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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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数字通信系统中, 基带信号的频谱一般较宽, 因此
传递前需对信号进行成形处理, 以改善其频谱特性,使
得在消除码间干扰与达到最佳检测接收的前提下,提高信道的频带利用率。目前,数字系统中常使用的波形成形滤波器有平方根升余弦滤波器、 高斯滤波器等。设计方法有卷积法或查表法, 其中: 卷积法的实现,需要消耗大量的乘法器与加法器,以构成具有一定延时的流水线结构。为降低硬件消耗,文献提出了一种分-FPGA Implementation of Square Root Raised Cosine Pu
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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
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对码元序列进行基带成型滤波，来减少码间串扰，采用的是升余弦滚降滤波器，可以通过更改参数的方式来更改成根升余弦滚降滤波器-Symbol sequence baseband shaping filter to reduce inter-symbol interference, raised cosine roll-off filter, you can change the parameters to change into a root raised cosine roll-off filter
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对原始码元序列进行基带成型，采用的是根升余弦滚降滤波器，可以更改参数变成升余弦滚降滤波器-Baseband shaping the source sequence, using root raised cosine roll-off filter, you can change the parameters into a raised cosine roll-off filter
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BPSK匹配滤波器的误码率统计。1.二进制PSK信号进过波形生成器，生成根升余弦信号 2.对信号加噪声 3.接受加噪信号后，匹配滤波 4.统计误码率-BPSK matched filter error rate statistics. 1 signal into a binary PSK waveform generator had to generate root raised cosine signal (2) of the signal plus noise 3. Accept the a
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主要编写了一组二进制数据通过根升余弦滤波器后的波形，但并没有使用ISE内部的FIR滤波器内核，该程序相当于编写了一个根升余弦滤波器。-Mainly prepared a set of binary data through the root raised cosine filter waveform after, but did not use the ISE internal FIR filter kernel, the program is equivalent to the prepara
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该程序使用verilog语言，编写了QPSK-DSSS系统的发端，主要模块包括对同相分量和正交分量的扩频，通过根升余弦滤波器，以及与载波相乘等模块。-The program uses the verilog language, written QPSK-DSSS system, the originator, the main modules include in-phase and quadrature components of the spectrum, through the root
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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 systems Matlab simulation program transmit and receive filters are root raised cosine filter
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仿真高斯白噪声信道下QPSK的Eb/N0与误比特率之间的关系。
要求：
任选一种工具进行仿真：SPW、Matlab、Simulink。
成型滤波器采用根升余弦滚降滤波器，滚降系数为0.5，过采样因子为4
要求仿真至1e-5误比特率 。
与理论值对比，绘出对比曲线-Simulation of Gauss white noise channel QPSK between Eb/N0 and bit error rate of the relationship.
Require
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qpsk的仿真以及根升余弦滤波器成形另外有误比特率的比较-qpsk simulation and shaping the root raised cosine filter
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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
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无线通信系统发射端仿真中，脉冲成型滤波器。是一种根升余弦滤波器。-A pulse shaping filter in the wireless communication system. It is a root raised cosine filter.
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分别编写BPSK与QPSK调制解调系统的Matlab仿真程序，要求：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，并与理论曲线比较对比-They were written BPSK and QPSK modulation and demodulation system Matlab simulation program requirements: a transmission filter and a recept
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简单介绍根升余弦滤波器的概念和设计，附有毕业设计。还有一些代码。-Brief root raised cosine filter concept and design, with graduation. There are some code.
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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
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通过代码计算根升余弦滤波器系数，并通过与matlab本身自带生成函数做了比较-By code calculates root raised cosine filter coefficients, and through matlab comes with its own generating functions were compared
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QPSK QAM在平方根升余弦滤波器下的信道仿真，包括分析眼图，星座图-QPSK channel square-root raised cosine filter under emulation, including an analysis of eye diagrams, constellations
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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)
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主要包括升余弦脉冲滤波器、平方根升余弦滤波器、 高斯滤波器(It mainly consists of raised cosine pulse filter, square root raised cosine filter and Gauss filter)
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