Qt绘制频谱

#include “dialogimpl.h“
//
DialogImpl::DialogImpl（ QWidget * parent Qt::WFlags f） 
	: QDialog（parent f）
{
	setupUi（this）;
}
//

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2015-09-20 13:01  QFreq-zfg
     目录           0  2015-09-20 13:01  QFreq-zfgdebug
     文件     2228302  2014-03-16 05:26  QFreq-zfgdebuglibfftw3-3.dll
     文件     1847372  2015-09-20 12:43  QFreq-zfgdebug est.exe
     文件         881  2015-09-20 11:40  QFreq-zfgdialog.ui
     文件         129  2008-01-26 23:18  QFreq-zfgdialogimpl.cpp
     文件         246  2008-01-26 23:18  QFreq-zfgdialogimpl.h
     文件       18312  2014-03-16 05:27  QFreq-zfgfftw3.h
     文件     2228302  2014-03-16 05:26  QFreq-zfglibfftw3-3.dll
     文件         246  2008-01-26 23:18  QFreq-zfgmain.cpp
     文件       18654  2015-09-20 12:55  QFreq-zfgqfreq.cpp
     文件        2609  2015-09-20 12:59  QFreq-zfgqfreq.h
     文件        1563  2008-02-08 20:50  QFreq-zfgqfreq.png
     文件         123  2008-02-08 20:47  QFreq-zfgqfreq.qrc
     文件         668  2008-02-08 21:35  QFreq-zfgREADME
     目录           0  2015-09-20 13:01  QFreq-zfg
elease
     文件        7476  2014-08-23 08:16  QFreq-zfg
eleaseGAudio_Receive.wav
     文件        4825  2014-08-23 08:16  QFreq-zfg
eleaseGlobal.wav
     文件     2228302  2014-03-16 05:26  QFreq-zfg
eleaselibfftw3-3.dll
     文件        9220  2014-08-23 08:16  QFreq-zfg
eleasePaiPaiMsg.wav
     文件        7390  2014-08-23 08:16  QFreq-zfg
eleaseshake.wav
     文件          58  2008-04-14 20:00  QFreq-zfg
eleasesndrec.wav
     文件      103330  2014-08-23 08:16  QFreq-zfg
eleaseSoundTest.wav
     文件        6947  2014-08-23 08:16  QFreq-zfg
eleasesystem.wav
     文件       93696  2015-09-20 12:59  QFreq-zfg
elease est.exe
     文件        5680  2014-08-23 08:16  QFreq-zfg
eleaseVideoShow_Countdown.wav
     文件         220  2015-09-20 11:35  QFreq-zfg est.pro