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watermark
matlab 小波变换 有嵌入水印部分和提取水印部分(watermarking)
- 2009-06-04 15:03:38下载
- 积分:1
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video_frame_differenc
diffrence betwenn two fram
- 2012-11-21 20:30:52下载
- 积分:1
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QPSK_16QAM
提取信号七个基于瞬时信息的特征:零中心归一化瞬时幅度功率谱密度的最大值,零中心归一化瞬时幅度绝对值的标准偏差,零中心非弱信号段瞬时相位非线性分量绝对值标准偏差,零中心非弱信号段瞬时相位非线性分量标准偏差,零中心归一化的非弱信号段瞬时频率绝对值的标准偏差,一个信号段的归一化瞬时频率功率谱密度的最大值,根据信号 QPSK 和16QAM在 XI 轴投影的不同表现,提出特征参数。(Extraction based on instantaneous information signal of seven characteristics: zero center normalized instantaneous amplitude of the maximum power spectral density, zero-center normalized standard deviation of the instantaneous rate of absolute zero center section of non-weak signal instantaneous phase nonlinear component absolute value of standard deviation, non-zero center section of the weak signal non-linear component of the standard deviation of the instantaneous phase, zero-center non-normalized absolute value of the weak signal section of the standard deviation of the instantaneous frequency of a signal segment of the normalized power spectral density of instantaneous frequency maximum, according to the signal QPSK and 16QAM in the XI-axis projection of the different performance of the proposed characteristic parameters.)
- 2020-07-12 19:48:52下载
- 积分:1
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work
设计一个切比雪夫滤波器,要求通带截止频率 ,通带最大衰减 ,阻带截止频率 ,阻带最小衰减 。要求绘出滤波器的幅频特性曲线。(Design a Chebyshev filter, the passband cutoff frequency required, the maximum passband attenuation, stopband cutoff frequency, stopband minimum attenuation. Requirements of the filter amplitude-frequency characteristic plotted curve.)
- 2011-05-27 23:28:25下载
- 积分:1
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entropy
entropy of a signal helps to find the randomness
- 2012-10-20 14:24:41下载
- 积分:1
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Cooperative_Diversity_in_Wireless_Networks
无线网络的中继节点协作分集研究源代码,包括多种接收端技术(Relay nodes in wireless networks of cooperative diversity source code, including a variety of receiver techniques)
- 2010-07-05 23:42:59下载
- 积分:1
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zltz
实现增量调制的简单的程序,十分简短。你应该可以作得更好(delta modulation to achieve the simple procedure is very short. You should be able to do better)
- 2006-06-02 18:14:35下载
- 积分:1
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kasami-and-gold-sequences
gold and other sequences generation for UWB transmission
- 2013-03-08 16:18:36下载
- 积分:1
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work
这个是集成的小型文档图像透视变形校正的matlab源码(This is a small integrated document image perspective distortion correction matlab source)
- 2007-07-14 22:38:56下载
- 积分:1
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matlab
matlab函数 k的阶乘 factrial(Matlab function k factorial factrial)
- 2012-07-20 11:32:36下载
- 积分:1