The propagation characteristics of several kinds of laterally tapered transitional waveguides are analyzed using the beam propagation method(BPM).
基于光束传播法，对几种只沿纵向变化的锥形过渡波导的传输特性进行了分析。
Because the beam formed by a tapered coupler is produced by many rays that emerge at slightly different angles, the outgoing beam is characterized by a relatively large divergence.
因为尖劈耦合器形成的光束是由许多出射角稍有不同的光线组成的，放出射光束的特点是具有较大的发散度。
With the refraction principle of the prism, to use the double-prism mechanism, the tapered-scanning of the laser beam is accomplished.
利用棱镜的折射原理，通过旋转双棱镜的结构，实现激光束的圆锥扫描（二维扫描）。
A new critical moment formula of tapered beam is proposed, which is similar to the expression for beams with uniform cross-section.
提出了新的变截面梁临界弯矩计算式，其表达形式与等截面梁的公式相同，便于工程应用。
Tapered beam of a steel portal frame is numerically simulated by the finite element method, and the changes of temperature field under the ISO time-temperature curve and local fire are obtained.
采用有限元法对门式钢刚架结构中的变截面梁进行了数值模拟，分别得到其在ISO标准升温曲线和局部火灾下的温度场变化，考察了升温曲线及火源位置对变截面梁升温的影响。
A tapered beam element model is used to simulate the behaviour of an arch structure under loading.
采用较为简单的梯形梁单元分析圬工拱形建筑结构受荷载作用的力学性能。
Using a tapered waveguide Raman cell, the interaction region between the pumping laser beam and Raman media is increased.
采用斜波导的喇曼氢气池，使泵浦激光束在波导内部传播，增大了受激喇曼散射的作用区域。
A tapered beam element model is used to simulate the behaviour of a masonry arch bridge with loading.
采用梯形梁单元分析砖石拱桥在载荷作用下的行为。
By controlling the taper end size of the fiber, the unique tapered fiber can convert a multi-mode beam into a single-mode one.
通过控制拉锥后的末端光纤尺寸，实现了多模光束输入转换成单模光束输出。
The tapered I-section Beam-Columns with Slender Web is widely used in portal frame structure for its rational force form.
楔形宽腹工字形截面构件以其合理的受力形式，在门式刚架中被广泛应用。
The tapered I-section Beam-Columns with Slender Web is widely used in portal frame structure for its rational force form.
楔形宽腹工字形截面构件以其合理的受力形式，在门式刚架中被广泛应用。
应用推荐