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2下载：
本程序应用了混沌序列作为伪码生成器对直接扩频系统进行了仿真，并在多用户情况下作了仿真-the application procedures as a chaotic sequence of pseudo-code generator directly to the spread spectrum system simulation, Multi-user and the circumstances made Simulation
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This is a code for simulation of BPSK receiver using Direct Sequence Spread Spectrum. The performance is evaluated in presence of AWGN and Rayleigh fading.
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单用户多载波时频域联合cdma扩频的仿真，使用类编程。包含发送，信道，接收3个类。有联合扩频，调制，FFT变换，高斯信道和瑞利，解调，解扩，统计误码率等功能，减小仿真点数可使程序运行更快。,Single-user multi-carrier cdma joint time-frequency domain spread spectrum simulation, the use of programming. Send contain, channel, receiving three categ
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一个四用户的扩频通信系统，扩频增益为N=16，采用Walsh码进行直接序列扩频，BPSK调制，无线信道为AWGN(加性高斯白噪声信道)信道(AWGN信道：不考虑通信信道信号时，由宽频范围描述的统计随机无线噪声。)。在接收端进行解扩，解调，判决，通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。,A four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct
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直接序列扩频DSSS，
跳频扩频FHSS，
码分多址CDMA编译码，
的实现,the realization of Direct Sequence Spread Spectrum DSSS, frequency hopping spread spectrum FHSS, Code Division Multiple Access CDMA codec,
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基于Visual C++下的BPSK信号的调制和解调，中间有扩频部分-Based on Visual C++ signal under BPSK modulation and demodulation, spread-spectrum part of the middle
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SPREAD SPECTRUM MODULATION TECHNIQUES
-spread spectrum - those modulation methods that are producing a signal whose
spectrum is more wider than of the data signal, the occupied frequency band being
independent by the signal of data band.
-The sig
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程序仿真了关于扩频系统在两种信道下的误码率,Process simulation of the spread spectrum system in about two channel BER
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扩频隐写算法,希望对学习信息隐藏的同学有帮助-Spread-spectrum steganography algorithm, in the hope that students learn information hiding help
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详细介绍直接序列扩频原理，估计扩频信号的参数方法。-Introduced the principle of direct sequence spread spectrum, spread spectrum signal parameters estimation method.
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Spread-spectrum techniques are methods by which electromagnetic energy generated in a particular bandwidth is deliberately spread in the frequency domain, resulting in a signal with a wider bandwidth. These techniques are used for a variety of reason
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audio watermarking using spread spectrum
test_main
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扩频通信系统及MATLAB仿真, 针对cdma的系统仿真完整的matlab源代码-Spread spectrum communication systems and MATLAB simulation, the system simulation for cdma complete source code matlab
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带干扰的直接序列扩频通信系统,PN码由m序列产生器产生，经过高斯白噪声信道。在接收端接收到的信号包括“有用信号+高斯白噪声+干扰”，将接收信号进行解扩，判决，得到用户的信号检测结果，绘制不同的扩频增益（增益值为10，30，50）下，误比特率随信噪比Eb/N0的变化曲线。-the direct sequence spread spectrum with interference communication system
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基于FPGA的扩频接收机（直扩）vhdl编写的，最好在quartus环境运行。-FPGA-based spread spectrum receiver (DS) vhdl prepared, the best environment to run in quartus.
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一种基于混合变换域的双重扩频盲水印算法A Hybrid transform domain spread spectrum watermarking algorithm for the dual-A Hybrid transform domain spread spectrum watermarking algorithm for the dual
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介绍了扩频通信的相关知识，还有扩频通信数字基带通信基础，有参考价值-Describes the spread-spectrum communications-related knowledge, as well as spread spectrum communication digital baseband communications infrastructure, a reference value
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描述了基于FPGA的扩频通信系统的设计，对系统中的各个模块的设计进行了介绍。-Describes the spread spectrum communication system based on FPGA,the design of the various modules in the system were introduced.
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扩频通信的重点介绍和讲解 对扩频通信可以有一个全面了解 需要的可以-A comprehensive understanding of the need to look at the highlights and explanation of the spread spectrum communication spread spectrum communication
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基于matlab的扩频通信仿真,上海交通大学-simulation of the spread spectrum communication system based on matlab
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