kopia lustrzana https://github.com/NanoVNA-Saver/nanovna-saver
43 wiersze
1.5 KiB
Python
43 wiersze
1.5 KiB
Python
# NanoVNASaver
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#
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# A python program to view and export Touchstone data from a NanoVNA
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# Copyright (C) 2019, 2020 Rune B. Broberg
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# Copyright (C) 2020,2021 NanoVNA-Saver Authors
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import logging
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from typing import Dict, List
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import NanoVNASaver.AnalyticTools as at
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from NanoVNASaver.Analysis.Base import CUTOFF_VALS
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from NanoVNASaver.Analysis.HighPassAnalysis import HighPassAnalysis
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logger = logging.getLogger(__name__)
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class LowPassAnalysis(HighPassAnalysis):
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def __init__(self, app):
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super().__init__(app)
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self.set_titel('Lowpass filter analysis')
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def find_cutoffs(self,
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gains: List[float],
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peak: int, peak_db: float) -> Dict[str, int]:
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return {
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f"{attn:.1f}dB": at.cut_off_right(
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gains, peak, peak_db, attn)
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for attn in CUTOFF_VALS
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}
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