stop the VI by pressing the Stop button.
1. Select Start»Programs»National Instruments»LabVIEW 8.2.1 to launch
LabVIEW. The LabVIEW dialog box appears.
2. Select»Find Examples. The dialog box that appears lists and links to all
available LabVIEW example VIs.
3. On the Browse Tab, select browse according to task. Choose Analyzing and
Processing Signals, then Signal Processing, then Signal Generation and
Processing.vi.
This will open the Signal Generation and Processing VI Front Panel.
Note You also can open the VI by clicking the Open VI button and navigating to
labview\examples\apps\demos.llb\Signal Generation and Processing.vi.
Front Panel
4. Click the Run button on the toolbar, shown at left, to run this
VI.
This VI determines the result of filtering and windowing a
generated signal. This example also displays the power spectrum
for the generated signal. The resulting
signals are displayed in the graphs on the front panel, as shown
in the
following figure.
