To predict helicopter vortex ring state boundary is necessary for flight safety.
直升机涡环状态边界的确定对直升机飞行安全具有重要意义。
An experimental study of inlaid circular ring under impact force on interior boundary is also conducted. The result shows that the stress is distributed within a limited scope.
对内边界受冲击力作用的镶嵌圆环也进行了实验研究，结果表明，应力分布局限在有限范围内。
This paper gives a solution of the characteristic equations of the boundary conditions of the dielectric ring loaded horn.
本文对介质环加载边界条件特征方程进行了求解。
English name :Rolling bearings. Boundary dimensions. Part 4:Flange dimensions of radial ball bearings with flanged outer ring.
简体中文标题：滚动轴承。外形尺寸规格。第4部分：带法兰凸缘外环的径向滚珠轴承的法兰尺寸规格。
A reasonable criterion of vortex ring state boundary for helicopter is acquired based on model rotor tests.
通过模型旋翼试验得到了合理的直升机涡环边界判据，并由此计算得到了直升机通用涡环状态边界。
The temperature field and thermal deformation of the piston and ring carrier was used as the boundary in the calculation of stress field.
计算时把温度场和热变形作为结构应力计算的边界，获取活塞镶圈在热负荷状态下的综合应力场。
An experimental study of inlaid circular ring under impact force on interior boundary is also conducted. The result shows that the stress is distributed in a limited scope.
文中还对内边界受冲击力作用的镶嵌圆环进行了动光弹实验，结果表明，应力分布局限在有限范围内。
The researches provided not only theoretic bases for controlling of rolls but also references for boundary conditions of ring and rolls in finite element simulation.
研究结果为实际生产中轧辊的控制提供了理论依据，为有限元模拟中环件与轧辊边界条件的设定提供了参考。
DCMA combines the conventional CMA and SR-CMA, and the switch process between CMA and SR-CMA is realized by decision circle ring which boundary is decided by the signal-to-noise radio.
该算法将常规CMA算法和SR-CMA算法相结合，通过判决圆环完成两种算法之间的切换，根据信噪比确定判决圆环的边界。
This leads to transformation formulas for the connecting boundary of the dielectric ring loaded waveguide and smooth walled waveguide.
导出了介质环加载波导与光壁波导连接处的模转换计算公式。
The simulation shows that there are two maximum ENA flux regions, i. e. , the ring current inner boundary region and particle precipitation region at the northern and southern poles.
研究表明，存在环电流区方向和南北极区环电流粒子沉降带两个中性原子强度极大区域；
The simulation shows that there are two maximum ENA flux regions, i. e. , the ring current inner boundary region and particle precipitation region at the northern and southern poles.
研究表明，存在环电流区方向和南北极区环电流粒子沉降带两个中性原子强度极大区域；
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