Merge branch 'main' of github.com:nqrduck/nqrduck-spectrometer
This commit is contained in:
commit
44b8b84823
2 changed files with 99 additions and 14 deletions
|
@ -1,6 +1,7 @@
|
|||
import logging
|
||||
import numpy as np
|
||||
import sympy
|
||||
from decimal import Decimal
|
||||
from pathlib import Path
|
||||
from PyQt6.QtGui import QPixmap
|
||||
from nqrduck.contrib.mplwidget import MplWidget
|
||||
|
@ -14,34 +15,30 @@ class Function:
|
|||
name: str
|
||||
parameters: list
|
||||
expression: str | sympy.Expr
|
||||
resolution: float
|
||||
resolution: Decimal
|
||||
start_x: float
|
||||
end_x: float
|
||||
|
||||
def __init__(self, expr) -> None:
|
||||
self.parameters = []
|
||||
self.expr = expr
|
||||
self.resolution = 1/30.72e6
|
||||
self.resolution = Decimal(1/30.72e6)
|
||||
self.start_x = -1
|
||||
self.end_x = 1
|
||||
|
||||
def get_time_points(self, pulse_length: float) -> np.ndarray:
|
||||
def get_time_points(self, pulse_length: Decimal) -> np.ndarray:
|
||||
"""Returns the time domain points for the function with the given pulse length."""
|
||||
# Get the time domain points
|
||||
n = int(pulse_length / self.resolution)
|
||||
t = np.linspace(0, pulse_length, n)
|
||||
t = np.linspace(0, float(pulse_length), n)
|
||||
return t
|
||||
|
||||
def evaluate(self, pulse_length: float) -> np.ndarray:
|
||||
def evaluate(self, pulse_length: Decimal) -> np.ndarray:
|
||||
"""Evaluates the function for the given pulse length."""
|
||||
n = int(pulse_length / self.resolution)
|
||||
t = np.linspace(self.start_x, self.end_x, n)
|
||||
x = sympy.symbols("x")
|
||||
|
||||
# If the expression is a string, convert it to a sympy expression
|
||||
if isinstance(self.expr, str):
|
||||
self.expr = sympy.sympify(self.expr)
|
||||
|
||||
found_variables = dict()
|
||||
# Create a dictionary of the parameters and their values
|
||||
for parameter in self.parameters:
|
||||
|
@ -56,7 +53,7 @@ class Function:
|
|||
|
||||
return f(t)
|
||||
|
||||
def frequency_domain_plot(self, pulse_length: float) -> MplWidget:
|
||||
def frequency_domain_plot(self, pulse_length: Decimal) -> MplWidget:
|
||||
mpl_widget = MplWidget()
|
||||
td = self.get_time_points(pulse_length)
|
||||
yd = self.evaluate(pulse_length)
|
||||
|
@ -64,17 +61,19 @@ class Function:
|
|||
mpl_widget.canvas.ax.plot(xdf, ydf)
|
||||
mpl_widget.canvas.ax.set_xlabel("Frequency in Hz")
|
||||
mpl_widget.canvas.ax.set_ylabel("Magnitude")
|
||||
mpl_widget.canvas.ax.grid(True)
|
||||
return mpl_widget
|
||||
|
||||
def time_domain_plot(self, pulse_length: float) -> MplWidget:
|
||||
def time_domain_plot(self, pulse_length: Decimal) -> MplWidget:
|
||||
mpl_widget = MplWidget()
|
||||
td = self.get_time_points(pulse_length)
|
||||
mpl_widget.canvas.ax.plot(td, abs(self.evaluate(pulse_length)))
|
||||
mpl_widget.canvas.ax.set_xlabel("Time in s")
|
||||
mpl_widget.canvas.ax.set_ylabel("Magnitude")
|
||||
mpl_widget.canvas.ax.grid(True)
|
||||
return mpl_widget
|
||||
|
||||
def get_pulse_amplitude(self, pulse_length: float) -> np.array:
|
||||
def get_pulse_amplitude(self, pulse_length: Decimal) -> np.array:
|
||||
"""Returns the pulse amplitude in the time domain."""
|
||||
return self.evaluate(pulse_length)
|
||||
|
||||
|
@ -110,6 +109,61 @@ class Function:
|
|||
obj.add_parameter(Function.Parameter.from_json(parameter))
|
||||
|
||||
return obj
|
||||
|
||||
@property
|
||||
def expr(self):
|
||||
return self._expr
|
||||
|
||||
@expr.setter
|
||||
def expr(self, expr):
|
||||
if isinstance(expr, str):
|
||||
try:
|
||||
self._expr = sympy.sympify(expr)
|
||||
except:
|
||||
logger.error("Could not convert %s to a sympy expression", expr)
|
||||
raise SyntaxError("Could not convert %s to a sympy expression" % expr)
|
||||
elif isinstance(expr, sympy.Expr):
|
||||
self._expr = expr
|
||||
|
||||
@property
|
||||
def resolution(self):
|
||||
""" The resolution of the function in seconds."""
|
||||
return self._resolution
|
||||
|
||||
@resolution.setter
|
||||
def resolution(self, resolution):
|
||||
try:
|
||||
self._resolution = Decimal(resolution)
|
||||
except:
|
||||
logger.error("Could not convert %s to a decimal", resolution)
|
||||
raise SyntaxError("Could not convert %s to a decimal" % resolution)
|
||||
|
||||
@property
|
||||
def start_x(self):
|
||||
""" The x value where the evalution of the function starts."""
|
||||
return self._start_x
|
||||
|
||||
@start_x.setter
|
||||
def start_x(self, start_x):
|
||||
try:
|
||||
self._start_x = float(start_x)
|
||||
except:
|
||||
logger.error("Could not convert %s to a float", start_x)
|
||||
raise SyntaxError("Could not convert %s to a float" % start_x)
|
||||
|
||||
@property
|
||||
def end_x(self):
|
||||
""" The x value where the evalution of the function ends."""
|
||||
return self._end_x
|
||||
|
||||
@end_x.setter
|
||||
def end_x(self, end_x):
|
||||
try:
|
||||
self._end_x = float(end_x)
|
||||
except:
|
||||
logger.error("Could not convert %s to a float", end_x)
|
||||
raise SyntaxError("Could not convert %s to a float" % end_x)
|
||||
|
||||
|
||||
class Parameter:
|
||||
def __init__(self, name: str, symbol: str, value: float) -> None:
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue