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m_PN.rar
- 伪随机码或称PN码,是扩频通信中不可缺少的一种序列。扩频通信,简单的说来就是通过一组相关性很强的伪随机序列,使原有的信号按照伪随机序列的特性出现。从波形上看,原有信号完全淹没于随机的噪声中,达到隐藏信号和抗干扰的目的。接受方只要有相同的伪随机序列,就可以通过伪随机序列很强的相关性将信号还原出来。而m序列,是扩频系统中最长用的伪随机序列。下面的代码就是基于matlab的生成m序列的代码,通过改变初始多项式的值,就可以生成不同阶数的m序列。,Pseudo-random code or PN code
pn42
- 此代码是cdma2000基带信号处理过程中pn长码的产生算法程序。-This code is cdma2000 baseband signal processing algorithms pn long code generation process.
Performance_Analysis_of_PN_Code_Acquisition
- 文章中主要阐述了PN码的捕获,并对以前的各种捕获方法进行了改进。得出了基于FFT的快速捕获算法!-Abstract-A FFT-based parallel acquisition algorithm for Direct Sequence/Spread Spectrum radio navigation system is studied to solve long PN code acquisition using serial method. Frequency domain
Infocom11_LongPNCode_Fu
- In this paper, we investigate unidentified crimes committed through anonymous communication networks. We developed a long Pseudo-Noise (PN) code based Direct Sequence Spread Spectrum (DSSS) flow marking technique for invisibly tracing suspect