针对语音信号振幅较大时传统压缩算法的跟踪性较差的情况,提出了一种新型的改进型自适 应ADDPCM 语音压缩算法. 同时,根据语音信号不连续的特点,压缩算法具有静音识别功能,进一 步提高了语音信号的压缩率

matlab实现的阶次分析算法，用于变转速机械故障特征提取，可运行，包含寻找脉冲时刻，等角度时刻，数字跟踪滤波，样条差值等步骤(The order analysis algorithm realized by Matlab is used to extract the fault features of variable speed machinery. It can be operated, including the steps of finding impulse moment, equa