PVAnalysis.py 文件源码

def plot_time_freq(self, minlen=10):
        part = [pp for pp in self.partial if len(pp.f) > minlen]
        pl.figure()
        pl.hold(True)
        for pp in part:
            pl.plot(pp.start_idx + np.arange(len(pp.f)), np.array(pp.f))
        pl.hold(False)
        pl.xlabel('Time (s)')
        pl.ylabel('Frequency (Hz)')
        # pl.show()
        return pl.gca()