3 ms·
With correct encoding you can detect signals way below the noise floor. Thats how GPS work, you detect a satellite signal orbiting at 400 km with an antenna the
by aortega 4y ago
With correct encoding you can detect signals way below the noise floor. Thats how GPS work, you detect a satellite signal orbiting at 400 km with an antenna the size of a chip.
The Curiosity rover communicates with Earth from Mars with an antenna the size of a soda can.
- patentatt 4y agoBut the receiver has to know the encoding to be able to detect it. Maybe the aliens are using a different type of spectrum spreading technique that makes a lot of sense to them but is unknown to us.