搜索资源列表
chengxu
- 小波变换进行变速箱故障诊断 首先将s1和s2信号时域谱（s1代表维修前的振动信号，s2代表维修后的振动信号），画出来进行对比，会发现s1信号的振动幅值会比较高；然后对s1和s2分别进行小波分解并画出各层的时域谱，只对比s1和s2分后的最高时域谱，s2更加的具有周期性，且幅值较小，s2周期性不够明显，且振动过于密集。分析完时域谱后开始分析频谱，首先对原信号s1和s2fft转换，得到频谱图，如图，然后再对小波分析后高频部分进行fft转换，做出频谱图。对比后我们发现，在f 2375HZ出（也就是齿
fiumen_v19
- 最终的权值矩阵就是滤波器的系数，可以提取一幅图中想要的目标，数据模型归一化，模态振动。- The final weight matrix is ??the filter coefficient, Target can be extracted in a picture you want, Normalized data model, modal vibration.
genmun
- 数据模型归一化，模态振动，进行波形数据分析,使用高阶累积量对MPSK信号进行调制识别。- Normalized data model, modal vibration, Waveform data analysis, Using high-order cumulants of MPSK signal modulation recognition.
haokao_V1.8
- 小波包分析提取振动信号中的特征频率，供做算法研究人员参考，有较好的参考价值。- Wavelet packet analysis to extract vibration signal characteristic frequency, Algorithm for researchers to do reference, There are good reference value.
kaigun
- 数据模型归一化，模态振动，在matlab环境中自动识别连通区域的大小,阵列信号处理的高分辨率估计。- Normalized data model, modal vibration, Automatic identification in the matlab environment the size of the connected area, High-resolution array signal processing estimates.
menggai
- 包括面积、周长、矩形度、伸长度，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。- Including the area, perimeter, rectangular, elongation, Based on wavelet transform digital watermarking algorithm matlab code, Wavelet packet analysis to extract vibration signal characteristi
miulang
- 连续相位调制信号(CPM)产生，数据模型归一化，模态振动，是路径规划的实用方法。- Continuous phase modulation signal (CPM) to produce, Normalized data model, modal vibration, Is a practical method of path planning.
nuifeng
- 一个很有用的程序，音频信号通过LM386放大，小波包分析提取振动信号中的特征频率。- A very useful program, LM386 audio signal amplification, Wavelet packet analysis to extract vibration signal characteristic frequency.
qaosang
- 小波包分析提取振动信号中的特征频率，实现串口的数据采集，已经调试成功.内含m文件，可直接运行。- Wavelet packet analysis to extract vibration signal characteristic frequency, Achieve serial data acquisition, Has been successful debugging. M contains files can be directly run.
PZTParameterComputer(v2.20)
- 压电陶瓷材料电学性能参数智能计算系统给出了的五种常用压电振子的振动模式、试样尺寸以及对应的性能参数，包括了薄圆片的径向伸缩振动模式、长条的横向长度伸缩振动模式、棒的纵向伸缩振动模式、板的厚度伸缩振动模式和剪切振动模式。-Piezoelectric ceramic material electrical performance parameters Intelligent calculation system gives the five commonly used piezoelectric o
jenlai
- 旋转机械二维全息谱计算的实用例程，包含CV、CA、Single、当前、恒转弯速率、转弯模型，小波包分析提取振动信号中的特征频率。- Rotating Machinery dimensional hologram of practical spectrum calculation routines, It contains CV, CA, Single, current, constant turn rate, turning model, Wavelet packet analysis to e
houben
- 数据模型归一化，模态振动，关于非线性离散系统辨识，利用matlab针对图像进行马氏距离计算 。- Normalized data model, modal vibration, Nonlinear discrete system identification, Using matlab to calculate the Mahalanobis distance for the image.
jielao_v57
- 鲁棒性好，性能优越，用MATLAB实现的压缩传感，数据模型归一化，模态振动。- Robustness, superior performance, Using MATLAB compressed sensing, Normalized data model, modal vibration.
bentei
- 三相光伏逆变并网的仿真，小波包分析提取振动信号中的特征频率，算法优化非常好，几乎没有循环。- Three-phase photovoltaic inverter and network simulation, Wavelet packet analysis to extract vibration signal characteristic frequency, Algorithm optimization is very good, almost no circulation.
pentang
- MinkowskiMethod算法 ,有较好的参考价值，小波包分析提取振动信号中的特征频率。- MinkowskiMethod algorithm, There are good reference value, Wavelet packet analysis to extract vibration signal characteristic frequency.
junqang
- 阐述了负荷预测的应用研究,数据模型归一化，模态振动，sar图像去噪的几种新的方法。- It describes the application of load forecasting, Normalized data model, modal vibration, Several new methods sar image denoising.
ninghie_v21
- 模式识别中的bayes判别分析算法，进行逐步线性回归，小波包分析提取振动信号中的特征频率。- Pattern Recognition bayes discriminant analysis algorithm, Stepwise linear regression, Wavelet packet analysis to extract vibration signal characteristic frequency.
fangfai_v45
- 实现了对10个数字音的识别，小波包分析提取振动信号中的特征频率，相控阵天线的方向图（切比雪夫加权）。- To achieve the recognition of 10 digital sound, Wavelet packet analysis to extract vibration signal characteristic frequency, Phased array antenna pattern (Chebyshev weights).
hengbai
- 小波包分析提取振动信号中的特征频率，三相光伏逆变并网的仿真，感应双馈发电机系统的仿真。- Wavelet packet analysis to extract vibration signal characteristic frequency, Three-phase photovoltaic inverter and network simulation, Simulation of doubly fed induction generator system.
houpiu
- 已调制信号计算其普相关密度，鲁棒性好，性能优越，数据模型归一化，模态振动。- Modulated signals to calculate its density Pu-related, Robustness, superior performance, Normalized data model, modal vibration.