class AnalogSwitch(Filter):
def __init__(self):
self.blockActivated = True
self.samplingSignal = None
def control_by_sampling_signal(self, sampling_signal):
self.samplingSignal = Signal(sampling_signal.timeArray)
self.samplingSignal.copy_signal(sampling_signal)
def deactivate_block(self, deactivate):
self.blockActivated = not deactivate
def apply_to_signal(self, signal_in):
returning_signal = Signal(None)
returning_signal.copy_signal(signal_in)
if self.blockActivated:
out_x_array = signal_in.timeArray.copy()
out_y_array = signal_in.yValues.copy()
for it in range(0, len(signal_in.timeArray)):
if self.samplingSignal.yValues[it] > 0.5: # Chequea si la senal de sampleo esta activa
out_y_array[it] = signal_in.yValues[it]
else:
out_y_array[it] = 0
returning_signal.set_x_y_values(out_x_array, out_y_array)
returning_signal.set_step_plot(True)
return returning_signal
def get_filter_freq_response(self):
return self.angularFreq, self.freqResponse
class SampleAndHold(Filter):
def __init__(self):
self.blockActivated = True
self.samplingSignal = None
def control_by_sampling_signal(self, sampling_signal):
self.samplingSignal = None
self.samplingSignal = Signal(sampling_signal.timeArray)
self.samplingSignal.copy_signal(sampling_signal)
def deactivate_block(self, deactivate):
self.blockActivated = not deactivate
def apply_to_signal(self, signal_in):
returning_signal = Signal(None)
returning_signal.copy_signal(signal_in)
if self.blockActivated:
out_x_array = signal_in.timeArray.copy()
out_y_array = signal_in.yValues.copy()
for it in range(0, len(signal_in.timeArray)):
if self.samplingSignal.yValues[it] > 0.4: # Chequea si la senal de sampleo esta activa
out_y_array[it] = signal_in.yValues[it]
else:
if it > 0 and out_y_array[it - 1] is not None:
out_y_array[it] = out_y_array[it - 1]
else:
out_y_array[it] = 0
returning_signal.set_x_y_values(out_x_array, out_y_array)
returning_signal.set_step_plot(True)
return returning_signal
def add_signal_to_oscilloscope(self, signal):
if self.hidden:
self.hidden = False
self.__show_oscilloscope__()
new_signal = Signal(signal.timeArray)
new_signal.copy_signal(signal)
self.plot_signals.append(new_signal)
list_widget_item = QListWidgetItem(new_signal.description)
self.signalList.addItem(list_widget_item)
self.plot_current_signals()
def apply_to_signal(self, signal_in):
returning_signal = Signal(None)
returning_signal.copy_signal(signal_in)
if self.blockActivated:
out_x_array = signal_in.timeArray.copy()
out_y_array = signal_in.yValues.copy()
for it in range(0, len(signal_in.timeArray)):
if self.samplingSignal.yValues[it] > 0.5: # Chequea si la senal de sampleo esta activa
out_y_array[it] = signal_in.yValues[it]
else:
out_y_array[it] = 0
returning_signal.set_x_y_values(out_x_array, out_y_array)
returning_signal.set_step_plot(True)
return returning_signal
def apply_to_signal(self, signal_in):
returning_signal = Signal(None)
returning_signal.copy_signal(signal_in)
if self.blockActivated:
if 1 / signal_in.period <= 3.9:
tout, y, ni = signal.lsim(
(self.b1, self.a1), signal_in.yValues, signal_in.timeArray)
returning_signal.set_x_y_values(tout, y)
returning_signal.cut_first_period()
elif 3510 >= 1 / signal_in.period > 3.9:
tout, y, ni = signal.lsim(
(self.b2, self.a2), signal_in.yValues, signal_in.timeArray)
returning_signal.set_x_y_values(tout, y)
returning_signal.cut_first_period()
else:
tout, y, ni = signal.lsim(
(self.b3, self.a3), signal_in.yValues, signal_in.timeArray)
returning_signal.set_x_y_values(tout, y)
returning_signal.cut_first_period()
return returning_signal
def get_signal(self, signal_order):
returning_signal = Signal(None)
if self.signals[signal_order] is not None:
returning_signal.copy_signal(self.signals[signal_order])
return returning_signal
else:
found = False
i = signal_order - 1
while not found and i >= 0:
if self.signals[i] is not None:
found = True
else:
i -= 1
if not found:
return None
else:
for it in range(i, signal_order):
self.signals[it + 1] = self.blocks[it].apply_to_signal(
self.signals[it])
returning_signal.copy_signal(self.signals[signal_order])
return returning_signal
def add_signal(self, signal, signal_order):
new_aux = Signal(signal.timeArray)
new_aux.copy_signal(signal)
self.signals[signal_order] = new_aux