drowe67 [Wed, 21 Jun 2017 00:04:45 +0000 (00:04 +0000)]
updated TODO
git-svn-id: https://svn.code.sf.net/p/freetel/code@3231
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drowe67 [Tue, 20 Jun 2017 21:48:30 +0000 (21:48 +0000)]
OK gr-satellites finally installing to correct path, gnuradio-companion starting up OK and lilacsat1 appliation OK besides one module
git-svn-id: https://svn.code.sf.net/p/freetel/code@3230
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drowe67 [Tue, 20 Jun 2017 21:17:17 +0000 (21:17 +0000)]
working up to grx, but not gr-satellites
git-svn-id: https://svn.code.sf.net/p/freetel/code@3229
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okcsampson [Tue, 20 Jun 2017 18:53:02 +0000 (18:53 +0000)]
Small optimize in ofdm.c
git-svn-id: https://svn.code.sf.net/p/freetel/code@3228
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okcsampson [Tue, 20 Jun 2017 07:47:31 +0000 (07:47 +0000)]
Update ofdm.c all tests passing
git-svn-id: https://svn.code.sf.net/p/freetel/code@3227
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drowe67 [Tue, 20 Jun 2017 03:31:15 +0000 (03:31 +0000)]
latest round of 2D DCT experiments
git-svn-id: https://svn.code.sf.net/p/freetel/code@3226
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drowe67 [Mon, 19 Jun 2017 22:04:58 +0000 (22:04 +0000)]
correct timing instant when timing_en==0, added timing_est and sample_point and rx_np vectors and scatter plot, looking gd with all estimators on except freq_offset
git-svn-id: https://svn.code.sf.net/p/freetel/code@3225
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okcsampson [Mon, 19 Jun 2017 21:40:22 +0000 (21:40 +0000)]
Remove gain function call from ofdm.c
git-svn-id: https://svn.code.sf.net/p/freetel/code@3224
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okcsampson [Mon, 19 Jun 2017 17:55:19 +0000 (17:55 +0000)]
Add free to ofdm.c
git-svn-id: https://svn.code.sf.net/p/freetel/code@3223
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okcsampson [Mon, 19 Jun 2017 15:52:47 +0000 (15:52 +0000)]
Bug in ofdm.c
git-svn-id: https://svn.code.sf.net/p/freetel/code@3222
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drowe67 [Mon, 19 Jun 2017 10:57:55 +0000 (10:57 +0000)]
tested up to sucessful build of gnu radio
git-svn-id: https://svn.code.sf.net/p/freetel/code@3221
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drowe67 [Mon, 19 Jun 2017 08:50:41 +0000 (08:50 +0000)]
updated TODO
git-svn-id: https://svn.code.sf.net/p/freetel/code@3220
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drowe67 [Mon, 19 Jun 2017 07:15:02 +0000 (07:15 +0000)]
ready to test first few steps
git-svn-id: https://svn.code.sf.net/p/freetel/code@3219
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drowe67 [Mon, 19 Jun 2017 06:53:51 +0000 (06:53 +0000)]
initial setup
git-svn-id: https://svn.code.sf.net/p/freetel/code@3218
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okcsampson [Mon, 19 Jun 2017 05:05:19 +0000 (05:05 +0000)]
Cleanup ofdm.c a bit
git-svn-id: https://svn.code.sf.net/p/freetel/code@3217
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okcsampson [Mon, 19 Jun 2017 04:12:45 +0000 (04:12 +0000)]
Fix bugs in coarse sync in ofdm.c
git-svn-id: https://svn.code.sf.net/p/freetel/code@3216
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drowe67 [Mon, 19 Jun 2017 00:42:20 +0000 (00:42 +0000)]
added phase_est_pilot and rx_amp, working OK with phase est swicthed off
git-svn-id: https://svn.code.sf.net/p/freetel/code@3215
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drowe67 [Sun, 18 Jun 2017 19:59:06 +0000 (19:59 +0000)]
added rx_bits to checks, changes demod bit ordering but demod bits still not quite right
git-svn-id: https://svn.code.sf.net/p/freetel/code@3214
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okcsampson [Sun, 18 Jun 2017 14:11:42 +0000 (14:11 +0000)]
Fix bug in sum function ofdm.c
git-svn-id: https://svn.code.sf.net/p/freetel/code@3213
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okcsampson [Sun, 18 Jun 2017 12:57:42 +0000 (12:57 +0000)]
Put foff_est in row order
git-svn-id: https://svn.code.sf.net/p/freetel/code@3212
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okcsampson [Sun, 18 Jun 2017 12:28:20 +0000 (12:28 +0000)]
Add foff_est_hz to unittest
git-svn-id: https://svn.code.sf.net/p/freetel/code@3211
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okcsampson [Sun, 18 Jun 2017 03:26:28 +0000 (03:26 +0000)]
Changes to ofdm.c passes all tests
git-svn-id: https://svn.code.sf.net/p/freetel/code@3210
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okcsampson [Sat, 17 Jun 2017 15:58:42 +0000 (15:58 +0000)]
Update ofdm.c demod
git-svn-id: https://svn.code.sf.net/p/freetel/code@3209
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okcsampson [Sat, 17 Jun 2017 13:45:37 +0000 (13:45 +0000)]
Matrix multiply was gimped
git-svn-id: https://svn.code.sf.net/p/freetel/code@3208
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okcsampson [Sat, 17 Jun 2017 04:37:54 +0000 (04:37 +0000)]
Minor chgs in ofdm.c
git-svn-id: https://svn.code.sf.net/p/freetel/code@3207
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okcsampson [Sat, 17 Jun 2017 03:23:01 +0000 (03:23 +0000)]
Adjust arrays in ofdm.c
git-svn-id: https://svn.code.sf.net/p/freetel/code@3206
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drowe67 [Fri, 16 Jun 2017 23:11:29 +0000 (23:11 +0000)]
working thru 16kHz support for newamp1
git-svn-id: https://svn.code.sf.net/p/freetel/code@3205
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drowe67 [Fri, 16 Jun 2017 21:52:55 +0000 (21:52 +0000)]
octave estimators off
git-svn-id: https://svn.code.sf.net/p/freetel/code@3204
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drowe67 [Fri, 16 Jun 2017 21:49:35 +0000 (21:49 +0000)]
first pass at checking rx_sym, not passing
git-svn-id: https://svn.code.sf.net/p/freetel/code@3203
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okcsampson [Fri, 16 Jun 2017 21:20:38 +0000 (21:20 +0000)]
Add getter functions for sample size
git-svn-id: https://svn.code.sf.net/p/freetel/code@3202
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okcsampson [Fri, 16 Jun 2017 20:44:46 +0000 (20:44 +0000)]
Add max samples to ofdm_internal.h
git-svn-id: https://svn.code.sf.net/p/freetel/code@3201
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okcsampson [Fri, 16 Jun 2017 10:27:51 +0000 (10:27 +0000)]
Add request to ofdm.c
git-svn-id: https://svn.code.sf.net/p/freetel/code@3200
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drowe67 [Fri, 16 Jun 2017 07:17:18 +0000 (07:17 +0000)]
basic ofdm rx tests working
git-svn-id: https://svn.code.sf.net/p/freetel/code@3199
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okcsampson [Fri, 16 Jun 2017 01:05:24 +0000 (01:05 +0000)]
More ofdm rx index chgs
git-svn-id: https://svn.code.sf.net/p/freetel/code@3198
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drowe67 [Fri, 16 Jun 2017 00:30:25 +0000 (00:30 +0000)]
renamed worksheet
git-svn-id: https://svn.code.sf.net/p/freetel/code@3197
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drowe67 [Thu, 15 Jun 2017 22:59:13 +0000 (22:59 +0000)]
support for many experiments around 2d dcts, can now dial up spectral distortion and est bit rate
git-svn-id: https://svn.code.sf.net/p/freetel/code@3196
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okcsampson [Thu, 15 Jun 2017 22:06:12 +0000 (22:06 +0000)]
Mess with indexes in ofdm rx
git-svn-id: https://svn.code.sf.net/p/freetel/code@3195
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okcsampson [Wed, 14 Jun 2017 22:05:14 +0000 (22:05 +0000)]
Moved rx_sym to state
git-svn-id: https://svn.code.sf.net/p/freetel/code@3194
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drowe67 [Wed, 14 Jun 2017 21:08:01 +0000 (21:08 +0000)]
starting rx side of tofdm.[cm]
git-svn-id: https://svn.code.sf.net/p/freetel/code@3193
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okcsampson [Wed, 14 Jun 2017 17:53:59 +0000 (17:53 +0000)]
Fix index bug in ofdm.c demod
git-svn-id: https://svn.code.sf.net/p/freetel/code@3192
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okcsampson [Wed, 14 Jun 2017 17:40:08 +0000 (17:40 +0000)]
Add demod candidate to ofdm.c (untested)
git-svn-id: https://svn.code.sf.net/p/freetel/code@3191
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okcsampson [Wed, 14 Jun 2017 11:56:35 +0000 (11:56 +0000)]
Prepare ofdm files for demod function
git-svn-id: https://svn.code.sf.net/p/freetel/code@3190
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drowe67 [Wed, 14 Jun 2017 01:15:46 +0000 (01:15 +0000)]
first pass at quantising dct coeffs using uniform quantisers, sounds reasonable ... something like 170 bits which is a bit off the pace but a gd start. Prob worth trying kmeans again just in case there was a bug
git-svn-id: https://svn.code.sf.net/p/freetel/code@3189
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drowe67 [Tue, 13 Jun 2017 21:15:03 +0000 (21:15 +0000)]
first pass at quantising dct coeffs using kmeans designed quantisers, doesnt sound too gd
git-svn-id: https://svn.code.sf.net/p/freetel/code@3188
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drowe67 [Tue, 13 Jun 2017 04:15:22 +0000 (04:15 +0000)]
added functions for zig-zag mapping of 2D dct coeffs
git-svn-id: https://svn.code.sf.net/p/freetel/code@3187
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okcsampson [Mon, 12 Jun 2017 22:34:03 +0000 (22:34 +0000)]
Update random bit file compat with octave
git-svn-id: https://svn.code.sf.net/p/freetel/code@3186
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okcsampson [Mon, 12 Jun 2017 17:42:48 +0000 (17:42 +0000)]
Fix loop bug in ofdm.c
git-svn-id: https://svn.code.sf.net/p/freetel/code@3185
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okcsampson [Mon, 12 Jun 2017 17:34:41 +0000 (17:34 +0000)]
Update ofdm.c tx matches octave now
git-svn-id: https://svn.code.sf.net/p/freetel/code@3184
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drowe67 [Mon, 12 Jun 2017 07:49:00 +0000 (07:49 +0000)]
modified parabolic interpolator to lin interp to 0 at edges, bit unclear if this is a huge improvement just yet
git-svn-id: https://svn.code.sf.net/p/freetel/code@3183
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drowe67 [Mon, 12 Jun 2017 05:22:11 +0000 (05:22 +0000)]
unit test code working, but actual test failing on tx output
git-svn-id: https://svn.code.sf.net/p/freetel/code@3182
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okcsampson [Mon, 12 Jun 2017 02:22:06 +0000 (02:22 +0000)]
Change W row/col
git-svn-id: https://svn.code.sf.net/p/freetel/code@3181
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drowe67 [Mon, 12 Jun 2017 01:41:32 +0000 (01:41 +0000)]
some plots working
git-svn-id: https://svn.code.sf.net/p/freetel/code@3180
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drowe67 [Mon, 12 Jun 2017 01:38:40 +0000 (01:38 +0000)]
rewrote test bits generation
git-svn-id: https://svn.code.sf.net/p/freetel/code@3179
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drowe67 [Mon, 12 Jun 2017 01:04:28 +0000 (01:04 +0000)]
fixed up tnewamp1.c for 16kHz changes
git-svn-id: https://svn.code.sf.net/p/freetel/code@3178
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okcsampson [Mon, 12 Jun 2017 00:34:34 +0000 (00:34 +0000)]
Add changes to ofdm.c for unit test
git-svn-id: https://svn.code.sf.net/p/freetel/code@3177
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okcsampson [Sun, 11 Jun 2017 23:15:01 +0000 (23:15 +0000)]
Update ofdm.c for loop bug
git-svn-id: https://svn.code.sf.net/p/freetel/code@3176
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okcsampson [Sun, 11 Jun 2017 23:07:22 +0000 (23:07 +0000)]
Update ofdm.c for output
git-svn-id: https://svn.code.sf.net/p/freetel/code@3175
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okcsampson [Sun, 11 Jun 2017 23:03:25 +0000 (23:03 +0000)]
Adjest ofdm header file
git-svn-id: https://svn.code.sf.net/p/freetel/code@3174
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okcsampson [Sun, 11 Jun 2017 22:48:29 +0000 (22:48 +0000)]
Change ofdm_txframe output
git-svn-id: https://svn.code.sf.net/p/freetel/code@3173
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drowe67 [Sun, 11 Jun 2017 22:42:00 +0000 (22:42 +0000)]
initial version of tofdm.m, haven't tried to run yet
git-svn-id: https://svn.code.sf.net/p/freetel/code@3172
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okcsampson [Sun, 11 Jun 2017 22:34:34 +0000 (22:34 +0000)]
Remove constants from ofdm_internal.h
git-svn-id: https://svn.code.sf.net/p/freetel/code@3171
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drowe67 [Sun, 11 Jun 2017 22:14:09 +0000 (22:14 +0000)]
first pass at tofdm.c
git-svn-id: https://svn.code.sf.net/p/freetel/code@3170
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drowe67 [Sun, 11 Jun 2017 21:59:06 +0000 (21:59 +0000)]
added function to generate a C include file of tets bits, just single frame for now
git-svn-id: https://svn.code.sf.net/p/freetel/code@3169
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okcsampson [Sun, 11 Jun 2017 17:13:27 +0000 (17:13 +0000)]
Use NCP not NC in appropriate places
git-svn-id: https://svn.code.sf.net/p/freetel/code@3168
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okcsampson [Sun, 11 Jun 2017 14:52:16 +0000 (14:52 +0000)]
Missed a couple changes last update
git-svn-id: https://svn.code.sf.net/p/freetel/code@3167
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okcsampson [Sun, 11 Jun 2017 14:40:04 +0000 (14:40 +0000)]
Fix bugs in ofdm.c
git-svn-id: https://svn.code.sf.net/p/freetel/code@3166
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okcsampson [Sat, 10 Jun 2017 14:19:30 +0000 (14:19 +0000)]
Fix bugs in ofdm.c
git-svn-id: https://svn.code.sf.net/p/freetel/code@3165
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okcsampson [Fri, 9 Jun 2017 04:36:44 +0000 (04:36 +0000)]
ofdm.c bug fix
git-svn-id: https://svn.code.sf.net/p/freetel/code@3164
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okcsampson [Fri, 9 Jun 2017 03:15:48 +0000 (03:15 +0000)]
Update ofdm.c to compile config
git-svn-id: https://svn.code.sf.net/p/freetel/code@3163
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okcsampson [Thu, 8 Jun 2017 16:08:38 +0000 (16:08 +0000)]
change ofdm to compile options
git-svn-id: https://svn.code.sf.net/p/freetel/code@3162
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okcsampson [Wed, 7 Jun 2017 21:27:29 +0000 (21:27 +0000)]
Update ofdm and remove parts
git-svn-id: https://svn.code.sf.net/p/freetel/code@3161
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okcsampson [Wed, 7 Jun 2017 19:48:56 +0000 (19:48 +0000)]
Candidate code for ofdm.c, still need to finish demod
git-svn-id: https://svn.code.sf.net/p/freetel/code@3160
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okcsampson [Wed, 7 Jun 2017 19:31:33 +0000 (19:31 +0000)]
Add getters/setters to codec2_ofdm.h
git-svn-id: https://svn.code.sf.net/p/freetel/code@3159
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okcsampson [Tue, 6 Jun 2017 17:36:16 +0000 (17:36 +0000)]
Change from float to int in ofdm_internal.h
git-svn-id: https://svn.code.sf.net/p/freetel/code@3158
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drowe67 [Tue, 6 Jun 2017 04:04:11 +0000 (04:04 +0000)]
Attempt at correcting alias errors in rate K resampling, sig improvement for hst1a
git-svn-id: https://svn.code.sf.net/p/freetel/code@3157
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drowe67 [Tue, 6 Jun 2017 03:51:39 +0000 (03:51 +0000)]
fixed sensitivity to log(0) errors when importing via --amread
git-svn-id: https://svn.code.sf.net/p/freetel/code@3156
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drowe67 [Mon, 5 Jun 2017 03:15:51 +0000 (03:15 +0000)]
added mel resampling option to c2sim
git-svn-id: https://svn.code.sf.net/p/freetel/code@3155
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drowe67 [Sun, 4 Jun 2017 07:53:28 +0000 (07:53 +0000)]
c2sim working with phase0 at 16k, sounds quite reasonable, but room for improvement
git-svn-id: https://svn.code.sf.net/p/freetel/code@3154
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drowe67 [Sun, 4 Jun 2017 07:18:43 +0000 (07:18 +0000)]
original phases working with 8000 Hz and 16000 Hz, sounds OK. Can see better ways to handle this in nlp.c, plenty of work for a future clean up
git-svn-id: https://svn.code.sf.net/p/freetel/code@3153
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okcsampson [Sat, 3 Jun 2017 23:31:08 +0000 (23:31 +0000)]
Add in the initial OFDM Header files
git-svn-id: https://svn.code.sf.net/p/freetel/code@3152
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drowe67 [Fri, 2 Jun 2017 07:36:15 +0000 (07:36 +0000)]
TW and NW worked out at run time, c2sim c2enc/dec 1300/700C ok
git-svn-id: https://svn.code.sf.net/p/freetel/code@3151
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drowe67 [Fri, 2 Jun 2017 01:19:22 +0000 (01:19 +0000)]
made timing/freq est window indep of Rs
git-svn-id: https://svn.code.sf.net/p/freetel/code@3150
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drowe67 [Thu, 1 Jun 2017 22:34:11 +0000 (22:34 +0000)]
refactoring general purpose mFSK modem library from fsk_horus
git-svn-id: https://svn.code.sf.net/p/freetel/code@3149
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drowe67 [Wed, 31 May 2017 03:33:21 +0000 (03:33 +0000)]
initial 16fsk working, but have hard coded the freq offset est for now
git-svn-id: https://svn.code.sf.net/p/freetel/code@3148
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drowe67 [Tue, 30 May 2017 09:38:01 +0000 (09:38 +0000)]
p_min/p_max/m_pitch run time constants, bit exact with c2sim and cenc/dec 1300/700C
git-svn-id: https://svn.code.sf.net/p/freetel/code@3147
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drowe67 [Tue, 30 May 2017 01:57:35 +0000 (01:57 +0000)]
working on 16kHz support, number of samples/frame now a run time varialble, c2sim and c2enc/dec 1300 output bit exact
git-svn-id: https://svn.code.sf.net/p/freetel/code@3146
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hobbes1069 [Tue, 30 May 2017 00:14:08 +0000 (00:14 +0000)]
Tag release FreeDV 1.2.1.
git-svn-id: https://svn.code.sf.net/p/freetel/code@3145
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hobbes1069 [Tue, 30 May 2017 00:12:35 +0000 (00:12 +0000)]
Merge win32 log fix into 1.2 branch.
git-svn-id: https://svn.code.sf.net/p/freetel/code@3144
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drowe67 [Sat, 27 May 2017 21:54:31 +0000 (21:54 +0000)]
SNR estimation for EME
git-svn-id: https://svn.code.sf.net/p/freetel/code@3143
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drowe67 [Thu, 25 May 2017 02:31:55 +0000 (02:31 +0000)]
making a start on HF noise cancellation problems
git-svn-id: https://svn.code.sf.net/p/freetel/code@3142
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drowe67 [Thu, 18 May 2017 10:43:09 +0000 (10:43 +0000)]
few tweaks to only log errors when valid signal
git-svn-id: https://svn.code.sf.net/p/freetel/code@3141
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drowe67 [Thu, 18 May 2017 00:36:05 +0000 (00:36 +0000)]
thicker lines on plots
git-svn-id: https://svn.code.sf.net/p/freetel/code@3140
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drowe67 [Thu, 18 May 2017 00:35:23 +0000 (00:35 +0000)]
ssb filtering feature and bcleaned up rx logs
git-svn-id: https://svn.code.sf.net/p/freetel/code@3139
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drowe67 [Tue, 16 May 2017 20:37:37 +0000 (20:37 +0000)]
selects Nc based on code rate to maintain 700 bit/s payload data rate
git-svn-id: https://svn.code.sf.net/p/freetel/code@3138
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drowe67 [Tue, 16 May 2017 03:03:30 +0000 (03:03 +0000)]
added analog signal simulation and interleaving of (224,112) code, and a basic sync system for rx
git-svn-id: https://svn.code.sf.net/p/freetel/code@3137
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drowe67 [Tue, 16 May 2017 03:02:29 +0000 (03:02 +0000)]
added error pattern and analog simulation
git-svn-id: https://svn.code.sf.net/p/freetel/code@3136
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drowe67 [Tue, 16 May 2017 03:00:41 +0000 (03:00 +0000)]
added rate 0.8 wenet ldpc code for comparison
git-svn-id: https://svn.code.sf.net/p/freetel/code@3135
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drowe67 [Sat, 13 May 2017 21:59:39 +0000 (21:59 +0000)]
one frame ldpc enc/dec working for ofdm_rx/ofdm_tx
git-svn-id: https://svn.code.sf.net/p/freetel/code@3134
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drowe67 [Sat, 13 May 2017 09:06:54 +0000 (09:06 +0000)]
added various new plots for characterising system, added diversity for comparison, normalised HF power, slower freq tracking to improve perf
git-svn-id: https://svn.code.sf.net/p/freetel/code@3133
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drowe67 [Fri, 12 May 2017 02:33:04 +0000 (02:33 +0000)]
adding multiple LDPC frame interleaving, reorganised plots
git-svn-id: https://svn.code.sf.net/p/freetel/code@3132
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