class Welch : public Window

Welch window class

Inheritance:

Public Methods

	Welch (void) Default constructor.
explicit	Welch (int N) Data Constructor.
	~Welch (void) Destructor.
Welch*	clone (void) const clone the window.
double	WinFc (double arg) 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()

Welch(void)

Construct a Welch window.

explicit Welch(int N)

Construct a Welch window object. Initialize it for sequences of length N.

Parameters:

N - Length of time series to be windowed.

~Welch(void)

Delete the window and release any allocated storage.

Welch* clone(void) const

Create an identical Welch window.

Returns:

Pointer to a new Welch window.

double WinFc(double arg)

Window function. Return the window function at x, where x = 2*pi*i/(N-1). The Welch window is 1 - (x/pi-1)^2.

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

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