搜索结果: 1-11 共查到“工学 Carrier Phase”相关记录11条 . 查询时间(0.078 秒)
System Identification of a Farm Vehicle Using Carrier-Phase Differential GPS
System Identification Farm Vehicle Carrier-Phase Differential GPS
2015/6/29
The automatic operation of farm vehicles can have great benefits both in farm productivity and hazardous or impossible operations. Automatic control offers many potential improvements over human contr...
High Integrity Carrier Phase Navigation for Future LAAS Using Multiple Civilian GPS Signals
High Integrity Carrier Phase Navigation LAAS Multiple Civilian GPS Signals
2015/6/29
In near future, there will be two more civilian GPS signals,at 1227.60 MHz and 1176.45 MHz, in addition to thepresent one at 1575.42 MHz. Of many possible benefits from the three civilian signal...
Analysis of Carrier Phase and Group Delay Biases Introduced by CRPA Hardware
Carrier Phase Group Delay Biases Introduced CRPA Hardware
2015/6/26
The benefits afforded by Controlled Reception Pattern Antennas (CRPAs) in multipath and interference mitigation are well documented, and they find use in many applications today. As such, CRPAs are be...
Multi-stage Carrier Phase Recovery and Nonlinear Polarization Crosstalk Canceller for XPM Mitigation
Coherent communications Nonlinear optics fibers
2015/5/26
Novel XPM mitigation technique by coordination of carrier phase recovery and nonlinear polarization crosstalk canceller is proposed. It doubles the Q improvement over conventional method in 112Gb/s DP...
Low-Complexity Two-Stage Carrier Phase Estimation for 16-QAM Systems using QPSK Partitioning and Maximum Likelihood Detection
Low-Complexity Two-Stage Carrier Phase Estimation 16-QAM Systems QPSK Partitioning Maximum Likelihood Detection
2015/5/20
A feedforward carrier phase estimation algorithm using a modified QPSK partition approach followed by maximum-likelihood (ML) detection is proposed. Results demonstrate complexity reduction by more th...
Optimization of Carrier Phase Estimation for 112 Gbit/s PM-QPSK Systems
Gbit/s PM-QPSK System Optimization Carrier Phase
2015/5/15
For 112 Gbit/s PM-QPSK systems, the residual phase noise auto-correlation function with a lag of N can serve as a suitable monitor signal for optimizing the averaging in carrier phase estimation algor...
GPS Carrier-Phase Time Transfer Using Single-Difference Integer Ambiguity Resolution
GPS Carrier-Phase Time Transfer Single-Difference Integer Ambiguity Resolution
2009/9/3
GPS is widely used for time and frequency transfer. To estimate the clock difference between two ground stations, a single baseline solution can be performed using external products for the modelling ...
Joint L-/C-Band Code and Carrier Phase Linear Combinations for Galileo
Joint L-/C-Band Code Carrier Phase Linear Combinations Galileo
2009/9/3
Linear code combinations have been considered for suppressing the ionospheric error. In the L-band, this leads to an increased noise floor. In a combined L- and C-band (5010–5030 MHz) approach, ...
XPM Tolerant Adaptive Carrier Phase Recovery for Coherent Receiver Based on Phase Noise Statistics Monitoring
XPM Tolerant Adaptive Carrier Phase Recovery Coherent Receiver Phase Noise Statistics
2015/7/17
According to the monitored phase noise statistics, the averaging weights in carrier phase recovery is adaptively optimized. Comparing with existing optimization techniques, 1dB Q value improvement can...
Reduction of Nonlinear Inter-channel Crosstalk Penalty for DQPSK signal in Carrier Phase Locked WDM
Nonlinear Inter-channel Crosstalk Penalty DQPSK signal Carrier Phase Locked WDM
2015/7/14
This paper shows reduction of nonlinear inter-channel crosstalk penalty for DQPSK signal in carrier phase locked WDM. Experimental results show that carrier phase locking successfully suppresses the O...
Joint-Polarization Carrier Phase Estimation for XPM-Limited Coherent Polarization-Multiplexed QPSK transmission with OOK-neighbors
Carrier Phase Estimation XPM-Limited Coherent Polarization-Multiplexed QPSK transmission OOK-neighbors
2015/7/30
We demonstrate joint polarization carrier phase estimation for XPM-limited channels with significant improvements over standard methods, demonstrated on measurements of 43Gb/s NRZ-CP-QPSK with 10.7Gb/...