ws50529
27 lines
794 B
Python
Executable File
27 lines
794 B
Python
Executable File
import numpy as np
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from scipy import signal
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from .config import BODE_MAX_MULTIPLIER, BODE_POINTS
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from .schemas import BodeParams
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from .validation import require_finite, validate_coefficients
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def calculate_bode_response(params: BodeParams):
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fs_val = require_finite(params.fs, "fs")
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b_vals = validate_coefficients(params.b, "b")
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a_vals = validate_coefficients(params.a, "a")
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f_min = params.fs / 50000.0
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f_max = params.fs * BODE_MAX_MULTIPLIER
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f_eval = np.logspace(np.log10(f_min), np.log10(f_max), BODE_POINTS)
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_, h = signal.freqz(b_vals, a_vals, worN=f_eval, fs=fs_val)
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mag = 20 * np.log10(np.abs(h) + 1e-12)
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phase = np.angle(h, deg=True)
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return {
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"freq": f_eval.tolist(),
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"mag": mag.tolist(),
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"phase": phase.tolist(),
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}
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