Loading ...
Loading ...
Loading ...
SHS800X&SHS1000X User Manual
41
WWW.SIGLENT.COM
Interpolation Method
Under real-time sampling, the oscilloscope acquires the discrete sample values
of the waveform being displayed. In general, a waveform of dots display type is
very difficult to observe. In order to increase the visibility of the signal, the digital
oscilloscope usually uses the interpolation method to display a waveform.
The interpolation method is a processing method to “connect all the sampling
points”, and using some points to calculate the whole appearance of the
waveform. For real-time sampling interpolation method is used, even if the
oscilloscope in a single captures only a small number of sampling points. The
oscilloscope can use the interpolation method to fill out the gaps between points
and reconstruct an accurate waveform.
Press the
Acquire button on the front panel to enter the ACQUIRE Function menu;
then press the Interpolation softkey to select Sinx/x or X.
X: In the adjacent sample points are directly connected on a straight line.
This method is only confined to rebuild on the edge of signals, such as a
square wave.
Sinx/x: Connecting the sampling points with curves has stronger versatility.
Sinx interpolation method uses mathematical processing to calculate results
in the actual sample interval. This method bending signal waveform, and
make it produce a more realistic regular shape than pure square wave and
pulse. When the sampling frequency is 3 to 5 times the bandwidth frequency
of the system. Recommended Sinx/s interpolation method.
Loading ...
Loading ...
Loading ...