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ExtractBackground
extracting the background
- 2013-12-19 18:25:44下载
- 积分：1
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6787-14807-1-PB
A Novel Image Reconstruction Algorithm Based
on Concatenated Dictionary
This paper presents a novel method for image
reconstruction, which decomposites the image by
concatenating a redundant dictionary of several bases and
then reconstruct the image efficiently by means of Matching
Pursuit algorithm. The proposed method constructs the
concatenated dictionary with cosine bases, wavelet bases
and contourlet bases, which will lead to a better
approximation of the original image. The experimental
results show that the proposed algorithm can greatly reduce
the computational complexity and generate a better
reconstruction effect compared with previous methods.(A Novel Image Reconstruction Algorithm Based on Concatenated Dictionary This paper presents a novel method for image reconstruction, which decomposites the image by concatenating a redundant dictionary of several bases and then reconstruct the image efficiently by means of Matching Pursuit algorithm. The proposed method constructs the concatenated dictionary with cosine bases, wavelet bases and contourlet bases, which will lead to a better approximation of the original image. The experimental results show that the proposed algorithm can greatly reduce the computational complexity and generate a better reconstruction effect compared with previous methods.)
- 2013-11-24 21:37:52下载
- 积分：1
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med2d
一种基于最小熵反褶积( ]8+83)3 6+D*(A4 Q20(+W(-)D8(+，]6Q) 的滚动轴承故障特征提取方法: 在利用 /X 模型去除齿轮啮合产生的确定性信号的基础上，对保留信号进行最小熵反褶积，增强冲击信号"该方法避免了传统轴承故障诊断方法中带通滤波器设计的难题，实车测试表明: 与共振解调技术相比，该方法提取的滚动轴承故障特征更加明显，更适合于工程应用"(Based on minimum entropy deconvolution (] 8+83) 3 6+D* (A4 Q20 (+W (-) D8 (+,] 6Q)' s fault feature extraction method: using/X model to remove the uncertainty generated signal gear on the basis of the retention signal minimum entropy deconvolution, and enhance the impact of signal " This method avoids the problems of traditional bearing fault diagnosis method of the bandpass filter design, real vehicle test showed that: compared with the resonance demodulation technology, which fault feature extraction method is more obvious, more suitable for engineering applications. " )
- 2020-12-04 22:49:24下载
- 积分：1
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princepleofcommunicationsystememulationalandapplic
第一部分 概论
第一章 仿真的作用
第二章 仿真方法论
第二部分 基本概念与方法
第三章 采样与量化
第四章 带通信号与系统的低通仿真模型
第五章 滤波器模型与仿真方法
第六章 案例研究：锁相环与微分方程方法
第七章 随机信号的产生与处理
第八章 后处理
第九章 蒙特卡罗方法导论
第十章 通信系统的蒙特卡罗仿真
第十一章无线系统仿真的方法论
第三部分
第十二章非线性系统的建模与仿真
第十三章时变系统的建模与仿真
第十四章波形信道的建模与仿真
第十五章离散信道模型
第十六章高效仿真技术
第十七章案例研究：蜂窝无线通信系统的仿真
第十八章仿真实例(err)
- 2008-01-07 15:19:47下载
- 积分：1
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robot
用simulink中的SimMechanics模块搭建两关节机械臂模型，并用S-function函数编写控制程序，采用的是计算力矩法跟踪参考信号。(SimMechanics module structures in simulink model of two-joint robot arm, and write control program, a function of the S-function is computed torque method tracks the reference signal.)
- 2021-04-22 22:58:49下载
- 积分：1
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Jerkxuli
Jerk系统产生的混沌模拟信号，并对其进行了离散化处理 (Chaos Jerk analog signal generated by the system, and its discrete processing)
- 2015-04-01 15:53:52下载
- 积分：1
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WienerScalart
Wiener filter based on tracking a priori SNR usingDecision-Directed
method, proposed by Scalart et al 96.(Wiener filter based on tracking a priori SNR usingDecision-Directed method, proposed by Scalart et al 96.)
- 2009-03-30 08:11:24下载
- 积分：1
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bishe
利用差值法根据已经给定的多个数据点画图
得到五个图形(Using difference method has been given under a number of data points are five graphic drawing)
- 2011-05-25 21:07:38下载
- 积分：1
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SeIn
This is for demo. Please have a look on to it.
- 2013-12-09 18:34:29下载
- 积分：1
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pfc_NR
％ 该Matlab程序基于牛顿－拉夫逊算法，用于计算已知导纳矩阵、PQ节点、PV节点、平衡节点(UA)的电力网络潮流
％ U - 各节点母线电压 S - 各节点注入功率 S_net - 电力网络总损耗
％ PQ_P - 实算PQ节点注入有功功率 PQ_Q - 实算PQ节点注入无功功率
％ delt_PQ_P - 实算PQ节点有功功率修正值 delt_PQ_Q －实算PQ节点无功功率修正值
％ delt_UA_P - 实平衡节点有功功率修正值 delt_U_2 - 实平衡节点电压平方修正值
％ delt_PQV - 实算P Q U^2修正值 J - 雅可比矩阵
％ e - 电压实部 f - 电压虚部 delt_ef - 电压实部与虚部修正值( The Matlab program based on the Newton- Raphson algorithm is used to calculate the admittance matrix is known, PQ node, PV node, the node balance (UA) the trend of the electricity networks U- the node bus voltage S- each node injection power S_net-- The total loss of electric power networks PQ_P- operator PQ is injected into active nodes PQ_Q- operator PQ is injected reactive power node delt_PQ_P- is considered the correct value of active power PQ node delt_PQ_Q- really count PQ node reactive power to amend the value of delt_UA_P- real active power balance of the correct value of the node delt_U_2- node voltage balance is the correct value of the square of delt_PQV- really count PQU ^ 2 the correct value of J- Jacobian matrix e- voltage real part f- the imaginary part of voltage delt_ef- voltage real part and imaginary part of the amendment value)
- 2006-11-06 21:20:24下载
- 积分：1
