DSP
in [Hardware]
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pow/log functions in fixed point Hi, I have successfully converted add, sub, mul and div operations to fixed pt and see ~10 times improvement. I'm not sure how to go about doing pow and log functions...can some one please suggest an algo or pt me to an open source code for reference. thanks, Marty ... 24 Jul 2010 15:33
Need omnivorous carrier recovery method Hello. We are making some sdr thing. So there is a need to catch carrier frequency for down shifting. We know nothing about baseband signal, except may be that it was digital or analogue modulated. Could anyone suggest any method? We're computing everything with modern pc, so there is no problem with arg(), log10(), s... 21 Jul 2010 16:54
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downconverting optical frequencies... hello forum, I know that is it is possible to downconvert high frequencies to lower frequencies.... what is the highest frequency we can downconvert and why? How is it done? ( I don't think the issue exists in the reverse direction: we can convert any low frequency signal to a high frequency one) thanks ... 19 Jul 2010 14:38
Last Call for Papers Reminder (extended): World Congress on Engineering and Computer Science WCECS 2010 Last Call for Papers Reminder (extended): World Congress on Engineering and Computer Science WCECS 2010 CFP: World Congress on Engineering and Computer Science WCECS 2010 Draft Paper Submission Deadline (extended): 26 July, 2010 Camera-Ready Papers Due & Registration Deadline (extended): 16 August, 2010 WCECS 2... 18 Jul 2010 06:15
Fair comparison between time domain equalizer and OFDM Hi All So far I have worked on time domain equalizers such as LE and DFE. Recently I have started to work on OFDM systems. And I am trying to compare the performance for Proakis channel B which is three tap channel. First system: map the info bits to BPSK, pass the symbols through channel, add noise. The channe... 16 Jul 2010 17:39
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