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grafix-1.4.tar
- 序员通过图形用户界面为X-windows来编写程序,主要一类库是直接实例化窗口对象 并得出新类,许多现实的实例程序。-sequence passage graphical user interface for X-windows to prepare procedures, the main library is a direct example of the object and the window reveals a new category, many of the practical
松斋 经典功率谱估计
- 接法又称周期图法,它是把随机序列x(n)的N个观测数据视为一能量有限的序列,直接计算x(n)的离散傅立叶变换,得X(k),然后再取其幅值的平方,并除以N,作为序列x(n)真实功率谱的估计。 -Connection also known as cycle map, it is random sequence x (n) N observational data as a sequence of limited energy, direct calculation x (n) the discr
06012701377504
- LL(1)文法判定(C#) SimpleLL1目录下为源程序 EXE目录下为编译好的可执行文件 Product1.txt~Product4.txt为测试用产生式(可直接在程序中加载) Symbols.txt为测试用符号集(可直接在程序中加载) 转载或引用请注明出处:www.shootsoft.net -LL (1) grammar found (C#) SimpleLL1 directory of the source of EXE directory compil
hbmming
- 带汉明码的直接序列变换DSSS,直接序列变化中采用了hamm编码方式-Direct sequence with hamming code transformation DSSS, hamm coding method is adopted in direct sequence changes
zhikuo
- 是一篇关于直接序列扩频的外文介绍,包括其原理和特点(This is an introduction to direct sequence spread spectrum (DSSS))
DSSS
- Direct Sequence Spread Spectrum (DSSS)
UWB1
- 直接序列扩频超宽带信号产生程序,包括 单脉冲形成 ,BPM调制,DS扩频,脉冲成形发射(Direct sequence spread spectrum ultra wideband signal generator)
DS扩频仿真
- 该系统由matlab实现,包括信号的产生、传输、调制、解调、解码等一系列的过程的模拟。(Direct Sequence Spread Spectrum)
RDPAHK00
- 带汉明码的直接序列变换DSSS,直接序列变化中采用了hamm编码方式(Direct sequence with hamming code transformation DSSS, hamm coding method is adopted in direct sequence changes)
comearison
- 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(Bit error rate of direct sequence spread spectrum communication system simulation analysis of the comparison of PN code synchronization method and simulation)
Coda
- GPS直接序列扩频通信系统CA码产生模块(CA code generation module of GPS direct sequence spread spectrum communication system)
直接序列扩频系统仿真
- 建立了直接序列扩频系统的matlab仿真模型,在信道中存在高斯白噪声和干扰的情况下,对系统的在不同扩频增益下的误码率性能进行了仿真及分析,分析了扩频码的自相关性、误码率、性噪比。(A matlab simulation model of the direct sequence spread spectrum system, the existence of Gauss white noise and interference in the channel under the condition
DS
- 实现直扩系统的simulink仿真,采用BPSK调制,可以直观理解直接序列扩频通信系统的工作原理(The realization of direct sequence spread spectrum communication system can be understood intuitively by the realization of Simulink simulation of DSSS and BPSK modulation.)
dsss_spreadspectrum
- 主要实现直接序列扩频调制,解调。信道采用高斯白噪声信道。(The main realization of direct sequence spread spectrum modulation, demodulation. The channel adopts gaussian white noise channel.)
直接序列扩频通信仿真
- 使用simulink搭建一个直接序列扩频调制系统模型,能够正常运行,有时域波形和频谱波形。(Simulink is used to construct a direct sequence spread spectrum modulation system model, which can operate normally, with time domain waveform and spectrum waveform.)
Desktop3
- 主要研究了直接序列扩频系统,建立了直接序列扩频系统的matlab仿真模型,在信道中存在高斯白噪声和干扰的情况下,对系统的在不同扩频增益下的误码率性能进行了仿真及分析。(The direct sequence spread spectrum system is studied, and the MATLAB simulation model of direct sequence spread spectrum system is established. Under the condition o
DSSS_Matlab程序
- 所谓直接序列扩频,就是直接用具有高码率的扩频码序列在发送端去扩展信号的频谱。而在接收端,用相同的扩频码序列去进行解扩,把展宽的扩频信号还原成原始的信息。(Direct sequence spread spectrum (DSSS) is used to expand the spectrum of the signal directly at the transmitter side with high bit rate spread spectrum code sequence. At the
DSSSDQPSK无同步M文件
- 基于DQPSK的直接序列扩频系统,包括调制解调等模块。(Direct sequence spread spectrum system based on DQPSK, including modulation and demodulation module.)
5
- 5. 在三条径的瑞利信道中,对于直接序列扩频: (1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法,接收机分别采用等均益合并、最大比合并。用Simulink进行仿真,画出比特信噪比与信道估计均方误差的关系曲线和比特信噪比与误码率的关系曲线。 (2) 设频率已经同步,请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法,用Simulink进行仿真,画出比特信噪比与捕获概率的关系曲线。 (3) 设时间已经同步,请设计DS-CDMA一种具体的频率同步方法,用Simulink进行
直接序列扩频水印的嵌入与提取
- 实现直接序列扩频水印的嵌入与提取。基于待嵌入消息生成二进制水印序列,生成扩频码,用消息序列调制生成水印序列。依次处理灰度图像的每一个载体图像像素,根据相应位置 水印序列完成嵌入修改。(Realize the embedding and extraction of direct sequence spread spectrum watermark. The binary watermark sequence is generated based on the message to be embed