1) wavelet gray moment
小波灰度矩
2) wavelet grey moment vector
小波灰度矩向量
1.
According to the essential characteristics of fault diagnosis of mechanical equipment and traits that continuous hidden Markov model(CHMM) has the great ability of classifying time sequence pattern,a method of fault diagnosis based on the wavelet grey moment vector and CHMM for the rolling bearing was put forward.
根据机械设备故障诊断本质特征和连续马尔可夫模型(CHMM)所具有的较强的时序模式分类能力的特点,提出了一种基于小波灰度矩向量与CHMM的滚动轴承故障诊断方法。
3) wavelet velocity moments
小波速度矩
5) gray-level matrix
灰度矩阵
1.
Fault diagnosis system for pump work indicating diagram based on neural network and gray-level matrix;
基于人工神经网络和灰度矩阵的泵功图诊断
6) gray moment
灰度矩
1.
An improved algorithm for subpixel edge detection using gray moment;
一种改进的灰度矩亚像素边缘检测算法
2.
It is demonstrated in the paper that the gray moment is effecti.
连续小波变换(CWT)能有效地对水电机组非平稳信号进行细化分析,经过CWT后,蕴涵的状态信息能够在尺度域很好地体现出来,通过小波系数图像素的亮度可分析各个频率成分所占能量比例,引入的灰度矩可体现系数图特征,实例计算验证了灰度矩可作为一个蕴涵机组振动特征的征兆量,可定量地对机组振动情况进行评价,为水电机组分析诊断提供了一种新的征兆量。
3.
Through analyzing the gray variation character on the boundary between the wear area and the nonwear area of the tool surface,a threshold was determined to catch the original image of the wear region,gray gradient and gray moment were utilized to obtain the boundary points so as to form a boundary curve of wear area of.
通过分析刀具表面由磨损区向非磨损区过渡边缘的灰度变化特性,设定阈值初步分割磨损带,采用灰度梯度与灰度矩精确定位磨损带边缘,最后重建磨损图像,处理图像数据得到磨损量Vb。
补充资料：矩矩吒
【矩矩吒】
（动物）又作鸠鸠吒。鸡也。见求法高僧传等。
（动物）又作鸠鸠吒。鸡也。见求法高僧传等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条