Assertion: detection | /r/CapableOf | involve filtering faint signal
Facets:
value: from noise
type: OTHER
value: as in radio astronomy
type: OTHER
Source sentences:
text: Detection is usually based on the frequency of the carrier signal, as in the familiar frequencies of radio broadcasting, but it may also involve filtering a faint signal from noise, as in radio astronomy, or reconstructing a hidden signal, as in steganography.
text: Detection is usually based on the frequency of the carrier wave, as in the familiar frequencies of radio broadcasting, but it may also involve filtering a faint signal from noise, as in radio astronomy, or reconstructing a hidden signal, as in steganography.