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Carrier Phase

Carrier phase estimation methods in coherent transmission systems influenced by equalization enhanced phase noise

Carrier phase estimation methods in coherent transmission systems influenced by equalization enhanced phase noise

... The performance of the BA carrier phase extraction method with different block size in the 112-Gbit/s NRZ-PDM-QPSK system is illustrated in Fig. 2. The transmission system is with 2000 km optical fiber, ...

23

Digital adaptive carrier phase estimation in multi level phase shift keying coherent optical communication systems

Digital adaptive carrier phase estimation in multi level phase shift keying coherent optical communication systems

... laser phase noise, an effect of equalization enhanced phase noise (EEPN) has been generated and will seriously degrade the performance of long-haul optical fiber communication systems ...enhanced ...

6

Close form expression of one tap normalized LMS carrier phase recovery in optical communication systems

Close form expression of one tap normalized LMS carrier phase recovery in optical communication systems

... laser phase noise and the equalization enhanced phase noise ...(LMS) carrier phase recovery (CPR) is carried out and the close-form expression is investigated for quadrature phase shift ...

7

Carrier phase estimation in dispersion unmanaged optical transmission systems

Carrier phase estimation in dispersion unmanaged optical transmission systems

... VV carrier phase estimation methods, since the AWGN in the channel such as amplified spontaneous emission (ASE) noise from the optical amplifiers should also be taken into consideration in practical optical ...

6

Iterative carrier phase recovery suited to turbo-coded systems

Iterative carrier phase recovery suited to turbo-coded systems

... against phase errors by taking into account the design of the ...with phase distortion. In [3], the turbo decoding is made robust against phase uncertainty by using nonsystem- atic, rotationally ...

11

Testing mapping grade GPS carrier phase accuracy

Testing mapping grade GPS carrier phase accuracy

... Table 5.19: Comparison between Manufacturer’s claimed HRMS and obtained HRMS with Pro XH receiver post-processed in Trimble Pathfinder Office Post-processing Method Carrier Manufacturer’[r] ...

109

Phase noise mitigation in coherent transmission system using a pilot carrier

Phase noise mitigation in coherent transmission system using a pilot carrier

... the phase noise elimination employing an optical pilot carrier in the high speed coherent transmission system considering the equalization enhanced phase noise ...quadrature phase shift keying ...

7

Convolutional neural network based multipath detection method for static and kinematic GPS high precision positioning

Convolutional neural network based multipath detection method for static and kinematic GPS high precision positioning

... double-differenced carrier phase residuals can be computed from the fixed solution after ambiguity resolution using the least-squares ambiguity decorrelation adjustment (LAMBDA) method ...double-differenced ...

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Estimation and Mitigation of GPS Multipath Interference Using Adaptive Filtering

Estimation and Mitigation of GPS Multipath Interference Using Adaptive Filtering

... Abstract—Estimation and mitigation of multipath error improves the positional accuracy of GPS. The objective of this paper is to estimate the effect of multipath interference at the receiver antenna based on both code ...

16

Phase noise cancellation in coherent communication systems using a radio frequency pilot tone

Phase noise cancellation in coherent communication systems using a radio frequency pilot tone

... enhanced phase noise (EEPN) is induced and plays a significant role in the carrier phase recovery (CPR) in high-capacity optical communication systems ...

9

Analysis of distortion in pulse modulation converters for switching radio frequency power amplifiers

Analysis of distortion in pulse modulation converters for switching radio frequency power amplifiers

... the phase modulation of the carrier pulse ...the carrier phase (pulse position) by one quantisation ...quantised phase jumps generate distortion components that affect both the signal ...

22

GNSS Imaging: a Case Study of Tree Detection Based on BeiDou
 GEO Satellites

GNSS Imaging: a Case Study of Tree Detection Based on BeiDou GEO Satellites

... code phase, carrier phase, and navigation messages in the direct ...code phase and carrier phase are used for the range compression of the reflected signal to obtain correlation ...

14

Multipath Error Analysis of COMPASS Triple Frequency Observations

Multipath Error Analysis of COMPASS Triple Frequency Observations

... by carrier phase measure- ments, so we should detect cycle slips before subsequent ...the carrier phase ...the phase multipath. The carrier phase measurement errors and ...

10

Effects of coupling on turbulent gas-particle boundary layer flows at borderline volume fractions using kinetic theory

Effects of coupling on turbulent gas-particle boundary layer flows at borderline volume fractions using kinetic theory

... particle–particle collisions and the two-way coupling on the dispersed and carrier phase turbulence fluctuations in a channel flow based on a DNS solution. They found when the particle collisions were ...

7

Fast Synchronization Scheme for GSM at Lower SNR

Fast Synchronization Scheme for GSM at Lower SNR

... proposed a joint synchronization scheme that intends to synchronize symbol time offset, carrier frequency offset and carrier phase offset altogether. Unlike other GSM synchronization schemes, in this ...

10

An Active PWM Technique For A Transformer less H-Bridge  Cascaded  STATCOM With Wye Configuration

An Active PWM Technique For A Transformer less H-Bridge Cascaded STATCOM With Wye Configuration

... the carrier phase-shifted sinusoidal PWM (abbreviated as CPS-SPWM) with the carrier frequency of 1 ...cluster,12 carrier signals with the same frequency as 1 kHz are phase shifted by ...

9

Sintering Aids in Powder Metallurgy184-195

Sintering Aids in Powder Metallurgy184-195

... In an attempt to clarify the mechanism of activated sintering, which they had earlier attributed to the activating metal acting as a carrier phase for the diffusion[r] ...

12

Synthesizing Nanoparticles Using Reactions Occurring in Aerosol Phases

Synthesizing Nanoparticles Using Reactions Occurring in Aerosol Phases

... this Phase, oppositely charged drops are transported by the carrier gas from the two nebulizers and mixed in a Reaction ...Reaction Phase Chamber to the Collection ...

5

Multilevel PWM Waveform Decomposition and Phase-Shifted Carrier Technique

Multilevel PWM Waveform Decomposition and Phase-Shifted Carrier Technique

... A somewhat easier way is to generate the resulting PWM waveform using conventional PO or PH methods and then decompose it to bipolar PWM sub-waveforms using a logical strategy. The strategy is based on preparing the most ...

15

Effect of Trimethoprim Inclusion Complexation with Cyclodextrins on its Antimicrobial Activity

Effect of Trimethoprim Inclusion Complexation with Cyclodextrins on its Antimicrobial Activity

... The base of peaks in the sample were broader in nature as compared to pure drug. Relative intensity percentage values were also found to be less in samples confirming the reduction in crystallinity pattern can be treated ...

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