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3paper3
新型改进光双二进制传输的编解码方案
提出了改进型光双二进制信号在高速率(≥10Gbit／s)传输时预编码的一种新方案。通过分析编解码过
程，证明该信号传输时不易受码间干扰影响，能用二进制强度调制一直接检测的系统接收信号。仿真产生了该信
号的2种码型。结果表明，采用色散补偿技术能使MD NRZ和MD．RZ信号在长距离传输后克服眼图失真，MD-RZ
信号比MD．NRZ信号在传输后有更低的误码率。(Abstract：Anovel pre-coding schemeformodified optical duobinary signalswasproposed．It couldbe applied to缸ansmit
high speed data mte signals(≥ 10Gbit／s)．Through analyzing the process of coding and decoding，It Was demonstrated
thatmodified opticalduobinary sign alshave capabilityin reductionofpulse—to-pulseinteraction
，
and couldbe di．
recaymeasured through aconventionalbinaryintensitymodulationdirectdetection(IM—DD)receiver．Twomodified optical
duobinary sign als’formats were simulated to generate．Sim ulation results show that MD．NRZ and MD-RZ signals’
formats Can avoid the eye diagrams’distortion for long—distance transmission，if the dispersion Can be compe nsated in
each amplifier span．Moreover,theMD-RZ signalhaslowerBER than theIVID-NRZ signal afterlong-distance comm．unication．)
- 2011-02-07 18:23:49下载
- 积分：1
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Fisher_student
用matlab实现两类样本fisher算法，可以自己改变输入样本数，和判决样本，但是只分了两类，如果需要更多类在这个基础上研究一下就好(The matlab realize two types of samples fisher algorithm can change the number of input samples, and judgment sample, but divided into only two categories, if you need more class look like on this basis)
- 2013-04-01 20:27:41下载
- 积分：1
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ft_preprocessing
preprocessing in fMRI
- 2013-04-25 21:13:20下载
- 积分：1
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LFM
线性调频脉冲压缩过程中所有仿真结果和代码(Chirp compression process simulation and code all)
- 2013-12-04 21:55:44下载
- 积分：1
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MATLAB-SIMULINK
matlab和simulink的进阶书籍，适合控制类专业的学生(Advanced matlab and simulink books suitable for the control class professional students)
- 2012-10-11 09:59:38下载
- 积分：1
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guiExmaple
use matlab to control mouse
- 2009-12-12 16:52:58下载
- 积分：1
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MATLAB-homework
Matlab程序设计与应用习题精选！练习完这些习题后，对matlab的掌握会得到很大的提高。(Selection the Matlab program design and application exercises! Practice these exercises, mastery of matlab will be greatly improved.)
- 2012-09-17 14:02:58下载
- 积分：1
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QPSK
QPSK调制后产生QPSK信号，QPSK信号分别通过AWGN信道、Rayleigh衰减信道和Rician衰减信道，分别通过QPSK解调出数字信号，通过输入与输出数字信号的对比计算出仿真过程中的传输误比率，并将其与各衰减信道的理论误比率进行对比(Generate QPSK signal QPSK modulation, QPSK signals through AWGN channel, Rayleigh fading channel and Rician fading channel, respectively, through the QPSK demodulation of digital signals by comparing input and output digital signals to calculate the simulation process of transmission error rate, and to compare with the theoretical error rate for each decay channel)
- 2021-02-24 19:09:39下载
- 积分：1
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Rapid-Acquisition-of-Doppler-Shift-
本文提出了一种适用于低轨卫异扩频通信系统的多普勒频移快捕方法.该方法基于数字匹配滤波器及自动频率控制环路_利用数字匹配滤波器的囚码快捕特性及其输出主相关峰值对频偏的敏感性，缩短多普勒频移的
捕获时间.论文首先推导了多普勒频移的平均捕获时间表达式，然后根据数值分析结果得到了准最佳捕获判决策略，最后通过比较验证了该快捕方法相对于传统串行捕获方法在性能上的提高.
(This paper presents a low-orbit health for different spread spectrum communication system fast catching the Doppler shift method, which based on digital matched filter and automatic frequency control loop _ prisoners using digital matched filter code features rapid acquisition and the output of the main correlation peak frequency deviation of the sensitivity of the Doppler frequency shift to shorten acquisition time. paper first derive the mean Doppler shift acquisition time expression, then the numerical results obtained quasi-optimal capture decision strategies, and finally verified by comparing with the rapid acquisition method to capture the traditional method of serial improvement in performance.)
- 2011-10-22 19:35:00下载
- 积分：1
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Matlab_robot_toolbox
Matlab机器人工具箱，包含了PUMA机械臂、移动机器人模型及机器人相关基础技术的toolbox，使用时请按说明使用。(Matlab robot toolbox contains PUMA manipulator, mobile robot model and the robot the underlying technology toolbox, when used in accordance with the instructions for use.)
- 2013-04-25 12:05:26下载
- 积分：1
