搜索资源列表
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
risecos_qpsk
- qpsk的升余弦滤波，matlab编写M文件，调试成功，显示滤波图形。-the qpsk raised cosine filter, Matlab prepared M-file debugging success, showing the filter graphics.
cosine_filter
- 一组取值为+/-1的随机序列，每两个数据之间插入3个0，然后将序列通过一个设计好的根升余弦滤波器，并用周期图法和Welch法分别绘制信号的功率谱。再次通过根升余弦滤波器后用stem函数绘图。-A set of values is+ /-1 random sequence inserted between every two data 3 0, then the sequence through a root raised cosine filter designed,
simulink_ch
- 本压缩包提供了本人课程教学期间课堂演示的PCM编码与解码、2FSK、2ASK、2PSK调制、基带升弦系统。每个模块达到参数都作了优化，以求获得良好的演示效果，对于学习通信原理课程、本科课程或毕业设计同学非常有用。-The folder include the code for PCM ,2ASK,2PSK,2FSK, base-band raised cosine System. All this was did in the matlab7.0/simulink 。 the parameter
cosfilter
- 升余弦滤波器的matlab仿真程序，使用matlab2008编写-Raised cosine filter matlab simulation program, using matlab2008 write
QAM
- 编写一个含QAM传输的发送和接收模块 1)分别采用复基带仿真和实带通仿真两种形式 a) 实带通仿真时, 载波频率为符号率的4倍 b)发端采用滚降系数0.5的根号升余弦滤波器 2)画出Eb/N0=15dB时的接收波形(收滤波前),取100个采样 3)画出发端输出的眼图和收端过匹配滤波后的眼图(画眼图时不加噪声) 统计误符号率和误比特率与Eb/N0的关系,画出曲线, 与理论计算的曲线相对比 -Prepare to send of one with QAM transmis
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
raisedcosinefilter
- Program for raised cosine filter
root_raise_cos
- matlab代码，根升余弦滤波器对数字基带信号进行成型滤波，匹配滤波-Matlab code, the root raised cosine filter on the digital baseband signal shaping filter, matched filter
comm_eg_const
- 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
filttre_rcosine
- raised cosine matching filter
HalfbandDec
- 基于FPGA开发的11阶半带升余弦FIR滤波器，用在阅读器基带滤波时的抽取滤波器使用，采用verilog语言实现。-Raised cosine FIR filter based FPGA development 11 order of half-band decimation filter used in reader baseband filtering, using verilog language implementation.
rc_flt
- 基于FPGA实现的64阶升余弦FIR并行滤波器，采用iso18000.6c标准实现，具有很好的低通滤波效果，已通过后仿上板验证，采用verilog语言实现。-64 order raised cosine FIR FPGA-based parallel filters, implemented using iso18000.6c standard with a low-pass filtering effect imitation on the board has passed validatio
shiyan
- 用matlab编写了一个，信源产生经过BPSK调制以及根号升余弦滤波器后再加上载波最后将波形图输出的程序-Using matlab prepared a source after BPSK modulation, as well as the square root raised cosine filter and then with the carrier waveform graph output of the program
raisedCosineFilter.m
- 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
rrc_filter_10
- Root raised cosine filter coefficients from roll off 0 to 1.Filter length is 10, oversampling is 32. Each row corresponds to one filter with specified roll off, plot it row by row
FIR-and-IIR-filter
- 给出了基于频率采样、最小二乘、内插法、最优化法、升余弦法等设计的FIR和IIR滤波器范例-Based on the frequency of sampling, least squares, interpolation, optimization method, raised cosine law design FIR and IIR filter example
tongxinyuanli
- 通信原理仿真实验：AM、FM调制、单双极性归零码波形及功率谱、根升余弦滚降系统功率谱密度及眼图、信源分布对AMI功率谱的影响。-Communication Theory simulation: AM, FM modulation, single and double polarity zero code waveform and power spectrum, root raised cosine roll-off system power spectral density and eye di
16QAM
- 仿真练习（第六次刘课件中有关于噪声的添加方法） ？ 编写一个含QAM传输的发送和接收模块 ？ 分别采用复基带仿真和实带通仿真两种形式 ？ 复基带仿真时过采样率为4倍,实带通仿真时过采样率为20倍, 实带通仿真时, 载波频率为符号率的4倍 ？ 发端采用滚降系数0.5的根号升余弦滤波器 ？ 画出Eb/N0=15dB时的接收波形(收滤波前),取100个采样 ？ 画出发端输出的眼图和收端过匹配滤波后的眼图(画眼图时不加噪声) ？ 统计
sqrcm
- 平方根升余弦脉冲滤波器设计方法及演示 sqrcm-Square root raised cosine the pulse filter design methods and demonstrates sqrcm