end
endfunction
+
+% Save test bits to a text file in the form of a C array
+
+function test_bits_file(filename)
+ global test_bits;
+ global Ntest_bits;
+
+ f=fopen(filename,"wt");
+ fprintf(f,"/* Generated by test_bits_file() Octave function */\n\n");
+ fprintf(f,"const int test_bits[]={\n");
+ for m=1:Ntest_bits-1
+ fprintf(f," %d,\n",test_bits(m));
+ endfor
+ fprintf(f," %d\n};\n",test_bits(Ntest_bits));
+ fclose(f);
+endfunction
+
+
% Initialise ----------------------------------------------------
global pilot_bit;
% Simulation Parameters --------------------------------------
-frames = 100;
+frames = 25;
EbNo_dB = 7.3;
Foff_hz = 0;
modulation = 'dqpsk';
--- /dev/null
+/*---------------------------------------------------------------------------*\
+
+ FILE........: fdmdv.c
+ AUTHOR......: David Rowe
+ DATE CREATED: April 14 2012
+
+ Functions that implement a Frequency Divison Multiplexed Modem for
+ Digital Voice (FDMDV) over HF channels.
+
+\*---------------------------------------------------------------------------*/
+
+/*
+ Copyright (C) 2012 David Rowe
+
+ All rights reserved.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License version 2.1, as
+ published by the Free Software Foundation. This program 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 General Public
+ License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*---------------------------------------------------------------------------*\
+
+ DEFINES
+
+\*---------------------------------------------------------------------------*/
+
+#define FS 8000 /* sample rate in Hz */
+#define T (1/Fs) /* sample period in seconds */
+#define RS 50 /* symbol rate in Hz */
+#define NC 14 /* number of carriers */
+#define NB 2 /* Bits/symbol for QPSK modulation */
+#define RB (Nc*Rs*Nb) /* bit rate */
+#define M Fs/Rs /* oversampling factor */
+#define NSYM 4 /* number of symbols to filter over */
+#define FSEP 75 /* Separation between carriers (Hz) */
+#define FCENTRE 1200 /* Centre frequency, Nc/2 carriers below this, Nc/2 carriers above (Hz) */
+#define NT 5 /* number of symbols we estimate timing over */
+#define P 4 /* oversample factor used for initial rx symbol filtering */
+#define NFILTER (NSYM*M) /* size of tx/rx filters at sampel rate M */
+#define NFILTERTIMING (M+Nfilter+M) /* filter memory used for resampling after timing estimation */
+
+#define NTEST_BITS (Nc*Nb*4) /* length of test bit sequence */
+
+/*---------------------------------------------------------------------------*\
+
+ STRUCT for States
+
+\*---------------------------------------------------------------------------*/
+
+struct FDMDV {
+ int current_test_bit;
+};
+
+/*---------------------------------------------------------------------------*\
+
+ INCLUDES
+
+\*---------------------------------------------------------------------------*/
+
+#include "fdmdv.h"
+#include "rn.h"
+#include "testbits.h"
+
+/*---------------------------------------------------------------------------*\
+
+ FUNCTIONS
+
+\*---------------------------------------------------------------------------*/
+
+static COMP cneg(COMP a)
+{
+ COMP res;
+
+ res.real = -a.real;
+ res.imag = -a.imag;
+
+ return res;
+}
+
+static COMP cmult(COMP a, COMP b)
+{
+ COMP res;
+
+ res.real = a.real*b.real - a.imag*b.imag;
+ res.imag = a.real*b.imag + a.imag*b.real;
+
+ return res;
+}
+
+static COMP cadd(COMP a, COMP b)
+{
+ COMP res;
+
+ res.real = a.real + b.real;
+ res.imag = a.imag + b.imag;
+
+ return res;
+}
+
+static COMP cdot(COMP a[], COMP b[], int n)
+{
+ COMP res;
+ int i;
+
+ for(i=0; i<n; i++)
+ res = cadd(res, cmult(a,b));
+
+ return res;
+}
+
+static void cbuf_shift_update(COMP buf[], COMP update[], int buflen, int updatelen)
+{
+ int i,j;
+
+ for(i=0; i<buflen-updatelen; i++)
+ buf[i] = buf[updatelen+i];
+ for(j=0; j<updatelen; j++)
+ buf[i] = update[j];
+}
+
+/*---------------------------------------------------------------------------*\
+
+ FUNCTION....: fdmdv_create
+ AUTHOR......: David Rowe
+ DATE CREATED: 16/4/2012
+
+ Create and initialise an instance of the modem. Returns a pointer
+ to the modem states or NULL on failure. One set of states is
+ sufficient for a full duuplex modem.
+
+\*---------------------------------------------------------------------------*/
+
+struct FDMDV *fdmdv_create(void)
+{
+ struct FDMDV *fdmdv;
+
+ fdmdv = (struct FDMDV*)malloc(sizeof(struct FDMDV));
+ if (fdmdv == NULL)
+ return NULL;
+
+ return fdmdv;
+}
+
+/*---------------------------------------------------------------------------*\
+
+ FUNCTION....: fdmdv_destroy
+ AUTHOR......: David Rowe
+ DATE CREATED: 16/4/2012
+
+ Destroy an instance of the modem.
+
+\*---------------------------------------------------------------------------*/
+
+void codec2_destroy(struct FDMDV *fdmdv)
+{
+ assert(fdmdv != NULL);
+ free(fdmdv);
+}
+
+/*---------------------------------------------------------------------------*\
+
+ FUNCTION....: bits_to_dqpsk_symbols()
+ AUTHOR......: David Rowe
+ DATE CREATED: 16/4/2012
+
+ Generate Nc+1 QPSK symbols from vector of (1,Nc*Nb) input tx_bits.
+ The Nc+1 symbol is the +1 -1 +1 .... BPSK sync carrier.
+
+\*---------------------------------------------------------------------------*/
+
+void bits_to_dqpsk_symbols(COMP tx_symbols[], COMP prev_tx_symbols[], int tx_bits[], int *pilot_bit)
+{
+ int c, msb, lsb;
+ COMP j = {0.0,1.0};
+ COMP minusj = {0.0,-1.0};
+
+ /* map tx_bits to to Nc DQPSK symbols */
+
+ for(c=0; c<NC; c++) {
+ msb = tx_bits[2*c];
+ lsb = tx_bits[2*c+1];
+ if ((msb == 0) && (lsb == 0))
+ tx_symbols[c] = prev_tx_symbols[c];
+ if ((msb == 0) && (lsb == 1))
+ tx_symbols[c] = cmult(j, prev_tx_symbols[c]);
+ if ((msb == 1) && (lsb == 0))
+ tx_symbols[c] = cneg(prev_tx_symbols[c]);
+ if ((msb == 1) && (lsb == 1))
+ tx_symbols[c] = cmult(cneg(j),prev_tx_symbols[c]);
+ }
+
+ /* +1 -1 +1 -1 BPSK sync carrier, once filtered becomes (roughly)
+ two spectral lines at +/- Rs/2 */
+
+ if (*pilot_bit)
+ tx_symbols[Nc] = cneg(prev_tx_symbols[Nc]);
+ else
+ tx_symbols[Nc] = prev_tx_symbols[Nc];
+
+ if (*pilot_bit)
+ *pilot_bit = 0;
+ else
+ *pilot_bit = 1;
+}
+
--- /dev/null
+/*---------------------------------------------------------------------------*\
+
+ FILE........: fdmdv.h
+ AUTHOR......: David Rowe
+ DATE CREATED: April 14 2012
+
+ Header file for a Frequency Divison Multiplexed Modem for Digital
+ Voice (FDMDV) over HF channels.
+
+\*---------------------------------------------------------------------------*/
+
+/*
+ Copyright (C) 2012 David Rowe
+
+ All rights reserved.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License version 2.1, as
+ published by the Free Software Foundation. This program 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 General Public
+ License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __FDMDV__
+#define __FDMDV__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct FDMDV;
+
+struct FDMDV *fdmdv_create(void);
+void fdmdv_destroy(struct FDMDV *fdmdv_state);
+
+void fdmdv_mod(struct FDMDV *fdmdv_state, int tx_bits[], COMP tx_fdm[]);
+void fdmdv_demod(struct FDMDV *fdmdv_state, int tx_bits[], float rx_fdm[], int *nin);
+
+void fdmdv_get_test_bits(struct FDMDV *fdmdv_state, int tx_bits[]);
+void fdmdv_put_test_bits(struct FDMDV *fdmdv_state, int rx_bits[]);
+
+float fdmdv_get_snr(struct FDMDV *fdmdv_state);
+void fdmdv_get_waterfall_line(struct FDMDV *fdmdv_state, float magnitudes[], int *magnitude_points);
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
--- /dev/null
+/*---------------------------------------------------------------------------*\
+
+ FILE........: fdmdv_internal.h
+ AUTHOR......: David Rowe
+ DATE CREATED: April 16 2012
+
+ Header file for FDMDV internal functions, exposed via this header
+ file for testing.
+
+\*---------------------------------------------------------------------------*/
+
+/*
+ Copyright (C) 2012 David Rowe
+
+ All rights reserved.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License version 2.1, as
+ published by the Free Software Foundation. This program 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 General Public
+ License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __FDMDV_INTERNAL__
+#define __FDMDV_INTERNAL__
+
+#include "comp.h"
+
+void bits_to_dqpsk_symbols(COMP tx_symbols[], COMP prev_tx_symbols[], int tx_bits[], int *pilot_bit);
+
+#endif
--- /dev/null
+/*---------------------------------------------------------------------------*\
+
+ FILE........: rn.h
+ AUTHOR......: David Rowe
+ DATE CREATED: April 14 2012
+
+ Root raised cosine (Root Nyquist) filter for FDMDV modem.
+
+\*---------------------------------------------------------------------------*/
+
+/*
+ Copyright (C) 2012 David Rowe
+
+ All rights reserved.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License version 2.1, as
+ published by the Free Software Foundation. This program 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 General Public
+ License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __RN__
+#define RN
+
+float gt_alpha5_root[] = {
+ 3.15800872e-04,
+ 2.79727588e-04,
+ 2.69639516e-04,
+ 2.64546231e-04,
+ 2.61383099e-04,
+ 2.59190148e-04,
+ 2.57492732e-04,
+ 2.56064964e-04,
+ 2.54747225e-04,
+ 2.53454837e-04,
+ 2.52113149e-04,
+ 2.50682027e-04,
+ 2.49119413e-04,
+ 2.47403391e-04,
+ 2.45507283e-04,
+ 2.43417952e-04,
+ 2.41117044e-04,
+ 2.38596156e-04,
+ 2.35841900e-04,
+ 2.32848649e-04,
+ 2.29606198e-04,
+ 2.26110660e-04,
+ 2.22353999e-04,
+ 2.18333484e-04,
+ 2.14042642e-04,
+ 2.09479573e-04,
+ 2.04639000e-04,
+ 1.99519666e-04,
+ 1.94117271e-04,
+ 1.88431116e-04,
+ 1.82457746e-04,
+ 1.76196986e-04,
+ 1.69646155e-04,
+ 1.62805599e-04,
+ 1.55673382e-04,
+ 1.48250378e-04,
+ 1.40535377e-04,
+ 1.32529803e-04,
+ 1.24233156e-04,
+ 1.15647422e-04,
+ 1.06772798e-04,
+ 9.76118372e-05,
+ 8.81654134e-05,
+ 7.84366425e-05,
+ 6.84270511e-05,
+ 5.81403041e-05,
+ 4.75785517e-05,
+ 3.67459901e-05,
+ 2.56453615e-05,
+ 1.42813733e-05,
+ 2.65732925e-06,
+ -9.22157136e-06,
+ -2.13514908e-05,
+ -3.37267535e-05,
+ -4.63430099e-05,
+ -5.91941194e-05,
+ -7.22752369e-05,
+ -8.55797626e-05,
+ -9.91023660e-05,
+ -1.12835989e-04,
+ -1.26774821e-04,
+ -1.40911341e-04,
+ -1.55239261e-04,
+ -1.69750592e-04,
+ -1.84438565e-04,
+ -1.99294715e-04,
+ -2.14311789e-04,
+ -2.29480839e-04,
+ -2.44794128e-04,
+ -2.60242212e-04,
+ -2.75816871e-04,
+ -2.91508163e-04,
+ -3.07307383e-04,
+ -3.23204088e-04,
+ -3.39189096e-04,
+ -3.55251466e-04,
+ -3.71381551e-04,
+ -3.87567920e-04,
+ -4.03800479e-04,
+ -4.20067325e-04,
+ -4.36357946e-04,
+ -4.52659989e-04,
+ -4.68962566e-04,
+ -4.85252904e-04,
+ -5.01519786e-04,
+ -5.17750064e-04,
+ -5.33932244e-04,
+ -5.50052851e-04,
+ -5.66100178e-04,
+ -5.82060470e-04,
+ -5.97921867e-04,
+ -6.13670384e-04,
+ -6.29294070e-04,
+ -6.44778745e-04,
+ -6.60112423e-04,
+ -6.75280754e-04,
+ -6.90271758e-04,
+ -7.05070925e-04,
+ -7.19666310e-04,
+ -7.34043232e-04,
+ -7.48189797e-04,
+ -7.62091120e-04,
+ -7.75735364e-04,
+ -7.89107389e-04,
+ -8.02195418e-04,
+ -8.14983993e-04,
+ -8.27461403e-04,
+ -8.39611795e-04,
+ -8.51423552e-04,
+ -8.62880344e-04,
+ -8.73970705e-04,
+ -8.84677743e-04,
+ -8.94990252e-04,
+ -9.04890675e-04,
+ -9.14368254e-04,
+ -9.23404633e-04,
+ -9.31989791e-04,
+ -9.40104365e-04,
+ -9.47739538e-04,
+ -9.54874543e-04,
+ -9.61502551e-04,
+ -9.67600584e-04,
+ -9.73165279e-04,
+ -9.78169541e-04,
+ -9.82616937e-04,
+ -9.86470692e-04,
+ -9.89753203e-04,
+ -9.92390009e-04,
+ -9.94563745e-04,
+ -9.96356035e-04,
+ -9.97190272e-04,
+ -9.97385906e-04,
+ -9.96890492e-04,
+ -9.95735721e-04,
+ -9.93890788e-04,
+ -9.91364072e-04,
+ -9.88132863e-04,
+ -9.84198040e-04,
+ -9.79540856e-04,
+ -9.74158756e-04,
+ -9.68035333e-04,
+ -9.61166225e-04,
+ -9.53536634e-04,
+ -9.45141227e-04,
+ -9.35966472e-04,
+ -9.26006585e-04,
+ -9.15249147e-04,
+ -9.03688283e-04,
+ -8.91312634e-04,
+ -8.78116505e-04,
+ -8.64089591e-04,
+ -8.49226579e-04,
+ -8.33518227e-04,
+ -8.16959761e-04,
+ -7.99543007e-04,
+ -7.81263837e-04,
+ -7.62115141e-04,
+ -7.42093505e-04,
+ -7.21192864e-04,
+ -6.99410552e-04,
+ -6.76741515e-04,
+ -6.53183844e-04,
+ -6.28733457e-04,
+ -6.03389190e-04,
+ -5.77147887e-04,
+ -5.50009115e-04,
+ -5.21970595e-04,
+ -4.93032610e-04,
+ -4.63193720e-04,
+ -4.32454909e-04,
+ -4.00815549e-04,
+ -3.68277318e-04,
+ -3.34840383e-04,
+ -3.00507122e-04,
+ -2.65278490e-04,
+ -2.29157578e-04,
+ -1.92146130e-04,
+ -1.54247973e-04,
+ -1.15465652e-04,
+ -7.58037481e-05,
+ -3.52656246e-05,
+ 6.14335925e-06,
+ 4.84190059e-05,
+ 9.15551544e-05,
+ 1.35546760e-04,
+ 1.80386840e-04,
+ 2.26069491e-04,
+ 2.72586893e-04,
+ 3.19932279e-04,
+ 3.68096980e-04,
+ 4.17073365e-04,
+ 4.66851910e-04,
+ 5.17424122e-04,
+ 5.68779624e-04,
+ 6.20909069e-04,
+ 6.73801232e-04,
+ 7.27445923e-04,
+ 7.81831078e-04,
+ 8.36945686e-04,
+ 8.92776854e-04,
+ 9.49312772e-04,
+ 1.00653974e-03,
+ 1.06444516e-03,
+ 1.12301455e-03,
+ 1.18223458e-03,
+ 1.24208997e-03,
+ 1.30256668e-03,
+ 1.36364870e-03,
+ 1.42532128e-03,
+ 1.48756769e-03,
+ 1.55037250e-03,
+ 1.61371827e-03,
+ 1.67758894e-03,
+ 1.74196634e-03,
+ 1.80683380e-03,
+ 1.87217245e-03,
+ 1.93796500e-03,
+ 2.00419187e-03,
+ 2.07083517e-03,
+ 2.13787462e-03,
+ 2.20529174e-03,
+ 2.27306554e-03,
+ 2.34117698e-03,
+ 2.40960436e-03,
+ 2.47832809e-03,
+ 2.54732581e-03,
+ 2.61657744e-03,
+ 2.68605994e-03,
+ 2.75575284e-03,
+ 2.82563247e-03,
+ 2.89567806e-03,
+ 2.96586537e-03,
+ 3.03617345e-03,
+ 3.10657756e-03,
+ 3.17705672e-03,
+ 3.24758578e-03,
+ 3.31814387e-03,
+ 3.38870549e-03,
+ 3.45925010e-03,
+ 3.52975187e-03,
+ 3.60019081e-03,
+ 3.67054075e-03,
+ 3.74078249e-03,
+ 3.81088946e-03,
+ 3.88084361e-03,
+ 3.95061774e-03,
+ 4.02019545e-03,
+ 4.08954860e-03,
+ 4.15866330e-03,
+ 4.22750990e-03,
+ 4.29607892e-03,
+ 4.36433818e-03,
+ 4.43228800e-03,
+ 4.49989238e-03,
+ 4.56718497e-03,
+ 4.63414034e-03,
+ 4.70132291e-03,
+ 4.76692608e-03,
+ 4.83218137e-03,
+ 4.89703501e-03,
+ 4.96136981e-03,
+ 5.02518690e-03,
+ 5.08843431e-03,
+ 5.15110299e-03,
+ 5.21315463e-03,
+ 5.27457565e-03,
+ 5.33533355e-03,
+ 5.39541259e-03,
+ 5.45478362e-03,
+ 5.51342992e-03,
+ 5.57132465e-03,
+ 5.62845070e-03,
+ 5.68478300e-03,
+ 5.74030441e-03,
+ 5.79499130e-03,
+ 5.84882670e-03,
+ 5.90178821e-03,
+ 5.95385913e-03,
+ 6.00501811e-03,
+ 6.05524878e-03,
+ 6.10453076e-03,
+ 6.15284804e-03,
+ 6.20018109e-03,
+ 6.24651431e-03,
+ 6.29182896e-03,
+ 6.33610990e-03,
+ 6.37933917e-03,
+ 6.42150209e-03,
+ 6.46258151e-03,
+ 6.50256328e-03,
+ 6.54143105e-03,
+ 6.57917131e-03,
+ 6.61576852e-03,
+ 6.65120988e-03,
+ 6.68548075e-03,
+ 6.71856907e-03,
+ 6.75046115e-03,
+ 6.78114576e-03,
+ 6.81061020e-03,
+ 6.83884413e-03,
+ 6.86583586e-03,
+ 6.89157602e-03,
+ 6.91605393e-03,
+ 6.93926120e-03,
+ 6.96118822e-03,
+ 6.98182760e-03,
+ 7.00117076e-03,
+ 7.01921133e-03,
+ 7.03594180e-03,
+ 7.05135678e-03,
+ 7.06544981e-03,
+ 7.07821650e-03,
+ 7.08965141e-03,
+ 7.09975114e-03,
+ 7.10851128e-03,
+ 7.11592939e-03,
+ 7.12200207e-03,
+ 7.12672785e-03,
+ 7.13010431e-03,
+ 7.13213096e-03,
+ 7.13280635e-03,
+ 7.13213096e-03,
+ 7.13010431e-03,
+ 7.12672785e-03,
+ 7.12200207e-03,
+ 7.11592939e-03,
+ 7.10851128e-03,
+ 7.09975114e-03,
+ 7.08965141e-03,
+ 7.07821650e-03,
+ 7.06544981e-03,
+ 7.05135678e-03,
+ 7.03594180e-03,
+ 7.01921133e-03,
+ 7.00117076e-03,
+ 6.98182760e-03,
+ 6.96118822e-03,
+ 6.93926120e-03,
+ 6.91605393e-03,
+ 6.89157602e-03,
+ 6.86583586e-03,
+ 6.83884413e-03,
+ 6.81061020e-03,
+ 6.78114576e-03,
+ 6.75046115e-03,
+ 6.71856907e-03,
+ 6.68548075e-03,
+ 6.65120988e-03,
+ 6.61576852e-03,
+ 6.57917131e-03,
+ 6.54143105e-03,
+ 6.50256328e-03,
+ 6.46258151e-03,
+ 6.42150209e-03,
+ 6.37933917e-03,
+ 6.33610990e-03,
+ 6.29182896e-03,
+ 6.24651431e-03,
+ 6.20018109e-03,
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+ -2.60242212e-04,
+ -2.44794128e-04,
+ -2.29480839e-04,
+ -2.14311789e-04,
+ -1.99294715e-04,
+ -1.84438565e-04,
+ -1.69750592e-04,
+ -1.55239261e-04,
+ -1.40911341e-04,
+ -1.26774821e-04,
+ -1.12835989e-04,
+ -9.91023660e-05,
+ -8.55797626e-05,
+ -7.22752369e-05,
+ -5.91941194e-05,
+ -4.63430099e-05,
+ -3.37267535e-05,
+ -2.13514908e-05,
+ -9.22157136e-06,
+ 2.65732925e-06,
+ 1.42813733e-05,
+ 2.56453615e-05,
+ 3.67459901e-05,
+ 4.75785517e-05,
+ 5.81403041e-05,
+ 6.84270511e-05,
+ 7.84366425e-05,
+ 8.81654134e-05,
+ 9.76118372e-05,
+ 1.06772798e-04,
+ 1.15647422e-04,
+ 1.24233156e-04,
+ 1.32529803e-04,
+ 1.40535377e-04,
+ 1.48250378e-04,
+ 1.55673382e-04,
+ 1.62805599e-04,
+ 1.69646155e-04,
+ 1.76196986e-04,
+ 1.82457746e-04,
+ 1.88431116e-04,
+ 1.94117271e-04,
+ 1.99519666e-04,
+ 2.04639000e-04,
+ 2.09479573e-04,
+ 2.14042642e-04,
+ 2.18333484e-04,
+ 2.22353999e-04,
+ 2.26110660e-04,
+ 2.29606198e-04,
+ 2.32848649e-04,
+ 2.35841900e-04,
+ 2.38596156e-04,
+ 2.41117044e-04,
+ 2.43417952e-04,
+ 2.45507283e-04,
+ 2.47403391e-04,
+ 2.49119413e-04,
+ 2.50682027e-04,
+ 2.52113149e-04,
+ 2.53454837e-04,
+ 2.54747225e-04,
+ 2.56064964e-04,
+ 2.57492732e-04,
+ 2.59190148e-04,
+ 2.61383099e-04,
+ 2.64546231e-04,
+ 2.69639516e-04,
+ 2.79727588e-04
+};
+
+#endif
--- /dev/null
+/* Generated by test_bits_file() Octave function */
+
+const int test_bits[]={
+ 0,
+ 1,
+ 1,
+ 0,
+ 0,
+ 0,
+ 1,
+ 1,
+ 0,
+ 0,
+ 1,
+ 0,
+ 1,
+ 0,
+ 0,
+ 1,
+ 0,
+ 1,
+ 1,
+ 0,
+ 0,
+ 1,
+ 1,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 1,
+ 1,
+ 1,
+ 0,
+ 1,
+ 1,
+ 0,
+ 0,
+ 1,
+ 1,
+ 1,
+ 0,
+ 1,
+ 1,
+ 0,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 0,
+ 0,
+ 1,
+ 0,
+ 0,
+ 1,
+ 1,
+ 1,
+ 0,
+ 0,
+ 1,
+ 1,
+ 1,
+ 0,
+ 0,
+ 0,
+ 0,
+ 1,
+ 1,
+ 1,
+ 0,
+ 0,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 0,
+ 1,
+ 1,
+ 1,
+ 0,
+ 0,
+ 1,
+ 1,
+ 0,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 0,
+ 0,
+ 1,
+ 1,
+ 0,
+ 1,
+ 0,
+ 0,
+ 0,
+ 1,
+ 1,
+ 1,
+ 0
+};
--- /dev/null
+/*---------------------------------------------------------------------------*\
+
+ FILE........: tfdmdv.c
+ AUTHOR......: David Rowe
+ DATE CREATED: April 16 2012
+
+ Unit tests for FDMDV modem. Combination of unit tests perfromed
+ entirely by this program and comparisons with reference Octave
+ version of the modem that require running an Octave script
+ ../octave/tfdmdv.m.
+
+\*---------------------------------------------------------------------------*/
+
+
+/*
+ Copyright (C) 2009 David Rowe
+
+ All rights reserved.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License version 2, as
+ published by the Free Software Foundation. This program 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 General Public
+ License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "fdmdv.h"
+
+int main(int argc, char *argv[])
+{
+
+ /* save to text file for comparison to Octave version */
+
+ return 0;
+}
projects / freetel-svn-tracking.git / commitdiff