说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 高次模截止频率
1)  Higher order mode cut off frequency
高次模截止频率
2)  high cutoff frequency
高截止频率
3)  Cut-off frequency
截止频率
1.
Study on cut-off frequency of abnormity wave-guide;
异型波导截止频率的研究
2.
Effect of Co ions substitute on the cut-off frequency of NiZn ferrites;
Co~(2+)取代对NiZn铁氧体材料截止频率f_r的影响
3.
Optimization design of excitation sources and samples position in computing cut-off frequency of waveguides by 2D-FDTD method;
2D-FDTD法计算波导截止频率的激励源设计与取样
4)  cut off frequency
截止频率
1.
The results show that one part of residual wavefront phase error changes with cut off frequency proportionally and another part inversely, so it becomes possible to find an optimal frequency which makes the systematic residual wavefront error minimal.
分别导出了时间响应误差和波面探测误差与截止频率之间的数学表达式, 表明剩余波差随截止频率的变化规律既有反方向部分, 又有正方向部分, 从而可以找到一个最优频率, 使得系统剩余波差最小。
5)  cutoff frequency
截止频率
1.
Mechanism of cutoff frequency of resonator tube in thermoacoustic engine;
热声热机谐振管截止频率选择机理
2.
Study on the influence to the cutoff frequency of semicircle-tunnel from the train;
列车对半圆拱形隧道中电磁波截止频率的影响
3.
Effects of the metallic pit prop on the electromagnetic wave cutoff frequency in the rectangular tunnel;
矩形隧道中的金属支护立柱对电磁波截止频率的影响
6)  3dB cut off frequency
3dB截止频率
补充资料:高模量高强度聚合物
分子式:
CAS号:

性质: 常指杨氏模量和断裂强度分别大于100GPa和3GPa的有机聚合物。实现高强高模的途径之一是将柔性高分子进行超拉伸,使卷曲或折叠的分子链拉直,并沿拉伸方向取向成伸直链结晶;另一是合成刚性棒状液晶高分子,从根本上抑制分子链的卷曲或折叠,使分子链构象或分子链间的滑移变形大大减小,外力作用在分子链的共价键上,从而大幅度提高聚合物的强度和模量。这两种方法的代表分别有超拉伸的超高分子量聚乙烯纤维,和液晶芳香聚酰胺纤维,前者的强度和模量已达到4GPa和210GPa,后者已达到2.9GPa和110GPa。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条