noise_test.py 文件源码

def __call__(self, sample):
        # keep tract of absolute value of
        self.diff = np.add(self.diff,
                           np.absolute(np.asarray(sample.channel_data)))
        self.sample_count = self.sample_count + 1

        elapsed_time = timeit.default_timer() - self.last_report
        if elapsed_time > self.polling_interval:
            channel_noise_power = np.divide(self.diff, self.sample_count)

            print (channel_noise_power)
            self.diff = np.zeros(self.eeg_channels)
            self.last_report = timeit.default_timer()

    # # Instanciate "monitor" thread