軟導彈基地 的英文怎麼說
中文拼音 [ruǎndǎodànjīde]
軟導彈基地
英文
soft missile base-
Then the judging method is proposed, and the proposed method can consider the stress history and viscosity shear strength of soft soil. in this paper, a fem program dpfbm1. 0 ( double plastic foundation beam method ( version 1. 0 ) ) is established. with this program, the influence of some parameters on foundation excavation is fully studied, the parameters include : compression modulus, cohesive strength, angle of internal ficiction, effective angle of internal friction, the embedded length of the wall and building load
針對當前國內外彈性地基梁法存在的缺陷，基於對軟土流變性的研究，採取了剪應力判斷彈塑性狀態，以改進和完善基坑工程彈性地基梁法，推導了彈性狀態下地基反力系數的近似解，提出了採用剪應力組合判斷土彈簧彈塑性狀態的方法，編制了相應的彈塑性共同變形法分析程序dpfbm1 . 0 （ doubleplasticfoundationbeammethod （ version1 . 0 ） ） ，並採用該程序分析了壓縮模量、粘聚力、內摩擦角等參數變化對基坑工程的影響。Linear elastic dynamic fracture mechanics are adopted to analyze the working characters of the semi - rigid asphalt pavement with the reflective cracking. it is successful to simulate the crack expansion process based on elastic damage theory, at the same time the fatigue life is forecast. the research findings are valuable for the pavement engineering practice on the soft clay ground
本文分析路表變溫對軟土地基上半剛性路面結構體的作用時，考慮了路表降溫導致瀝青混凝土回彈模量的非均勻性，採用線彈性動斷裂力學分析軟土地基上含反射裂縫半剛性路面結構體的工作性狀。According with the characteristics of pore water seepage and soil deformation, the 1 - d rebound anti - consolidation model is set up. then the anti - consolidation differential coefficient equation is deduced and the corresponding a nalytical solution is obtained. in succession using the above theory, the influence to effective stress area ratio of some factors, such as preloading time, surcharge ' s magnitude and the depth of vertical drain
針對卸載后淺部地基孔隙水滲流和土體變形特性，建立了軟土地基一維回彈吸水固結模型，推導了吸水固結微分方程，並求出了方程的解，同時，給出了回彈變形計算公式。Then according to system simulation technology, the overall air - to - ground attack simulation plan is made with the thought of models and layers. after that, the mathematical models of main parts in the simulation are made such as aircraft body, propulsive system, flight control system, fire control system, bomb and air - to - ground missile. on the basis of these mathematical models, using the object - oriented design methodology, a set of air - to - ground attack real - time visual simulation software is developed. this software can be used to aid aircraft design, research of air - to - ground attack tactics and flight training
本文首先介紹了現代戰爭中空對地攻擊的技術裝備及其特點，計算機模擬技術的發展以及面向對象的軟體設計思想；而後使用系統模擬技術，依據分層、模塊化設計思想，制定了空對地攻擊模擬系統總體設計方案；之後根據目前技術狀況，建立了戰斗機機體、推進系統、飛控系統、火控系統、航空炸彈、空地導彈等子系統數學模型；在此基礎上，利用面向對象的軟體設計思想，在基於pc的平臺上開發了一套對地攻擊視景模擬軟體，實現了戰斗機對地攻擊實時視景模擬。As a whole, the research work of this dissertation can be summarized as follows : ( 1 ) based on the porous media elastic unstable theory, the interfering well flow model of soft soil two - layer structure underground confined water is inferred, and consequently, the basic dewatering calculation method of soft - soil two - layer deep excavation dewatering is inferred
具體研究內容如下： （一）從彈性多孔介質滲流理論出發，推導出二元結構承壓含水層群井干擾穩定流模型，進而導出軟土地區二元結構地層深基坑降水的基本計算方法。Abstract : the excess pore water pressure of saturated soft clay foundation caused by pile pushing is obvious. the method for calculating squeezing stress and excess pore pressure by elastic - plastic theory is deduced in this paper, and furthermore, the reasonable pile spacing by regarding the influence of both squeezing stress and excess water pressure is given
文摘:飽和軟粘土地基沉樁過程中樁土擠壓所引起的樁周土體超孔隙水壓力效應是非常顯的.本文從彈塑性理論出發推導出沉樁過程中樁周土體擠壓應力及超孔隙水壓力的計算公式，給出了考慮擠壓應力和超孔隙水壓力影響因素的合理打樁間距的確定方法And the results show that the calculated settlement agree well with that of measured. the paper established the dynamic pore pressure models of soft soil subgrade and composite foundation, compiled the dynamic fem program of undrained effective stress method, considering the elasto - plasticity of foundation soil as well as the interaction of pavement and foundation, thoroughly analyzed the deformation characteristics of pavement and foundation, and these results are instructive for the construction of pavement or airport runway
本文建立了軟土地基和復合地基的動孔壓經驗模型，編制了不排水有效應力動力反應分析有限元程序，不僅考慮了地基土體的彈塑性，而且考慮了道路結構與地基的相互作用，比較全面地分析了交通荷載作用下道路與地基的整體變形特性，對道路工程或機場道面工程的建設具有一定的指導意義。On the basis of previous work, we developed a new data processing system by use of dsp & oop. the new system overcame the problems existed in the old data processing system successfully, such as the bug which cause program dead loop when the data is too long, and the frequency leak due to principle limit of fft filter. in addition, we eliminated the measurement error brought on by phase warp
我們在前人的工作基礎上，利用現代數字信號處理技術和面向對象的軟體開發技術，統一了彈上黑匣子數據處理系統的操作平臺，完善了轉速、掃描角測試數據處理系統，修正了原有處理程序中的因數據長度過長而導致程序死鎖的bug ；利用有限沖擊響應（ fir ）濾波器，在濾去噪聲的同時，有效地解決了矩形窗fft濾波的頻譜泄漏問題；另外還解決了因相位偏差而導致的測試誤差。分享友人