搜索结果: 1-15 共查到“光学工程 spectrum”相关记录22条 . 查询时间(0.156 秒)
德国的道路上，每两分钟就会发生一起由于野生动物引发的交通事故。仅2015年，就给德国的保险行业造成了超过6亿欧元的损失。为了解决这一难题，乌尔姆应用科技大学、海尔布隆应用科学大学以及工业合作伙伴共同创建了“SALUS”。通过雷达、光学相机、红外传感器和神经网络的组合，打造出了一个能够区分行人、汽车、自行车骑行者、摩托车骑行者、鹿、狐狸和野猪等物体的机器学习系统。该系统能够向汽车司机和其它道路使用者...
近日，西安电子科技大学郝跃院士团队成员材料学院王宏副教授、微电子学院马晓华教授等设计研发了一种模拟神经元间信号传导的可溶性忆阻器，相关成果“Physically Transient Memristive Synapse with Short-Term Plasticity Based on Magnesium Oxide”发表在IEEE Electron Device Letters期刊上；被IE...
Noise Suppression for Fiber Radio Transmission on Spectrum-Sliced WDM-PONs Employing Interferometric Structures
Fiber optics communications Radio frequency photonics
2015/5/26
We propose a novel noise-suppression scheme in spectrum-sliced WDM-PONs.Experimentally, low-noise windows can be created in which the noise is reduced by more than 20dB and the performance of vector s...
Spectrum Efficient Super-Channels in Dynamic Flexible Grid Networks – A Blocking Analysis
Networks assignment routing algorithms
2015/5/25
We analyze the blocking performance of spectrum efficient super-channels in dynamic flexible grid networks. Results demonstrate that increased spectral efficiency and flexible super-channel assignment...
Traffic Grooming in Spectrum-Elastic Optical Path Networks
Networks Networks network optimization
2015/5/22
We propose a novel approach of traffic grooming in Spectrum-Elastic Optical Path Networks. Higher spectrum efficiency is achieved by our approach comparing with non-traffic-grooming scenario.
Dynamic Routing and Spectrum Assignment in Flexible Optical Path Networks
Dynamic Routing Flexible Optical Path Network Spectrum Assignment
2015/5/15
We propose dynamic routing and spectrum assignment algorithms for bitrate-flexible lightpaths in OFDM-based optical networks. The novel algorithms enable dynamic spectrum assignment with more efficien...
Spectral Reflectance Characteristics of Different Snow and Snow-Covered Land Surface Objects and Mixed Spectrum Fitting
Snow Snow-covered land surface object Spectral characteristics Spectral fitting
2012/4/17
The field spectroradiometer was used to measure spectra of different snow and snow-covered land surface objects in Beijing area. The result showed that for a pure snow spectrum, the snow reflectance p...
Gain spectrum of an optical parametric amplifier with a temporally-incoherent pump
Gain spectrum optical parametric amplifier temporally-incoherent pump
2015/6/10
We report on the performance of a fiber optical parametric amplifier pumped with a temporally-incoherent pump. Parametric gain coefficients seven times higher than that of a coherently pumped amplifie...
Full Characterization of Noise Figure Spectrum in a Single- Pumped Fiber Parametric Amplifier
Fiber optics amplifiers and oscillators Nonlinear optics four-wave mixing Raman effect
2015/6/10
For the first time, an asymmetric NF spectrum induced by both Raman induced excess noise and Raman modified pump transferred noise of a fiber parametric amplifier has been measured. Experimental resul...
On the Spectrum-Efficiency of Bandwidth-Variable Optical OFDM Transport Networks
Spectrum-Efficiency Bandwidth-Variable Optical OFDM Transport Networks
2015/6/10
We investigated the high spectrum efficiency property of the bandwidth-variable optical OFDM (BV-OOFDM) transport networks. In contrast to mixed-line-rate (MLR) networks, BV-OOFDM enables flexible all...
Spectrum-Compressed,Millimeter-Wave Wireless over Fiber Access System Using Duobinary Line Coding at 10-Gbps and Beyond
Networks Optical communications
2015/6/8
For the first time, a spectrum-compressed very-high-throughput wireless-over-fiber system leveraging duobinary signaling is proposed. Error-free transmission of a 10-Gbps duobinary signal at 60-GHz ov...
Distance-Adaptive Spectrum Allocation in Elastic Optical Path ?etwork (SLICE) with Bit per Symbol Adjustment
All-optical networks Fiber optics links subsystems
2015/6/8
We present a concept of spectrally-efficient optical networking with distance-adaptive spectral allocation by adjusting the number of modulation levels. We demonstrate it by routing 40 Gb/s optical pa...
Characterization of a Mode-Locked Quantum-Dash Fabry-Perot Laser Based on Measurement of the Complex Optical Spectrum
Mode-Locked Quantum-Dash Fabry-Perot Laser Complex Optical Spectrum
2015/7/17
By measuring the complex optical spectrum using a half-rate, sinusoidal modulation method, a mode locked quantum-dash Fabry-Perot laser is characterized for free-running operation and actively mode-lo...
1 Tb/s Optical Path Aggregation with Spectrum-Sliced Elastic Optical Path Network SLICE
Optical Path Aggregation Spectrum-Sliced Elastic Optical Path Network SLICE
2015/7/16
We demonstrate highly spectrally-efficient path aggregation directly in the optical domain. Multiple hundred-gigabit class flows are aggregated into a seamless 1 Tb/s optical path and transmitted in s...
Spectrum Sliced Sources AMOOFDM Modulated for WDM&TDM PON
Spectrum Sliced Sources AMOOFDM Modulated WDM&TDM PON
2015/7/16
We experimentally demonstrate the use of AMOOFDM format as a cost effective solution for colorless source WDM-PONs based on spectrally sliced ASE source (SLED, RSOA and pre-selected RSOA).