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September 17, 2015 at 3:27 pm
#24892

Hi alsitu changing sequence length to 512 from 128 did not help it just made processing time higher. pls can somebody tell me how to set cut off frequency, sample rate , bit rate in optical receiver. i mean what relationship do they hold so that change in one value effects other . my ouput OSNR is as high at 35 dB power is 10^-3 mW but BER and eye diagram not coming. sam is right i am literally struggling to get permissible BER. i fail to understand under what setting of sample rate, cut off etc output comes . sometimes no output is there no graphs no value of Q factor, BER evn when electrical power meter shows output.
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