Front

Validate data

Choose data format
from a list:

In advanced options
show the start and the end of the file
with an option to skip first n lines and last m lines
(in case file have some additional data)

Choose separator
(i.e.
","
" "
";")

Back

input ->
Find loaded resonant frequency
_{f l}

Front

Draw plot in axes
abs(S11) and f

Draw Smith chart

Show status of validation to user
(inform about format issues)

Set it to input point with minimum abs value

Repeated Curve Fitting
(eq 1.189-1.197, p. 62, [3])

Convert to standard backend input:
freq,
Re(S11),
Im(S11)

input, fl ->
Find circle coefficients
a[0], a[1], a[2]

Weighted Curve Fitting
(eq 8-13, p. 2, [1])

input, fl ->
Correct circle coefficients
a[0], a[1], a[2]

Weighted Repeated Curve Fitting
(eq 8-17, p. 2, [1])

Get results:
Ql, diameter, k, Q0

(eq 3-6, p. 2, [1])

Get random deviations for:
Ql, diameter, k, Q0

(eq 18-22, p. 3, [1])

(eq 1.228, 1.233, 1.236-1.240, p. 69, [3])

Correction for coupling losses?

(eq 30, 41, [1])

Get systematic errors?

Print results and errors:
Ql, diameter, k, Q0

Data