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qpsk_rayleigh&awgn_ber&powerspec
- qpsk调制在awgn/rayleigh信道下的误码性能比较,以及信号的功率谱和星座图-QPSK modulation in awgn / Rayleigh Channel Performance Comparison of error, and the signal power spectrum and constellation
05041062qpsk-fading
- 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 Ruili fading channel Gaussian white noise QPSK demodulator access that can be power spectrum waveform and constellation
Matlab QPSK CODE
- Matlab QPSK CODE FOR Spectrum
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
8psk
- (1) 分析QPSK调制、解调原理,并画出其系统框图; (2) 产生等概率且相互独立的二进制序列,作为待传输的信号,并画出其波形; (3) 进行8PSK调制,分别画出I、Q两支路信号经过乘法器后的波形以及8PSK调制波形; (4) 产生均值为0,方差为1的加性高斯随机噪声,画出其时域波形及频谱; (5) 将加性高斯随机噪声作为传输信道的干扰,画出接收端信号的时域图; (6) 进行8PSK解调,输出解码序列,画出解调后信号波形; (7) 计算系统信噪比、传输误码率。-(1)
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
festimate1q1023
- 平方倍频法,估计直接序列扩频qpsk信号载频,功率谱估计法采用平均周期图法-Square multiplier method, the estimated direct sequence spread spectrum qpsk signal carrier frequency, power spectrum estimation method using the average periodogram
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 ~
tetra_mod_qpsk
- 基于MATLAB simulink 的QPSK仿真,R2008下测试可运行。提供波形、频谱、眼图、星座图。-Based on MATLAB simulink simulation of QPSK, R2008 under test can be run. It provides waveform, spectrum, eye diagrams, constellations.
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,
Phase_noise_QPSK_spectrum
- Phase noise of QPSK spectrum
SPJYRAE
- 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