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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
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
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
YYY_DSSS
- 设计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。-Designed a four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct Sequence Spread Spectrum, BPSK modul
singleuserPNConv
- CDMA MULTI USER INTERFERENCE,AFTER DESPREADING,BER
xi1
- 设计了一个扩频 系统，具有扩频解扩的功能。系统中采用的是瑞利衰落的信道。仿真的结果很好，系统的误码率很小-Designed a spread-spectrum system with spread spectrum despreading function. System is used in the Rayleigh fading channel. Good simulation results, the system bit error rate of the small
zhikuo
- 自已做的直扩系统的simulink仿真，包括信号源的生成，捕获与跟踪，解扩解调全过程-To do their own DS systems simulink simulation, including the signal source of the generation, capture and track the entire process of despreading demodulation
CDMADemodulator
- DEMODULATOR: This function performs demodulation of the forward Channel packet, based on RAKE Receiver Block Diagram Input Signal -> [Matched Filter] -> [Sampler] -> [RAKE Receiver] -> [Walsh] -> [DeSpreading] Inputs: RxIn
kuopin
- 直接序列扩频系统（DS，Direct Sequence）又称为直接序列调制系统或伪噪声系统（PN 系统），简称为直扩系统，是目前应用较为广泛的一种扩展频谱系统。要传送的信息经伪随机序列编码后对载波进行调制。在发信端越冬用扩频序列去扩展信号的频谱，在收信端，用相同的扩频友序列进行解扩，将展宽的频谱扩展信号还原成原始信号。因为伪随机序列的速率远大于要传送信息的速率，所以受调信号的频谱宽度将远大于要传送信息的频谱宽度，帮称之为扩频-Direct sequence spread spectrum (DS
07950213
- 扩频通信系统仿真 ——系统将基带信号（即信息）的频谱扩展至很宽的频带上，然后再进行传输，即将欲传输的信息数据用伪随机序列编码调制，实现频谱扩展，然后通过信道编码发送出去；接收端采用与发送端完全相同的伪随机序列作为本地解扩信号进行相关处理，以恢复信息，最后进行解调，完成整个系统的接收。-Simulation of spread spectrum communication system- the system baseband signal (ie, information) be extende
dsss
- 通信中的，调制，扩频，解扩，解调，全过程的matlab程序-Communication, modulation, spreading, despreading, demodulation, the whole process of the matlab program
dmf_chuantong
- 直扩系统传统DMF解扩SIMULINK建模-DS system, the traditional DMF despreading SIMULINK modeling
cdma
- 实现扩频系统。信源产生，扩频，基带成型后加噪声，解扩，低通。判决-Achieve spread spectrum system. Source production, spreading, baseband shaping, add noise, despreading, low-pass. Judgment
kuopin.m
- 直接序列扩频通信系统仿真程序 生成的信息码的波形图 扩频码如图 PSK调制后的波形 解调后的波形 解扩并滤波后的波形 -The waveform in Figure PSK modulated waveforms direct sequence spread spectrum communication system simulation code information generated spreading code waveforms despreading and
error-rate-analysis
- 直接序列扩频通信系统误码率分析,主要过程为基带信号生成，扩频，解扩，误码率分析-Direct sequence spread spectrum communication system BER analysis, the main process for the baseband signal generation, spreading, despreading, BER analysis
IS95
- 实现IS-95功能的仿真程序，包括数据产生、扩频、调制、解扩、解调、误码统计等功能-The simulation program of IS-95, including data generation, spread spectrum, modulation, despreading, demodulation, error statistics function,.etc
despread
- 此函数完成差分编码和解扩功能 希望对了解编码有所帮助-This function complete differential encoding and despreading function we hope to understand the code help
DSSS2
- 直接序列扩频，利用MATLAB程序实现对原信号的扩频与解扩，有利于信号的抗干扰传输-Direct sequence spread spectrum, use the MATLAB program for spreading and despreading the original signal, the signal interference in favor of transmission