搜索资源列表
Corre_for_xianxingtiaopin
- 扩频通信中采用的线性调频算法用的复相关算法-spread spectrum communications using the linear FM algorithm of multiple correlation algorithm
我的matlab函数库
- 这里是我得一些常用函数库,主要用于扩频通信系统仿真-here is that I have some common functions, mainly for spread spectrum communications system simulation
DS-CDMA
- 扩频通信的matlab源程序,里面有文档说明-spread spectrum communication source of Matlab, there are documents note
CDMA_matlab
- mc-cdma扩频通信系统中误码率分析仿真与编写-mc-CDMA spread-spectrum communication system BER simulation and analysis prepared
upds
- 直接序列扩频通信可以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。在接收端,原伪噪声序列和所收信号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。-direct sequence spread spectrum communication can be effective resistance from the channel narrowband
work
- 扩频通信中遭遇到了窄带干扰后,系统的仿真-Spread Spectrum Communication encountered a narrow-band interference, the system simulation
CDMA
- 本此设计主要目的是掌握并验证多址技术的相关内容,不涉及移动业务的相关技术。通过学习CDMA宽带无线通信技术,掌握直接序列扩频通信的基本理论,掌握基于LabVIEW的通信系统基本设计和仿真方法,利用LabVIEW设计一个包括发送模块和接收模块在内的简单CDMA基带通信系统,实现信号的码分多址,扩频发送和同步接收等功能。-failed to translate
DS_CDMA_communication_system
- 这个仿真程序用于实现DS-CDMA通信系统仿真,包含三种扩频码的选择,QPSK调制解调,瑞利信道衰落等。-The simulation program used to implement DS-CDMA communication system simulation, including the choice of three types of spreading codes, QPSK modulation and demodulation, Rayleigh fading channel a
m_sequence
- 根据任意多项式生成m序列,就是伪随机序列了,扩频和跳频通信常用-m-sequence generator
hvvCDMA
- 在MATLAB环境下实现了CDMA通信系统仿真,程序流程为:随机序列产生--WALSH码扩频--BPSK调制--加入(和不加入)高斯白噪声--BPSK解调--WALSH码解扩,对过程波形进行了存储,对加噪与不加噪情况下的解码结果进行了对比,并绘制出信噪比与误码率关系图。-In the MATLAB environment to achieve a CDMA communication system simulation, the program flow as follows: random s
009
- 利用matlab对IS-95前向链路系统的仿真,包括扩频调制,匹配滤波,RAKE接收等相关通信模块,仿真环境为加性高斯白噪声信道. -Using matlab on the IS-95 forward link system simulation, including the spread spectrum modulation, matched filter, RAKE receiver and other related communication module, the simula
smartjam
- 灵巧干扰对直接序列扩频信号发射机和接收机的干扰仿真程序,包括通信发射机电路、接收机捕获电路、码跟踪电路、载波捕获电路、防假捕电路、信噪比估计电路和数据解调电路-Smart interference on direct sequence spread spectrum signal transmitter and receiver interference simulation program, including communications transmitter circuit, recei
freq-hop-spread-spectrum
- 跳频扩谱通信matlab代码,实现跳频通信系统仿真。-Matlab code for frequency hopping spread spectrum communications, to achieve frequency hopping communication system simulation.
fh_spr
- 跳频扩频通信系统的主要仿真程序,包括扩频,测试和演示-The main frequency hopping spread spectrum communication system simulation program, including spread spectrum, testing and demonstration
DS_CDMA
- 这是一个相对完整的直接序列扩频码分多址的通信系统的仿真设计,包括编码,扩频调制,解调和解码等模块,并统括系统性能的仿真,验证了系统设计的可靠性。-This is a relatively complete direct sequence spread spectrum CDMA communications system simulation design, including coding, spread spectrum modulation, demodulation and decodi
DS-and-matlab
- 直扩频通信中的伪码仿真及其matlab仿真-Direct Spread Spectrum Simulation and matlab simulation of pseudo code
基于FPGA直接序列扩频系统的设计
- 针对一般无线通信系统抗干扰、抗噪声以及抗多径性能力差的缺点,提出了一种基于FPGA 的直接序列 扩频系统设计。该设计采用63 位的pn 码作为扩频调制的码序列,在发送端,对信息码进行扩频调制; 在接收端,对 收到的扩频调制信号进行解扩,增强了系统的抗干扰性和可靠性。同时在Altera 公司的Quartus II 软件中,使用硬件描 述语言VHDL 和原理图相结合的方法进行了电路的设计实现。通过把电路下载到Altera 公司的CycloneIII 的 EP3C10E144C8N 芯片中调试
kuopin
- 计算通信信道的信噪比,以及带宽,明显提高了信噪比和带宽。(The signal-to-noise ratio and bandwidth of the communication channel are calculated, and the signal-to-noise ratio and bandwidth are improved obviously.)
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.)
跳频仿真
- MATLAB跳频仿真源代码,展示了整个跳频通信过程,包括信号源产生、2FSK调制、跳频扩频、跳频解调、2FSK解调、抽样判决、恢复原始信号过程,适合初学者(MATLAB frequency hopping simulation source code, showing the entire frequency hopping communication process, including signal source generation, 2FSK modulation, frequency