wdfUnterminatedCap Class Reference

#include <rt-wdf.h>

Inheritance diagram for wdfUnterminatedCap:

Public Member Functions
	wdfUnterminatedCap (double C, double T)
virtual void	calculateDownB (vec *ascendingWaves, vec *descendingWaves, size_t *portIndex)
void	setPortResistance (double Rp)
virtual std::string	getType () const
int	getNumPorts ()

Public Attributes
double	C

Protected Attributes
double	T
double	prevA
double	prevB
double	reflectionCoeff
double	Rp
size_t	numPorts

Constructor & Destructor Documentation

wdfUnterminatedCap()

wdfUnterminatedCap::wdfUnterminatedCap	(	double	C,
		double	T
	)

Unadapted capacitor model class.

Creates an unadapted capacitor with capacitance C.

Parameters

C	physical capacitance of the component in Farads
T	sample period T = 1/fs in seconds

Member Function Documentation

calculateDownB()

void wdfUnterminatedCap::calculateDownB ( vec *  ascendingWaves, vec *  descendingWaves, size_t *  portIndex  )

virtual

Calculates the reflection of the incoming, ascending wave.

This is composed of the recent ascending wave component and former components on this port.

Parameters

*ascendingWaves	Pointer to a vector of ascending waves
*descendingWaves	Pointer to a vector to store descending waves
*portIndex	Pointer to a counter with the port index to use in the vectors of ascending and descending waves. Needs to be incremented by numPorts in the node's implementation.

Implements wdfRootNode.

getNumPorts()

int wdfRootNode::getNumPorts ( )

inherited

Return the number of ports of that root node.

Returns

the value of the numPorts member.

getType()

std::string wdfUnterminatedCap::getType ( ) const

virtual

Returns a String describing the type of this root node.

Returns

a String describing the type of this leaf as "C (unadapted)"

Implements wdfRootNode.

setPortResistance()

void wdfUnterminatedCap::setPortResistance ( double  Rp )

virtual

Sets the nodes port resistance according to the port it is connected to.

TODO: In the case of the unadapted capacitor, it also pre-calculates the reflection coefficient reflectionCoeff, which depends on the port resistance too.

Parameters

Rp	port resistance in Ohm

Reimplemented from wdfRootNode.

Member Data Documentation

C

double wdfUnterminatedCap::C

Capacitance in Farad

numPorts

size_t wdfRootNode::numPorts

protectedinherited

The number of ports on a root node element.

prevA

double wdfUnterminatedCap::prevA

protected

Place to store the previous incident wave component.

prevB

double wdfUnterminatedCap::prevB

protected

Place to store the previous reflected wave component.

reflectionCoeff

double wdfUnterminatedCap::reflectionCoeff

protected

Reflection coefficient, depending on the inherited port resistance, component value and sample rate.

This coefficient is pre-calculated in the setPortResistance function.

Rp

double wdfRootNode::Rp

protectedinherited

The WDF port resistance in Ohm.

T

double wdfUnterminatedCap::T

protected

Sample period in seconds

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The documentation for this class was generated from the following files:

• Libs/rt-wdf/rt-wdf.h
• Libs/rt-wdf/rt-wdf.cpp