搜索结果: 1-7 共查到“光信息技术 UWB”相关记录7条 . 查询时间(0.102 秒)
一站固定式双基地低频UWB SAR具有方位移变的距离徙动和较长的合成孔径，这导致其距离方位耦合变得非常复杂，从而限制了频域算法的应用.为此，本文提出一种基于椭圆极坐标的一站固定式双基地低频UWB SAR FFBP算法.基于一站固定式双基地SAR的成像几何，分别推导了直角坐标与椭圆极坐标下后向投影算法的解析表达式，并讨论了双基地FFBP算法中采用椭圆极坐标的优势.然后分别从频带和斜距误差角度推导了子...
Transmission of Multi-Band OFDM-UWB Signals along NG-FTTH Networks using Directly Modulated Lasers
Modulation Optical communications
2015/5/26
Transmission of multi-band OFDM-UWB signals along FTTH networks using directly modulated lasers is experimentally evaluated. Reach of 100 km of standard SMF is achieved with a BER below 10 -4 and an O...
5 Gbps IR-UWB Signal Generation and Fiber Transmission Based on Optical Pulse Compression
Radio frequency photonics Optical communications
2015/5/22
Tunable optical pulse compression is proposed to generate the FCC compliant impulse radio utra-wideband (IR-UWB) pulses with high speed modulation. Experimental generation and transmission of up to 5 ...
Robust BPSK Impulse Radio UWB-over-Fiber Systems Using Optical Phase Modulation
Coherent communications Radio frequency photonics
2015/5/22
The impact of fiber dispersion on the performance of optical phase modulated impulse-radio-ultrawideband (IR-UWB) signals is experimentally investigated. 2Gbps BPSK IR-UWB over 78km fiber transmission...
Service Multicasting by All-Optical Routing of 1 Gb/s IR-UWB for In-Building Networks
Multicasting All-Optical Routing IR-UWB Building Networks
2015/5/18
We propose and demonstrate, for the first time, service multicasting by all-opticalrouting of 1 Gb/s IR-UWB using XGM of SOA. This technique has potential applications for integrating IR-UWB with WDM ...
Bidirectional 3.125 Gbps Downstream / 2 Gbps Upstream Impulse Radio Ultrawide-band (UWB) over Combined Fiber and Wireless Link
Fiber optics communications Fiber optics links subsystems
2015/6/8
We demonstrate bidirectional fiber and wireless transmission of impulse radio ultra-wideband at 3.125Gbps downstream and 2Gbps upstream. After transmission over 50km fiber and 1.85m wireless link both...
3.125 Gb/s Impulse Radio UWB over Fiber Transmission
Gb/s Impulse Radio UWB Fiber Transmission
2015/7/17
We demonstrate 3.125 Gb/s photonic impulse radio UWB generation using an uncooled distributed feedback laser. After 50km fiber transmission the signal is recovered without errors using a digital signa...