dlg08.cpp

数字信号处理实验程序。福利业快速变换

// Dlg08.cpp : implementation file
//

#include "stdafx.h"
#include "DSP.h"
#include "Dlg08.h"
#include "src/system.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CDlg08 dialog


CDlg08::CDlg08(CWnd* pParent /*=NULL*/)
	: CDialog(CDlg08::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlg08)
	m_yz = _T("");
	m_xz = _T("");
	//}}AFX_DATA_INIT
}


void CDlg08::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlg08)
	DDX_Text(pDX, IDC_EDIT1, m_yz);
	DDX_Text(pDX, IDC_EDIT2, m_xz);
	DDX_Control(pDX, IDC_MSFLEXGRID1, m_grid);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDlg08, CDialog)
	//{{AFX_MSG_MAP(CDlg08)
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlg08 message handlers

void CDlg08::OnButton1() 
{
	// TODO: Add your control notification handler code here
	UpdateData();
	int i;
	Dsignal sgny,sgnx;
	sgny.CStringToSignal(m_yz);
	sgnx.CStringToSignal(m_xz);
	Dsystem sys;
	sys.initial(1.0,sgny,sgnx);
	sgntemp=sys.GetAllResponseAbs();
	sgntemp.FFT();
	CDC* pDC = GetDC();
	m_grid.SetRows(3);
	m_grid.SetCols(sgntemp.length+1);
	for (i=1;i<=sgntemp.length;i++)
	{
		m_grid.SetColWidth ( i,( long ) ( 144 * 1440.0 / pDC->GetDeviceCaps(LOGPIXELSX) ) );
	}
	
	m_grid.SetTextMatrix(1,0,"Time");
	m_grid.SetTextMatrix(2,0,"Freq");
	CString str;
	CString str1;
	for (i=0;i<sgntemp.length;i++)
	{	str.Format("%d",i+1);
		m_grid.SetTextMatrix(0,i+1,str);
		str.Empty();
		str.Format("%4.4f",sgntemp.sgnt[i]);
		m_grid.SetTextMatrix(1,i+1,str);
		str.Empty();
		str1.Empty();
		str.Format("%4.4f",sgntemp.sgnw[i].real);
		str1.Format("%4.4f",sgntemp.sgnw[i].imag);
		if (sgntemp.sgnw[i].imag>0)
			str=str+'+'+str1+'i';
		else
			str=str+str1+'i';
		m_grid.SetTextMatrix(2,i+1,str);
	}
	
	UpdateData(FALSE);
}

void CDlg08::OnCancel() 
{
	// TODO: Add extra cleanup here
	MessageBox("真的要退出吗?");
	CDialog::OnCancel();
}

void CDlg08::OnOK() 
{
	// TODO: Add extra validation here
	sgn.FreqChangeToTime(sgntemp);
	drawdiscrete=FALSE;
	MessageBox("转换完毕");
	CDialog::OnOK();
}

void CDlg08::OnButton2() 
{
	// TODO: Add your control notification handler code here
	sgn.FreqChangeToTime(sgntemp);
	sgn.ChangeToDB();
	drawdiscrete=FALSE;
	MessageBox("转换完毕");
	CDialog::OnOK();
}