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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,
BPSK
- 1、对给出的数字0、1序列进行BPSK调制,调制成正负极性，并进行傅里叶变换. 2、滚将升余弦窗设计-1、making BPSK modulation for given 0、1 data serial.And make FFT change. 2、Raised-cosine window
Carrierless_16-QAM_(CAP)_Modem
- This is a Simulink Model I created for a Digital Communication Systems class. It demonstrates Carrierless Amplidute Phase(CAP) Modulation and uses a raised cosine pulse to implement a 16-QAM modem.
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
ofdmspectrum
- ofdm频谱特性 包括升余弦窗后 和加CP后的三种频谱特性比较-ofdm spectrum features include raised cosine window of post-processing after the three kinds of spectral characteristics of CP compared
QAM16_simulink
- In this simulink model , 16-QAM modulation and demodulation is simulated .A square root raised cosine pulse shaped signal is modulated and given as input to the demodulator.The received signal is demodulated and given to the detector where it is m
qpsk_simulink
- In this simulink model , QPSK modulation and demodulation is simulated .A square root raised cosine pulse shaped signal is modulated and given as input to the demodulator.The received signal is demodulated and given to the detector where it is mat
fsk
- 在matlab上面对4fsk调制解调进行仿真，中间使用升余弦滤波器作为发送和接收滤波器-In the face of 4fsk modem matlab simulation, the middle raised cosine filter used to send and receive filters as
psf_3gpp
- Pulse shaping filters are used at the heart of many modern data transmission systems (e.g. mobile phones, HDTV) to keep a signal in an allotted bandwidth, maximize its data transmission rate and minimize transmission errors. Raised cosine filters for
qpskshapeing
- QPSK信号的根升余弦成型， 和QPSK信号的矩形成型-QPSK signal root raised cosine shaping And QPSK signal rectangular forming
QPSK-with-raised-cosine
- 完整的qpsk通信系统，包括发送端，接收端，在不同的信道模型下的仿真：awgn，rayleigh。包括各种眼图，星座图，基带波形，载波波形。-Complete the qpsk communication system, including the sender, the receiver in a different channel model Simulation: awgn, and Rayleigh. Including a variety of eye diagram, constel
16QAm
- 采用MATLAB编程，产生一个16QAM基带信号，并进行实数倍插值计算。要求符号率为1 MSymbol/s，采用均方根升余弦滤波成形，滚降系数=0.5。产生{…1，0，1，1，…}的伪随机序列，经过映射、4倍成形滤波、FIR半带滤波、实数倍内插滤波，最后输出4.315倍时域/频域响应。给出信号序列经过各级滤波的时域、频域结果-Using MATLAB programming, resulting in a 16QAM baseband signal, and the real multiples
baseband-transmission-system
- 利用升余弦滤波器来接收基带信号的系统仿真，还有眼图分析-The use of the raised cosine filter to receive the baseband signal system simulation, and analysis of niose
64QAM_baseband-system-transmitter
- 产生64QAM基带通信系统发射机：基带成型滤波采用3种方式（1）采用每个符号调制一个成型滤波函数，然后将各个函数进行时域叠加的方法； （2）采用信号与低通滤波器响应函数卷积的方法；（3） matlab自带的升余弦函数-Produce 64QAM baseband communication system transmitter: baseband shaping filter uses three ways (1) the use of a molding each symbol modul
Desktop1
- 用MATLAB画平方根升余弦脉冲波形（滤波器模型与仿真方法）-Using MATLAB painting square root raised cosine pulse waveform (filter model and simulation methods)
bqpsk
- BPSK 与QPSK 调制解调系统的Matlab 仿真程序,发送滤波器与接收滤波器均为根升余弦滚降滤波器；信道噪声为加性高斯白噪声 绘制BPSK 与QPSK 调制下的误码率与信噪比曲线图，并与理论曲线进行对比-BPSK and QPSK modulation and demodulation system Matlab simulation program, send and receive filters are root raised cosine filter roll-off fil
BPSK
- BPSK调制解调，对信号采用BPSK调制，载波采用升余弦滚降-BPSK modulation and demodulation of signals using BPSK modulation, the carrier uses raised cosine
QPSK_daitong
- QPSK信号，数字带通传输，格雷码编码，根升余弦滤波器，加性高斯白噪声-QPSK signal, a digital bandpass transmission, gray code, root raised cosine filter, additive white gaussian noise
16QAM
- 产生16QAM信号，用平方根升余弦滤波器进行脉冲整形，平方根升余弦滤波器产生16-QAM波形波形，画出眼图(16QAM signal of pulse shaping by square root raised cosine filter, the square root raised cosine filter to generate 16-QAM waveform waveform, draw the eye)