Analog and digital electronics, Processor and FPGA application Skilled in analog design, Radio design (VHF & RF), Signal processing (Software radio) I like the electronics especially analog and radio design I develop embedded software like signal processing for software radio or low power consumption systems...

Re: DSP Windowing function

Reply posted 3 years ago (08/23/2017)
Hi Bheki,I guess you want to apply a window to an array of samples stored in Bloc RAM.My experience with Spartan 3 (it doesn't change the matter as BR are similar...

Re: Zero IF vs Low IF receivers

Reply posted 4 years ago (07/10/2016)
Hi Tomb18 and Slartibartfast,Zero IF receiver provides IQ data or baseband signal (centered arround 0) and it is true there is often a 0Hz splike (DC spike).This...

Re: fft combinations

Reply posted 4 years ago (07/09/2016)
Hi Kaz,In this case, is it possible to implement 256pts FFT and proceed with overlap-add ?More info: https://en.wikipedia.org/wiki/Overlap%E2%80%93add_...The advantage...

Re: fft combinations

Reply posted 4 years ago (07/09/2016)
Hello Kaz,Is it possible to choose the longer FFT size (512pts) and to zero pad the FFT in the case 256 pts?A longer FFT size has more frequency bins.FFT bins resolution...
Dear @mm2426, pipifax gives a good explanation.In order to measure absolute acoustic levels, the pressure to voltage conversion must be known (microphone's job)....

Re: Pass band in digital up conversion of LTE signals

Reply posted 4 years ago (06/12/2016)
Dear LabPe43According to your description, xilinx advise to use a passband of 9.015 MHz in its first stage of filters (Single rate filter) for a 20 MHz bandwidth...

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