Re: [Freetel-codec2] 4FSK with random bits

[glen english]

debrujin sequences are cool ! If the difference between sequences and recovery is only half a dB, I don't worry. If it was more than 1.5 dB I would.. On 24/03/2016 9:59 AM, Gregory Maxwell wrote: On Wed, Mar 23, 2016 at 10:49 PM, glen english <g...@cortexrf.com.au> wrote: should be able to pass continuous random sequence. that sort of testing usually finds and breaks clock and bit recovery under pathological conditions. testing can take 'quite a while' - days- to test almost every conceivable run length condition that is a couple of bandwidth multiples of the recovery loops..... usually the cause of much frustration and for me, usually leads to a simplification of what I had..... If you're not using one already, you want a 2^(symbits), recovery_loop_len_in_symbols debrujin sequence as your test input.  These get pretty big pretty fast if your recovery loop is many symbols long... but nothing brings out the corner cases like an exhaustive test. :)    ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://pubads.g.doubleclick.net/gampad/clk?id=278785351&iu=/4140 _______________________________________________ Freetel-codec2 mailing list Freetel-codec2@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freetel-codec2

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