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MATLAB实现的伪随机序列产生器源代码接收机建模-MATLAB implementation of the pseudo-random sequence generator source code for the receiver modeling
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The .m file simulates a Spread-Spectrum Modulation Trx/Rcx system, in which, the phase of the pseudo-random sequence generated in the transmitter and used to encode the data stream is unknown a priory at the receiver.A parallel search strategy is emp
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The polynomial for the Pseudo Random Binary Sequence(PRBS) generator shall be:
G(15) = X15+X14+1
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IS95中的数据流伪随机序列的产生。用matlab中randn实现-IS95 data streams to be pseudo-random sequence generation. Achieved using randn in matlab
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通信信号处理课程项目,移动通信中的Rayleigh衰落伪随机序列产生器源代码~-Communication Signal Processing course project, in the Rayleigh fading mobile communication pseudo-random sequence generator source code ~
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pseudo random bit sequence generator
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cdma通信过程中信道瑞利衰落模型及m伪随机序列的仿真-cdma communication process for channel Rayleigh fading model and the simulation of pseudo-random sequence m
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扩频通信,从电磁波利用来看,与一般现有的常规通信方式完全不同。扩频通信利用伪随机编码把信息数据(窄带信号)的频谱进行扩展,形成宽带的低功率谱密度信号发射,使用不同的伪随机序列编码,不同通信用户可在同一频段、同一时间工作,互不影响或干扰极小地进行通信。-Spectrum, from the electromagnetic waves used term, and the general existing conventional means of communication is entirel
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产生符合一定分布的随机数的方法是,先产生(0,1)均匀分布的随机数,然后通过一个适当的变换方法得到所要求分布的随机数。常用的均匀分布伪随机序列发生器有线性同余发生器和线性反馈移位寄存器两种。-That meet certain distribution of the random number is first generated (0,1) uniformly distributed random number, then an appropriate transformation metho
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这是一篇很好的有关信道估计的文章,
可以用来快速的了解信道估计的基本内容-In this paper, a method for fast blind estimation
of DS-SS signal is proposed which aims at the
Direct-Sequence Spread- Spectrum (DS-SS) signals
with parameters unknown. Considering the
characteristic th
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这是一篇很好的有关信道估计的文章,
可以用来快速的了解信道估计的基本内容-The estimation of pseudo random sequence is of great
importance of the security in DS-CDMA system, which remains a
hot research topic in reconnaissance and supervision of wireless
communication. In DS-CDMA
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由MATLAB程序产生2Gbi/s的基带OFDM信号先将2^15-1个伪随机序列映射到256个进行4QAM编码调制的子载波上,编码后的OFDM符号再经过IFFT变换将其转换为时域波形,接着添加6.4ns的循环前缀(CP),产生的数据波形再装载到Tektronix任意波形发生器(AWG)中,产生2Gbit/s的基带OFDM信号。基带OFDM信号频谱示意图如图3所示。其中包括256个OFDM子载波256个子载波中200个子信道用来传送数据信号,27个高频和28个低频子信道为了过采样的需要置0,OFD
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MSE OFDM is an adaptive OFDM system which was proposed earlier to meet the overwhelming needs of wireless communication system.we have proposed time slicing technique where cyclic prefix is replaced with pseudo random sequence.
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采用MATLAB编程,产生一个16QAM基带信号,并进行实数倍插值计算。要求符号率为1 MSymbol/s,采用均方根升余弦滤波成形,滚降系数=0.5。产生{…1,0,1,1,…}的伪随机序列,经过映射、4倍成形滤波、FIR半带滤波、实数倍内插滤波,最后输出4.315倍时域/频域响应。给出信号序列经过各级滤波的时域、频域结果-Using MATLAB programming, resulting in a 16QAM baseband signal, and the real multiples
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北斗卫星产生伪随机码的程序,用以模拟输出伪随机序列-Beidou satellite program generates pseudo-random code to simulate the output of the pseudo-random sequence
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通信中常用伪随机序列matlab仿真程序,通过在MATLAB环境下对常用的几种伪随机序列的仿真及性能分析,进而运用组合序列的思想,尝试不同的序列以不同组合方式生成的新的伪随机序列,并用MATLAB分析其性能,得出组合序列的一般的规律,借此推导出了一种新的组合序列——异族Gold组合序列-Through simulation and performance analysis of several commonly use¬ d pseudo-random sequence in the M
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常用的几种伪随机序列的仿真及性能分析,进而运用组合序列的思想,尝试不同的序列以不同组合方式生成的新的伪随机序列,并用FPGA分析其性能,得出组合序列的一般的规律,借此推导出了一种新的组合序列——异族Gold组合序列。-Through simulation and performance analysis of several commonly use¬ d pseudo-random sequence in the FPGA environment, use the ideas of c
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一个伪随机序列的三阶累积量,在许多通信领域可以用到,他是用matlab编写的-A third-order cumulant pseudo-random sequence, can be used in many fields of communication, he is using matlab
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用伪随机序列PN码实现对通信中CDMA的仿真实验(Pseudo random sequence PN code to achieve the simulation of communication in CDMA experiment)
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通过伪随机序列进行频率调制,并对相位连续性进行优化。调制信号的自相关函数可以通过谱修正进行旁瓣抑制(Frequency modulation is performed by pseudo-random sequence and phase continuity is optimized. The autocorrelation function of modulation signals can be sidelobe suppressed by spectral correction)
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