搜索结果: 1-7 共查到“工学 Multi-rate”相关记录7条 . 查询时间(0.1 秒)
通过分析Multi-Rate DS/CDMA信号特性,建立的Multi-Rate DS/CDMA系统模型与线性混合的盲源分离模型一致,针对异、同步信号的不同特性,提出不同循环分段降维方法:对异步系统而言,采用2倍扩频周期为间隔对接收信号进行分割,利用Fast-ICA算法盲估计同一扩频周期用户的扩频序列,基于矢量2范数基础上估计各用户失步时间,并依此截取得到各用户的实际扩频序列,然后,循环至次大扩频...
A Consolidated Multi-rate Burst-Mode DPSK Transmitter Using a Single Mach-Zehnder Modulator
Phase modulation Free-space optical comm Optical communications
2015/5/26
We demonstrate phase modulation, pulse carving, and burst-mode windowing in a single Mach-Zehnder modulator, significantly reducing size, weight, power, and complexity of prior three-modulator designs...
Digital multi-rate receiver for 10GE-PON and GE-PON coexistence
GE-PON multi-rate receiver
2015/5/18
We demonstrate an NRZ multi-rate digital receiver capable of receiving upstream TDM traffic line-rates from GE-PON to 10GE-PON, that utilizes a simple optical front end and polyphase DSP at 2 samples ...
Demonstration of Multi-Rate Thresholded Preamplified 16-ary Pulse-Position-Modulation
Optical communications Free-space optical communication
2015/6/9
Sensitive multi-rate optical communication is experimentally investigated on static and fading channels at data rates from 52 Mbps to 311 Mbps using 16-ary pulse-position-modulation,channel coding and...
Multi-rate transmissions on spectral amplitude coding optical code division multiple access system using random diagonal codes
optical code division multiple access (OCDMA) bit error rate (BER)
2011/5/6
In this paper, we study the use of a new code called random diagonal (RD) code for spectral amplitude coding (SAC) optical code division multiple access (OCDMA) networks, using fiber Bragg-grating (F...
High-sensitivity, Multi-rate,Multi-band OLT Receiver for Hybrid 1G / 10G Passive Optical Networks
High-sensitivity Multi-rate Multi-band OLT Receiver Passive Optical Networks
2015/8/3
An OLT receiver that includes a semiconductor optical amplifier, a “soft” optical filter and a PIN photodiode has significantly higher sensitivity, and lower complexity than avalanche photodiode-based...
Multi-Rate (111-Gb/s, 2x43-Gb/s, and 8x10.7-Gb/s) Transmission at 50-GHz Channel Spacing over 1040-km Field-Deployed Fiber
Multi-Rate Transmission Channel Spacing over Field-Deployed Fiber
2015/7/30
111-Gb/s transmission combined with 2x43-Gb/s and 8x10.7-Gb/s on a 50-GHz grid over 1,040-km field fiber and two ROADMs is demonstrated, showing the feasibility of 100G overlaying existing 10G/40G com...