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Description: 关于simu1:
在simlink运行之前的初始化过程中，完成了信道时延和幅度的估计，多径合成权系数估计
多径合成采用可选EG/MR/MMSE合成
信道可选白噪声信道AWGN和IEEE80.215.3a UWB标准信道模型(CM1-CM4)但为了简化，
这里采用了IEEE80.215.3a给出了信道模型中的仿真数据包(如果你是作超宽带的，信道模型程序和数据可从IEEE80.215.3a网站获取)
和大部分仿真一样，模型中的Eb/No指的是单比特信息符号携带的能量和噪声的比例，监督的讲，在AWGN信道中，Eb/No为4.31db时,误码率0.01
关于zslsimu直接运行simuuwb.m可看到结果)
显然和simu1一样，只是增加了.m文件，修改.m文件中的重要参数:多径数、PN序列长度、PN序列、单个信息码元宽度Tb(单位ns)、每个脉冲宽度Tc(单位ns)、系统的仿真精度Ts(单位ns)、仿真时间
chanidx=1:1是因为考虑信道数据文件太大，不好上传，想得到精确的仿真，同一个信道类型(chantype)，最好仿真100次实现，信道文件可由UWB标准组织下载-on simu1 : simlink operation before the initialization process, completed the channel delay and the magnitude of the estimates, Multi-Path weights estimated Drive synthesis using the optional EG / MR / Synthesis MMSE Channel optional white noise channel AW GN and IEEE80.215.3a UWB channel model (CM1 - CM4) in order to simplify IEEE80.215.3a used here is a channel model for the simulation data packets (if you were for extra-wide belt, channel model and data from IEEE80.215.3a website access) and most simulation, Model of Eb / No refers to the single-bit symbols to carry the message of energy and noise ratio, supervision speaking, In AWGN channel, Eb / No for 4.31db, BER 0.01 zslsimu directly on the operation simuuwb.m can see the result) clearly and si mu1, only increased. m document change
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Size: 39956 |
Author: 海涛 |
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Description: 基于PN序列的同步仿真链路（simulink+m files），收端算法为接受序列与本地序列求滑动相关。-PN sequence based on the synchronous Link Simulation (Simulink m files), Algorithm-admission to accept the sequence with the local demand sliding related sequences.
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Size: 23170 |
Author: 徐 |
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Description: 直接序列扩频通信系统误码率的仿真分析PN码同步方法的比较与仿真-direct sequence spread spectrum communication system BER simulation analysis PN code synchronization method of comparison and Simulation
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Size: 11405 |
Author: 得分人 |
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Description: his packet is a IS-95 baseband simulation for 1 data channel of 9.6 KBps rate.
The simulation is written for static channel and AWGN noise. The packet include:
1) Packet Builder (Viterbi Encoding, Interleaver, PN generation)
2) Modulator (RRC filter)
3) Demodulator (Matched Filter, RAKE receiver)
4) Receiver (HD or SD) (Deinterleaver, Viterbi Decoder).
You should run \"Simulation.m\" function that include all modules.-his packet is a IS-95 baseband simulation f or a data channel rate of 9.6 KBps. The simulatio n is written for static channel and AWGN noise. T he packet include : 1) Packet Builder (Viterbi Encoding. Interleaver. PN generation) 2) Modulator (RRC filter) 3) Dem odulator (Matched Filter, RAKE receiver) 4) Receiver (HD or SD) (Deinterl eaver. Viterbi Decoder). You should run "Simulation. m "function that include all modules.
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Size: 10263 |
Author: volvo827 |
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Description: 拉个朗日插值公式是把Pn（X）的构造问题转化为n+1插值基函数问题的构造！此软件就是拉哥郎日插值的原程序matlab版-Rafah Colon day interpolation formula is Pn (X) issue of the structure into an n-interpolation function of the structure. This software is Barayagwiza few days interpolation procedures for the original version of Matlab
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Size: 4242 |
Author: 蓝景 |
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Description: 这是GPS接收机，基带处理模块中CA码产生模块设计代码，用于码跟踪环。代码设计巧妙，采用了后台机配合的方式，可以灵活产生各卫星的PN码，节约了触发器资源-This is the GPS receiver, Baseband Processing Module CA code generator module design code for the code tracking loop. Code so cleverly designed and adopted a background with the plane, the flexibility to produce satellites PN code, saving resources Trigger
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Size: 3003 |
Author: 吴飞 |
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Description: 直接序列扩频系统是在发端直接用具有高码率的扩频编码去扩展信号的频谱，而在收端用相同的扩频编码进行解扩使扩频信号还原为原始信号的一种扩频方式。直接序列系统中用的编码序列通常是伪随机序列或叫伪噪声（PN）码。要传送的信息经数字化后变成二元数字序列，它和伪随机序列模二相加(或相乘)后变成复合码去调制载波。在直接序列系统中通常对载波进行二进制相移键控调制(BPSK)。当扩频调制后由天线发射出去，在接收机中要有一个和发射机中的伪随机码同步的本地码，对接收信号进行解扩，解扩后的信号送到解调器取出传送的信息-direct sequence spread spectrum system is the originator directly with the high rate of spread spectrum signal coding to the expansion of the spectrum, and the resumption end with the same spread-spectrum coding for despreading spread spectrum signal so that the original signal reverted to a spread-spectrum approach. Direct-sequence system used in the coding sequence is usually pseudo-random sequence, or a pseudo-noise (PN) code. To the transmission of digital information by the following figures into binary sequence, it, and pseudo-random sequence-two together (or multiplication) into a composite code modulation to Carrier. In the direct-sequence system usually right carrier for binary phase shift keying modulation (BPSK). When spread spectrum modulation after the antenna launched, in the
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Size: 877 |
Author: 成兴 |
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Description: adaptive mmse space-time multiuser detection algorithm.m是自适应MMSE空时多用户检测算法 dec multiuser.m是空时解相关多用户检测算法 cd multiuser.m是空时匹配滤波器 ber.m是误码率计算 conver.m是空时PN码产生文件-adaptive space-time multiuser detec tion is algorithm.m MMSE space-time adaptive multi-user detection algorithm dec multi user.m solution when space is multi-user detection algorithm cd multiuser.m was empty when matched filter ber.m error rate is calculated conver.m was empty at the PN code generated
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Size: 3351 |
Author: 陈永强 |
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Description: 这是篇一种利用PN序列的OFDM频率同步，觉得很有用，与大家共同享用。-this chapter is a use of the PN sequence OFDM frequency synchronization, feel useful, and we enjoyment.
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Size: 153772 |
Author: Tony |
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Description: 一个函数,可用于构建CDMA信源,有数据产生的PN码的形成,以及噪声设置-a function can be used to build CDMA source, the data PN formation, and installed noise
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Size: 1063 |
Author: Wendy |
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Description: 扩频通信中的捕获问题，用GOLD码进行扩频， PN码相位捕获，利用捕获的相位，接收机产生偏移的GOLD码，进行解扩和误码率计算-Spread Spectrum Communication capture issue, GOLD spread spectrum code, PN phase acquisition. The capture phase, the receiver have offset the GOLD code for despreading and bit error rate calculation
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Size: 2261 |
Author: mi_kenny |
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Description: PN码生成程序,可以生成L1波段的GOLD扩频码.修改抽头位置可以改变其对应的卫星号.-PN code generation process, generate L1 band GOLD spreading codes. Tap changes its location can be changed, the corresponding satellite.
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Size: 35111 |
Author: Jerry |
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Description: 一:需求分析
1. 问题描述
魔王总是使用自己的一种非常精练而抽象的语言讲话,没人能听懂,但他的语言是可逐步解释成人能听懂的语言,因为他的语言是由以下两种形式的规则由人的语言逐步抽象上去的:
-----------------------------------------------------------
(1) a---> (B1)(B2)....(Bm)
(2)[(op1)(p2)...(pn)]---->[o(pn)][o(p(n-1))].....[o(p1)o]
-----------------------------------------------------------
在这两种形式中,从左到右均表示解释.试写一个魔王语言的解释系统,把
他的话解释成人能听得懂的话.
2. 基本要求:
用下述两条具体规则和上述规则形式(2)实现.设大写字母表示魔王语言的词汇 小写字母表示人的语言的词汇 希腊字母表示可以用大写字母或小写字母代换的变量.魔王语言可含人的词汇.
(1) B --> tAdA
(2) A --> sae
3. 测试数据:
B(ehnxgz)B 解释成 tsaedsaeezegexenehetsaedsae若将小写字母与汉字建立下表所示的对应关系,则魔王说的话是:\"天上一只鹅地上一只鹅鹅追鹅赶鹅下鹅蛋鹅恨鹅天上一只鹅地上一只鹅\".
| t | d | s | a | e | z | g | x | n | h |
| 天 | 地 | 上 | 一只| 鹅 | 追 | 赶 | 下 | 蛋 | 恨 |
-one : a needs analysis. Problem description always use their own fiendish a very concise and abstract language speech Nobody can understand, but the language is gradually explained adult can understand the language, because his language is composed of the following two forms of rule by man's abstract language gradually boost : ---------------------------------------- ------------------- (1) a
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Size: 40036 |
Author: 苏言暖 |
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Description: 磁盘文件最优存储问题，设磁盘上有n 个文件f1, f1,fn，每个文件占磁盘上1 个磁道。这n 个文件的检索概率分别是p1, p2, , pn-document optimal disk storage, disk based on documents n f1, f1, fn. each file on disk for a cylinder. N This document retrieval probability were p1, p2, and pn
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Size: 78885 |
Author: 张三 |
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Description: 学习ＤＥＬＰＨＩ的remobject4
目前我正在学习，有一些问题还没有搞清楚，这是我的第一个学历程序，很多是系统自动生成的
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Size: 41681 |
Author: sdfew |
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Description: 基于AT89C51和DS18B20的最简温度测量系统
温度检测的传统方法是使用诸如热电偶、热电阻、半导体PN结之 类的模拟温度传感器。信号经取样、放大后通过模数转换，再交自单片机处理。被测温度信号从温敏元件到单片机，
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Size: 103983 |
Author: iviney |
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Description: 数据结构课程设计--魔王语言的解析
### ### ### ### ### ####
问题描述:
魔王总是使用自己的一种非常精练而抽象的语言讲话,没人能听懂,但他
的语言是可逐步解释成人能听懂的语言,因为他的语言是由以下两种形式
的规则由人的语言逐步抽象上去的:
-----------------------------------------------------------
1)a---> (B1)(B2)....(Bm)
2)[(op1)(p2)...(pn)]---->[o(pn)][o(p(n-1))].....[o(p1)o]
-----------------------------------------------------------
在这两种形式中,从左到右均表示解释.试写一个魔王语言的解释系统,把
他的话解释成人能听得懂的话.
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Size: 2633 |
Author: hongbingjun |
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Description: PN码发生器的matlab程序，对于写vhdl代码有很重要得参考价值
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Size: 841 |
Author: ylt |
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Description: 已知f(xn)=yn ,n=0,1,2,…,N；求通过这N+1个节点{（xn，yn）| n=0,1,2,…,N }的插值函数Pn (x)。 设计出具体的程序，分别使用拉格朗日插值，牛顿插值和三次自然样条三种算法绘制出相应的插值曲线。用三条不同颜色的曲线来表示三种插值方法在一段区间内的插值函数。要求动态显示曲线绘制全过程。
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Size: 16190 |
Author: jack |
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Description: 直接序列扩频通信中PN码同步技术的研究，对于研究伪随机序列和扩频通信的人很有帮助哦、
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Size: 84774 |
Author: caidan |
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