Image Frequency
Image frequency
: In
radio
reception using heterodyning in the
tuning
process, an undesired
input
frequency
that is capable of producing the same
intermediate frequency
(IF) that the desired input frequency produces. The term
image
arises from the mirror-like symmetry of
signal
and image frequencies about the beating-
oscillator
frequency.
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hagelbarger code
halftone characteristic
hamming code
hamming distance
handoff
handshaking
hard copy
hard sectoring
harmonic
h channel
heterodyne
heterodyne repeater
heuristic routing
hierarchical routing
high performance equipment
hop
hop count
horn (disambiguation)
hotline
hybrid
hybrid balance
hybrid coil
hybrid routing
hydroxyl ion absorption
name and identifier
image antenna
image rejection ratio
improved definition television
independent clocks
index matching material
index of cooperation
inductive coupling
information bearer channel
information system
information transfer transaction
input
insertion gain
insertion loss
inside plant
intelligent network
intensity modulation
intercept
interchangeability
interchange circuit
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