attenuation_sin.cpp

这是我学习数字信号处理时编写的程序！功能就是显示一些常用的函数的图形！并可以做FFT计算！

// Attenuation_Sin.cpp : implementation file
//

#include "stdafx.h"
#include "Zhangjg_dsp.h"
#include "Attenuation_Sin.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAttenuation_Sin dialog


CAttenuation_Sin::CAttenuation_Sin(CWnd* pParent /*=NULL*/)
	: CDialog(CAttenuation_Sin::IDD, pParent)
{
	//{{AFX_DATA_INIT(CAttenuation_Sin)
	m_a = 0.0;
	m_f = 0.0;
//	m_N = 0;
	m_n = 0;
	//}}AFX_DATA_INIT
}


void CAttenuation_Sin::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAttenuation_Sin)
	DDX_Text(pDX, IDC_EDIT1, m_a);
	DDX_Text(pDX, IDC_EDIT2, m_f);
//	DDX_Text(pDX, IDC_EDIT3, m_N);
	DDX_Text(pDX, IDC_EDIT4, m_n);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CAttenuation_Sin, CDialog)
	//{{AFX_MSG_MAP(CAttenuation_Sin)
	ON_BN_CLICKED(IDC_RADIO1, OnRadio1)
	ON_BN_CLICKED(IDC_RADIO2, OnRadio2)
	ON_BN_CLICKED(IDC_RADIO3, OnRadio3)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAttenuation_Sin message handlers

void CAttenuation_Sin::OnRadio1() 
{
	flag=1;
	
}

void CAttenuation_Sin::OnRadio2() 
{
	flag=3;
	
}

void CAttenuation_Sin::OnRadio3() 
{
	flag=2;
	
}