搜索结果: 1-12 共查到“光信息技术 Spatial”相关记录12条 . 查询时间(0.23 秒)
ROADM System for Space Division Multiplexing with Spatial Superchannels
ROADM System Space Division Multiplexing Spatial Superchannels
2014/11/6
A two-span SDM system includes the first ROADM supporting spatial superchannels and the first cladding-pumped multicore-EDFA directly spliced to multicore transmission fiber.For 6 ×40 ×128-Gb/s SDM-WD...
Blur-mask approach (BMA) was developed to simulate the light distribution of locally controlled LED backlight, providing much lower computational complexity which is less than1% of that of conventiona...
A high-dynamic-range liquid crystal display (HDR-LCD) which studies as a dual-panel display can much enhance the contrast ratio of image and reduce the power consumption upon the locally controlled dy...
Impact of ADC Bandwidth and Clipping Ratio on COF-PON Systems Based on Spatial Coding and Subcarrier Multiplexing
Analog-to-digital convertor (ADC) clipping ratio code-division-multiplexing (CDM) passive optical networks (PON) subcarrier multiplexing
2016/12/2
In this paper, we analyze the impact of analog-to digital convertor (ADC) bandwidth and clipping ratio on the performance of a 1 Gb/s x 15 user CDM-over-fiber-PON (COF PON) system based on 16-QAM modu...
30Gbit/s 3 × 3 Optical Mode Group Division Multiplexing System with Mode-Selective Spatial Filtering
Fiber optics communication Multiplexing
2015/5/25
A 30Gbit/s 3 × 3 optical Mode Group Division Multiplexing system with Mode-Selective Spatial Filtering (MSSF) using single-mode fiber is demonstrated over 20m graded-index multimode fiber. Crosstalk a...
Data Transmission Using Wavelength-Selective Spatial Routing for Photonic Interconnection Networks
Integrated Optics Optical Switching Devices Optics in Computing Optical
2015/5/22
Wavelength-selective spatial routing is proposed for photonic networks and demonstrated on an electro-optic microring switch. This technique yields greater path diversity in photonic networks, enablin...
Demonstration of 1 Gb/s×15-User CDM Over WDM-PON Using Electrical Spatial Coding and Subcarrier Multiplexing
Code-division multiplexing (CDM) digital signal processing (DSP) passive optical network (PON) subcarrier multiplexing
2016/12/2
The downlink transmission of a 1 Gb/s 脳 15-user code-division multiplexing (CDM) over wavelength-division-multiplexing passive optical network (WDM-PON) based on electrical spatial coding and subcarri...
40 km long-range Raman-based distributed temperature sensor with meter-scale spatial resolution
Fiber optics sensors Scattering Raman
2015/6/10
We propose a new Raman based distributed measurement technique which allows for temperature sensing over nearly 40 km of graded index multimode optical fiber with meter-scale spatial resolution and te...
Frequency Resolved Angle and Time Difference of Arrival Estimation With Spatial Spectral Holography
Fourier optics signal processing Analog optical signal processing Holography Optical storage materials
2015/6/10
Correlative power spectrum and spectral phase mapping via readout of a fiber interferometer with spatial-spectral materials is analyzed and demonstrated to enable precise frequency resolved time delay...
All-Optical Spatial Multicasting Using Cascaded Silicon Photonic Devices
All-Optical Spatial Cascaded Silicon Photonic Devices
2015/7/17
We demonstrate all-optical spatial multicasting enabled by nanophotonic devices in two cascaded silicon chips. We evaluate each spatially-multicasted signal using 10-Gb/s BER measurements, facilitatin...
Spatial, Temporal, and Interchannel Image Data Fusion for Long-Distance Terrestrial Observation Systems
Spatial Temporal Interchannel Image Data Fusion Long-Distance Terrestrial Observation Systems
2009/5/19
This paper presents methods for intrachannel and interchannel fusion of thermal and visual sensors used in long-distance terrestrial observation systems. Intrachannel spatial and temporal fusion mecha...
利用近场信源的一次快拍数据具有近似线性调频信号形式这一特点,将空域—频域联合平滑WVD和边缘检测以及直线拟合技术结合,对边缘检测结果进行Hough变换得到候选点集,并采用最小二乘聚类拟合获得抑制交叉项与噪音影响的初始频率和调频率估计,进而估计出近场信源的波达角和距离参量.理论分析和仿真结果表明,该方法能够显著抑制WVD分布的交叉项,正确拟合信源的原始空域—频域分布,并具有较低的运算复杂度.