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214 Commity (gr-droneid-rewrite)

Autor SHA1 Wiadomość Data
David Protzman fe710a6d12 Updated readme 2022-10-16 12:25:28 -04:00
David Protzman 6c217427b7 Added more utils functions 2022-10-16 12:24:05 -04:00
David Protzman f15ebdf508 Updated autocorr graph to use the new detector block 2022-10-14 23:44:09 -04:00
David Protzman f4e03c5816 Added hierarchical block for DroneID detection 2022-10-14 23:41:07 -04:00
David Protzman 5c11419e2a Added burst extractor block 2022-10-14 23:16:33 -04:00
David Protzman 8cf47662f7 Ignoring all .py files in the examples folder 
This is to prevent pre-compiled Python files from being uploaded by mistake
 2022-10-13 01:29:01 -04:00
David Protzman 03d29eb84e Updated examples readme 2022-10-13 01:28:54 -04:00
David Protzman ce82d18caf Added deps for gnuradio-filter and gnuradio-blocks 2022-10-13 01:26:30 -04:00
David Protzman 718875173b Added example flow graph that can sync up on DroneID bursts without custom OOT modules 2022-10-13 01:25:50 -04:00
David Protzman b1b2be57c3 Added variance_vector and conj methods 2022-10-12 22:20:30 -04:00
David Protzman e4618831b0 Added code docs 2022-10-10 10:02:41 -04:00
David Protzman 537b3c9c2f Added variance functions 2022-10-10 10:00:15 -04:00
David Protzman 134aedd86d Added mean_fast function 2022-10-09 19:03:32 -04:00
David Protzman 3b30b48402 Removed unused code from create_zc (MATLAB) 2022-10-09 18:00:25 -04:00
David Protzman 19ab4e3e35 Updated hash for utils class 2022-10-09 18:00:15 -04:00
David Protzman b28013d211 Updated tests for utils to use a single instance of MATLAB 
There were issues before where the single MATLAB instance would cause a segfault at the end of the test
Now it truly uses a single instance
 2022-10-09 17:59:05 -04:00
David Protzman 4a493badb1 Removed constructor and deconstructor as these are set to default now 2022-10-09 17:58:43 -04:00
David Protzman c3c8320c8f Added comments for utils class 2022-10-09 17:58:10 -04:00
David Protzman 4ab63eee2e Added GNU Radio module 2022-10-09 11:27:20 -04:00
David Protzman ea67d38d43 Added ignore file 2022-10-09 11:27:15 -04:00
David Protzman 96e93aa3da Updated create_zc to use zadoff_chu 
This was done to make testing easier as there were bugs in the C++ that were painful to figure out since the raw ZC sequence was generated in this function
 2022-10-09 11:22:24 -04:00
David Protzman b700e24480 Added function for generating raw ZC sequences 2022-10-09 11:22:06 -04:00
proto17 5f1a468159
Create README.md 2022-09-22 22:56:45 -04:00
proto17 fd96323c50
Create LICENSE 2022-09-06 08:47:02 -04:00
proto17 4d83bd6267
Update README.md 
Fixed list of frequencies that DroneID appears on
 2022-09-05 16:56:00 -04:00
proto17 9e2bd4fe55
Removed unnecessary seek into the ZC sym for CFO 
It was pointed out that the additional 6 sample seek wasn't necessary.  Tested with a HackRF and DJI Mini 2 to validate.
 2022-09-05 12:23:18 -04:00
David Protzman a58848eaff Merge branch 'main' of https://github.com/proto17/dji_droneid into main 2022-08-28 09:36:00 -04:00
David Protzman 5f319c4cc4 Moved files around to prevent clutter 
Files that are not currently being used have been moved to unused_scripts
 2022-08-28 09:34:45 -04:00
David Protzman deb0be39c2 Removed normalization requirement 
There's no reason it must be normalized, and Octave doesn't support normalization with xcorr
 2022-08-28 09:21:18 -04:00
David Protzman 363ff70239 Small change in how the symbols are extracted 2022-08-28 01:17:33 -04:00
David Protzman 3c77c3e6a8 Added function that finds the start time offset based on the cyclic prefix 2022-08-28 01:16:23 -04:00
David Protzman a731a12660 *Lots* of changes 
These changes have been over several months and can't really be split apart meaningfully :\
 2022-08-28 01:10:24 -04:00
David Protzman fe761e9473 The equalizer takes care of global phase offsets 2022-08-28 01:08:25 -04:00
David Protzman 95bc95e236 Added integer frequency offset correction logic 2022-08-28 01:07:46 -04:00
David Protzman 339f1fcae9 Setting title of figure 43 2022-08-28 01:07:24 -04:00
David Protzman ef608611d6 Now plotting the power spectrum with averaging and correct freq range 2022-08-28 01:06:39 -04:00
David Protzman 779e170785 Fixed issue with plots always showing up in burst extractor 2022-08-28 01:04:25 -04:00
David Protzman 9e313dd7b4 Removed example file values, moved some parameters 2022-08-28 01:00:42 -04:00
proto17 7fa0fc4988
Create est_integer_freq_offset.m 2022-05-18 23:40:07 -04:00
proto17 a170391a9e
Create test_integer_freq_offset.m 2022-05-18 23:30:40 -04:00
proto17 ec1ca41c6b
Create cyclic_prefix_sto_test.m 2022-05-17 22:37:01 -04:00
proto17 95863425aa
Create ifo_test.m 2022-05-16 23:19:27 -04:00
proto17 ca5fada2d0
Update README.md 2022-04-30 12:27:46 -04:00
proto17 f312a1cc14
Update README.md 2022-04-30 12:26:42 -04:00
proto17 b80be8d9b8
Update README.md 2022-04-30 12:25:51 -04:00
David Protzman 9e2aafab50 Moved the offset index back 1 FFT size 
This is because the new xcorr function is forward looking vs reverse looking
 2022-04-30 12:00:04 -04:00
David Protzman 46b2c4dad5 Warning the user if correlation threshold > 1.0 
Now that the xcorr is truly normalized, there's no good reason to go above 1.0
 2022-04-30 11:59:32 -04:00
David Protzman 388d4acd7b Erroring if correlation threshold < 0 2022-04-30 11:59:05 -04:00
David Protzman 4309068874 Added comments 2022-04-30 11:58:21 -04:00
David Protzman 60ea5e6f3f Shrunk the peak search window from 100 to 10 
No reason to look that far around for the peak of a ZC sequence correlation
 2022-04-30 11:58:02 -04:00