搜索结果: 1-15 共查到“工学 BER”相关记录16条 . 查询时间(0.051 秒)
Empathische Reaktionen gegenüber einem Roboter
Speech Act Calculus Natural Deduction Logic Pragmatisation Redehandlungskalkül Kalkül des natürlichen Schließ ens Logik Pragmatisierung Redehandlung Kalkül
2015/7/15
Es ist bereits bekannt, dass Menschen soziale Reaktionen auf Computer und artifizielle Wesen wie virtuelle Agenten zeigen. Auch für die Mensch-Roboter-Interaktion konnten erste Studien zeigen, dass Me...
Process Development for Spray Drying of Ber (Ziziphus jujube L.) Juice
Juice Process Developmen
2016/6/2
A study was conducted using Lab Spray Dryer (LU-222 Advanced Model, Twin cyclone) to produce spray-dried Ber powder. Thirty two experiment were conducted keeping five different operating variables of ...
Analysis of the Impact of P-Ratio on BER, Q-Factor and OSNR of Radio over Fiber (RoF) System
Rof System OSNR Parameter BER Q-Parameter Fiber Dispersion Matlab 7.0
2013/1/30
The impact of p-ratio i.e. ratio of carrier power to total received RF power at control office (CO) on Bit error rate (BER), Q- performance parameter and Optical signal noise ratio (OSNR) of RoF commu...
Low Reflectivity and High Flexibility of Tin-Doped Indium Oxide Nanofiber Transparent Electrodes
Low Refl ectivity High Flexibility Tin-Doped Indium Oxide Nanofi ber Transparent Electrodes
2015/8/10
Tin-doped indium oxide (ITO) has found widespread use in solar cells, displays, and touch screens as a transparent electrode; however, two major problems with ITO remain: high reflectivity (up t...
FPGA Verification of a Single QC-LDPC Code for 100 Gb/s Optical Systems without Error Floor down to BER of 10 -15
Fiber optics communications Optical communications
2015/5/25
We present FPGA-based emulation results of a single QC-LDPC code with 20% redundancy designed for applications in 100 Gb/s optical transmission systems. Error floor-free transmission can be achieved a...
Wide-range BER Measurement Scheme by Estimating BER of Discarded Frames for 10 G-EPON Systems
Fiber optics communication Optical communication
2015/5/22
This paper describes a new BER measurement method obtaining the BER by estimating the number of error bits in discarded frames using the rate of discarded frames. The BER is obtained precisely by the ...
Measurement of reduced backscattering noise in laser-driven fiber optic gyroscopes
reduced backscattering noise laser-driven optic gyroscopes
2015/8/10
We report what we believe to be the first demonstration of a laser-driven fiber optic gyroscope (FOG) built with an air-core fiber. Its phase noise is measured to be 130 rad/ Hz. W...
Bit error rate (BER) performance of return-to-zero and non-return-to-zero data signals optical code division multiple access (OCDMA) system based on AND detection scheme in fiber-to-the-home (FTTH) networks
spectral amplitudes coding – optical code division multiple access detectionscheme subtraction technique non-return-to-zero (NRZ) and return-to-zero (RZ) pulse generator
2011/5/5
In this paper, we will focus on the modulation format used to create the optical pulses, which are
return-to-zero (RZ), and non-return-to-zero (NRZ). Bit error rate (BER) performance is evaluated
ba...
BER Improvement for RZ-DPSK Receivers Using Saturated Asymmetric Filtering
Semiconductor optical amplifiers input BER demonstrated Phase modulation
2015/6/9
We present a new enhanced receiver for noise degraded RZ-DPSK signals. A highly saturated SOA and a detuned filter are used. An error free detection for an 8 × 10 -6 input BER is demonstrated.
BER Performance of 16-QAM Signals Amplified by Dual- Pump Fiber Optical Parametric Amplifiers
Fiber optics amplifiers oscillators Coherent communications
2015/6/8
We derive analytically the probability distribution function of the excess amplitude noise induced by pump noise transfer in dual-pump fiber optical parametric amplifiers and calculate the signal-to-n...
MIMO空间复用系统的最小BER比特分配
MIMO 空间复用 比特分配
2009/5/13
该文基于最小误比特率(BER)准则，提出了多输入多输出(MIMO)空间复用系统的贪婪比特分配算法和基于二分法的比特分配算法。在总比特速率和每个发射天线分配相等功率的约束条件下，通过比特分配优化每个发射天线的调制方式，改善了系统的BER性能。仿真结果表明，与传统的MIMO系统相比，比特分配的MIMO系统可获得显著的信噪比(SNR)增益；与功率分配相比，比特分配在性能损失很小的情况下减少了每个发射天线...
理论上分析了陆地移动卫星信道(LMSC,Land-MobileSatelliteChannel)在采用六状态马尔科夫(Markov)模型情况下的平均BER(Bit Error Rate,误码率),并分别得到了没有采用分集和采用L分支的MRC分集(Maximal Ratio Combining,最大比合并)情况下平均BER的闭环表达式.在不同环境条件下,并考虑采用分集接收和不采用分集接收时,对BPS...
Fast Experimental BER Extraction of 40 Gb/s Optical Signal Impacted by Jitter, ISI and ASE Noise Using Waveform Sampler
Optical Signal Impacted Jitter ISI ASE Waveform Sampler
2015/8/4
We present a new experimental BER extraction method using a sampling oscilloscope and statistical processing on EDFA noise, photoreceiver noise, jitter and ISI successfully tested on a 40 Gb/s network...
A Stratified Sampling Monte Carlo Algorithm for Efficient BER measurement and its Application to DQPSK Terrestrial Systems
Monte Carlo Algorithm Efficient BER measurement DQPSK Terrestrial Systems
2015/7/31
We propose an efficient stratified sampling algorithm for BER estimation and apply it to FEC-coded DQPSK systems. We measured computational savings up to 70% compared with standard Monte Carlo.
High Performance and Polarisation-Insensitive BER Assessment of a 42.66 Gbit/s All-Optical Clock Recovery
High Performance Polarisation-Insensitivet All-Optical Clock Recovery
2015/7/30
We propose a Bit-Error Rate assessment, and polarisation sensitivity characterization of an all-optical clock-recovery at 42.66 Gbit/s in a system environment.