Data mining purpose is to find interesting patterns within great number of data. One of its functionality is association that is finding association rule which meet minimum support value (minsup) and minimum confidence (minconf). Association techniqu

频率测量 单片机测频汇编程序，以89C51为例，0--255Hz ，T0口输入信号。-Frequency measurement The single-chip frequency measurement assembler to 89C51, for example, 0- 255Hz, the T0 port input signal.