3 ms·
some encodings are virtually indistinguishable from background noise,. e.g. spread spectrum like CDMA used in GPS. It's already difficult to decode them here on
by ithkuil 14y ago
some encodings are virtually indistinguishable from background noise,. e.g. spread spectrum like CDMA used in GPS.
It's already difficult to decode them here on earth if you don't know the sequence key, let alone picking faint signals from distant civilizations.
- lusr 14y agoI was not aware of that. This is an interesting counter-point to caf's observation: http://news.ycombinator.com/item?id=4188432 http://news.ycombinator.com/item?id=4188432