搜索资源列表
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
qpsk
- 本仿真程序对一串二进制信息进行QPSK调制，并画出其波形图和功率谱，在某种无线AWGN信道上进行传输，然后并在接收端进行解调，最后画出其误符号性能曲线-The simulation program for a string of binary information in QPSK modulation, and draw the waveforms and power spectrum, in some wireless AWGN channel for transmission, and t
t4
- 本文件提供循环谱计算,具有简单,实用性广等特点.特提供共享.-This document provides cyclic spectrum calculation, a simple, practical and wide features. Special offers to share.
qpsk
- 用matlab实现QPSK调制，各路信号的频谱，高斯白噪声信道-QPSK modulation to achieve with matlab, and the brightest signal of the spectrum, white Gaussian noise channel
QPSK_System_BER_Simulation
- 认知无线电频谱检测仿真，基于QPSK的频谱检测-Cognitive radio spectrum detection simulation, based on QPSK spectrum detection
passband-modulation
- 利用BPSK, DBPSK, QPSK, OQPSK, 16QAM, PAM， 信号进行基带，通带调制解调，分析频域，时域波形，误码率等-Using BPSK, DBPSK, QPSK, OQPSK, 16QAM, PAM for modulation and demodulation. Analyzing the spectrum, wave forms, and bit error rate
QPSKs
- 基于QPSK的扩频通信系统，对信号首先进行扩频，然后进行调制。-QPSK spread spectrum communication system based on the spread spectrum signal first, and then modulated.
OQPSK
- matlab编程实现OQPSK调制解调波形及频谱、功率谱的绘图- 您是不是要找： matlab编程实现QPSK调制解调形及频谱、功率谱的绘图 matlab programming OQPSK modulation and demodulation waveform and spectrum, power spectrum drawing
DS-CDMA
- 简化的DS-CDMA通信系统仿真，数据流和时间流均可.码元速率256ksps，调制方式QPSK，扩频码为m序列或GOLD序列，信道为加性高斯信道和瑞利衰落信道两种，其他参数自己设定。-Simplified DS-CDMA communication system simulation, data flow and the flow of time can be. Symbol rate 256ksps, modulation QPSK, m-sequence spread-spectrum co
QPSK_Modl_Demodl
- 在理想信道条件下、在高斯白噪声信道条件下和在先经过瑞利衰落信道再通过AWGN信道条件下的QPSK仿真（基带输入波形及其功率谱、QPSK调制信号及其功率谱、QPSK信号星座图、误码性能等）-In an ideal channel conditions, in white Gaussian noise channel conditions and earlier through Rayleigh fading channels through QPSK simulation AWGN channel
PSKmod
- bpsk和qpsk调制以及其频谱，平方谱作图~-bpsk and qpsk modulation and spectrum, square profile drawing ~
QPSK_15
- 这是一个完整的matlab下的扩频通信系统的仿真源代码。包括QPSK调制、m序列生成、载波调制、解调、解扩等操作。非常完整，代码通过调试，可以直接运行。-This is a complete matlab under the spread spectrum communication system simulation source code. Including QPSK modulation, m sequence generation, modulation, demodulation,
gaushian
- 带瑞丽衰落信道高斯白噪声的QPSK调制解调信道,可以得到功率谱波形和星座图(With QPSK modulation demodulation of ruili fading channel gaussian white noise channel, the power spectrum waveform and the constellation diagram can be obtained)
二进制
- 本程序为chirp扩频，其中包含二进制CSS，四进制CSS及QPSK的程序，信道为高白信道，对比的二、四进制CSS误码率和四进制CSS与QPSK的误码率(Chirp spread spectrum)