frequency dispersion造句
例句與造句
- Mixed boundary and frequency dispersion suppressing in elastic wave numerical simulation
彈性波數(shù)值模擬的混合邊界與頻散抑制 - 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頻散特性來反映淺層地質(zhì)問題。 - 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頻散特性,并介紹了瑞雷面波勘探的兩種方法。 - 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
以雙端氨基柔性大分子為表面活性劑制備了多分散的- fe粒子,并在此基礎(chǔ)上以原位聚合復(fù)合法制備了環(huán)氧樹脂-鐵納米復(fù)合粒子,發(fā)現(xiàn)隨表面活性劑用量增加,復(fù)合粒子介電常數(shù)實部和磁導(dǎo)率先降低后增加,在表面活性劑用量為0 . 5g時復(fù)合粒子有較好的綜合性能,頻散特性優(yōu)于傳統(tǒng)微米羰基鐵吸收劑。 - 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
西安建筑科技大學(xué)碩士學(xué)位論文討論了影響不銀矜岡纖維電磁參數(shù)的幾個因素,實驗結(jié)果出發(fā)研究了纖維直徑、成分對纖維電磁參數(shù)的影響,得到以下結(jié)論:不鉀練岡纖維的微波磁導(dǎo)率隨纖維直徑的減小而增大; 2微米的304不銹鋼纖維的復(fù)數(shù)磁導(dǎo)率p ’ ‘在zgi ]吃處達(dá)到2 . 5 ; 302不韌矜岡纖維電磁勝能明顯優(yōu)于其它兩種,且頻譜特性在2 ~ 1zghz范圍內(nèi)符合對吸收劑頻譜特性的要求。 - It's difficult to find frequency dispersion in a sentence. 用frequency dispersion造句挺難的
- 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
摘要本文從地質(zhì)雷達(dá)正演原理著手,分析了差分格式中半空間步長與半時間步長的實現(xiàn)方法,同時通過分析數(shù)值頻散的產(chǎn)生,進(jìn)而推導(dǎo)出了理想頻散關(guān)系和超吸收邊界條件。