该程序将短时过零率与平均幅度两种方法相结合求取振动信号的起始点，是学习语音信号处理的好材料-The program will be a combination of short-time zero crossing rate and average amplitude are two ways to strike the starting point of the vibration signal is a good material for learning speech signal pro

模拟弹簧振子的简谐振动，界面简洁明朗，代码精炼-Simulated spring vibrator simple harmonic vibration, the interface concise and clear, code refining