搜索资源列表
DespreadFunc
- CDMA中的扩频解扩，用matlab实现-Spread Spectrum CDMA despreading, using Matlab achieve
matlab_cdma
- 该程序仿真CDMA接收机的功能，包括解扩，解交织，信道编码(卷积码)，解码，信源编码(CRC)解码5个功能模块，生成用于数字基带传输的信号序列。 仿真CDMA发射机的功能，包括随机序列的产生，信源编码尾比特添加, 信道编码(卷积编码)，分组交织和扩频调制6个功能模块，生成用于数字基带，传输的信号序列，输出还包括用于解调所需要的信源编码尾比特值add_bits，交织器的尾比特值i_add_bits-CDMA receiver functions, including despreading,
dsnonoise
- 直接序列扩频系统是在发端直接用具有高码率的扩频编码去扩展信号的频谱，而在收端用相同的扩频编码进行解扩使扩频信号还原为原始信号的一种扩频方式。直接序列系统中用的编码序列通常是伪随机序列或叫伪噪声（PN）码。要传送的信息经数字化后变成二元数字序列，它和伪随机序列模二相加(或相乘)后变成复合码去调制载波。在直接序列系统中通常对载波进行二进制相移键控调制(BPSK)。当扩频调制后由天线发射出去，在接收机中要有一个和发射机中的伪随机码同步的本地码，对接收信号进行解扩，解扩后的信号送到解调器取出传送的信息-
buhuo
- 扩频通信中的捕获问题，用GOLD码进行扩频， PN码相位捕获，利用捕获的相位，接收机产生偏移的GOLD码，进行解扩和误码率计算-Spread Spectrum Communication capture issue, GOLD spread spectrum code, PN phase acquisition. The capture phase, the receiver have offset the GOLD code for despreading and bit error rate
oneuser2dcdma.rar
- 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
QPSK.rar
- 使用matlab程序实现了由随机序列到码元电平、m序列直接扩频解扩、qpsk调制解调，射频调制解调一个完整的qpsk系统过程,Matlab program to use by the random sequence to the symbol level, m direct sequence spread spectrum despreading, qpsk modulation and demodulation, RF modulation and demodulation of the QP
DSSS.rar
- 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
Signal-capture
- 信号的捕获(直接序列扩频系统的matlab仿真实现，包括M,GOLD序列生成，信道建模，噪声，扩频，解扩)-Signal capture (direct sequence spread spectrum system simulation matlab implementation, including M, GOLD sequence generation, channel modeling, noise, spreading, despreading)
PCM
- 实现了pcm调制的全过程的MATLAB仿真，包括调制、A率压缩、量化、解扩、解调、信号恢复。-Modulation achieved pcm MATLAB simulation of the whole process, including the modulation, A rate of compression, quantization, despreading, demodulation and signal recovery.
kuoping
- 扩频通信中的捕获问题，用GOLD码进行扩频， PN码相位捕获，利用捕获的相位，接收机产生偏移的GOLD码，进行解扩和误码率计算-Capture the problem in spread spectrum communication, spread spectrum codes with GOLD, PN code phase acquisition, the use of capture phase, the receiver generates offset GOLD code, for d
DSSS
- 设计一个有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。-Design of a direct sequence spread spectrum interference system, PN code generated by the m sequence generato
kuopin
- 一个基本利用simulink实现的扩频通信系统，包含扩频、调制、解扩、解调，可以比较全面的了解扩频系统的组成。-Simulink realization of a basic use of spread-spectrum communication systems, including spread spectrum, modulation, despreading, demodulation, can be a more comprehensive understanding of the c
oneusermccdma
- 单用户多载波mccdma的仿真，使用类编程。包含发送，信道，接收3个类。有扩频，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 mccdma of the simulation, the use of programming. Send contain, channel, receiving three categories. There are spread spectrum, modulati
oneuserdscdma
- 单用户dscdma的仿真，使用类编程。包含发送，信道，接收3个类。有扩频，调制，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 dscdma the simulation, the use of programming. Send contain, channel, receiving three categories. There are spread spectrum, modulation, Gaussian and Rayleigh
mulitusers2dcdma
- 多用户多载波时频域cdma扩频的仿真，使用类编程。包含发送，信道，接收3个类。有选择用户数，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。-Multi-user multi-carrier spread spectrum cdma time-frequency domain of the simulation, the use of programming. Send contain, channel, receiving three c
cdma-matlab
- 用matlab程序模拟实现cdma系统的整个过程。包括并串、串并转换，m序列的产生，直接扩频、解扩，qpsk的调制解调，载波调制解调等。-Matlab simulation procedures used to achieve the whole process of cdma systems. Including and string SERDES, m sequence generation, direct spread spectrum, despreading, qpsk the mod
xiugaideq
- 在一个通信系统中对信源的扩频，信道的指定概率加错并在接收端解扩，计算其误码率-In a communication system in the source of the spread spectrum, channel designated fault probability increases and despreading in the receiver to calculate the BER
matlab_ydtx
- 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信道。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 Sequence Spread Spectrum, BPSK modulation, AWGN
Simulink_CDMA
- 本文利用Simulink平台，模拟了一个小区内十个用户的码元发送，扩频，接收，解扩，判决的CDMA通信基本过程。-In this paper, the use of Simulink platform, simulation of a community within the 10 million to send the user' s code, spread spectrum, receiving, despreading, the verdict of the basic proce
singleuserPNConv
- CDMA MULTI USER INTERFERENCE,AFTER DESPREADING,BER