Hi Steve,
I have compiled the two-pass decoder in Windows, and am running it now.
To make it work I had to change line 1062 so that it calls
subtract_signal() rather than subtract_signal2(). Haven't yet tried to
determine what's amiss in the fully coherent subtraction routine.
I will report back on results and any developments...
-- Joe, K1JT
On 6/26/2015 9:10 AM, Steven Franke wrote:
> Hi Greg,
>> On Jun 25, 2015, at 11:10 PM, KI7MT<ki7m...@gmail.com> wrote:
>>
>> Hi Steve,
>>
>> Just so I am clear on this. The Makefile (Linux) has three targets,
>> wsprd, wsprsim and wspr_exp. All we need to build is wspr_exp as the
>> wsprd is being dealt with by Cmake yes?
> Yes, the regular wsprd and the simulation program wsprsim are built by Cmake,
> but not wsprd_exp.
>>
>> I'll be adding this to JTSDK Nix to build and cp the wspr_exp decoder to
>> install/bin location on each turn.
>>
>> I had brief look at the Windows Makefile.MinGW but did not see the
>> wsprd_exp target listed, so I am assuming this is only being tested on
>> *Nix ??
> I have only tested wsprd_exp on linux and OS X. I don’t have a Windows
> machine.
>
> Thanks for adding wsprd_exp to the WSJT-X build script. Some time soon I
> think that we’ll want to just rename wsprd_exp to wsprd and have it replace
> the current decoder. Before we do that, Id like to see that at least a couple
> of people besides me have been able to use wsprd_exp without problems.
>
> Steve k9an
>
>>
>> 73's
>> Greg, KI7MT
>>
>> On 06/24/2015 07:30 PM, Steven Franke wrote:
>>> For those testing wspr mode in wsjt-x, I have placed a .pdf file containing
>>> information on the current status of the experimental two-pass decoder
>>> wsprd_exp at this link:
>>>
>>> https://dl.dropboxusercontent.com/u/33211132/signal_subtraction.pdf
>>>
>>> I have been running the two-pass decoder with wsjt-x and with my 8-channel
>>> gnuradio-based setup for the past several days without any problems.
>>> If you would like to play with the new decoder, the Makefile in the
>>> wsjt-x/lib/wsprd directory will compile it. For testing with wsjt-x, I
>>> renamed the executable wsprd and copied it into the<wsjt-x install>/bin
>>> directory.
>>>
>>> While testing this new decoder I used a batch of .wav files and also a
>>> separate batch of .c2 files that were written by the latest wsjt-x. I
>>> eventually realized that all of the .c2 files that were written by wsjt-x
>>> were contaminated by signal dropouts. See “Case 3” in the pdf document for
>>> an example and more details. After discovering the problem with the .c2
>>> files, I saved a batch of .wav and .c2 files using wsjt-x and found that
>>> the .wav files were fine, but that the .c2 files were contaminated. This
>>> makes me wonder if the problem lies in the writec2 routine in wsjt-x. I
>>> welcome input/opinion on this from those who are more familiar with the
>>> code. Could this problem somehow be specific to my setup?
>>>
>>> Steve k9an
>>
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