org.joone.engine
Class DelaySynapse

java.lang.Object
  org.joone.engine.Synapse
      org.joone.engine.DelaySynapse

All Implemented Interfaces:

java.io.Serializable, InputPatternListener, Learnable, LearnableSynapse, NeuralElement, OutputPatternListener, Inspectable

public class DelaySynapse
extends Synapse

This Synapse connects the N input neurons with the M output neurons using a matrix of FIRFilter elements of size NxM. A FIRFilter connection is a delayed connection that permits to implement a temporal backprop alg. functionally equivalent to the TDNN (Time Delay Neural Network), but in a more efficient and elegant manner.

Author:

P. Marrone

See Also:

FIRFilter, Serialized Form

Field Summary

protected FIRFilter[][]

fir

Fields inherited from class org.joone.engine.Synapse

array, b_pattern, bitems, bouts, count, enabled, fwdLock, inps, items, learnable, m_batch, m_pattern, myLearner, outs, revLock

Constructor Summary

DelaySynapse()

Method Summary

void	addNoise(double amplitude) Adds a uniformly distributed noise to the weights of the synapse
protected void	backward(double[] pattern) Funzione di TRAIN dell'elemento.
java.util.TreeSet	check() Base for check messages.
protected void	forward(double[] pattern) Recall function
int	getTaps() Inserire qui la descrizione del metodo.
protected void	setArrays(int rows, int cols) setArrays method comment.
protected void	setDimensions(int rows, int cols) Dimensiona l'elemento
void	setTaps(int newTaps) Inserire qui la descrizione del metodo.

Methods inherited from class org.joone.engine.Synapse

canCountSteps, fwdGet, fwdPattern_consume, fwdPattern_produce, fwdPut, getCount, getFwdLock, getIgnoreBefore, getInputDimension, getLearner, getLearningRate, getMomentum, getMonitor, getName, getOutputDimension, getRevLock, getSynapseNameSafely, getWeights, init, initLearner, InspectableTitle, Inspections, isEnabled, isInputFull, isLoopBack, isOutputFull, randomize, readResolve, reset, revGet, revPattern_consume, revPattern_produce, revPut, setEnabled, setIgnoreBefore, setInputDimension, setInputFull, setLearningRate, setLoopBack, setMomentum, setMonitor, setName, setOutputDimension, setOutputFull, setWeights, warnLogger, warnLogger

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

fir

protected FIRFilter[][] fir

Constructor Detail

DelaySynapse

public DelaySynapse()

Method Detail

addNoise

public void addNoise(double amplitude)

Description copied from class: Synapse

Adds a uniformly distributed noise to the weights of the synapse

Overrides:

addNoise in class Synapse

Parameters:

amplitude - Amplitude of the noise: the value is centered around the zero. e.g.: an amplitude = 0.2 means a noise range from -0.2 to 0.2

backward

protected void backward(double[] pattern)

Description copied from class: Synapse

Funzione di TRAIN dell'elemento.

Specified by:

backward in class Synapse

Parameters:

pattern - double[] - pattern di input sul quale applicare la funzione di trasferimento

forward

protected void forward(double[] pattern)

Description copied from class: Synapse

Recall function

Specified by:

forward in class Synapse

Parameters:

pattern - double[] - input pattern. THIS PATTERN CANNOT BE CHANGED

getTaps

public int getTaps()

Inserire qui la descrizione del metodo. Data di creazione: (10/04/00 23.02.20)

Returns:

int

setArrays

protected void setArrays(int rows,
                         int cols)

setArrays method comment.

Specified by:

setArrays in class Synapse

setDimensions

protected void setDimensions(int rows,
                             int cols)

Description copied from class: Synapse

Dimensiona l'elemento

Specified by:

setDimensions in class Synapse

setTaps

public void setTaps(int newTaps)

Inserire qui la descrizione del metodo. Data di creazione: (10/04/00 23.02.20)

Parameters:

newTaps - int

check

public java.util.TreeSet check()

Description copied from class: Synapse

Base for check messages. Subclasses should call this method from thier own check method.

Specified by:

check in interface NeuralElement

Overrides:

check in class Synapse

Returns:

validation errors.

See Also:

InputPaternListener, OutputPaternListener