With the blocking idea,the watermark is embedded into the Fourier semicircle region.
该算法基于分块思想将水印嵌入到傅立叶频域的半圆形区域。
The paper briefly analyzed some problems most frequently occurred in the processing and measurement of big diameter small half circle parts, and suggested some concrete solutions.
结合在制造配件过程中遇到的大直径小半圆孔加工和测量方面的问题进行了简单的分析,提出了具 体的解决方案。
Design calculation of the semi-circled spiral in the SHE;
螺旋板换热器半圆螺线设计计算
Development of the hemicycle deep trough belt conveyor;
半圆形深槽带式输送机的研究