class Blackman : public Window

Generalized Blackman window class.

Inheritance:

Public Methods

	Blackman (void) Default constructor
explicit	Blackman (int len, double Beta=0.08) Full constructor.
explicit	Blackman (const Blackman& x) Copy constructor.
	~Blackman () Destructor.
Blackman*	clone (void) const Clone the window.
double	WinFc (double x) Window function

Inherited from Window:

Public Fields

typedef double element_type

Public Methods

Window& operator= (const Window& w)

TSeries apply(const TSeries& ts)

void dataCheck(const TSeries& ts) const

bool isDataValid(const TSeries& ts) const

int getLength(void) const

double getRMS(void)

void setWindow(int N)

virtual bool isPiSymmetric(void)

Time getStartTime(void) const

Time getCurrentTime(void) const

bool inUse(void) const

void reset(void)

FilterIO& apply(const FilterIO& in)

Inherited from Pipe:

Public Methods

virtual TSeries operator)(const TSeries& in)

FilterIO& operator)(const FilterIO& in)

KeyChain& getInputKeys(void) const

KeyChain& getOutputKeys(void) const

virtual Interval getTimeDelay(void) const

virtual bool Xfer(fComplex& coeff, double f) const

virtual bool Xfer(fComplex* tf, const float* freqs, int points) const

virtual bool Xfer(FSeries& Fs, float Fmin = 0.0, float Fmax = 1000.0, float dF = 1.0) const

Protected Methods

virtual bool xfer(fComplex& coeff, double f) const

Inherited from FilterBase:

Public Methods

virtual bool rootGetStartTime(Time& t) const throw()

virtual bool rootGetCurrentTime(Time& t) const throw()

Blackman(void)

Default constructor. Use the true Blackman window parameter, beta=0.08.

explicit Blackman(int len, double Beta=0.08)

Construct a generalized Blackman window of length 'len'. If beta isn't specified it defalts to the true Blackman window.

Parameters:

len - Number of samples in the TSeries to be windowed.
Beta - coeffcient in window function.

explicit Blackman(const Blackman& x)

Construct a generalized Blackman window of length 'len'. If beta isn't specified it defalts to the true hamming window.

Parameters:

x - Blackman window to be copied.

~Blackman()

Delete the object.

Blackman* clone(void) const

Create an identical copy of the windo and return a pointer.

Returns:

Pointer to the cloned window.

double WinFc(double x)

Window function. Return the function value at Xj=2*pi*j/(N-1), where j is the sample number and N is the series length.

alphabetic index hierarchy of classes

Please send questions and comments to zweizig_j@ligo.caltech.edu

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