使用MFC所写的FFT处理程序 见 贾永红的数字图象处理 (2017-11-11, Others, 2KB, 下载1次)
http://www.pudn.com/Download/item/id/1510366630388370.html
利用蜂鸣器演奏音乐，工作不忘娱乐放松。^_^
Use buzzer playing music, the work did not forget to relax entertainment. ^ _ ^ (2008-11-07, Others, 9KB, 下载37次)