1) low order modes
低阶模态
1.
Sound radiation analysis of low order modes from finite stiffened double cylindrical shell;
有限长加筋双层圆柱壳低阶模态声辐射性能分析
2.
Sound radiation analysis of low order modes from a submerged finite stiffened double cylindrical shell coated with viscoelastic layer is systematically studied in this paper.
本文研究的是流场中敷设阻尼材料的有限长加筋双层圆柱壳的低阶模态声辐射性能,壳体的振动用Fli gge壳体方程来描述,通过将加筋结构等效为反力和反力矩加在圆柱光壳表面上,采用Helmholtz波动方程和壳体表面的边界条件推导出声-流场-结构的耦合振动方程,然后采用相应的求解方法进行求解。
2) low order model
低阶模型
1.
A low order model reference adaptive control scheme had been proposed for one frequency variable speed regulation system.
提出了一种基于低阶模型参考自适应的交流变频调速系统的设计方案。
3) low-order modes
低阶模式
1.
The effects of the atmospheric turbulence disturbance for free-space laser communication systems are analyzed in the paper, and the correction of low-order modes with adaptive optics system for wave-front error are also discussed.
本论文分析和论述了大气扰动对空间激光通信的影响以及利用自适应光学系统校正低阶模式波前误差理论。
4) low order modes
低阶模式
1.
Phase structure function, residual phase structure function and long exposure optical transfer function (OTF) of an adaptive optical system used as low order modes correction are deduced by introducing the generalized phase spatial spectrum when low order modes are corrected.
引入规格化的相位谱[不一定为科尔莫戈罗夫(Kolm ogorov)谱], 推导了大气湍流相位结构函数、低阶模式校正后的残余相位结构函数以及长曝光光学传递函数(OTF)。
2.
Temporal power spectra of low order modes[tilt(Z tilt, G tilt), defocus, astigmatism, coma] of atmospheric turbulent wavefront are deduced by introducing generalized phase spatial spectrum.
引入规格化的相位谱, 推导了大气湍流波前低阶模式( Z倾斜和 G倾斜、离焦、像散以及彗差)的时间功率谱, 并就水平大气传输、星体目标观测、空间目标监测等几种情况作了实际的数值计算及分析, 此外还给出了 G倾斜功率谱的实验结果。
5) modal order
模态阶序
6) jump pattern
阶跃模态
1.
This paper presented a fuzzy neural network model for intelligently identifying the trend and jump pattern, introducd the structure of this model and method of constructing training sample and training algorithm.
建立了智能识别趋势模态及阶跃模态的模糊神经网络模型 ,讨论了模糊神经网络模型的结构、训练样本的构造及训练算法 ,最后用实验数据对该模型作了测验。
补充资料:二氧化双环戊二烯B阶树脂模塑料
分子式:
CAS号:
性质:又称二氧化双环戊二烯B阶树脂模塑料。以二氧化双环戊二烯B阶树脂为基料配制的能采用模塑方法成型的配混料。产品性能为:弯曲强度110MPa,冲击强度5.4kJ/m2;马丁耐热240℃;体积电阻率1.3×1016Ω·cm,介电强度24.5MV/m。由二氧化双环戊二烯B阶树脂,用石英粉等作填料,再加脱模剂配混制得。可用模塑法制成耐热、耐候制品用于军工和民用方面。
CAS号:
性质:又称二氧化双环戊二烯B阶树脂模塑料。以二氧化双环戊二烯B阶树脂为基料配制的能采用模塑方法成型的配混料。产品性能为:弯曲强度110MPa,冲击强度5.4kJ/m2;马丁耐热240℃;体积电阻率1.3×1016Ω·cm,介电强度24.5MV/m。由二氧化双环戊二烯B阶树脂,用石英粉等作填料,再加脱模剂配混制得。可用模塑法制成耐热、耐候制品用于军工和民用方面。
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