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dsss
- this code for direct sequence spread spectrum.. where each msg signal is spreaded by pn random sequence-this is code for direct sequence spread spectrum.. where each msg signal is spreaded by pn random sequence
DSSS_system
- 用Matlab仿真直接序列扩频系统 用Matlab仿真直接序列扩频系统-Matlab program for DSSS system
4op8qr.ZIP
- 基于最大熵PDF估计的DSSS系统抗窄带干扰技术Based on the maximum entropy estimation system of PDF DSSS narrow-band interference excision technique-Based on the maximum entropy estimation system of PDF DSSS narrow-band interference excision technique
DSSS
- Direct Sequence Spread Spectrum
EditTable
- dsss w-dsss wsssssssssssssssssssssssssssssssssssssssssssssssssssssssss
spreadspectrum
- In a normal communication channel, it is often desirable to concentrate the information in as narrow a region of the frequency spectrum as possible in order to conserve available bandwidth and to reduce power. The basic spread spectrum technique, on
dsss_vs_undsss
- 通信课程设计，直扩码的BER-SNR分析，dsss和bpsk调制，包括发送端与接收端，不同的码长在awgn信道下的性能分析。-Communication curriculum design, the DS code BER-SNR analysis, the DSSS, and bpsk modulation, including the sending end and receiving end, the performance of different code length in awgn
DSSS
- 实现直接序列扩频通信系统的仿真 其中有m序列的生成函数以及BPSK的调制解调-Realize the direct sequence spread spectrum communication system simulation Among them are m series generating function of BPSK modulation and demodulation
mod_demod_64QAM
- 基于MATABLE的DSSS和BPSK数字通信系统实现-Realization of the DSSS BPSK digital communication system based on MATABLE
code
- Wincupl DSSS CDMA trasmitter reciever to send and recieve CDMA data on a network
dsss
- 简单的扩频码调频码的matlab实现，能够对比扩频通信前后的误码率-Spreading code, FM code Matlab realization of great reference value
MDDSSS_Matlaaa
- 直接序列扩频Matlab程序源码 直接序列扩频通信能有效地抵抗来自信道中的窄带干扰。在一个直扩通信系统中，扩频是通过伪噪声序列(PN)对发送的信息数据进行调制来实现的。在在接收端，原伪噪声序列与所收信号的的相关运算可将窄带干扰扩展到DS信号的整个频带，使干扰等效为幅度较低频谱较平坦的噪声；同时，将DS信号解扩，恢复原始信息数据。 可直接使用。 -Direct Sequence Spread Spectrum Matlab program source code direct sequence
dsss-and-matlab-simulation
- 扩频通信系统及MATLAB仿真 先阐述了扩频通信的基本原理、主要性能指标及其工作特点,然后根据香农定理和柯捷尔尼可夫潜 在抗干扰理论,借助MatLab工具箱和MonteCarlo仿真算法,建立了直接序列扩频通信系统仿真模型.通 过分析无干扰时的误码率仿真曲线与理论计算值,证明了所建仿真模型的正确性。 -The spread spectrum communication system and MATLAB simulation first elaborated the basic
zhikuotonxin
- 使用matlab中的sinmulink对直扩通信系统进行仿真。使用高斯信道，分析误码率-Using Matlab in sinmulink DSSS communication system simulation. Gaussian channel analysis of bit error rate
simu
- DSSS system with interference
dsss
- direct sequence spread spectrum using simulink
dtsII91
- In telecommunications, direct-sequence spread spectrum (DSSS) is a modulation technique. As with other spread spectrum technologies, the transmitted signal takes up more bandwidth than the information signal that modulates the carrier or broadcast fr
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
DS_CDMA
- 基于DSSS的CDMA系统的matlab仿真代码，包括发送端和接收端的调制解调器实现，以及信道的仿真。-Based on the the DSSS CDMA system matlab simulation code, including the sending and receiving ends of the modem, as well as the simulation of the channel.
DSSS
- 简单的直接序列扩频程序，讲座不同信噪比情况下系统的误码率。出于简单考虑，信道噪声采用高斯白噪声。-Simple Direct Sequence Spread Spectrum program, lectures BER SNR. Sake of simplicity, the channel noise Gaussian white noise.