搜索结果: 1-13 共查到“工学 PDL”相关记录13条 . 查询时间(0.103 秒)
The Laboratory for Perceptual Dynamics (PDL) at the KU Leuven
The Laboratory for Perceptual Dynamics (PDL) at the KU Leuven
2014/11/14
The Laboratory for Perceptual Dynamics (PDL) takes a 'complex systems' view with respect to visual awareness. In this view, ongoing internal processes in the brain prepare it for the experience of obj...
针对同时受到偏振模色散（PMD）和偏振相关损耗（PDL）作用的偏振复用系统，在系统接收端采用相干接收方式，利用基于负熵最大化的不动点复数ICA算法（T-CMN算法）对接收到的偏振复用信号进行解复用。仿真结果表明：ICA解复用后的偏振信号的传输质量明显改善，在系统中光信噪比大于20.86 dB时均能保持误码率小于10?9，符合通信系统的传输质量要求。
Monitoring of Orthogonal Polarization Power Ratio due to PDL using Intensity Tones in Polarization Multiplexed Signals
Fiber optics communications Fiber optics links subsystems
2015/5/25
We demonstrate a technique for monitoring orthogonal polarization power ratio (OPPR) occurring in WDM polarization-multiplexed signals due to PDL. We employ low-frequency intensity tones to estimate t...
PDL and PMD Emulation with Control of Amplitude and Spectral Dependence to a Sub-Channel Level across the C-Band
Optical instruments Optical communications
2015/5/25
We present results of a polarization diverse LCoS wavelength processor. Applications include impairment simulation of broadband, channelized and intra-band PMD and PDL for detailed experimental sensit...
New PMD-Induced Crosstalk in the Presence of PDL in a Polarization-Multiplexed Ultrahigh-Speed Transmission
PMD-Induced Polarization-Multiplexed Ultrahigh-Speed Transmission
2015/5/15
New impairments in polarization-multiplexed ultrahigh-speed transmission in the presence of PMD and PDL are identified analytically and experimentally. Crosstalk is inevitable even with PSP launching,...
PMD and PDL Behavior of Aerial Fiber with the Accelerated Jones-Matrix Eigenanalysis
Fibers characterization Fiber measurements
2015/6/10
Polarization characteristics of aerial SMF were examined with the accelerated Jones-Matrix Eigenanalysis, comparing to interferometric method. PMD shows strong correlation with environmental changes b...
PDL Mitigation in PolMux OFDM Systems using Golden and Silver Polarization-Time Codes
Fiber optics communications Optical communications Modulation
2015/6/4
Polarization-Time coding can highly mitigate PDL impairments in optical OFDM sys-tems. The performances of two full-rate Polarization-Time codes, the Golden and Silver codes, have been evaluated showi...
We investigate the effect of polarisation dependent loss (PDL) in wavelength division multiplexing-passive optical network (WDM-PON) with injection seeded reflective semiconductor optical amplifier (R...
基于新型距离度量的以卷积码为分量码的MLC／PDL性能
距离度量 多级编码 截断卷积码
2009/4/29
该文着重研究了一种新的距离度量在以卷积码为分量码、MQAM调制的MLC/PDL系统中的应用。在Rayleigg衰落信道下通过计算机仿真,验证了此度量的有效性,并得到在此度量下设计多级码的准则。
Realtime 40 krad/s Polarization Tracking with 6 dB PDL in Digital Synchronous Polarization-Multiplexed QPSK Receiver
PDL Digital Synchronous Polarization-Multiplexed QPSK Receiver
2015/8/3
Fast polarization changes of 40 krad/s (and 6 dB PDL) are tracked in a 2.8 Gb/s realtime coherent QPSK receiver with 0.7 dB (2.4 dB) sensitivity degradation.
PMD and PDL Tolerance of Polarization Division Multiplexed Signals with Direct Detection
PMD PDL Tolerance Polarization Division Multiplexed Signals Direct Detection
2015/8/3
The PMD tolerance of a polarization-division-multiplexed signal with direct detection depends on the signal bandwidth and time alignment between channels, and PDL impairments are affected by the polar...
Experimental Demonstration of the Reduction of PDL and DGD in Fibre Bragg Gratings by Using a Twisted-Fibre for the Inscription
PDL DGD Fibre Bragg Gratings Twisted-Fibre Inscription
2015/8/3
We experimentally report the possibility to reduce PDL and DGD in fibre Bragg gratings by inducing polarization mode coupling. This is obtained by using a twisted-fibre for the inscription.
基于PLC的PMD补偿器中PDL效应的分析
2007/8/20
应用穆勒（Müller）矩阵对硅基平面光波导线路（Planar lightwave circuit PLC）补偿器中PDL对差分群时延(Differential group delay DGD)分布的影响进行了分析，在不同的PDL值下对各种不同级次的PLC单元级联情况的DGD值分布进行了讨论，并与Maxwell分布进行了比较，得到了在特定PDL值情况下最为优化的PLC级次.