blindadapt

 

   	int i;
   	int j, k;
        float register1[2];
        float register2[2];
        float output[2];
        float lambda11=0.0, lambda21=0.0, lambda22=0.0, lambda12=0.0;
        float xtemp=0.0, ytemp=0.0;
	FILE *fopen();
	FILE *imp_F;
	FILE *imp;
	FILE *imp_W;

 

	/*
	 * Allocate memory and return pointers for tapped delay line x_P and
	 * array containing impulse response samples, h_P.
	 *
	 */
	if( (x_P = (float**)calloc(2,sizeof(float*))) == NULL ||
	    (w_P = (float**)calloc(2,sizeof(float*))) == NULL ) {
	   	fprintf(stderr,"convolve: can't allocate work space\n");
		return(4);
	}
        for(i=0; i<2; i++)
	if( (x_P[i] = (float*)calloc(N,sizeof(float))) == NULL ||
	    (w_P[i] = (float*)calloc(N,sizeof(float))) == NULL ) {
	   	fprintf(stderr,"convolve: can't allocate work space\n");
		return(4);
	}
	/*
	 * Read in the impulse response samples into the array
	 * and initialize the tapped delay line to zero.
         * According to this for loop the impulse data is assumed to be
         * in the order of first real then imaginary value for each tap
         *
         */
	tmpvar = var;
	tmpmu = mu;
	mucounter = 0;
	varcounter = 0;
	    w_P[0][0] = init;
      for(j=1;j
    

 




	while(IT_IN(0) && IT_IN(1)){
		/*
		 * Shift input samples into tapped delay line
		 */  
		mucounter++ ; 
		varcounter++ ; 
                for( i=0 ; i<2 ; i++)
		register2[i] = INF(i,0);

		for(i=0; i
    

 

	free(x_P); free(w_P);

/*  Capsim (r) Text Mode Kernel (TMK) Star Library (Blocks)
    Copyright (C) 1989-2002  XCAD Corporation 

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    http://capsimtmk.sourceforge.net
    XCAD Corporation
    Raleigh, North Carolina */

 

/* blindadapt.s */
/***********************************************************************
                             blindadapt()
************************************************************************

blindadapt


Blind adaptive equalization


Date:  July 9, 1990 
Programmer: Karaoguz, Jeyhan 

*/