SP汉字验证码的实现代码，仿网易验汉字证码-SP characters validation code code, like Netease permit inspection code of Chinese characters

通过三轴加速度传感器采集的人书写0-9数字的加速度信号，供300组，可用于手势识别分类原始数据-The acceleration signal of the 0-9 digital signal collected by the three axis acceleration sensor is provided for the 300 groups, which can be used for the classification of gesture recognition.