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mod%26demod
- 根据输入的调制方式,对输入序列MOD_IN进行调制,分别采用BPSK, QPSK, !6QAM, 64QAM,完成对星座图的映射-According to the modulation input, the input sequence MOD_IN modulation, using BPSK. QPSK,! 6QAM, 64QAM, the completion of the mapping constellation
tigerqam
- QAM调制 调制qammod(a,16); 解调用qamdemod 画星座图modmap( qam ,4)
liuguifen
- QAM16调制的实现 matlab源程序 星座图的输出和结果都正确
gan
- ofdm调制 星座图的输出 和 结果都正确 解调星座图的输出
QAMmodulation
- 介绍了QAM调制的星座图,对于学习QAM调制的有一定的指导意义。
0809aaaa
- 有关QPSK调制解调的仿真程序,包括基带输入波形及其功率谱、QPSK调制信号及其功率谱、AWGN信道输出及其功率谱、通过瑞利信道之前和之后的信号星座图 6)在高斯白噪声和瑞利衰落信道条件下的误码性能以及高斯白噪声的理论曲线,所有误码性能曲线在同一坐标比例下绘制
QPSK.rar
- QPSK是一种二维调制技术,其中水平轴称为同相轴,垂直轴称为正交轴,分别对应于星座图上的1和Q坐标。同相载波指载波本身,正交载波指相位旋转90度的载波1周。QPSK调制在实现时是采用正交调幅的方式,某星座点在1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,然后将两个调幅信号相加就是所需的调相信号,QPSK is one kind of two-dimensional modulating technology, the horizontal axis is called
pp
- 运用MATLAB调制和加噪的函数,但QAM解调函数是利用多元检测的思想(最大似然准则)编写,根据星座图转换可得解调后的数据,解调后的数据和原始数据比较,可得到误符号率和误码率。-Using the QAM implement the separation
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
16qam_channel_encode
- 一、 本程序采用16QAM调制方式,对一串2进制信源进行调制,采用(7,4)循环码对信源做信道编码,用升余弦滚降函数进行基带调制,再调到高频信道;在信道上加入高斯白噪声,运用匹配滤波器解调,画出解调星座图,运用最小欧氏距离译码判决,再对信号进行信道解码,画出采用信道编码技术和不采用信道编码技术的误比特率图。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated,
mfsk
- 基于simulink的瑞利信道下MFSK调制解调系统 以8fsk为例 可以进行扩展 分析了调制的频谱图 眼图 星座图 及解调后的误码率-Based on simulink Rayleigh channel of the MFSK demodulation system including spectrum analysis and constellation chart and demodulation ber
qammodu
- 16QAM调制解调原码,包括星座图映射,信道噪声,及解码-16QAM modulation source, including the mapping constellation diagram, channel noise, and decoding
modulation
- 根据输入的调制方式对输入序列进行调制,完成对星座图的映射-According to the modulation input sequence of input modulation, the completion of the mapping of the constellation diagram
gmsk
- 无线通信数字信号GMSK调制解调并画出星座图-Wireless communications digital signal GMSK modem
ofdm_system
- OFDM整个系统结构,包括上下变频,多普勒频移,以及星座图调制和系统参数计算。-OFDM structure of the entire system, including upper and lower frequency, Doppler frequency shift, as well as the modulation constellation diagram and system parameters.
qam
- 一、 本程序采用16QAM调制方式,对一串2进制信源进行调制,用升余弦滚降函数进行基带调制,再调到高频信道;在信道上加入高斯白噪声,运用匹配滤波器解调,画出解调星座图,运用最小欧氏距离译码判决,计算误比特率。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated with a raised cosine roll-off function for base-ba
09041111
- qpsk调制在瑞利信道中的性能仿真,以及各个阶段信号的星座图仿真-qpsk modulation performance in Rayleigh channel simulation, as well as the various stages of signal constellation simulation
psk31
- 这个程序显示qpsk信号的星座图,用户稍加修改可显示自己生成的信号源的星座图 关键字 信号处理,调制,vc++ -the programme for C++ ,you can see the Oscillotion of QPSK
16QAM
- 16QAM调制与解调的全过程,能够观察眼图、星座图、误码率等,方便研究运用16QAM调制解调的系统的性能-16QAM modulation and demodulation of the entire process, be able to observe the eye diagram, constellation diagram, error rates, facilitate the study of the use of 16QAM modulation and demodulation
QAM64
- 16QAM,64QAM调制解调,以及星座图等部分-16QAM, 64QAM modulation and demodulation, as well as some other constellation