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YYY_DSSS
设计一个四用户的扩频通信系统，扩频增益为N=16，采用Walsh码进行直接序列扩频，BPSK调制，无线信道为AWGN信道。在接收端进行解扩，解调，判决，通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。(Designed a four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct Sequence Spread Spectrum, BPSK modulation, AWGN channel for the wireless channel. At the receiving end for despreading, demodulation, judgments, through the simulation to be one of a user' s bit error rate and SNR of the simulation results.)
- 2009-03-12 23:17:16下载
- 积分：1
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spectrometer
matlab function that is written in matlabbb
- 2009-11-25 10:09:53下载
- 积分：1
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ProcessControl
化工上的程序控制
系统：二阶串联回馈热搅拌器，使用2个热交换器分别对2个串联的搅拌槽加热。
控制策略：我们将利用2个控制阀来控制热交换器，以维持T2和T4的温度在理想的控制范围之内
可计算：GP，GV，GC，误差值时，PID
可做动态测试
附上文件操作及说明档(Chemical process control on
System: Second-order hot mixer series feedback, the use of two heat exchangers in series, respectively, for two stirred tank heating.
Control strategy: We will use the two control valves to control the heat exchanger to maintain the temperature in the T2 and T4 within the scope of the ideal control
Calculated value: Gp, Gv, Gc, the error value, PID
Dynamic testing can be done
Attach file operations and help files)
- 2011-08-03 01:06:40下载
- 积分：1
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ex9
用基带等效方式仿真16-QAM载波调制信号在AWGN下的误码率(With the baseband equivalent simulation 16-QAM carrier frequency modulation signal in AWGN bit error rate)
- 2015-02-28 15:50:14下载
- 积分：1
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shannon
香农编码，给定概率求码字，编码效率，平均码长(Shannon coding, the probability of seeking a given codeword, the coding efficiency, the average yards)
- 2010-06-26 15:32:53下载
- 积分：1
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IFM
LFM经过匹配滤波器后，它了脉压效果，以及他们频谱，对雷达信号处理挺有用。(After LFM matched filter, it has the effect of pulse pressure, as well as their spectrum of radar signal processing quite used.)
- 2008-01-20 18:40:21下载
- 积分：1
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matlab-tech
matlab数学建模 书籍 中文版实用教程 入门级matlab数学建模同学必看(Mathematical modeling matlab Practical Guide Books Chinese edition entry-level mathematical modeling matlab student must see)
- 2014-12-09 17:49:54下载
- 积分：1
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program-and-strcture
一个通信系统的仿真程序，并用simulink模块进行了搭建。(A system of communication simulation program, and the module simulink build.)
- 2011-12-16 19:01:25下载
- 积分：1
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Alamouti-transmission-and-reception
Alamouti方案是为发射天线数为2的系统提供完全发射分集增益的一种空时分组码方案，介绍Alamouti的一种简单的发射方案，包括编码和译码算法及其性能分析，并使用Matlab仿真了Alamouti方案的两发射一接收的情形．(Space-time code of STBC technical coding schemes,a simple transmit and receive way for 2 transmit antenna 1 receive antenna 。)
- 2011-04-28 11:24:40下载
- 积分：1
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zhiwenshibie
基于Gabor滤波器的指纹识别算法，MATLAB程序编写，希望对大家有用(Fingerprint recognition algorithm based on Gabor filters)
- 2015-04-20 20:54:38下载
- 积分：1
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