Пример #1
0
 def update_response(self):
     """ Update the response plot """
     speaker = VentedSpeaker(self.current_driver, self.current_box)
     freqs, amplitude = speaker.frequency_response()
     self.amplitude_line.set_xdata(freqs)
     self.amplitude_line.set_ydata(amplitude)
     manufacturer = self.current_driver.manufacturer
     model = self.current_driver.model
     box_volume = 1e3*self.current_box.Vab
     box_tuning = self.current_box.fb
     label = '{0} {1} in {2:2g}l / {3}Hz'.format(
         manufacturer, model, box_volume, box_tuning)
     self.amplitude_line.set_label(label)
     self.amplitude_axes.legend(loc='lower right')
     self.canvas.draw()
Пример #2
0
 def add_new_response(self):
     """ Add an additional response to the plot """
     speaker = VentedSpeaker(self.current_driver, self.current_box)
     freqs, amplitude = speaker.frequency_response()
     self.amplitude_line, = self.amplitude_axes.semilogx(
             freqs, amplitude)
     manufacturer = self.current_driver.manufacturer
     model = self.current_driver.model
     box_volume = 1e3*self.current_box.Vab
     box_tuning = self.current_box.fb
     label = '{0} {1} in {2:2g}l / {3}Hz'.format(
         manufacturer, model, box_volume, box_tuning)
     self.amplitude_line.set_label(label)
     self.amplitude_axes.legend(loc='lower right')
     self.set_plot_options()
     self.canvas.draw()
Пример #3
0
 def test_cutoff_calculation(self):
     driver_db = driver_database.DriverDB.from_file('driver_db.json')
     driver = driver_db[0]
     box = vented_box.VentedBox(Vab=90.0, fb=43.0, Ql=20.0)
     speaker = VentedSpeaker(driver, box)
     self.assertAlmostEqual(speaker.f_3(), 36.9606852)