fftmethoddlg.h

嵌入式系统中FFT算法研究,看看对要使用VC++进行数字信号处理的朋友还是很实用的

// FftMethodDlg.h : header file
//

#if !defined(AFX_FFTMETHODDLG_H__E696040A_89BB_4110_85B9_22C26AAF6195__INCLUDED_)
#define AFX_FFTMETHODDLG_H__E696040A_89BB_4110_85B9_22C26AAF6195__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include <math.h>
#include <string.h>
/////////////////////////////////////////////////////////////////////////////
// CFftMethodDlg dialog

class CFftMethodDlg : public CDialog
{
// Construction
public:
	int m_scoordvisual;
	int m_fftcoordvisual;
	int m_signalvisual;
	int m_fftvisual;
	int m_f;
	int m_n;
	double PI2;
	double *Rcf;
	double *Icf;
	double *Xr;
	double *Xi;

	void paint();
	int ReversePow(int n);//求n的反2幂
	void CreateSignal();
	double CalCulateSignal(double t);
	void FftTransfer();
	void ChangeOrder();
	CFftMethodDlg(CWnd* pParent = NULL);	// standard constructor
    ~CFftMethodDlg();
// Dialog Data
	//{{AFX_DATA(CFftMethodDlg)
	enum { IDD = IDD_FFTMETHOD_DIALOG };
	CString	m_fre;
	CString	m_number;
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CFftMethodDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CFftMethodDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnButton1();
	afx_msg void OnButton2();
	afx_msg void OnButton4();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_FFTMETHODDLG_H__E696040A_89BB_4110_85B9_22C26AAF6195__INCLUDED_)