搜索结果: 1-12 共查到“光学工程 Decision”相关记录12条 . 查询时间(0.25 秒)
A HYBRID DECISION SUPPORT SYSTEM FOR 3D CITY PLANNING
Decision Support System Spatial Planning Hybrid System Virtual Reality
2015/8/31
In recent years virtual reality based geographic information systems (VRGIS) have been employed successfully to accomplish city
planning tasks. Tracking technologies and stereoscopic visualization of...
A new ultra-high sensitivity, low-power optical receiver based on a decision-feedback equalizer
Fiber optics links and subsystems Fiber optics sources and detectors Optical interconnects
2015/5/21
A decision-feedback equalizer is used to recover data at baud rates far above the bandwidth of a low-noise TIA front-end. The overall 90-nm CMOS DC-coupled clocked receiver has better than -25 dBm pow...
Progress in Soft-Decision FEC
Soft-Decision FEC
2015/5/18
We discuss the practical implementation of LDPC codes in soft-decision FEC for 100 Gb/s digital coherent systems. The question of the definition of net coding gain for differential QPSK used to avoid ...
Study on the Performance of Decision-Aided Maximum Likelihood Phase Estimation with a Forgetting Factor
Forgetting Factor Decision-Aided Maximum Likelihood Phase
2015/5/15
A structure of non-adaptive decision-aided maximum likelihood is demonstrated by introducing a forgetting factor via both analysis and experiments, which achieves the same performance as the adaptive ...
Soft-decision Forward Error Correction in a 40-nm ASIC for 100-Gbps OTN Applications
40-nm ASIC OTN Application Error Correction
2015/5/15
Soft-decision forward error correction provides high coding gain, but typically with high complexity. We present a soft-decision turbo product code with >11 dB NECG and reasonable complexity in a 40-n...
A Triple-Concatenated FEC using Soft-Decision Decoding for 100 Gb/s Optical Transmission
Optical communications
2015/6/8
We propose a novel triple-concatenated forward error correction for 100Gb/s transmission. Simulation shows that a net coding gain of 10.8dB is obtained by a soft-decision LPDC code concatenated with t...
Soft Decision FEC for 100G Transport Systems
Fiber optics communications Optical communications
2015/6/8
A practical implementation of soft decision based FEC for 100G transport systems is discussed. The keys are a stronger coding gain using triple-concatenated FEC and a multi-lane distribution architect...
Experimental Demonstration of Decision-Aided Maximum Likelihood Phase Estimation in 8-Channel 42.8-Gbit/s DWDM Coherent PolMux-QPSK System
Optical communications Coherent communication Phase modulation
2015/6/5
We experimentally demonstrate a novel decision-aided maximum likelihood phase estimation in an 8-Channel 42.8-Gbit/s DWDM coherent PolMux QPSK system. The results show that our proposed algorithm can ...
Performance of Modified Decision-Directed Polarization Control/Demultiplex Algorithm in Coherent QAM Receiver
Coherent communications Optical communications
2015/6/4
A modified decision-directed polarization control and demultiplex algorithm for coherent receivers is evaluated for QAM schemes up to order 256, and compared against the constant-modulus algorithm ada...
Dispersion Compensation Using Decision-Feedback MLSE for Spectrally-Efficient Optical Transmission
Dispersion Compensation MLSE Spectrally-Efficient Optical Transmission
2015/7/17
We propose a novel decision-feedback maximum likelihood sequence estimation, and numerically demonstrate its use in 10GS/s 8-ASK-DQPSK (8-ASK-QPSK) systems to significantly improve the dispersion tole...
Volterra Nonlinear Compensation of 112 Gb/s Ultra-long-haul Coherent Optical OFDM based on Frequency-Shaped Decision Feedback
Volterra Nonlinear Compensation Ultra-long-haul Coherent Optical OFDM Frequency-Shaped Decision Feedback
2015/7/14
A novel DSP-based FWM compensation scheme for 112Gb/s CO-OFDM based on decision-feedback-aided frequency-shaped Volterra nonlinear filtering, with low O(MlogM) realization complexity, improves the wor...
Demonstration of 10.3-Gbit/s Burst-mode CDR employing 0.13 um SiGe BiCMOS Quad-rate sampling IC and Data-phase decision-algorithm for 10Gbps-based PON Systems
Burst-mode CDR SiGe BiCMOS Quad-rate sampling IC Data-phase decision-algorithm PON Systems
2015/8/6
We present a new 10Gbps-based PON burst-mode CDR with a 0.13 um BiCMOS quad-rate sampling IC and decision-algorithm for optimum recovery-data selection.Instantaneous burst-mode recovery of the first b...