搜索结果: 1-12 共查到“工学 Ultra-Wideband”相关记录12条 . 查询时间(0.084 秒)
20-Gb/s Error-Free Wireless Transmission Using Ultra-Wideband Photonic Transmitter-Mixer Excited with Remote Distributed Optical Pulse Train
Photodiodes Radio frequency photonics
2015/5/26
Photonic transmitter-mixers with ultra-wide O-E/modulation bandwidths excited by remote-distributed pulse trains for 20Gbps error-free wireless transmission is presented. The S/N ratios and output pow...
Generation of Ultra-wideband Doublet Pulses Based on Kerr Shutter Using an Elliptically Polarized Beam in Bismuth Oxide-based Nonlinear Optical Fiber
Ultra-wideband Doublet Pulses Kerr Shutter Elliptically Polarized Beam
2015/5/15
We demonstrate a nonlinear signal-processor incorporating a Bismuth-based nonlinear fiber for UWB doublet pulse generation. High quality of doublet pulses is readily generated from the signal-processo...
Design and ground plane optimization of a CPW-fed ultra-wideband antenna
Printed antennas UWB CPW
2011/3/22
In this paper, an ultra-wideband antenna based on an egg-shaped conductor and a co-planar waveguide (CPW) feed is presented. The ground plane incorporates an egg-shaped slot with parametrized center a...
Low-profile, Modular, Ultra-Wideband Phased Arrays
antenna arrays common mode dipole planar arrays SATCOM ultrawideband
2014/11/7
Ultrawideband (UWB) phased antenna arrays are critical to the success of future multi-functional communication, sensing, and countermeasure systems, which will utilize a few UWB phased arrays in place...
Ultra-wideband radio-over-fiber techniques and networks
Fiber optics ptical communications Radio frequency photonics
2015/6/8
This paper summarizes the motivations and results obtained regarding the optical distribution of a 60GHz radio signal throughout buildings to provide users with Ultra-Broad-Band Wireless Home Area Net...
100 GHz Ultra-wideband Wireless System for the Fiber to the Antenna Networks
Fiber optics communications Optical communications
2015/6/8
We experimentally demonstrate an optical ultra-wideband (UWB) (75GHz-110GHz)fiber-to-the-antenna (FTTA) system using our developed W-band near-ballistic unitraveling-carrier photodiode (NBUTC-PD) base...
Novel Generation and Transmission of 2 Gbps Impulse Radio Ultra Wideband over MMF for In-Building Networks Application
Optical communications Radio frequency photonics.
2015/6/5
We propose novel generation technique of IR-UWB pulse by linearly combining two monocycles using different pulse shapes. We experimentally demonstrate DSP based BER measurement of 2 Gbps IR-UWB over m...
Active Ultra-Wideband Tag Design for Concrete Debris Tracking Systems
Ultra-Wideband Tag Concrete Debris Tracking Systems
2010/3/5
Compared with the traditional high-speed video camera measurement method, ultra-wideband (UWB) technology is valuable in the detection and tracing of debris throw during explosion, due to its distinct...
Generation and Transmission of FCC-Compliant Impulse Radio Ultra Wideband Signals over 100-m GI-POF
Transmission FCC-Compliant Impulse Radio Ultra Wideband Signals
2015/7/20
We demonstrate a novel technique for generation and transmission of IR-UWB signals over 100 metres 50- μ m core GI-POF. IR-UWB pulses are made by linearly combining two 3 rd -order derivatives of Gaus...
New Time-Frequency Code Scheme for Bidirectional Ultra-wideband WDM Access Networks
Time-Frequency Code Scheme Bidirectional Ultra-wideband WDM Access Networks
2015/7/15
A novel time-frequency code scheme for bidirectional multiband OFDM ultra-wideband WDM access networks is proposed. Experiment results demonstrate that the scheme can provide simple structure, reducin...
Bi-directional, 480Mbps, Ultra-Wideband, Radio-over-Fibre Transmission Using a 1310/1564nm Reflective Electro-absorption Transducer and Commercially-Available Components
Ultra-Wideband Radio-over-Fibre Transmission Reflective Electro-absorption Transducer Commercially-Available Components
2015/7/31
We present the first experimental demonstration of a bi-directional, reflective, electro-absorption transducer-based, 480 Mbps UWB-wireless/optical transmission system. A -21.4dB error vector magnitud...
Stable and Ultra-Wideband Wavelength-Tunable Actively Mode-Locked Fiber Ring Laser Using a Short Length Bismuth-Oxide-Based Highly Nonlinear Erbium-Doped Fiber
Ultra-Wideband Wavelength-Tunable Actively Mode-Locked Fiber Ring Laser Short Length Bismuth-Oxide-Based Highly Nonlinear Erbium-Doped Fiber
2015/7/30
We demonstrate an actively modelocked laser employing a 151cm-long bismuth-based nonlinear erbium-doped fiber. Stable 10GHz pulses are obtained with an 87nm tuning range covering the CL-band.