搜索资源列表
matlab
- 利用matlab对am,dsb,ssb,ask,fsk,bpsk信号进行正交调制解调仿真,并在不同信噪比条件下对其数字信号进行了误码率的计算。-Using matlab to am, dsb, ssb, ask, fsk, bpsk orthogonal signal modulation and demodulation simulation, and signal to noise ratio in different conditions of its digital signal to
signals-modulation-recognition
- 几种通信信号的调制识别matlab程序,希望对研究者有帮助-Modulation Recognition of Communication Signals of several matlab program, the researchers hope to help
PCM
- 利用Matlab仿真脉冲编码调制(PCM)及A律、μ律PCM对声音进行压缩编解码过程。 脉冲编码调制(PCM,Pulse Code Modulation)是一种将模拟语音信号转换成数字信号的编码方式。波形编码器的作用是对采样后的信号样本进行量化和编码。从数学上来看,量化过程就是把一个连续幅度值的无限数集合映射成一个离散幅度值的有限数集合,编码就是用一组二进制数来表示这些映射后的有限数。国际标准化的PCM采用折叠二进制码,符合长途电话质量。根据量化方法的不同,PCM可分为均匀量化PCM和对数
bpsk
- 本程序很好的实现了BPSK调制解调技术对基带信号的调制和解调仿真-This procedure achieved good BPSK modulation and demodulation technology for base-band signal modulation and demodulation simulation
2PSK
- 2PSK调制器的设计,在通信原理教学中应用MATLAB语言,可借助MATLAB方便的绘图性,把信号的频谱用MATLAB图形,很好地展现给学生,这样学生可以通过形象的图形来掌握抽象的理论,从而更好地理解原理.-2PSK modulator design, principles of teaching in the communications applications MATLAB language, can take advantage of MATLAB graphics and conven
BOC
- 对卫星导航系统中一种主要的信号调制方式--BOC调制进行仿真分析-A satellite navigation system on the main signal modulation- BOC modulation simulation
fpdpsk
- FSK/PSK信号调制器的VHDL程序,共分为分频器、m序列产生器、跳变检测、2:1数据选择器、正弦波信号产生器和DAC(数、模变换器)6部分-FSK/PSK signal modulator VHDL program is divided into divider, m sequence generator, transition detection, 2:1 data selector, the sine wave signal generator and DAC (number, mode
dsb-am
- 使用MATLAB对DSB-AM进行仿真:双边带幅度调制的过程以及对其中所包含的对信号的频谱分析都可以通过MATLAB中的M语句及相关函数来实现。假如信号m(t)=cos(m)以dsb-am方式调制载波c(t)=cos(20*pi*t),所的信号为y(t),并将采样频率定为 fs=100Hz,则可在MATLAB中设计程序对该幅度调制的结果进行仿真,绘制已调信号波形和频谱分析。-It is a example for DSB-AM based on MATLAB .
bpsk
- 循环谱分析信号的主要方法介绍,针对BPSK调制的信号进行检测识别并进行参数估计的原程序-Cyclic spectrum analysis of signals in the primary means of introduction, for BPSK modulation signal detection and parameter estimation to identify the original procedure
digital
- 本例为数字调制信号的制式识别仿真程序,matlab仿真源码-In this case the digital modulated signal format identifying simulation program, matlab simulation source code
QPSK_Modulation
- QPSK信号的加噪声信号调制和星座图绘制-QPSK signal plus noise signal modulation and constellation mapping
Randomsignalanalysisofthehandouts08trial
- 随机信号分析实验讲义08试用 实验一 随机信号通过线性系统和非线性系统后的特性分析 实验二 白噪声测试 实验三 白噪声的产生与测试 实验四 窄带信号及包络和相位检波(一) 实验五 窄带信号及包络和相位检波(二) 实验六 利用互相关测试系统单位冲击响应 实验七 白化滤波器的设计 实验八 微弱信号的检测提取及分析 实验九 随机信号的功率谱密度估计 实验十 模拟相关函数测量仪 实验十一 理想白噪声和带限白噪声的产生与分析
binarymod
- 二进制数字调制信号ook,2psk,2fsk信号及其频谱-Binary digital modulation signal ook, 2psk, 2fsk signal and its spectrum
chengxu3
- 有关模拟调制的matlab程序--复读调制,AM信号的解调。-Matlab simulation of modulation-related procedures- repetition modulation, AM signal demodulation.
8QAM
- 利用matlab仿真软件,实现8QAM调制。在实现时采用正交调幅的方式,某星座点在I坐标上的投影去调制同相载波的幅度,在Q坐标上的投影去调制正交载波的幅度,然后将2个调幅信号相加就是所需的调相信号。-Use of matlab simulation software to achieve 8QAM modulation. In achieving the adoption of quadrature amplitude modulation means of a constellation in
FM-Frequency-Modulation
- 包括信号的调制与解调,经MATLAB仿真,其性能良好。-Including the signal modulation and demodulation, by the MATLAB simulation, its performance is good.
analoguemodulation
- 主要是对几种常用的模拟调制进行了matlab实现,包括AM,LSB,USB,DSB,DSB信号-Mainly of several commonly used analog modulation to achieve a matlab, including AM, LSB, USB, DSB, DSB signal
modulation
- 通信信号相干调制解调源码 Fc=10 %载频 Fs=40 %系统采样频率 Fd=1 %码速率 N=Fs/Fd df=10 numSymb=25 %进行仿真的信息代码个数 M=2 %进制数-Coherent modulation and demodulation of communication signal source Fc = 10 carrier frequency Fs = 40 systematic sampling frequency Fd = 1 co
chirp_sig11
- 带有匹配滤波器的雷达信号调制和脉冲压缩技术的Matlab程序 -With matched filter radar signal modulation and pulse compression technology Matlab procedures
GMSKsim
- GMSK调制程序,采用I/Q调制,生成基带GMSK信号,供大家学习和参考!-GMSK modulation procedures, the use of I/Q modulation, to generate baseband GMSK signal for them to learn from and reference!