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Add circular convolution #8158

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Merged
cclauss merged 6 commits into from
Mar 7, 2023
Merged

Add circular convolution #8158

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1ea109c
add circular convolution
subhendudash02 Feb 25, 2023
4d4ff48
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Feb 25, 2023
5fef81d
add type hint for __init__
subhendudash02 Feb 25, 2023
944b000
rounding off final values to 2 and minor changes
subhendudash02 Feb 25, 2023
41cd2ec
add test case for unequal signals
subhendudash02 Feb 26, 2023
8cb2a63
changes in list comprehension and enumeraton
subhendudash02 Mar 7, 2023
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rounding off final values to 2 and minor changes
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@subhendudash02
subhendudash02 committed Feb 25, 2023
commit 944b0004f6fe748467d1ae267ae33694ddadc305
9 changes: 6 additions & 3 deletions electronics/circular_convolution.py
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Original file line number Diff line number Diff line change
Expand Up @@ -64,9 +64,9 @@ def circular_convolution(self) -> list[float]:

# fills the smaller signal with zeros to make both signals of same length
if length_first_signal < length_second_signal:
self.second_signal = self.second_signal + np.zeros(max_length)
self.second_signal += np.zeros(max_length)
elif length_first_signal > length_second_signal:
self.first_signal = self.first_signal + np.zeros(max_length)
self.first_signal += np.zeros(max_length)

"""
Fills the matrix in the following way assuming 'x' is the signal
Expand All @@ -86,9 +86,12 @@ def circular_convolution(self) -> list[float]:
matrix = list(np.transpose(matrix))

# multiply the matrix with the first signal
self.first_signal = np.transpose(self.first_signal)
np.transpose(self.first_signal)
final_signal = list(np.matmul(matrix, self.first_signal))

# rounding-off to two decimal places
final_signal = [round(i, 2) for i in final_signal]

return final_signal


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