mdifftdoc.h

对简单的一维信号进行FFT核IFFT处理

// mdiFFTDoc.h : interface of the CMdiFFTDoc class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_MDIFFTDOC_H__DD5312CF_6BC6_4B96_AF0D_7C198C8ABF49__INCLUDED_)
#define AFX_MDIFFTDOC_H__DD5312CF_6BC6_4B96_AF0D_7C198C8ABF49__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

/*******************************************************************/

#define MaxData 256			//序列最大长度
#define PI 3.1415926536

//***这是自定义的Complex类
 
typedef enum{Sin,Traingle,Squar,Random}MySourceType;
class Complex{
public:
	double Re,Im;
	Complex(double re,double im){Re=re;Im=im;} ;
	Complex(){Re=(Im=0);};
	Complex operator+(Complex a){return Complex(Re+a.Re,Im+a.Im);}
	Complex operator-(Complex a){return Complex(Re-a.Re,Im-a.Im);}
	Complex operator*(Complex a){return Complex(Re*a.Re-Im*a.Im,Im*a.Re+Re*a.Im);}
	double abs(){return Re*Re+Im*Im;}


};
#define DataType Complex;

//*******************************************************************
class CMdiFFTDoc : public CDocument
{
private:
protected: // create from serialization only
	CMdiFFTDoc();
	DECLARE_DYNCREATE(CMdiFFTDoc)
	void CalcValues();

// Attributes
public:
	Complex source[MaxData],afterfft[MaxData],afterifft[MaxData];
	//complex<double> source,afterfft,afterifft;

// Operations
public:
	void Setsource(MySourceType type);
//	DataType Getsource(int i);
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CMdiFFTDoc)
	public:
	virtual BOOL OnNewDocument();
	virtual void Serialize(CArchive& ar);
	//}}AFX_VIRTUAL

// Implementation
public:
	long double m_amax;		//频谱中最大的模
	unsigned short m_power;	//实际长度的指数（长度为2^m_power）
	virtual ~CMdiFFTDoc();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CMdiFFTDoc)
	afx_msg void OnRadio5();
	afx_msg void OnRadio6();
	afx_msg void OnRadio7();
	afx_msg void OnRadio8();
	afx_msg void OnDeltaposSpin1(NMHDR* pNMHDR, LRESULT* pResult);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

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

#endif // !defined(AFX_MDIFFTDOC_H__DD5312CF_6BC6_4B96_AF0D_7C198C8ABF49__INCLUDED_)