混響程序 的英文怎麼說
中文拼音 [húnxiǎngchéngxù]
混響程序
英文
reverberation program-
The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part
本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響,建立回波信號的數學模型、環境場中的噪聲信號模型(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響模型,模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號; ( 3 )深入研究並建立了自導模擬系統的總體框架,給出各個具體功能模塊組成,討論了聲自導系統對信號的時域與空域處理,並結合模擬程序中陣列信號處理模塊,給出固定多通道波束形成的模擬實現過程; ( 4 )根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體,通過網路與控制系統相連,組成完整的魚雷模擬器。The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore
第一章回顧了孔結構在當今國內外的研究現狀,包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀,介紹了孔結構研究方面的一些最重要的成果;第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理,並討論了水泥基多孔材料孔隙分析中常用的表徵參數,也說明了壓汞法測孔對研究結果的影響因素,指出了壓汞法在孔結構研究中的局限性;第三章是著重分析了孔隙率與強度關系模型的發展歷程,並對已有的模型進行了比較分析,指出了原有模型的不足之處;第四章在「綜合集成」的基礎上,提出了混凝土孔結構復合體模型和孔系統的物理模型,並模擬了該模型下由各單體並聯形成的復合體的斷裂過程,最後根據所建模型編制了相應的計算程序,可根據輸入的孔徑分佈與水泥含量等參數,實現混凝土理論強度的計算;第五章對第四章模型中出現的模型參數進行了相應的試驗數據對比分析,根據回歸分析的方法得到了反映基體強度特徵的k值,並從理論上探討了水泥含量、彈性模量和表面能的修正對混凝土強度計算產生的影響,檢驗模型的正確性;第六章是結論與展望,根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。3. numerical simulations of the flexural process of the trisection specimens of concrete were executed, as well as the influence of configuration of aggregates on computing results was analyzed, by which showed that the method proposed is valid and feasible
3 .通過全級配混凝土試件三分點彎拉損傷破壞過程的數值試驗,驗證了所編程序的正確性。同時,討論了骨料形態對混凝土動彎拉強度的影響。In the program, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress are considered. and such temperature control measurement as water pipe cooling, heat preservation of the dam surface, the pouring temperature control, the overflow across the dam top during flood season can also be simulated by numerical method
該程序在編制過程中考慮了混凝土分層澆築、施工間歇、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度場及溫度應力場的影響,同時也考慮了水管冷卻、壩體表面保溫、控制澆築溫度、施工汛期壩頂面過水等各種溫控措施的數值模擬。V. among obstructive sub - factors about agricultural technology extension system, what countryside social work organize is n ' t perfect plays the greatest role, followed successively by what agricultural technology extension system is n ' t normal, what the agricultural technology extension work manages chaos
5 、農業技術推廣體系的子障礙因子,按影響程度由大到小依次排序為:鄉以下社會化服務組織不健全農業技術推廣站體系不健全農業技術推廣工作管理混亂。Concrete elastic modulus and concrete creep and shrinkage variety at different time are reckoned in by using time increment analysis method and concrete creep and shrinkage secondary force is calculated by using effective elastic modulus. bridge stability analysis program is developed on the base of structure matrix displacement method, the program adopts visual basic language, has friendly interface and visual data input windows. the buckling safety factor of currently finished structure is given as result
為計入混凝土彈性模量的變化及混凝土徐變收縮隨混凝土的齡期與外荷載加載時間不同而變化的影響,採用時間增量法對每個計算階段根據其階段內時步數進行循環,以計算時段內彈性應力、應變增量和徐變、收縮產生的應力應變增量,利用有效彈性模量法計算混凝土徐變收縮次內力,在此基礎上,結合結構矩陣位移法的基本理論編制開發了計入混凝土時效效應的高墩大跨徑橋梁穩定分析程序。According to the documentation collected from domestic and abroad wang wei dong who works in huadong architect and structure institute utilizes the similar work property between the underground continuous wall and pile subjected the vertical loads, and introduces poulos method of elasticity and plastic which applies to pile foundation into the calculation for subsidence of underground continuous wall. pujialiu and yu yuzhou from water and electronic engineering of qinghua university, according to the result of three axes, define the concrete parameter utilize the model of non - linear e - b combined with the design cross section of dam in xiaolangdi, yellow river accept the total stress programme of thepd dam, and we analyze the stress and displacement of plastic concrete diaphragm wall by finite element method in comparison with the result of common concrete one. at same time, we consider the effect of the character of plastic concrete diaphragm wall which is composed of different gradients and adopting the level of stress and pulling stress infers whether the plastic concrete diaphragm wall is safe or not
地下連續墻是一種歷史較短的施工方法,目前,砼防滲墻的設計還是以傳統的設計方法為主,根據查找國內外文獻資料,華東建築設計院王衛東利用地下連續墻與樁在豎向荷載作用下的工作性能有相似性,將適用於樁基的poulos彈性理論引入對地下連續墻的沉降計算中;清華大學水利水電工程系濮家騮、于玉貞根據三軸試驗結果確定混凝土的參數,利用非線性e - b模型,結合黃河小浪底土石壩設計剖面,採用thepd土石壩總應力程序,對深覆蓋層塑性混凝土防滲墻的應力、位移進行有限元分析,並與普通混凝土防滲墻計算結果加以對比,同時分析了不同配比塑性混凝土特性的影響,並採用應力水平和拉應力數值來判斷塑性混凝土防滲墻的安全程度。In the 4th chapter, we first introduce basic concept, compute flow, main elements, and trait of the genetic algorithm. then we use our g - a program to analyze the raman spectroscopy data of mixed sample composed of ten species of ore. we run the g - a program repeatedly under certain condition and then do the experiment under different conditions
第四章中首先對遺傳演算法的基本概念、流程、要素和特點進行了介紹,然後採用自己設計的遺傳演算法程序對10個組分的混合礦石樣品進行了分析,對同一條件下演算法多次計算的結果和不同條件下演算法的表現進行了討論,分析了演算法設計和基本參數的不同對計算結果的影響,驗證了遺傳演算法用於多組分樣品拉曼光譜數據分析的可行性、有效性和精確性。We investigated the architectures of three typical computer fault - tolerant systems such as triple modular admixture redundancy system, buildup dual computer comparing system and dual computer comparing system with hot standby, and descript them with the markov model. the reliability and safety model of these fault - tolerant systems are acquired through theoretical analyzing and calculating. with analyzing, we defined the systems " task interval available time section in reason, compared their reliability and safety and evaluated their reliabilities
具體針對三模混合冗餘、增強型雙機比較及帶熱備份的雙機比較三種典型體系結構的計算機容錯系統進行了研究,統一用馬爾可夫模型進行描述,通過理論分析和計算,獲得各體系結構容錯系統的可靠度與安全度的數學模型;通過分析,合理定義了系統的任務工作期區間,並在此區間上比較分析了各體系結構容錯系統的可靠度與安全度情況,從而對各系統的可靠性指標進行了評價;根據上述三種系統的數學模型,在考慮系統故障覆蓋率與維修率兩個參數對系統可靠度與安全度影響的情況下,用matlab語言編制了計算機模擬程序。Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed
鑒于國內外的研究把重點放在大力發展工程樁的實驗室承載力監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上,本文提出了現場利用聲波層析成像技術監測鋼砼樁內部質量的方法與程序,並得出了聲波層析成像技術是砼樁的動態質量檢測的有效手段,這對指導施有積極、現實意義;提出了綜合運用朗肯土壓力理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡土體應力及應變的變化情況,指出粘土地區也應考慮時間效應,並且進一步分析了基坑邊坡土體的塑性區形成和發展,找出邊坡最不利的區域,以確定地下室土體的挖掘的方式和順序,指出憑主觀臆斷與經驗來施工是不可取的;在分析、經較逆作法與大開挖順作法的地下室結構體系受力情況及施工順序的不同,提出了節點處理技術;分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異,並探討了解決的方法;本文還提出了環境振動對土體邊坡穩定產生影響的觀點,並分析了在環境振動影響下,土體的應力狀態及土休失穩破壞概率,並且還運用彈性力學知識和數學分析的方法定量地分析了地下混凝土墻受力狀態,指出了被監測墻體的最大應力、應變位置。Not only t he self - weigh of every beam, the prestressing, the compression on the support of form scaffolding, constriction of concrete, creeping are considered when the inter nal force is calculated, but also the result of displacement and deviation of th esupport and precamber should be taken into consideration
施工階段的內力計算不僅考慮逐段施工梁的自重,預加應力,模板支架的支點壓力,以及混凝土的收縮、徐變;同時還應考慮施工程序,施工中的支座位移、支座偏差和預拱度等的影響。On the basis of relative researches in the world, according to the study status of steel - concrete composite slab, which would be widely used in modern bridge, modified equivalent inflexibility of steel - concrete composite slab was deduced by use of conversion section principle in this paper ; based in this, this paper put forwards the theory of ultimate flexural capacity of steel - concrete composite slab in consideration of slip effect, and introduces the practical simplified method for calculating flexural deformation of steel - concrete composite slab in consideration of the effect of steel studs and welded wire, and conclude that the methods in this paper is veracious and reliable, comparing with the traditional calculating mode ; morever, this paper put forwards the calculating theory and program of the effect analysis of creep and shrinkage to steel - concrete composite slab, using conversion elastic modulus principle, and testifies that the theory is right and the program is reliable and practical
本文在國內外研究成果的基礎上,針對壓型鋼板與混凝土組合板結構在現代橋梁建設中廣泛應用前景和研究現狀,利用換算截面法導出了壓型鋼板與混凝土組合板結構的修正等效慣性矩;在此基礎上,又推出了考慮壓型鋼板與混凝土之間的相對粘結滑移影響的壓型鋼板與混凝土組合板結構極限抗彎承載能力計算理論,並介紹了考慮栓釘、聯結件影響的壓型鋼板與混凝土組合板結構簡化實用撓曲變形計算公式,而且通過與傳統計算理論的分析比較,表明本文提出的計算理論公式的準確可靠性;此外,採用換算彈性模量比法著重提出了壓型鋼板與混凝土組合板結構的徐變、收縮效應分析的計算理論和程序,並通過實例分析計算證明了理論的正確性、程序的可靠性和實用性。Then, this paper edits other computer program to calculate thirty sgrc frame columns, and researches the drift capacity of sgrc frame column, and analysis the turning capacity of frame column " s plastic hinge. then the relational expression of the curvature ductility factor and ratio of hoops of sgrc frame columns is derived. this paper analysis the relation of the curvature ductility factor and the relative drift of sgrc frame columns, and discuss the question of the minimum values of ratios of hoops of sgrc frame column at different axial load ratios
一11一太原理工大學碩_ i :學位論文使用本文程序另外模擬計算了30榻煤研石混凝土框架,進一步分析了軸壓比和配箍率對煤研石混凝土框架柱曲率延性的影響,編寫程序計算了30根煤研石混凝土框架柱,對煤研石混凝土框架柱的側向變形能力進行了研究,分析了柱塑性鉸的轉動能力,導出了煤研石混凝土框架柱的曲率延性系數與配箍率的關系式,分析了煤研石混凝土框架柱的曲率延性系數與框架柱相對側向位移的關系,討論了煤研石混凝土框架柱在不同軸壓比下最小配箍率的取值問題。On the basis of simplified calculation model presented by doctor wangxiaoping, some finite element models are set up. by finite element model program sap93, an analysis of static models of 18m - span and 30m - span w666 acmr in different supporting conditions is made. also a study on the relation between definite support displacement, which reflect variational stiffness of substructure represented by steel column or reinforced concrete column, and load - carrying capacity mechanical performance is made too
本文以w666金屬拱型波紋屋頂為研究對象,沿用王小平博士的簡化計算模型,對18m 、 30m跨波紋拱兩端不同支座形式(鉸支、固支和彈性支座)分別利用有限元計算程序sap93進行計算分析,研究波紋拱在不同跨度,不同支座形式下,不同外荷載作用時對該結構受力性能及穩定承載力的影響,同時分析下部支承鋼柱、鋼筋混凝土柱的剛度變化體現為允許支座位移的大小與結構受力性能及穩定承載力之間的關系。This thesis has made the contrast test of shrink and creep for plain concrete and concrete filled steel tubes on the basis of long term in - door test, obtains the principles of shrink - creep of concrete filled steel tube, simulates the test data, analyses and contrasts the coefficient of shrink and creep, thus offers reference for the calculation mode of creep, furthermore by introducing reasonable assuming at the same time, develops the calculation formula of equivalent elastic modulus at the same time, develops the calculation formula of equivalent elastic modulus, adopts common structure analyses procedure ansys to calculate the redistribution of section stress in the steel tube and concrete during operation
本文在長期的室內試驗的基礎上對素混凝土和鋼管混凝土做了收縮和徐變的對比試驗,得出鋼管混凝土的收縮徐變規律,對試驗數據進行了擬合,對鋼管混凝土的收縮和徐變系數進行了分析和比較,從而為鋼管混凝土的徐變計算模式提供參考,同時通過引入合理的假定,並結合由「齡期調整有效模量法」導出的混凝土徐變本構關系,推導出了鋼管核心混凝土考慮徐變影響后的等效彈性模量計算公式,並以此為基礎採用通用結構分析程序ansys對成橋后鋼管和混凝土應力重分佈進行了計算。( 4 ) by this programme the deflection upwards of several bridges on the wuhan outer circumferential highway are calculated, through which to find out the main effective factor
( 4 )利用電算程序對武漢外環高速公路上的多座預應力混凝土t梁進行計算,從中找出影響預應力混凝土橋梁起拱度的主要因素。Abstract : this paper introduces the calculating methods, develops procedures in the research of the slip and lift displacement on the composite beam of steel and concrete, which lay foundation for the design of the composite beams
文摘:介紹鋼與混凝土組合梁計算分析方法,建立其分析單元模型,研製計算分析程序,研究鋼與混凝土組合梁交接面的滑移、豎向掀起位移及連接件剛度變化對其影響等工作性能,為鋼與混凝土組合梁設計提供理論依據It is shown that the proposed model can not only take the ratio of reinforcement, the material properties of reinforcement and concrete and the crack spacing into account, but also be easily incorporated in finite element programs
該模型不僅有效地反映了配筋率、裂縫間距以及鋼筋和混凝土材料特性等因素對鋼筋混凝土開裂后性能的影響,並且很容易在現有的有限元程序中實現。Parametric study indicates that steel thickness has small influence on the temperature field of cfst arch rib during construction, while diameter of tube has great influence. the thermal conductive coefficient of concrete has some influence on the temperature field ; but for the concrete with same aggregate, the coefficient varies in small range, so its influence is limited
應用通用程序對混凝土硬化過程中截面溫度場的分析表明:鋼管壁厚影響較小,而管徑的影響較大;混凝土導熱系數對截面溫度場有一定的影響,但對于同一種骨料的混凝土,其影響不大。Freezing efficiency of f atom in oxidant nozzle of different contour walls, mixing mechanism of reactants in 2slot ( two - dimensional, plane symmetry nozzle ) nozzle and comparison of flow - fields & ssg between 2slot and 3slot ( 3 - slit jet plane nozzle ) have been studied by using 2d cr program. the conclusion is significant to understand the requirement of reactant flows and to generate ideas for nozzles design
利用二維r程序,研究了單噴管型面對f原子凍結效率等參數的影響:研究了二維平面對稱噴管( 2slo )的反應流混合機制和混合角對激光器性能的影響;對比研究了zslot和三狹縫平面對稱噴管oslot )流場和增益特徵。分享友人