The principle of multiscale edge detection by wavelets is presented firstly, and the multiscale edges of the earth's gravity field are analyzed with the EGM96 model as an example.
简要介绍了小波多尺度边缘检测的基本原理，以EGM96重力场模型为例分析了地球重力场的多尺度边缘。
In this paper, The principle of superposition and the concept of generalized simply supported edge are used to solve the bending of rectangular plates with multiple point supports along four edges.
本文用迭加原理和广义简支边的概念，解决了四边被多个点支承的矩形板的弯曲问题。
The principle is measuring by detecting the signature of the object's image, which is used as a information carrier for detection and transmission, such as edges.
其原理是以被测对象的图像作为检测和传递信息的载体，通过检测图像的特征信号如边缘等来进行测量。
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