Hi Cinaed, Thanks for the attempt!
I will continue to seek a solution via experimentation with trying more permutations and going back to Gnuradio Discussion if I still cannot find something to stick. Regards, George George On Sat, Jan 23, 2021 at 11:15 PM Cinaed Simson <cinaed.sim...@gmail.com> wrote: > Hi Edward - okay, I sent the wrong copy anyway - the one I sent wasn't > finished.When I change the inputs to 5 complex numbers I get 9 complex > values. > > And that's good because it appeared you weren't doing anything. > > See the loop > > for k in range(0,2) > > which is loop over only 3 values - may be you're clipping your output? > > I don't anything about the OOT module or C++. > > Sorry - I can't help you. > > -- Cinaed > S > > > On 1/23/21 5:37 PM, George Edwards wrote: > > Hi Cinaed, > > Thanks again for your suggestion. > > I can tell it will not work because I am not writing plain stand alone > Python. My code is written within Gnuradio constructs in an OOT module. The > QA test shows the module is reading in the input complex samples (5 complex > samples) and responding with the correct amount of output samples (10 > complex samples). However, it was working properly all 10 output samples > would be 1+j1. Instead only the first two and last two samples are correct > and the middle value 6 values are j0 (which are wrong). So the question is: > "how do I fix my code to output 10 samples of 1+j1". Based on how I have > written the code, I am under the belief that I am writing 1+j1 to the > output buffer 10 times, but my output is not 1+j1 10 times, so something is > wrong. So I am looking for help on how to modify the code to fulfill the > proper operation of Gnuradio OOT Interpolator module. > > Thanks again for the help. > > George > > > > On Sat, Jan 23, 2021 at 7:00 PM George Edwards <gedwards....@gmail.com> > wrote: > >> Thanks Cinaed! >> >> I will test how it works. >> >> George >> >> On Sat, Jan 23, 2021 at 2:58 PM Cinaed Simson <cinaed.sim...@gmail.com> >> wrote: >> >>> Hi George - I'm presuming the enclosed example.py script is what you're >>> trying calculate - and that the input data is complex. >>> >>> I invented my own data. >>> >>> If true, it should be easy to adapt it to your problem by combining the >>> 2 loops for any value of n. >>> >>> -- Cinaed >>> >>> >>> On 1/22/21 10:49 AM, George Edwards wrote: >>> >>> Hello, >>> I am working with the OOT Interpolator template and I set the >>> interpolation factor to 2. In the QA file I input 5-complex samples and >>> based on my simple code below in the work() method, I expect the QA test to >>> return 1+j1, 10-times (5x2). The QA returns ((1+1j), (1+1j), 0j, 0j, 0j, >>> 0j, 0j, 0j, (1+1j) , (1+1j)). I have tried a lot of different coding >>> permutations and this is the closest I come to a solution, but it is >>> wrong!!! Any help is greatly appreciated! >>> >>> def work(self, input_items, output_items): >>> >>> in0 = input_items[0] >>> >>> out = output_items[0] >>> >>> for ii in range(0,len(in0)): >>> >>> for k in range(0,2): >>> >>> out[k] = 1.0+1.0*1j >>> >>> >>> >>> return len(output_items[0]) >>> >>> Thanks, >>> George >>> >>> >>> >
