搜索结果: 1-15 共查到“光信息技术 time”相关记录45条 . 查询时间(0.218 秒)
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-...
Discovering hidden architectures of ancient time: 3d data survey to reveal the myth of mithra in Santa Maria Capua Vetere
Databases System Cultural Heritage Virtual Archaeology 3d modelling Mithraea Laser scanner
2014/7/30
The research illustrated in this paper is part of a wider testing ground, aimed at identifying and developing processes of le arning and development taking place in archaeological contexts. These site...
GEO-REFERENCED MAPPING USING AN AIRBORNE 3D TIME-OF-FLIGHT CAMERA
Range Imaging UAV real time 3D geometric mapping elevation model
2014/6/5
This paper presents the first experience of a close range bird's eye view photogrammetry with range imaging (RIM) sensors for the real time generation of high resolution geo-referenced 3D surface mode...
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...
The dynamics of domain formation in a GdTbFeCo film during a full cycle of thermomagnetic (TM) recording has been studied by a time-resolved polarized-light
microscope. The microscope has 5 ns tempor...
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...
OTDM-WDM Conversion Based on Time-Domain Optical Fourier Transformation with Spectral Compression
Optical communications Nonlinear optics four-wave mixing.
2015/5/21
We propose a scheme enabling direct serial-to-parallel conversion of OTDM data tributaries onto a WDM grid, based on optical Fourier transformation with spectral compression.Demonstrations on 320 Gbit...
Demonstration of 28-40-Gbaud, OOK/BPSK/QPSK Data- Transparent Optical Correlation with Control/Tunability over Time Delays, Phases and Number of Taps
Fiber optics communications Nonlinear optical signal processing
2015/5/21
We demonstrate a tunable optical correlator for amplitude and phase modulated signals up to 4-symbol-long patterns using conversion/dispersion based delays. We observed ~1-dB sensitivity penalty (at 1...