diff options
Diffstat (limited to 'qolab')
| -rw-r--r-- | qolab/hardware/scope/sds1104x.py | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/qolab/hardware/scope/sds1104x.py b/qolab/hardware/scope/sds1104x.py index e7dde5b..e84a405 100644 --- a/qolab/hardware/scope/sds1104x.py +++ b/qolab/hardware/scope/sds1104x.py @@ -81,10 +81,30 @@ class SDS1104X(ScopeSCPI): self, chNum, availableNpnts=None, maxRequiredPoints=None, decimate=True ): """ - If decimate=True is used, we get all available points and then low-pass filter them. - The result is less noisy. But transfer time from the instrument is longer. - If decimate=False, then it we are skipping points to get needed number - but we might see aliasing, if there is a high frequency noise and sparsing > 1 + Get raw channel waveform in binary format. + + Parameters: + ---------- + chNum : int + Scope channel to use: 1, 2, 3, or 4 + availableNpnts : int or None (default) + Available numnber of points. Do not set it if you want it auto detected. + maxRequiredPoints : int + Maximum number of required points, if we ask less than available + we well get sparse set which proportionally fills all available time range. + decimate : False or True (default) + Decimate should be read as apply the low pass filter or not, technically + for both setting we get decimation (i.e. smaller than available + at the scope number of points). The name came from + ``scipy.signal.decimate`` filtering function. + If ``decimate=True`` is used, we get all available points + and then low-pass filter them to get ``maxRequiredPoints`` + The result is less noisy then, but transfer time from the instrument + is longer. + If ``decimate=False``, then it we are skipping points to get needed number + but we might see aliasing, if there is a high frequency noise + and sparing > 1. Unless you know what you doing, it is recommended + to use ``decimate=True``. """ ( |