Based on the MHF wavelet method, the temporal-frequency multi-time scale variation and jump of summer air temperature and precipitation on Inner Mongolia Hangjin Houqi were analyzed.

• 摘要利用MHF（墨西哥帽函数）小波变换分析方法对内蒙古杭锦后旗夏季气温及降水的时间-频率的多层次时间尺度变化特征进行了分析。