该程序主要是利用matlab采集一个正弦波信号，这个正弦信号时加偏置的，然后将其转换成16进制，最后输出到txt文本当中。-In order to finish this task that we should be used for matlab program that it can let a sin. signal convert to　hexadecimal and this singal add offset.The data ouput to txt.