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研究用于自适应均衡器的LMS算法的性能，数据源产生有零平均和单位方差的由符号+1和-1组成的Bernoulli的序列{I(n)}.数据源之后的信道可以用升余弦脉冲响应来模拟。
-study for the adaptive equalizer LMS algorithm performance, Data Sources have zero mean and unit variance from the -1 and a symbol of the Bernoulli sequenc
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本程序用于完成BPSK、QPSK、pi/4QPSK、OQPSK、8PSK、16QAM、32QAM、64QAM和128QAM的调制仿真。并可任意扩展到MPSK和MQAM。程序分成四个部分，fir.m对基带码元序列进行脉冲成型，可选矩形脉冲，升余弦脉冲和平方根升余弦脉冲； modal.m 为主程序，完成岁各种信号的基带星座图映射、脉冲成型和调制；pi4QPSK.m 为pi/4QPSK信号的星座图映射程序；test1.m给出一个简单的频谱显示测试。,This procedure for the com
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有关MPSK调制，传输模型。成型脉冲分为矩形，升余弦脉冲，平方根升余弦脉冲。M的值为2，4和8.所加噪声是高斯白噪声。-Of the MPSK modulation, transmission model. Pulse shape is divided into rectangular, raised cosine pulse, the square root raised cosine pulse. The value of M for 2,4 and 8. The increase in n
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本程序用于完成BPSK、QPSK、8PSK的调制仿真。并可任意扩展到MPSK和MQAM。程序分成三个部分：phase.m对基带码元序列进行脉冲成型，可选矩形脉冲，升余弦脉冲和平方根升余弦脉冲； model.m 为主程序，完成各种信号的基带星座图映射、脉冲成型和调制； command.m给出一个简单的频谱显示测试。-This procedure for the completion of BPSK, QPSK, 8PSK modulation simulation. Arbitrary and m
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平方根升余弦脉冲 平方根升余弦脉冲 平方根升余弦脉冲 平方根升余弦脉冲-Square Root Raised Cosine Square Root Raised Cosine pulse Pulse Pulse square root raised cosine square root raised cosine square root raised cosine pulse Pulse Pulse square root raised cosine square root raised cos
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用升余弦函数及其导函数线性组合生成UWB脉冲-With raised cosine function and its derivative a linear combination of UWB pulse generation
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星形16QAM过基带信号产生。经过升余弦成型滤波和高斯信道-Star 16QAM baseband signal generator over. Been raised cosine pulse shaping filter and Gaussian channel
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matlab实现矩形脉冲和根升余弦脉冲的QPSK调制功率谱密度及不同信噪比信道下的星座图，直接运行main函数即可-Plot the power density spectrum of the transmitted signal (e.g., with the matlab function psd) with different pulse shapes. How is it affected if a root raised cosine pulse is chosen instead o
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对输入信息符号串进行矩形或升余弦脉冲成型，程序实现简单高效-Enter the information symbol strings of rectangular or raised cosine pulse shaping, simple and efficient procedure
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升余弦脉冲的设计实例，升余弦脉冲是一种具有零ISI的脉冲波形，此程序用来产生升余弦脉冲。-Raised cosine pulse design example, raised cosine pulse is a pulse waveform with zero ISI, the program used to generate raised cosine pulses.
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平方根升余弦脉冲实例。两个SQRC滤波器的级联组合就成为一个零ISI的滤波器。此程序用于获得平方根升余弦脉冲。-Square root raised cosine pulse instance. Cascade combination of the two SQRC filters to filter a zero ISI. This procedure used to obtain the square root raised cosine pulse.
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Pulse shaping code for Matlab. This module use a square root raised cosine (SRRC) pulse.
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Plotting Gray-coded Signal Constellations
and Pulse Shaping Using a Raised Cosine Filter-Plotting Gray-coded Signal Constellations
and Pulse Shaping Using a Raised Cosine Filter
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Role of Pulse Shaping in Communication Systems:
The duals – Sinc and Rectangular Functions
In communication systems, data is transmitted as binary bits ( ones and zeros). It is easier to implement a binary system using switches, where turning on
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改进根升余弦成型滤波，信噪比可达-70dB，性能较标准升余弦提高较大，在TVB2脉冲成型中仿真验证过-Improved root raised cosine shaping filter, SNR up to-70dB, performance than the standard raised cosine larger increase in pulse shaping TVB2 verified in simulation
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对双极性随机序列二进制数字基带信号，采用开方升余弦滚降波形、矩形脉冲、半波正弦在白噪声条件下的最优（匹配滤波器）接收程序。考察码间串扰和白噪声共同作用引发的误码，画出误码率曲线；设计均衡器画出误码率曲线。-Bipolar random sequence of binary digital baseband signal, using the square root raised cosine wave, rectangular pulse, half sine wave white noise
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Code to simulate the effect of Inter Symbol Interference. The first figure plots the pulse amplitude modulation (PAM) of input sequence. Then a raised cosine pulse is used as pulse shaping signal for transmission. The next figure shows the effect of
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采用窗函数法设计一个可实现FIR升余弦脉冲成形滤波器-Using a window function design enables FIR raised cosine pulse shaping filter
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Function bpsk_mod (x, L, SNR, pulse, theta, phi)
Function that implements a bandpass signal generator in
Phase and quadrature.
Input Parameters:
1.- X = bit sequence
2.- L = oversampling factor
3.- SNR = signal-to-noise ratio at
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