The tide admittance analysis for the semidiurnal wave of the earth tide by use of the vector pattern of ground tilt observed at seismostations is expounded.

阐述如何利用地震台观测得到的地倾斜矢量图对固体潮半日波进行潮汐导纳分析。

youdao

Ground objects can be effectively recognized by gray co-occurrence vector and gray co - dimension feature vector with BP neural network and Bayesian network, recognition rate of 70%.

利用灰度共生纹理特征向量和灰度共生-差分维数联合特征向量结合BP神经网络和朴素贝叶斯网络都能对地物进行有效识别，识别率在70%以上。

youdao

Putting forward the change detection flow of areal ground features based on vector map data.

提出基于地图矢量数据面状地物变化检测的流程。

youdao

I think it's clear, the position of the object with respect to the ground, this vector is the same as the position of the object with respect to the plane, plus the position of the plane with respect to the ground.

我觉得很明显,物体相对于地面的位置,这个矢量等于,物体相对于平面的位置矢量,加上物体相对于地面的位置矢量

耶鲁公开课 - 基础物理课程节选