def __init__(self, TypeLaunch='Transmission'):
    self.TypeLaunch = TypeLaunch
    self.Theta = 0
    if (self.TypeLaunch == 'PulseEcho'):
        self.pulseEcho()
    elif (self.TypeLaunch == 'Transmission'):
        self.transmission()
def __init__(self, TypeLaunch='Transmission'):
    self.TypeLaunch = TypeLaunch
    self.Theta = 0
    if (self.TypeLaunch == 'PulseEcho'):
        self.pulseEcho()
    elif (self.TypeLaunch == 'Transmission'):
        self.transmission()