complex cavity造句
例句與造句
- Analysis on the characteristic of cold complex cavity with gradual transition of various obliquity
漸變段傾角對(duì)漸變復(fù)合腔特性影響的分析 - It is applied to the analyses of electromagnetic scattering by electrically large complex cavities
建立了ipo fem混合法數(shù)學(xué)模型,并將其應(yīng)用于分析電大尺寸復(fù)雜結(jié)構(gòu)腔體的電磁散射特性。 - In this paper , edge - based finite element method ( fem ) is combined with the auto - meshing technique in the analysis of electromagnetic problems related to complex cavities
將矢量有限元方法( eb - fem )與網(wǎng)格自動(dòng)剖分技術(shù)相結(jié)合對(duì)復(fù)雜腔體中的電磁問題進(jìn)行分析。 - When using fmm in mom , we also have optimized the calculation and storage of the matrix , by doing this , the analyses efficiency of electrically large complex cavities improved a lot
在mom中應(yīng)用了fmm快速技術(shù),并結(jié)合計(jì)算過程中矩陣的優(yōu)化計(jì)算和存儲(chǔ),在保證精度的條件下使計(jì)算效率得到顯著提高。 - 3 . based on the simulation , a 8mm third harmonic complex cavity gyrotron with gradual transition , to which a permanent magnet system could be used , is designed and tested
三、在數(shù)值模擬研究的基礎(chǔ)上,設(shè)計(jì)了用于永磁包裝的8mm波段三次諧波漸變結(jié)構(gòu)復(fù)合腔回旋管互作用腔體及有關(guān)工作參量,并進(jìn)行了測試。 - It's difficult to find complex cavity in a sentence. 用complex cavity造句挺難的
- Along with the increasingly demands for military affairs and the development of information technology , studying on the fast algorithm for the scattering of electrically large complex cavities is meaningful
隨著軍事需求的日益增長和信息技術(shù)的快速發(fā)展,研究電大尺寸復(fù)雜結(jié)構(gòu)腔體的電磁特性的快速算法具有重要的現(xiàn)實(shí)意義。 - The method of moment ( mom ) is an exact numerical method for the analyses of electromagnetic characteristics of complex objects , but the efficiency is lower , so it is difficult in solving the scattering of electrically large complex cavities
矩量法( mom )雖然能夠精確計(jì)算復(fù)雜形狀目標(biāo)的電磁特性,但其計(jì)算效率較低,難以解決電大尺寸復(fù)雜腔體的電磁問題。 - For the shortages of analyses efficiency of the two methods , this dissertation is mainly discussed about the use of fast algorithm in mom , ipo and ipo - mom to raise the analyses efficiency of electrically large complex cavities
針對(duì)這兩種方法在計(jì)算效率上的不足,本文主要的研究目的是將快速算法應(yīng)用于ipo , mom以及ipo - mom混合算法中,以提高電大尺寸腔體電磁散射特性的快速分析能力。 - The influences of the tm modes on the rf distribution of the complex cavity are analyzed in detail . further more , the influences of the angle of the section with gradual transition on the rf distribution of the complex cavity are analyzed in detail . 2
主要工作如下:一、在多模情況下,利用模式耦合理論,對(duì)漸變結(jié)構(gòu)復(fù)合腔的高頻特性進(jìn)行了研究,詳細(xì)地分析了漸變復(fù)合腔中電波模式對(duì)高頻特性的影響。 - The analysis of electrically large complex cavity is an important topic in the field of computational electromagnetics . it is meaningful to the development of stealth and anti - stealth technology , electromagnetic compatibility of electronic equipments as well as the design of some relevant microwave devices
電大尺寸復(fù)雜腔體的電磁特性分析是計(jì)算電磁學(xué)中重要的研究內(nèi)容,它對(duì)飛行器隱身與反隱身技術(shù)研究、電子設(shè)備電磁兼容性能分析以及有關(guān)微波器件設(shè)計(jì)具有重要意義。 - The detail study on the interaction between the electron beam and standing wave of complex cavity gyrotron with gradual transition and gyroklystron has been done in this dissertation , supported by the pre - study important items " the study on 8mm third harmonic gyrotron with a permanent magnet system " and " the study on 8mm high power gyroklystron " . the main works of this dissertation are listed as following : 1 . the study on the rf distribution of the complex cavity with gradual transition is presented , in which the multi - modes coupling are taken into account
本論文就是結(jié)合該課題組的“九?五”重點(diǎn)項(xiàng)目“ 8mm三次諧波永磁包裝回旋管技術(shù)的研究”及“十?五”重點(diǎn)項(xiàng)目“ 8mm高功率回旋速調(diào)管技術(shù)的研究” ,對(duì)以諧振腔為互作用高頻系統(tǒng)的回旋脈塞器件中兩種典型的器件? ?回旋振蕩管及回旋速調(diào)管中電子注與駐波場的互作用進(jìn)行了深入細(xì)致的探討和研究,其中回旋振蕩管采用的是漸變復(fù)合腔。 - Based on the self - consistent nonlinear theory of complex cavity gyrotron with gradual transition , a simulation code of self - consistent nonlinear beam - wave interaction has been made , in which the multiple modes interaction with an electron beam and the mode coupling are taken into account . the interaction between the electron beam and hsn - h521 rf field for third - harmonic gyrotron is simulated . the influences of the thickness and the velocity spread and the velocity ratio of the electron beam and the fluctuation of the magnetic field and the technologic errors of complex cavity on the multi - modes interaction with an electron beam are analyzed
二、在漸變復(fù)合腔回旋管多模自洽非線性理論的基礎(chǔ)上,編制了高次諧波漸變復(fù)合腔回旋管多模注?波互作用自洽非線性模擬軟件,并對(duì)8mm波段三次諧波漸變結(jié)構(gòu)復(fù)合腔回旋管的注? ?波互作用進(jìn)行了大量的自洽非線性數(shù)值模擬計(jì)算與研究,進(jìn)而分析了電子注的厚度、速度零散、速度比值、磁場波動(dòng)、腔體尺寸的加工誤差等等多種因素對(duì)互作用效率的影響。 - Aiming at efficient analyses of electromagnetic characteristics of electrically large complex cavities , some hybrid techniques are developed based on eb - fem , including ipo / fem , extended ipo , improved ipo / fem , ddm / fem - bie , ddm / fem - po - ptd , fem / ibc , and fem / pml . the following contributions have been made in this dissertation : a novel hybrid approach is proposed in which iterative physical optics ( ipo ) subdomain - splicing technique is combined with eb - fem , the mathematical model of the proposed ipo / fem is established by some approximate methods
本文以eb - fem為基礎(chǔ),以電大尺寸復(fù)雜腔體的電磁特性為分析對(duì)象,對(duì)eb - fem與迭代物理光學(xué)法( ipo ) 、區(qū)域分解法( ddm ) 、阻抗邊界條件( ibc ) 、完全匹配層( pml )和mur吸收邊界條件的結(jié)合算法以及具有非完純導(dǎo)體邊界的ipo理論模型進(jìn)行了研究。