搜索结果: 1-15 共查到“光信息技术 Real”相关记录32条 . 查询时间(0.093 秒)
TO ACHIEVE REAL IMMERSION: THE 3D VIRTUAL AND PHYSICAL RECONSTRUCTION OF CAVE 3 AND CAVE 12 OF YUNGANG GROTTOES
cascade SfM robust detailed MVS 3D printing replica cave
2019/3/1
s the 3D laser scanning and photogrammetry technologies continue to mature, more and more applications founded in numerous areas. The realistic 3D models are mainly adopted for digital display uses, s...
REAL-TIME VIDEO-BASED RECONSTRUCTION OF URBAN ENVIRONMENTS
computer vision, 3D model, stereo reconstruction, large-scale reconstruction, real time processing, geo-registration
2015/10/8
We present an approach for automatic 3D reconstruction of outdoor scenes using computer vision techniques. Our system collects
video, GPS and INS data which are processed in real-time to produce geo-...
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...
Real Time Monitoring of Fluorescent Particles in Micro-Channels by High Resolution Dual Modality Probe Imaging
Microscopy Image Fiber Spectrophotometer Microchannel
2013/1/30
Imaging of micro particles in micro-fluidic channels is one of the recent thrust areas in research as it provides more flexibility in setup and analysis compared to conventional microscopy. However, a...
101.5 Gbit/s Real-Time OFDM Transmitter with 16QAM Modulated Subcarriers
Optical communications Coherent communications
2015/5/25
We demonstrate for the first time a 101.5 Gbit/s single-polarization OFDM transmitter based on real-time FPGA processing. We modulate 58 subcarriers with 16QAM.
Real-time IQ Imbalance Compensation for Coherent Optical OFDM Transmission
Fiber optics links and subsystems Coherent communications
2015/5/25
A FPGA-based receiver side (Rx) IQ imbalance compensation scheme for 10.7-Gb/s 16-QAM CO-OFDM transmission is demonstrated in real time. The compensation scheme performs better with the increase of OS...
Real-time CO-OFDM transmitters and receivers for 10.5Gb/s bit-rate implemented in FPGAs are reported applying 10GSa/s converters and entire algorithms for both terminals. The Q-factors are 22.7dB for ...
Real-time Gigabit Ethernet bidirectional transmission over a single SI-POF up to 75 meters
Fiber optics communications Optical Communications
2015/5/25
In this paper we demonstrate 1Gb/s bidirectional transmission over a single SI-POF,over the record distance of 75m. We successfully tested our system running real time Gigabit Ethernet traffic generat...
Real-Time FPGA-Based Intradyne Coherent Receiver for 40 Gbit/s Polarization-Multiplexed 16-QAM
Coherent communications Optical communications
2015/5/25
Real-time detection of a 40 Gbit/s polarization-multiplexed square 16-QAM signal is demonstrated in an FPGA-based intradyne coherent receiver processing 100% of data. A minimum BER of 3.3×10 -5 is ach...
Real-time FPGA-based Coherent Optical Receiver for 1 Gsymbol/s, 64 QAM Transmission
Coherent communications Fiber optics communications
2015/5/25
We demonstrated the first time real-time FPGA-based coherent optical receiver for a 64 QAM transmission. Error free performance (BER < 1x10 -12 ) was achieved under a back-to-back condition and the BE...
Real-Time Optical OFDM Transceivers for PON Applications
Fibre Optical Communications Modulation Fibres single mode
2015/5/25
Recent real-time optical OFDM (OOFDM) research progress is reviewed extensively in terms of adaptive transceiver design, intensity modulators, synchronisation techniques and network architectures. Res...
Realization of a 23.9 Gb/s Real Time Optical-OFDM Transmitter with a 1024 Point IFFT
Realization Optical-OFDM Transmitter Point IFFT
2015/5/20
We report a FPGA-based real time 23.9-Gb/s CO-OFDM transmitter with IQ-mixing with a 1024 point FFT, the largest FFT-size reported to date. For a BER of 10 -3 a required OSNR of 10.8 dB is measured.
Real-Time Evaluation of Optical Nonlinear Effects on 112Gbps PM-QPSK Signal in Dispersion Managed Links
Optical Communications Coherent Communications
2015/5/20
We demonstrate the impact of nonlinear effects on dispersion managed links with a FPGA-based 112Gbps real-time receiver. We clarify that PM-RZ-QPSK provides superior robustness, whereas PM-NRZ-QPSK of...
First Experimental Demonstration of Low-Cost VCSEL- Intensity Modulated End-to-End Real-Time Optical OFDM Signal Transmission at 11.25Gb/s over 25km SSMFs
VCSEL Intensity Modulated OFDM Signal Transmission
2015/5/20
Low-cost, narrow modulation bandwidth, un-cooled VCSELs can be utilized to directly modulate 64-QAM-encoded 11.25Gb/s signals for end-to-end real-time optical OFDM transmission over 25km SSMF IMDD sys...
“Real World” FTTH Optical-to-Radio Interface Performance for Bi-directional Multi-Format OFDM Wireless Signal Transmission
Real World FTTH Optical Radio Interface Performance Bi-directional OFDM Wireless Signal Transmission
2015/5/18
The optical-to-radio and radio-to-optical interfaces in fiber-to-the-home access networks were evaluated for LTE, WiMAX and UWB simultaneous distribution. Successful bi-directional transmission was ac...