kopia lustrzana https://github.com/NanoVNA-Saver/nanovna-saver
45 wiersze
1.7 KiB
Python
45 wiersze
1.7 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.BandPassAnalysis import BandPassAnalysis
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logger = logging.getLogger(__name__)
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class BandStopAnalysis(BandPassAnalysis):
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def __init__(self, app):
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super().__init__(app)
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self.set_titel("Band stop filter analysis")
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def find_center(self, gains: List[float]) -> int:
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return max(enumerate(gains), key=lambda i: i[1])[0]
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def find_bounderies(self,
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gains: List[float],
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_: int, peak_db: float) -> Dict[str, int]:
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cutoff_pos = {}
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for attn in CUTOFF_VALS:
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cutoff_pos[f"{attn:.1f}dB_l"], cutoff_pos[f"{attn:.1f}dB_r"] = (
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at.dip_cut_offs(gains, peak_db, attn))
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return cutoff_pos
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