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cdma

于 2014-05-10 发布文件大小:6KB

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下载积分: 1 下载次数: 20

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编写了MATLAB程序生产和扩频码进行仿真，仿真程序从发送方完成通道的接收端，得出在不同的扩频码，在不同的信噪比即误码率的图形比较直接序列扩频通信系统原理，改善系统性能的度(Written MATLAB program to produce and direct sequence spread spectrum communication system principle of spreading codes for simulation, emulation program to complete the channel from the sender to the receiver end, draw graphics comparison at different spreading code, the bit error rate under different SNR i.e., the degree of improvement of the system performance)

文件列表：

chapter10
.........\despread.m,699,2010-11-20
.........\dscdma.m,4968,2011-04-29
.........\ex1.m,74,2010-11-08
.........\ex2.m,360,2011-04-29
.........\ex3.m,370,2011-04-29
.........\goldseq.m,587,2010-11-14
.........\mseq.m,972,2010-11-08
.........\rayleigh.m,1156,2010-07-31
.........\shift.m,672,2010-11-08
.........\spread.m,773,2010-11-20

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bubble-improve
对之前求取细通道内气泡长度和频率的程序进行修改，使之运算速度加快，(Before passage of fine bubbles strike length and frequency of the procedure to be modified, so that the operation speed,)

2013-11-14 16:19:58下载

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等效介质理论参数提取代码
说明：矢量网络法散将射参数转化为介电常数本代码计算需要的输入值为：d(超材料厚度方向的周期常数)，f(频率的变化范围)，S(通过CST或HFSS软件计算得到的散射参数)(The vector network dispersion transforms the radiation parameters into the dielectric constant Input values required for calculation in this code are: D (periodic constant in the direction of metamaterial thickness), F (range of frequency variation), S(scattering parameters calculated by CST or HFSS software))

2021-02-06 00:09:14下载

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huganqi-(2)
说明：基于simulink的互感器仿真，改变参数可以模拟不同因素对线性传变的影响。(Simulink simulation based on the transformer to change the parameters of different factors can simulate the impact of change on the linear transmission.)

2011-04-06 11:23:34下载

积分：1
pr
说明：预测控制程序实用仅供参考。希望对大家有用，(Predictive control utility for reference only. We hope useful,)

2010-05-26 11:45:45下载

积分：1
nodeinsertbeforenodeancestor
param factory document factory, may not be null Source Code for Andriod.

2014-01-13 20:57:29下载

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SYM1
说明： GM（1，1）灰色预测模型预测发展趋势，并确定模型的精确合格度(GM (1,1) gray prediction model predicts the development trend and determines the accuracy of the model)

2020-02-17 22:59:55下载

积分：1
How_to_use_Simulink
说明：一本对simulink讲解很详细的外国资料(1 pairs of simulink in great detail on the foreign data)

2009-07-31 11:11:41下载

积分：1
trail2
m-fsk modulation and de modulation

2010-09-08 01:35:24下载

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icaplot
说明： fastICA 算法的界面平台，主要用于信号的界面展示(fastICA)

2010-04-29 11:33:53下载

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dct
用MATLAB实现图像的离散余弦变换，程序运行结果表明离散余弦变换能够起到压缩图像的目的。(in order to compress the bite of pictur,the program use the DCT to compress.)

2011-09-02 20:56:43下载

积分：1

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