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DS_kuopin_simulation
- 通过Monte Carlo仿真,说明DS扩频信号在抑制正弦干扰方面的有效性。用一均匀随机数发生器产生某个二进制信息符号的序列,每个信息比特重复Lc次。 包含文件:DS_restrain_interference.M SS.M-through Monte Carlo simulation, note DS spread spectrum signal sinusoidal interference in inhibiting the effectiveness. Using a unif
DSCDMAmontcarlosimulation
- 通过蒙特卡罗仿真说明直接序列扩频系统在抑制正弦干扰的有效性-Monte Carlo simulation shows direct sequence spread spectrum system in the sinusoidal interference inhibited the effectiveness
ds_ss
- 这个是直接序列扩频通信系统在不同信噪比下抑制正弦干扰的仿真的主程序和子程序-This is a direct sequence spread spectrum communication system with different signal-to-noise ratio under sinusoidal interference suppression of the main program and Simulation Subroutine
xinyuan
- 用MATLAB实现的扩频通信发送信号的仿真,并加入人为干扰...
sequence_spread
- 一段简单的扩频matlab 程序 加噪声与同频干扰,增益20
identification
- 使用FFT变换在频域对宽带扩频信号中的正弦干扰信号进行识别和抑制,其中扩频信号由1024点的伪随机序列表示-FFT transform the use of broadband in the frequency domain spread spectrum signal of sinusoidal interference signal identification and suppression, in which spread spectrum signal points from 1024
DS
- 通过MONTE CARLO仿真说明DS扩频信号在抑制正弦干扰方面的有效性-MONTE CARLO simulation shows through the DS spread spectrum signal is sinusoidal interference suppression in the effectiveness of
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
kuopin
- 直序扩频系统,首先基带信号通过脉冲成型,m序列扩频然后进行BPSK调制发送,接收端接收到信号加干扰和噪声,进行解调和解扩恢复原始信号。- The straight foreword wide frequency system, the first baseband signal through the pulse formation, the m sequence wide frequency then carries on BPSK the modulation transmission, t
TestWelchFM
- 周期图法在雷达信号处理、目标检测、以及目标跟踪中有重要作用。他的主要特点为从噪声中将所需要的周期信号的特征以功率谱的形式表征出来,通过设置合适的阈值可以代表目标。调频信号则是典型的脉冲压缩信号,其扩频特性使得其不易受噪声干扰。-Periodogram in radar signal processing, target detection, and target tracking plays an important role. His main characteristics will be
DSSS
- 基于matlab的直接序列扩频系统抗干扰性能仿真-Simulation of Anti-jamming Performance of Direct Sequence Spread Spectrum Communication System Based on MATLAB
danyin_f
- 扩频通信条件下单音干扰仿真,可以调节单音干扰的频率变化显示不同仿真结果-Under Interference Rejection Spread Spectrum Simulation
danyin_Q
- 扩频通信条件下改变单音干扰的相位,仿真相位变化队伍码率的影响-Spread Spectrum Interference Rejection under the conditions of the phase change, simulation of phase change rate of teams
maichong
- 扩频通信条件下采用QPSK,脉冲干扰条件下仿真误码率的变化-Under the conditions of use of spread spectrum communication QPSK, pulse jamming simulation of changes in the error rate
SpreadSpectrum
- 在matlab7.8版本上编译通过。 利用matlab的滤波器工具箱函数实现对直扩扩频通信过程的仿真模型,可以简单设定功率控制,多径传输,多值干扰等过程。-This program is compiled successfully in Matlab7.8 platform. With the matlab Filter Toolbox funtion to simulate the process of spread spectrum transmission. The simple
dsss_psk
- 用于仿真高斯噪声、单音干扰、多音干扰以及不同占空比下干扰条件下的扩频系统性能及误码率-For the simulation of Gaussian noise, single tone interference, spread spectrum system performance in multi-tone interference and interference under the conditions of different duty cycles and bit error rate
DS_CDMA_matlab_simulation
- 用于实现DS-CDMA通信系统仿真的程序 编码transmitter,receriver模块,并对传输信道增加高斯白噪干扰 是通信理论扩频技术的应用实例-Used to implement DS-CDMA communication system simulation program code transmitter, receriver module, and increase the transmission channel is a Gaussian white noise int
LMSRLS
- 盲多用户检测的LMS和RLS算法,在DS/CDMA通信系统中,为了解调出用户的有用信息,必须尽可能地抑制由其它用户扩频信号产生的多址干扰(MAI,Multiple Access Interference)。尽管最佳多用户检测器可以很好地抑制MAI,但其运算量会随着用户数的增加而呈指数增加。盲多用户检测技术可以在不知道其他用户信息的情况下检测出目标用户,所以在实际应用中有着十分重要的应用前景.-LMS and RLS algorithm Blind Multiuser Detection in D
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
扩频系统通信仿真
- 扩展频谱通信系统是指待传输信息的频谱用某个特定的扩频函数扩展后成为宽频带信号,然后送入信道中传输,再利用相应手段将其解扩,从而获取传输信息的通信系统。它在传输同样信息时所需的射频带宽,远比大家熟悉的各种调制方式要求的带宽要宽得多。扩频前的信息码元带宽远小于扩频后的扩频码序列的带宽,信息己不再是决定调制信号带宽的一个重要因素,其调制信号的带宽主要由扩频函数来决定。一般常用的扩频函数是伪随机编码信号。与常规的通信系统相比,扩频系统具有很强的抗人为干扰、抗窄带干扰、抗多径的能力,此外还具有信息隐蔽多址