1) local fringe rates
局部条纹频率
1.
2D Gaussian filter based on local fringe rates estimation is proposed.
提出一种基于局部条纹频率估计的干涉相位图二维高斯滤波方法。
2) fringe frequencies
条纹频率
1.
The fringe frequencies and fringe gradient orientation of the speckle fringe pattern are obtained by windowed Fourier operation.
通过加窗傅里叶运算提取散斑条纹图的条纹频率和条纹梯度方向,并利用它们确定具有频率和方向选择性的Gabor滤波器对散斑条纹图进行Gabor滤波。
3) Local frequency
局部频率
4) local frequency method
局部频率法
1.
On the damage location of derricks based on local frequency method;
基于局部频率法的井架损伤定位研究
2.
Damage location of a derrick is determined by using local frequency method, whic h is implemented by analyzing the changes of local inherent frequency of the str ucture as damages existed in the derrick structure.
应用局部频率法确定井架损伤部位是通过分析井架结构存在损伤时结构局部固有频率的变化来实现的。
5) local frequency change ratio
局部频率变化率
1.
Based on element local frequency change ratio method and element modal strain energy ratio method, numerical study is carried on to detect the damage of the bridge.
利用单元局部频率变化率法和单元模态应变能比法 ,对连续梁桥进行了损伤诊断的数值模拟研究 。
6) holographic fringe frequency
全息条纹频率
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
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