Horizontal averaging

Check and verify acoustic averaging

stg.BS_cross_section_pre_process_average[self.combobox_acoustic_data_choice.currentIndex()] = (deepcopy(
stg.BS_cross_section_pre_process_SNR[self.combobox_acoustic_data_choice.currentIndex()]))

for f, _ in enumerate(stg.freq[self.combobox_acoustic_data_choice.currentIndex()]):
for i in range(y_depth.shape[1]):

stg.BS_cross_section_pre_process_average[self.combobox_acoustic_data_choice.currentIndex()][f, i, :] = (
convolve(stg.BS_cross_section_pre_process_SNR[self.combobox_acoustic_data_choice.currentIndex()][f, i, :],
kernel_avg))