说明：  提供了四种不同的采集数据，001和002是FSK2信号，003和004文件是FSK4信号，两个mat文件是广播接收FM信号和对讲机接收的FM信号，这两个文件都是基带信号，其他六个都是中频信号，载波分别是250KHz（001-004文件）和21.6MHz（AM信号abc0和abc1文件），提供这几个采集到的数据文件供大家进行程序的测试和修正
(Provides four different data acquisition, 001. 002 is a the FSK2 signal, 003 and 004 file is FSK4 signal, two mat file is the FM signal received by the broadcast receiving FM signals and intercom, these two files are a baseband signal, the other six are intermediate frequency signals, the carrier is 250KHz (001-004 files) and 21.6MHz (AM signal abc0 and the abc1 files), the provision of several data files collected for program testing and remediation)