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bpsk
再高斯信道和瑞利信道下bpsk误码率的分析(Again Gaussian and Rayleigh channels channel bit error rate analysis bpsk)
- 2009-05-11 10:19:10下载
- 积分:1
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foundmationsformatlab
to enhance the ability of vc programming and the ability of visual application for example GUI
- 2012-05-15 17:39:37下载
- 积分:1
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Stable-adaptive-fuzzy-control-for-MIMO-non-linear
Stable adaptive fuzzy control for MIMO non linear systems 2011
- 2013-12-17 19:23:04下载
- 积分:1
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cluster VMDaFCM casedat
为了精准、稳定地提取滚动轴承故障特征,提出了基于变分模态分解和奇异值分解的特征提取方法,采用标准模糊C均值聚类(fuzzy C means clustering, FCM)进行故障识
别。对同一负荷下的已知故障信号进行变分模态分解,利用
奇异值分解技术进一步提取各模态特征,通过FCM形成标准聚类中心,采用海明贴近度对测试样本进行分类,并通过计算分类系数和“卜均模糊嫡对分类性能进行评价,将该方法
应用于滚动轴承变负荷故障诊断。通过与基于经验模态分解的特征提取方法对比,该方法对标准FCM初始化条件小敏感,在同负荷故障诊断中表现出更好的分类性能 变负荷故障诊断时,除外圈故障特征线发生明显迁移,其他测试样本故障特征线仍在原聚类中心附近,整体故障识别率保持在100 ,因此,该方法能精确、稳定提取故障特征,为实际滚动轴承智能故障诊断提供参考。( In order to extract fault features of rolling bearing precisely and steadily, a method which is based on variational mode decomposition(VMD) and singular value
decomposition was proposed for fault diagnosis using standard
fuzzy C means clustering(FCM). First of all, the known fault signals measured in the same load but with different faults were
decomposed by VMD, and the modes characteristics were
further extracted using singular value decomposition technique,forming the standard clustering centers by FCM, and then the
test samples were clustered by a Hamming nearness approach,
and the classification performance was uated by calculating classification coefficient and average fuzzy entropy. At last, the method was applied in rolling bearing fault diagnosis under
variable loads. By comparing with a method based on EMD,
this approach is not sensitive to the initialization of standard FCM, and exhibits better classification performance in the same load fault diagnosis Fo)
- 2020-11-11 20:59:44下载
- 积分:1
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20100203
说明: 用matlab语言实现的将图像的进行dpcm编码算法,之后进行图像重构,进行前后图像的对比。(With matlab language will be dpcm image coding algorithm, after the image reconstruction, the images before and after contrast.
)
- 2011-03-25 10:30:18下载
- 积分:1
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xygg
相移光纤光栅计算的matlab仿真程序,值得参考啊(the matlab program of Phase shift fiber grating is worthy of reference.
)
- 2012-11-22 08:50:23下载
- 积分:1
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Desktop
新手上路学习matlab必读必要,每个都试过,绝对好用,大家分享(Matlab novice must read to learn the necessary road, each tried, absolutely easy to use, share)
- 2010-10-14 22:19:16下载
- 积分:1
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nf_eval
evaluate the Newton form of the interpolating polynomial
- 2010-02-08 16:17:13下载
- 积分:1
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wienerfilter
利用计算机编程实现加性干扰信号的维纳滤波(Computer programming additive interference signal Wiener filter)
- 2010-05-31 21:42:40下载
- 积分:1
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MATLABGUI
MALAB GUI设计控制系统分析与设计界面,包含控制系统中常见的功能,传递函数的输入和创建,性能指标计数显示,绘制常用曲线等.(MALAB GUI design of control systems analysis and design interface, the control system includes a common function, transfer function of the input and creation, performance counts show that used to draw curves.)
- 2010-11-25 13:59:48下载
- 积分:1