diff options
Diffstat (limited to 'pyecsca/sca/trace/sampling.py')
| -rw-r--r-- | pyecsca/sca/trace/sampling.py | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/pyecsca/sca/trace/sampling.py b/pyecsca/sca/trace/sampling.py index fdd5e5b..0a32c28 100644 --- a/pyecsca/sca/trace/sampling.py +++ b/pyecsca/sca/trace/sampling.py @@ -1,5 +1,4 @@ import numpy as np -from copy import copy from public import public from scipy.signal import decimate @@ -18,7 +17,7 @@ def downsample_average(trace: Trace, factor: int = 2) -> Trace: """ resized = np.resize(trace.samples, len(trace.samples) - (len(trace.samples) % factor)) result_samples = resized.reshape(-1, factor).mean(axis=1).astype(trace.samples.dtype) - return Trace(result_samples, copy(trace.title), copy(trace.data)) + return trace.with_samples(result_samples) @public @@ -32,7 +31,7 @@ def downsample_pick(trace: Trace, factor: int = 2, offset: int = 0) -> Trace: :return: """ result_samples = trace.samples[offset::factor].copy() - return Trace(result_samples, copy(trace.title), copy(trace.data)) + return trace.with_samples(result_samples) @public @@ -45,4 +44,4 @@ def downsample_decimate(trace: Trace, factor: int = 2) -> Trace: :return: """ result_samples = decimate(trace.samples, factor) - return Trace(result_samples, copy(trace.title), copy(trace.data)) + return trace.with_samples(result_samples) |