- Frequency-shift
keying (FSK) is a
frequency modulation scheme in
which digital information is
encoded on a
carrier signal by
periodically shifting the...
- The hot-wire
barretter was a
demodulating detector,
invented in 1902 by
Reginald Fessenden, that
found limited use in
early radio receivers. In effect...
-
sympathy with the
analogue signal to be sent.
There are two
methods used to
demodulate AM signals: The
envelope detector is a very
simple method of demodulation...
- on
known signals.
Vector signal analyzers are
useful in
measuring and
demodulating digitally modulated signals like W-CDMA, LTE, and WLAN.
These measurements...
- graticules, and
accept standard television or
video signals as
input (
demodulating and
demultiplexing the two
components to be
analyzed internally). In...
- an
output proportional to the
square of some input. For example, in
demodulating radio signals, a
semiconductor diode can be used as a
square law detector...
-
accurate satellite location from this
transmitted message, the
receiver must
demodulate the
message from each
satellite it
includes in its
solution for 18 to...
-
carrier wave
signals to
encode digital information,
while the
receiver demodulates the
signal to
recreate the
original digital information. The goal is...
- is a type of
detector circuit,
commonly used in
radio receivers for
demodulating frequency modulated (FM) signal. The
ratio detector is a
variant of the...
- together. At the receiver, the two
waves can be
coherently separated (
demodulated)
because of
their orthogonality.
Another key
property is that the modulations...
