//?OFDM.cpp?:?Defines?the?class?behaviors?for?the?application.
//

#include?“stdafx.h“
#include?“OFDM.h“
#include?“OFDMDlg.h“
#include“math.h“
#ifdef?_DEBUG
#define?new?DEBUG_NEW
#undef?THIS_FILE
static?char?THIS_FILE[]?=?__FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
//?COFDMApp

BEGIN_MESSAGE_MAP（COFDMApp?CWinApp）
	//{{AFX_MSG_MAP（COFDMApp）
		//?NOTE?-?the?ClassWizard?will?add?and?remove?mapping?macros?here.
		//????DO?NOT?EDIT?what?you?see?in?these?blocks?of?generated?code!
	//}}AFX_MSG
	ON_COMMAND（ID_HELP?CWinApp::onhelp）
END_MESSAGE_MAP（）

/////////////////////////////////////////////////////////////////////////////
//?COFDMApp?construction

COFDMApp::COFDMApp（）
{
	//?TODO:?add?construction?code?here
	//?Place?all?significant?initialization?in?InitInstance
}

/////////////////////////////////////////////////////////////////////////////
//?The?one?and?only?COFDMApp?object

COFDMApp?theApp;

/////////////////////////////////////////////////////////////////////////////
//?COFDMApp?initialization

BOOL?COFDMApp::InitInstance（）
{
	AfxEnableControlContainer（）;

	//?Standard?initialization
	//?If?you?are?not?using?these?features?and?wish?to?reduce?the?size
	//??of?your?final?executable?you?should?remove?from?the?following
	//??the?specific?initialization?routines?you?do?not?need.

#ifdef?_AFXDLL
	Enable3dControls（）;			//?Call?this?when?using?MFC?in?a?shared?DLL
#else
	Enable3dControlsStatic（）;	//?Call?this?when?linking?to?MFC?statically
#endif

	COFDMDlg?dlg;
	m_pMainWnd?=?&dlg;
	int?nResponse?=?dlg.DoModal（）;
	if?（nResponse?==?IDOK）
	{
		//?TODO:?Place?code?here?to?handle?when?the?dialog?is
		//??dismissed?with?OK
	}
	else?if?（nResponse?==?IDCANCEL）
	{
		//?TODO:?Place?code?here?to?handle?when?the?dialog?is
		//??dismissed?with?Cancel
	}

	//?Since?the?dialog?has?been?closed?return?FALSE?so?that?we?exit?the
	//??application?rather?than?start?the?application‘s?message?pump.
	return?FALSE;
}
Complex::Complex（）
{
		real=0;
		imag=0;		
}
Complex?Complex::operator+（Complex?c）
{
	Complex?tmp;
	tmp.real=real+c.real;
	tmp.imag=c.imag+c.imag;
	return?tmp;
}
Complex?Complex::operator-（Complex?c）
{
	Complex?tmp;
	tmp.real=real-c.real;
	tmp.imag=imag-c.imag;
	return?tmp;
}
Complex?Complex::operator*（Complex?c）
{
	Complex?tmp;
	tmp.real=real*c.real-imag*c.imag;
	tmp.imag=imag*c.real+real*c.imag;
	return?tmp;
}

void?DFT（double?*frdouble?*fidouble?*trdouble?*tiint?N）
{
	for（int?i=0;i	{
		tr[i]=ti[i]=0;
		for（int?j=0;j		{
			double?p=-2*PI*i*j/N;
			tr[i]+=fr[j]*cos（p）-fi[j]*sin（p）;
			ti[i]+=fr[j]*sin（p）+fi[j]*cos（p）;
		}
//		tr[i]/=N;
//		ti[i]/=N;
	}
}
void?IDFT（int?*frint?*fidouble?*trdouble?*tiint?N）
{

	for（int?i=0;i	{
		tr[i]=ti[i]=0;
		for（int?j=0;j		{
			double?p=2*PI*i*j/N;
			tr[i]+=fr[j]*cos（p）-fi[j]*sin（p）;
			ti[i]+=fr[j]*sin（p）+fi[j

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????192549??2010-07-01?16:08??C++實現OFDM\Debug\522.exe

?????文件?????236968??2010-07-01?16:08??C++實現OFDM\Debug\522.ilk

?????文件???????5668??2010-07-01?16:08??C++實現OFDM\Debug\522.obj

?????文件?????244376??2010-07-01?16:06??C++實現OFDM\Debug\522.pch

?????文件?????500736??2010-07-01?16:08??C++實現OFDM\Debug\522.pdb

?????文件?????196644??2010-07-01?15:37??C++實現OFDM\Debug\56.exe

?????文件?????228276??2010-07-01?15:37??C++實現OFDM\Debug\56.ilk

?????文件???????5500??2010-07-01?15:37??C++實現OFDM\Debug\56.obj

?????文件?????244376??2010-07-01?15:37??C++實現OFDM\Debug\56.pch

?????文件?????386048??2010-07-01?15:37??C++實現OFDM\Debug\56.pdb

?????文件?????180264??2010-06-30?14:45??C++實現OFDM\Debug\global.exe

?????文件?????213676??2010-06-30?14:45??C++實現OFDM\Debug\global.ilk

?????文件???????6228??2010-06-30?14:45??C++實現OFDM\Debug\global.obj

?????文件?????244376??2010-06-30?14:45??C++實現OFDM\Debug\global.pch

?????文件?????377856??2010-06-30?14:45??C++實現OFDM\Debug\global.pdb

?????文件?????192554??2010-06-27?15:22??C++實現OFDM\Debug\lingxing.exe

?????文件?????234372??2010-06-27?15:22??C++實現OFDM\Debug\lingxing.ilk

?????文件???????5538??2010-06-27?15:22??C++實現OFDM\Debug\lingxing.obj

?????文件?????244376??2010-06-27?15:21??C++實現OFDM\Debug\lingxing.pch

?????文件?????500736??2010-06-27?15:22??C++實現OFDM\Debug\lingxing.pdb

?????文件?????200740??2010-06-29?15:37??C++實現OFDM\Debug\pi.exe

?????文件?????228744??2010-06-29?15:37??C++實現OFDM\Debug\pi.ilk

?????文件???????5748??2010-06-29?15:37??C++實現OFDM\Debug\pi.obj

?????文件?????244376??2010-06-29?15:27??C++實現OFDM\Debug\pi.pch

?????文件?????492544??2010-06-29?15:37??C++實現OFDM\Debug\pi.pdb

?????文件?????192551??2010-06-25?20:11??C++實現OFDM\Debug\qiuhe.exe

?????文件?????235536??2010-06-25?20:11??C++實現OFDM\Debug\qiuhe.ilk

?????文件???????5463??2010-06-25?20:11??C++實現OFDM\Debug\qiuhe.obj

?????文件?????244376??2010-06-25?19:50??C++實現OFDM\Debug\qiuhe.pch

?????文件?????500736??2010-06-25?20:11??C++實現OFDM\Debug\qiuhe.pdb

............此處省略78個文件信息