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IIR
- 用双线性变换法设计IIR数字滤波器 (1)用双线性变换法设计一个巴特沃斯低通IIR 数字滤波器。设计指标参数为:在通 带内频率低于0.2π 时,最大衰减小于1dB;在阻带内[0.3π ,π ] 频率区间上,最小衰减大于15dB。 (2)以0.02π 为采样间隔,打印出数字滤波器在频率区间[0,π / 2] 上的幅频响应特性 曲线。 (3)用所设计的滤波器对实际心电图信号采样序列(在本实验后面给出)进行仿真滤 波处理,并分别打印出滤波前后的心电图信号波形图,观察总结滤波作用
erweihundun
- 本文提出了基于二维混沌映射的数字图像水印算法,混沌具有随机性、似噪声及对初始条件的极端敏感性等特点。将经过二维混沌映射置乱后的数字水印信号嵌入图像小波域的低频系数,实现了数字水印的隐蔽性、保密性和稳固性;利用二维混沌映射Arnold变换对水印信号进行置乱,不仅增强了水印信号保密性,同时有效提高了视觉上抵抗图像剪切攻击的能力-failed to translate
Wavelet-packet-transform-program
- 小波包变换程序 数字信号处理 示例程序 对小波包用于信号处理有帮助-Wavelet packet transform program Modern digital signal processing The sample program For the benefit of the wavelet packet is used for signal processing
dsp
- z变换,小波,数字滤波,fft等数字信号处理源码-digital signal process matlab code
ntt
- 本次研究主要内容是对音频信号进行数字水印加密技术的分析,数字水印技术作为保密技术的一种形式,将具有特殊含义的数据信息嵌入到数字媒体中,以达到对数字媒体进行辨识、标记和版权保护的目的。主要介绍几种水印的嵌入方法:相位法、回声法、时域方法、频域方法、小波域变换等。-Digital audio watermarking is nowadays gaining popularity among the original audio content producers. It provides a w
bdefqpwn
- 多姿态,多角度,有不同光照,数据模型归一化,模态振动,matlab开发工具箱中的支持向量机,最小均方误差(MMSE)的算法,基于人工神经网络的常用数字信号调制,关于小波的matlab复合分析,时间序列数据分析中的梅林变换工具,这个有中文注释,看得明白。- Much posture, multi-angle, have different light, Normalized data model, modal vibration, matlab development toolbox suppor
sun-si73
- 对HARQ系统的吞吐量分析,已调制信号计算其普相关密度,基于小波变换的数字水印算法matlab代码。- HARQ throughput analysis of the system, Modulated signals to calculate its density Pu-related, Based on wavelet transform digital watermarking algorithm matlab code.
gu230
- 基于小波变换的数字水印算法matlab代码,图像的光流法计算的matlab程序,LCMV优化设计阵列处理信号。- Based on wavelet transform digital watermarking algorithm matlab code, Image optical flow calculation matlab program, LCMV optimization design array signal processing.
qai_kq04
- 基于小波变换的数字水印算法matlab代码,雅克比迭代求解线性方程组课设,LCMV优化设计阵列处理信号。- Based on wavelet transform digital watermarking algorithm matlab code, Jacobi iteration for solving linear equations class-based, LCMV optimization design array signal processing.
pan_nq54
- 解耦,恢复原信号,基于小波变换的数字水印算法matlab代码,可以广泛的应用于数据预测及数据分析。- Decoupling, restore the original signal, Based on wavelet transform digital watermarking algorithm matlab code, Can be widely used in data analysis and forecast data.
peng_v73
- Gabor小波变换与PCA的人脸识别代码,基于人工神经网络的常用数字信号调制,调试通过可以使用。- Gabor wavelet transform and PCA face recognition code, The commonly used digital signal modulation based on artificial neural network, Debugging can be used.
ning_kb76
- 可直接计算得到多重分形谱,基于小波变换的数字水印算法matlab代码,语音信号的采集与处理,数字信号处理课设。- It can be directly calculated multi-fractal spectrum, Based on wavelet transform digital watermarking algorithm matlab code, Acquisition and Processing of the speech signal, digital signal proc
fan_v10
- 连续相位调制信号(CPM)产生,计算互信息非常有用的一组程序,基于小波变换的数字水印算法matlab代码。- Continuous phase modulation signal (CPM) to produce, Mutual information is useful to calculate a set of procedures, Based on wavelet transform digital watermarking algorithm matlab code.
bg067
- 毕设内容,高光谱图像基本处理,基于小波变换的数字水印算法matlab代码,处理信号的时频分析。- Complete set content, basic hyperspectral image processing, Based on wavelet transform digital watermarking algorithm matlab code, When processing a signal frequency analysis.
xt703
- 一些自适应信号处理的算法,对于初学者具有参考意义,基于小波变换的数字水印算法matlab代码。- Some adaptive signal processing algorithms, For beginners with a reference value, Based on wavelet transform digital watermarking algorithm matlab code.
ping-V5.7
- 基于小波变换的数字水印算法matlab代码,分析了该信号的时域、频域、倒谱,循环谱等,考虑雨衰 阴影 和多径影响。- Based on wavelet transform digital watermarking algorithm matlab code, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Consider shadow rain attenuation a
us846
- 分数阶傅里叶变换计算方面,基于小波变换的数字水印算法matlab代码,小波包分析提取振动信号中的特征频率。- Fractional Fourier transform computing, Based on wavelet transform digital watermarking algorithm matlab code, Wavelet packet analysis to extract vibration signal characteristic frequency.
md616
- 基于人工神经网络的常用数字信号调制,基于小波变换的数字水印算法matlab代码,自己编的5种调制信号。- The commonly used digital signal modulation based on artificial neural network, Based on wavelet transform digital watermarking algorithm matlab code, Own five modulation signal.