frequency dispersion造句
例句与造句
- Mixed boundary and frequency dispersion suppressing in elastic wave numerical simulation
弹性波数值模拟的混合边界与频散抑制 - It ' s main idea that making use of frequency dispersion of rayleigh wave to reveal geology structure of low layer
其主要思想是利用瑞雷波的频散特性来反映浅层地质问题。 - Moreover , we analyze the frequency dispersion of rayleigh wave firstly , then we introduce the two methods of surface wave exploration
本文首先分析了瑞雷波的频散特性，并介绍了瑞雷面波勘探的两种方法。 - Polydispersed a - fe nanoparticles have been obtained by using bi - amine terminated polyurethane flexible macromolecule as a surfactant , and on the basis of them , the epoxy - iron nanocomposite particles have been synthesized by in situ polymerization compositing technology . the real parts of both the permittivity and the permeability of the nanocomposite decrease firstly and then increse with increasing dose of surfactant . the composite particles have ideal comprehensive properties at the dosage of the sufactactant of 0 . 5 g , and its frequency dispersion exceeds that of traditional micrometer carbonyl iron powders
以双端氨基柔性大分子为表面活性剂制备了多分散的- fe粒子，并在此基础上以原位聚合复合法制备了环氧树脂-铁纳米复合粒子，发现随表面活性剂用量增加，复合粒子介电常数实部和磁导率先降低后增加，在表面活性剂用量为0 . 5g时复合粒子有较好的综合性能，频散特性优于传统微米羰基铁吸收剂。 - From the experimental results , we studied the relationship between the diameter of fiber , the composition of s s and the impacts upon the electromagnetic parameter of fibers . get following conclusions : both the complex permeability and the complex permittivity of ss fibers decreased with the increase of diameter in some region , the complex permittivity of 304 ss fibers , 2 m in diameter , could be up to 2 . 5 at the 2 ghz , the 302 ss fibers had better frequency dispersion properties than others , agreed with the requirements of the wide - band radar absorbing material in the range of 2ghz ~ 12ghz
西安建筑科技大学硕士学位论文讨论了影响不银矜冈纤维电磁参数的几个因素，实验结果出发研究了纤维直径、成分对纤维电磁参数的影响，得到以下结论:不钾练冈纤维的微波磁导率随纤维直径的减小而增大; 2微米的304不锈钢纤维的复数磁导率p ’ ‘在zgi ]吃处达到2 . 5 ; 302不韧矜冈纤维电磁胜能明显优于其它两种，且频谱特性在2 ~ 1zghz范围内符合对吸收剂频谱特性的要求。 - It's difficult to find frequency dispersion in a sentence. 用frequency dispersion造句挺难的
- Based upon the forward simulation principle of ground penetrating radar , this article analyzes the realization method of the half grid spacing and the half time increment in difference format , at the same time analyzed the produce of the numerical frequency dispersion , then deduced the ideal frequency dispersion relationship and the super absorbing boundary condition
摘要本文从地质雷达正演原理著手，分析了差分格式中半空间步长与半时间步长的实现方法，同时通过分析数值频散的产生，进而推导出了理想频散关系和超吸收边界条件。