add really rudimentary 1-port calibration support
This commit is contained in:
parent
30fb1190bb
commit
80fd25e7e4
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@ -1,16 +1,505 @@
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|
||||
449498997.995992,
|
||||
450340681.3627255,
|
||||
451182364.7294589,
|
||||
452024048.0961924,
|
||||
452865731.46292585,
|
||||
453707414.82965934,
|
||||
454549098.1963928,
|
||||
455390781.56312627,
|
||||
456232464.92985976,
|
||||
457074148.2965932,
|
||||
457915831.6633267,
|
||||
458757515.0300601,
|
||||
459599198.3967936,
|
||||
460440881.7635271,
|
||||
461282565.1302605,
|
||||
462124248.496994,
|
||||
462965931.86372745,
|
||||
463807615.23046094,
|
||||
464649298.59719443,
|
||||
465490981.96392787,
|
||||
466332665.33066136,
|
||||
467174348.6973948,
|
||||
468016032.0641283,
|
||||
468857715.4308618,
|
||||
469699398.7975952,
|
||||
470541082.1643287,
|
||||
471382765.5310621,
|
||||
472224448.8977956,
|
||||
473066132.26452905,
|
||||
473907815.63126254,
|
||||
474749498.99799603,
|
||||
475591182.36472946,
|
||||
476432865.73146296,
|
||||
477274549.0981964,
|
||||
478116232.4649299,
|
||||
478957915.83166337,
|
||||
479799599.1983968,
|
||||
480641282.5651303,
|
||||
481482965.9318637,
|
||||
482324649.2985972,
|
||||
483166332.6653307,
|
||||
484008016.03206414,
|
||||
484849699.39879763,
|
||||
485691382.76553106,
|
||||
486533066.13226455,
|
||||
487374749.498998,
|
||||
488216432.8657315,
|
||||
489058116.23246497,
|
||||
489899799.5991984,
|
||||
490741482.9659319,
|
||||
491583166.3326653,
|
||||
492424849.6993988,
|
||||
493266533.0661323,
|
||||
494108216.43286574,
|
||||
494949899.79959923,
|
||||
495791583.16633266,
|
||||
496633266.53306615,
|
||||
497474949.89979964,
|
||||
498316633.2665331,
|
||||
499158316.63326657,
|
||||
500000000.0
|
||||
],
|
||||
"power": -5
|
||||
}
|
||||
|
|
@ -6,7 +6,7 @@ import numpy as np
|
|||
from charon_vna.gui import DEFAULT_CONFIG
|
||||
|
||||
config = dict(
|
||||
frequency=np.linspace(1e9, 2e9, 11).tolist(),
|
||||
frequency=np.linspace(80e6, 500e6, 500).tolist(),
|
||||
power=-5,
|
||||
)
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,6 @@
|
|||
# %% imports
|
||||
import json
|
||||
import pickle
|
||||
import re
|
||||
import sys
|
||||
from pathlib import Path
|
||||
|
|
@ -7,11 +8,13 @@ from typing import List
|
|||
|
||||
import matplotlib as mpl
|
||||
import numpy as np
|
||||
import skrf as rf
|
||||
import xarray as xr
|
||||
from numpy import typing as npt
|
||||
from PySide6.QtGui import QAction, QKeySequence
|
||||
from PySide6.QtWidgets import (
|
||||
QApplication,
|
||||
QDialogButtonBox,
|
||||
QFileDialog,
|
||||
QInputDialog,
|
||||
QLineEdit,
|
||||
|
|
@ -24,6 +27,7 @@ from PySide6.QtWidgets import (
|
|||
from vna import Charon
|
||||
|
||||
from charon_vna.plots import PlotWidget
|
||||
from charon_vna.util import net2s, s2net
|
||||
|
||||
# %%
|
||||
DEFAULT_CONFIG = Path(__file__).parent / "config_default.json"
|
||||
|
|
@ -88,6 +92,9 @@ class MainWindow(QMainWindow):
|
|||
|
||||
menu_calibration = QMenu("&Calibration")
|
||||
menubar.addMenu(menu_calibration)
|
||||
action_cal_solt = QAction("&SOLT", self)
|
||||
action_cal_solt.triggered.connect(self.calibrate_solt)
|
||||
menu_calibration.addAction(action_cal_solt)
|
||||
|
||||
# Content
|
||||
window_layout = QVBoxLayout()
|
||||
|
|
@ -163,22 +170,26 @@ class MainWindow(QMainWindow):
|
|||
print(f"Loading config from {path}...")
|
||||
# TODO: load config
|
||||
|
||||
def progress_callback(self, done: int, total: int):
|
||||
self.prog_sweep.setMaximum(total)
|
||||
self.prog_sweep.setValue(done)
|
||||
|
||||
def capture(self) -> None:
|
||||
def callback(done: int, total: int):
|
||||
self.prog_sweep.setMaximum(total)
|
||||
self.prog_sweep.setValue(done)
|
||||
s = self.vna.vna_capture(self._frequency, self.progress_callback)
|
||||
|
||||
s = self.vna.vna_capture(self._frequency, callback)
|
||||
|
||||
data = xr.DataArray(
|
||||
[[s]],
|
||||
dims=["m", "n", "frequency"],
|
||||
coords=dict(
|
||||
frequency=s.coords["frequency"],
|
||||
m=[1],
|
||||
n=[1],
|
||||
),
|
||||
)
|
||||
if self.vna.calibration is not None:
|
||||
s_calibrated = self.vna.calibration.apply_cal(s2net(s))
|
||||
data = net2s(s_calibrated)
|
||||
else:
|
||||
data = xr.DataArray(
|
||||
[[s]],
|
||||
dims=["m", "n", "frequency"],
|
||||
coords=dict(
|
||||
frequency=s.coords["frequency"],
|
||||
m=[1],
|
||||
n=[1],
|
||||
),
|
||||
)
|
||||
|
||||
for plot in self.plots:
|
||||
plot.update_plot(data)
|
||||
|
|
@ -197,6 +208,31 @@ class MainWindow(QMainWindow):
|
|||
# Currently does not support zero span
|
||||
self._frequency = frequency
|
||||
|
||||
def calibrate_solt(self):
|
||||
if len(self.vna.ports) > 1:
|
||||
raise NotImplementedError
|
||||
|
||||
calfile = Path(__file__).parent / "cal.pkl"
|
||||
if calfile.exists():
|
||||
# don't re-cal while debugging because that's slooooooow
|
||||
with open(calfile, "rb") as f:
|
||||
calibration = pickle.load(f)
|
||||
else:
|
||||
s = dict()
|
||||
for net in ["short", "open", "load"]:
|
||||
input(f"Connect {net} standard and press ENTER...")
|
||||
s[net] = self.vna.vna_capture(self._frequency, self.progress_callback)
|
||||
|
||||
ideal = rf.media.DefinedGammaZ0(frequency=rf.media.Frequency.from_f(self._frequency, unit="Hz"))
|
||||
calibration = rf.calibration.OnePort(
|
||||
[s2net(s["short"]), s2net(s["open"]), s2net(s["load"])],
|
||||
[ideal.short(), ideal.open(), ideal.load(0)],
|
||||
)
|
||||
# TODO: don't use pickles for calibration. They're fragile
|
||||
with open(calfile, "wb") as f:
|
||||
pickle.dump(calibration, f)
|
||||
self.vna.calibration = calibration
|
||||
|
||||
|
||||
def main() -> None:
|
||||
app = QApplication(sys.argv)
|
||||
|
|
|
|||
|
|
@ -13,7 +13,8 @@ from matplotlib import pyplot as plt
|
|||
from matplotlib.ticker import EngFormatter
|
||||
from numpy import typing as npt
|
||||
from scipy import signal
|
||||
from util import HAM_BANDS, db20, net2s, s2net
|
||||
|
||||
from charon_vna.util import HAM_BANDS, db20, net2s, s2net
|
||||
|
||||
dir_ = Path(__file__).parent
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user