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denoisingWavelet
Wavelet denoising
For using this code need to use signal toolbox and general toolbox in your matlab
In the first part of this assignment, we asked to obtain a (black-and-white) digital image of size
512 by 512 and then generate noisy image by adding a Gaussian noise but under the condition of
having SNR=20dB by select the suitable value of variance for Gaussian noise formula.
Second step is performing wavelet denoising using the hard thresholding (Use the db 6 for four
levels) in the condition of finding the optimal thresholding value of T in terms of the SNR obtained. It
means that, we should find the highest SNR value by finding the suitable value for threshold. Then we
asked to do the same process but this time using soft thresholding.
Finally for the last part of question one, we should compare the results of the obtained SNR
with the recommendations of 3*sigma for the hard thresholding and 3/2*sigma for the soft
thresholding.
- 2013-12-11 17:34:39下载
- 积分：1
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matlab
matlab基本信号处理函数及实例应用，非常有用的！(matlab basic signal processing functions and application examples, very useful!)
- 2014-02-12 19:48:55下载
- 积分：1
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linear_DBF
线阵的两种数字波束形成的MATLAB程序，固定权值的，添加了汉明窗以抑制旁瓣。(Linear array of two kinds of digital beamforming in MATLAB program, a fixed weight, and added a Hamming window to suppress sidelobe.)
- 2009-11-15 20:22:32下载
- 积分：1
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MexDemo
使用vc6.0与matlab 2010b联合编程，并且测试通过 接口函数的编写(vc6.0 matlab 联合编程)
- 2012-05-06 20:15:30下载
- 积分：1
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sem_panel_RE
本函数用于估计随机效应面板空间误差模型（panel SEM)( computes spatial error model estimates for spatial panels )
- 2015-01-22 21:46:25下载
- 积分：1
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ml
说明： OFDM的最大似然同步算法的MATLAB程序(Maximum Likelihood OFDM synchronization algorithm MATLAB program)
- 2008-05-19 18:53:23下载
- 积分：1
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wenjian
对交流/直流电机调速系统仿真的MATLAB源文件(AC/DC motor control system based on the MATLAB source file)
- 2010-05-12 15:34:26下载
- 积分：1
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jiasududaoshu
MATLAB绘制汽车发动机加速度倒数曲线图(jia su du dao shu )
- 2012-05-29 16:25:55下载
- 积分：1
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06662257
在这项工作中,我们提出一个基于混沌的集成 抖动升压电路用于多个振荡器抽样真的 随机数发生器的架构。多个环形振荡器 真正的随机数生成器需要大量 戒指的积累内在抖动的逆变器 有用的水平。因此,他们占领大的硅区域和消费 大量的权力。该电路提供 另一种方法推动使用混乱的抖动 动态生成的两个环形振荡器的非线性耦合 需要更少的组件的数量。的简单性 提出了电路提供高集成和内在潜力 面积和功耗低等优点。混沌动力学 研究了电路的使用数值和电路 模拟。测量测试芯片实现的结果 250纳米CMOS技术(In this work, we present a chaos based integrated
jitter booster circuit for use in multiple oscillator sampling true
random number generator architecture. Multiple ring oscillator
based true random number generators need significant number
of rings for accumulating the intrinsic jitter of inverters to a
useful level. Thus, they occupy large silicon area and consume
considerable amount of power. The proposed circuit offers
an alternative approach for boosting jitter using the chaotic
dynamics generated by non-linear coupling of two ring oscillators
that require fewer number of components. The simplicity of the
proposed circuit offers high integration potential with inherent
low area and power consumption advantages. Chaotic dynamics
of the circuit was studied using both numerical and circuit
simulations. Measurement results of the test chip implemented at
250nm CMOS technology node confirmed chaotic behavior and
jitter boosting capability. To the very best of our knowled)
- 2014-12-01 10:12:11下载
- 积分：1
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FFTandDTMF
实现对wav文件的FFT，拟合波形和识别DTMF，具体功能键实验报告(Wav files to achieve the FFT, waveform and fitting recognition DTMF, the specific function key test report)
- 2013-12-10 14:34:32下载
- 积分：1
