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CGHwatermarkmatlabcode
- 关于半色调编码计算全息图的信息隐藏Matlab程序的说明: 算法实现主程序为CGHwatermark; 位相恢复函数为phaseSL; 用计算全息记录已知振幅和位相的复波前函数为Hologen; 半色调编码函数为AMhalftone; 嵌入信息的提取直接调用Matlab自带的FFT2函数; 主程序的函数调用关系如下 读入宿主信息和水印信息-----------phaseSL--->Hologen--->AMhalftone(
half_band_2
- 设计一个半带滤波器,将信号进行2倍内插后进行滤波。-design a half band filter. twice frequence and then filter.
DDCFPGA
- 针对DVB-T标准ETSI EN 300 744 V1.5.1,设计了可用于DVB-T接收整机的多速率DDC模块,并在FPGA中仿真实现.在复用数字振荡混频模块的基础上,根据输入信号的不同带宽(6M/8MHz)选择不同的抽取滤波器组完成抽取因子为3或4的多速率处理任务,利用两级半带滤波器(HBF)级联完成4倍抽取滤波,单级奈奎斯特滤波器完成3倍抽取滤波.-For the DVB-T standard ETSI EN 300 744 V1.5.1, designed for DVB-T recei
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
halfbandfiliter
- 数字信号处理半带滤波器,实现信号2倍上采样和低通滤波,16bit位宽数据-Digital signal processing the half-band filter, to achieve a signal 2 times up-sampling and low pass filtering, 16bit bit data wide
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.
baseband-signal_ofdm
- 一个OFDM 基带信号,采用256点IFFT,子载波采用8PSK映射,加保护段,调制信号采用“削顶”方法降低PAPR,FIR 半带滤波,最后输出时域信号/频域响应。包含各级的视频域比较-An OFDM baseband signal, using the 256-point IFFT, the sub-carrier using 8PSK mapping, plus the protection section, the modulated signal " cut top"
firhalfband
- 利用matlab提供的firhalfban函数设计阶数为16、通阻带容限为0.0001的半带滤波器。仿真测试滤波前后的信号时域图,回执滤波器的频率响应特性图-Provided firhalfban function using matlab design order of 16, through the 0.0001 stopband wool half-band filter. Simulation test filtered time domain signal before and aft
E6_10_HalfFilterMatlab
- 利用Matlab提供的firhalfband函数设计阶数为16、通阻带容限为0.0001的半带滤波器。 仿真测试滤波前后的信号时域图,绘制滤波器的频率响应特性图。- Matlab provides firhalfband function design of the order number is 16, stopband tolerance of 0.0001 half band filter. simulation test before and after filteri
16QAM_matlab
- 实现16QAM完整的调制解调系统,包括基带信号串并转换,星座图映射,升抽样成形滤波,升采样半带滤波,数字上变频,功放的多项式非线性效应,加性高斯白噪声信道,接收端下变频,降采样,匹配滤波,绘制接收端星座图。-16QAM modulation and demodulation realize the complete system, including the baseband signal string and conversion, constellation mapping, samplin
ddc
- 接收机中ddc的实现,包含CIC、半带和FIR滤波-DDC implementation in the receiver, including CIC, half band and FIR filter
半带滤波器插值抽取
- 使用半带滤波器实现多速率信号处理详细MATLAB代码(The use of half band filter to achieve multi rate signal processing, detailed MATLAB code)