Examples of 'carrier recovery' in a sentence
Meaning of "carrier recovery"
carrier recovery: Carrier recovery is a signal processing technique used in communication systems to extract the carrier signal from a modulated waveform. It is essential for demodulating the transmitted signal accurately and ensuring the fidelity of the recovered information
How to use "carrier recovery" in a sentence
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carrier recovery
Costas loop carrier recovery device.
The invention can be used to detect loss of carrier recovery.
Frequency and phase carrier recovery are done in a carrier recovery block.
This may generally be considered as a carrier recovery process.
Carrier recovery circuit.
This is accomplished by a carrier recovery circuit.
Carrier recovery devices of this kind use known digital estimators.
The invention relates to a signal carrier recovery process.
The problem of carrier recovery arises in the coherent demodulation of linearly modulated signals.
The demodulation stage includes a carrier recovery detection apparatus.
A further object of the present invention is to detect loss of carrier recovery.
This task is performed by a carrier recovery unit at the receiver side.
So clock recovery is in principle not necessary for the carrier recovery.
The carrier recovery alarm signal can be used for controlling such inhibition.
The present invention also relates to a carrier recovery method.
See also
This allows a carrier recovery loop to operate at a rate of one sample per data symbol.
The demodulator normally includes a timing and carrier recovery loop.
The present invention provides a carrier recovery loop that is decoupled from the adaptive equalizer.
The bursts of digital data are then sent to the carrier recovery circuit.
Carrier recovery processor for a QAM television signal.
A baseband part comprising in particular a device for carrier recovery at intermediate frequency.
Carrier recovery Differential amplifier.
This eliminates interaction between the carrier recovery device and quadrature control loop.
When the carrier recovery loop is on a point of stability, the eye is open.
This offers the advantage to simplify the carrier recovery arrangement at the receiving end.
When successive data symbols are different, no updates are made to the carrier recovery.
A further advantage of the invention is that the carrier recovery circuit benefits from the equalization.
This carrier recovery circuit utilizes a phase comparator having the following properties,.
The invention concerns a Costas loop carrier recovery device.
Once carrier recovery synchronization is achieved, the trellis decoder resolves the puncture state ambiguity.
This simplifies the receiver as AGC and carrier recovery are no longer required.
A carrier recovery and slot synchronisation stage 62 is connected to an output of the filter 60.
Laser propagation delay can be calibrated out and a carrier recovery DSP is not required.
The carrier recovery circuit 20 may be modified in various ways without affecting its operation,.
Field of the Invention The invention concerns a Costas loop carrier recovery device.
According to the invention, the carrier recovery arrangement comprises successively,.
Tracking is improved, thereby relaxing the phase noise requirement of the carrier recovery system.
FIG . 6 shows another embodiment of a carrier recovery circuit in accordance with the invention ;.
The constellation phase error / rotation may be significantly reduced or eliminated by a so-called carrier recovery network.
FIG . 3 shows an embodiment of the carrier recovery arrangement in accordance with the invention ; and.
Then, the receiver enables all other DSP blocks as e.g. timing recovery and carrier recovery.
Non-data-aided / " blind " carrier recovery methods do not rely on any knowledge of the modulation symbols.
Consequently, a digital or analogue carrier recovery is not required.
A method of demodulating a QAM signal, including the carrier detection . method of claim 1 for carrier recovery.
FIG. 3 shows a prior art carrier recovery circuit;.
These symbols are applied to an equalizer 235 and thereafter to a carrier recovery circuit 240.
The apparatus according to the invention comprises a demodulator 1, a carrier recovery loop 2, an equalizer 3 and a mixer 4.
FIG . 5 shows the block diagram of the carrier recovery circuit.
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