5 ms·

i would guess they're talking about FPGA correlators for the radio signal. how are they estimating distance? the article says "the furthest one that we detect

i would guess they're talking about FPGA correlators for the radio signal. how are they estimating distance? the article says "the furthest one that we detected was 11 billion light years away" which is an odd statement to make about a signal from an unknown process, unless, say it was monchromatic (and of known rest-frame frequency, which likely implies some physical process, and redshifted).

mtdewcmu 13y ago
This is from the link below, and I think it sums it up: >> The beautiful sweep and pulse shape of the radiation obeys the theoretically-predicted relation for a burst of radio waves that has propagated across the universe. My understanding is that it matches what a sharp burst should look like after passing through 11 billion light-years' worth of electrons. http://theconversation.com/fast-radio-bursts-new-intergalactic-messengers-15700?utm_medium=email&utm_campaign=Latest+from+The+Conversation+for+5+July+2013&utm_content=Latest+from+The+Conversation+for+5+July+2013+CID_66170e5224fc5aab5288540358054bdf&utm_source=campaign_monitor&utm_term=Fast%20Radio%20Bursts%20new%20intergalactic%20messengers http://theconversation.com/fast-radio-bursts-new-intergalact...