搜索资源列表
PSK
- 根据M值的改变可以产生2、4、8、16PSK数字调制基带信号，且成形滤波器可任选升余弦、根升余弦、高斯。-M may be generated according to a change value 2,4,8,16PSK baseband digital modulation signal, and optionally raised cosine shaping filter, the root raised cosine, Gaussian.
pulse_shaping_filter
- 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.
BPSK-QPSK
- 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
rcosine
- 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.
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
eye_matlab
- 眼图用于测试数字传输信道质量。由于传输过程中的频带限制，噪声的叠加使得1和0的差别变小。在接收机的判决点，将“1”和“0”的差别用眼图上“眼睛”张开的大小来表示，十分形象、直观和实用。 首先产生一个二进制随机方波序列，通过升余弦滤波器滤波后，方波的高频成分滤掉后绘出的眼图。在程序中形成在Workspace中的数据变量D。通过指令sim（‘eye’）将工作空间的数据D馈送到眼图仪EyeDiagram，得到眼图仪显示的眼图（右图）。-Eye for testing the quality of
rcosfir_sqrt
- 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
shengyuxianlvboqi
- 基于matlab实现升余弦滤波器，可以直接运行-Raised cosine filter
QAM-QPSKsimulation
- 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
yantu
- 基带调制信号的产生方法； 眼图的生成方法和分析方法 用的是升余弦成型滤波，可以选择加入噪声或码间串扰 -Eye diagram generation method and analytical methods method for generating baseband modulation signal using a raised cosine shaping filter, you can choose to join inter-symbol interference
bpsk_RC_filter
- BPSK Raised Cosine filter matlab simulink file
bpsk_RC_filter_convolution
- BPSK Raised Cosine Filter Convolution encoder and viterbi decoder matlab simulink file
qpsk_RC_filter
- QPSK Raised Cosine filter matlav simulink file
max-average-power
- 基于最大平均功率算法的符号定时恢复算法。输入参数：RtfSig过采样的待恢复信号，信号中的N符号总数，dS升采样率，N_T升余弦滚降滤波器系数-Symbol timing recovery algorithm based on maximum average power algorithm. Input parameters: RtfSig be over-sampled signal recovery, the total number of N-symbol signal, the samp
bpsk_mod
- 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
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)
发送滤波器
- 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)
NO3ASK4
- 分别产生符合下列要求的眼图，输入调制方式为2PAM和4PAM，符号率为1Hz，等效信道滤波器为升余弦滚降成形滤波器(缺省滚降系数为0.5)： 1) 无噪声和信噪比为20dB的加性高斯白噪声 2) 升余弦滚降系数分别为0.5和1 3) 受到码间串扰影响，信道参数可设为：ch=[0.9806; -0.1961]；(In accordance with the following requirements of eye respectively, the input modulation mod
raisecos.m
- 升余弦滚降滤波器，滤波器，并有不同系数下对比图(Raised cosine roll off filter, filter, and comparison chart under different coefficients)