等效基礎模擬 的英文怎麼說

中文拼音 [děngxiàochǔ]
等效基礎模擬 英文
equivalent footing analogy
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 名詞(墊在房屋柱子底下的石頭) plinth
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值方面,以考慮錨固圍巖滿足規則化庫侖摩擦型為,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。
  2. The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production

    本文展開研究並取得一定成:構建了於pci總線的微機實時圖像採集系統;在採集的布料總圖(鳥瞰圖)的上,通過數字圖像的數字濾波、圖像增強、邊緣檢測處理,提取布料圖像的邊緣,對輪廓的矢量化的象素點進行搜索,得到相應的圖案矢量圖,從而確定絎縫的加工軌跡,生成加工指令;在進給加工過程中,主計算機對動態局部圖像與總圖(鳥瞰圖)的對應部分進行圖像相關的匹配計算,應用數字圖像理論,結合神經網路計算的改進最速下降法和退火演算法,提出獨特而有的相關迭代初始值賦值方法,形成穩定、高速和準確的相關運算,實現單針絎縫視覺測量和自動控制。
  3. By taking advantage of computer technology the main parts of the reducer - epicycloid groove, hypocycloid groove, steel ball and output mechanism are shown and emulated. the motion of the drive is also demonstrated. the paper mainly concludes the following works : at first, the meshing efficiency of the drive is studied and analyzed in theory according to the constituted construction and the drive principles

    在對其傳動原理及結構進行分析的上,對該傳動的嚙合率進行了深入研究,並針對該傳動的整體尺寸進行了參數糊可靠性優化,進而利用計算機技術,對該傳動的主要零件? ?內、外擺線盤和速輸出機構進行了三維建,演示了該傳動的運動情況。
  4. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下,通信頻帶資源緊張,音頻傳輸帶寬有限且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼考慮了編碼率、多碼率和壓縮時延多個方面,並在matlab環境下做了實驗,對各種音頻信號及多種小波函數做了結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮果,達到多碼率下實現實時編解碼的過程,在高速dsp晶元硬體設備支持下,可以有應用於實際復雜多變信源編碼。
  5. Based on the numerical simulation and accuracy analysis to previous slab ' s test with the ansys program, the study of composite wall, with various detail design under potential load action respectively or jointly is carried on and the wall ' s atress behavior and failure mode is obtained, also the influence to wall ' s stiffness and bearing capacity by kinds of factors, including wall ' s shear span ratio, member ' s section, bar arrangement, etc. based on the hammer blow test and stiffness test, a 1 / 3 scale ten - bay model ' s modality parameter and elastic deformation characteristic is analyzed

    在對密肋復合墻板運用ansys ~ ( ( ? ) )程序進行數值、分析驗證的上,對典型組合墻體在不同連接構造和不同荷載應組合作用下的受力形態和破壞式進行研究;計算分析了復合墻體剪跨比、邊框柱截面尺寸、邊框柱配筋大小以及墻板內肋梁肋柱配筋諸多因素對密肋復合墻體承載力及剛度的影響,得出其變化規律。
  6. Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles

    對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比方面進行了全面的分析與比較,研究和實驗結果表明,當反電動勢的平頂寬度小於107電角時,採用自同步svpwm控制方法可以在不損失轉矩電流比的上,更有地抑制電磁轉矩脈動。
  7. With the development of the network and the multi - processor system, the research, simulation and the impemeni of the system - level fault diagnosis which is the very important means to increase the reliability of the system, are becoming more and more important. on the system - leve1 fault diagnosis, based on the group theory of system - level fault diagnosis that has been put forward by pro f zhang, the paper constructs newly the theory bases, improves on the matrix method, reinforces and consummates group arithmetic of all kinds of test mode, for the first time, analyses and discusses the equation solution of all kinds of models, so al1 the consistent fault patterns ( cfp ) could be found, straightly and high efficiently, even if the sufficient and necessary condition of t - diagnosable is dissatisfied and the complexity of system - level fault diagnosis is greatly decreased, especialy in strong t - diagnosabl6 system. last the simulation system ' s function has been extended and the application hotspot and the development trend have been disscussed

    本人在張大方教授人提出的於集團的系統級故障診斷的理論上,重新構建了系統級故障診斷的理論,定義了系統級故障診斷測試型的三值表示;改進了系統級故障診斷的矩陣方法,重新定義了測試矩陣、鄰接矩陣、結點對、結點對的相連運算、極大準集團和斜加矩陣,由此能直觀、簡便地生成集團和極大獨立點集;補充和完善了各類測試型的系統級故障診斷的集團演算法,通過定義集團測試邊和絕對故障集,簡化了集團診斷圖,由此能較易地找到所有的相容故障式,即使不滿足t -可診斷性,大大減少了系統級故障診斷的復雜度,尤其是對強t -可診斷系統;首次分析探討了各類測試型的方程解決,由此從另一角度能系統地、高率地求出所有的相容故障式( cfp ) :擴充了系統級故障診斷系統的功能,快速、直觀和隨機地實驗運行環境,進行清晰和正確的診斷,同時提供大量的實驗數據用於理論研究,優化演算法和設計。
  8. The updated model with complete forcing has excellent ability of simulation and forecast. to study yellow and east china circulation in winter and summer, based on long - term ocean observation data of january and august, the fine structure of yellow and east china seas circulation is diagnostically calculated with complete forcing ( including surface wind stress, boundary transportation, baroclinic effect, tide, changjiang river runoff ) in winter. the influences of factors on main circulation patterns are discussed respectively

    對于冬季和夏季海洋環流的情況,在多年觀測的溫鹽資料上,分別以1月份和8月份代表黃東海冬季和夏季的情況,以月平均大氣風應力、邊界流輸送、溫鹽斜壓應、潮汐、長江口徑流作為強迫條件,對黃東海環流的細微結構作了高分辨的三維數值,探討了各因子對冬、夏季主要流系的動力學作用。
  9. Multi - media shows of self - propelled gun are accomplished including curve simulation, texturing, lighting technology voice effect, flame effect, etc. vii ) distr ibuted real - time dynamics simulation system for virtual self - propelled gun, which is a solid basis for virtual - reality gun, is set up through lan, based on tcp / ip protocol, opengl, client / server, object oriented, etc

    在3dmax開發環境中,利用紋理、光照技術進行了自行火炮的真實感建,通過曲線合,火炮各個部件在發射過程中的運動規律,並結合聲音和炮口火焰果,實現了自行火炮發射動力學的多媒體描述。 7 、於tcp ip協議、 opengl 、 client server 、面向對象技術,在lan平臺上建立了火炮發射動力學分散式實時系統,為研究虛火炮打下了堅實
  10. The airport arrival slot allocation algorithm in american atfm was emphasized, with the intention of effectiveness and the foundation of fairness. by rectifying the original algorithm and verifying the theory of constant total delay, the optimized algorithm of arrival slot allocation was established. the arrival flight management system was developed by the means of computer technology, which simulated the management process of arrival flight

    著重研究了美國atfm中機場到達時隙分配演算法,以有性為目標,平性為,修正演算法的不足,提出了總延誤不變定理,形成優化的到達時隙分配演算法,利用計算機技術開發了機場到達航班流管理系統,對到達航班流的管理過程進行了,最後對國內atfm建設提出建議。
  11. It contributes to the deeper comprehesion of these probability distributions, affords more detailed theoretical basis for further studying and simulating satellite mobile channels, ? theoretical analyses and discussions of the models which are often used in the study of the propagating characteristics of satallite mobile channels are given ; meantime, some discussions on the work of model simulations are also given, ? incorrect derivation of the equality between c. loo model and corazza model in some other papers is pointed out. via the conception of received power, we derivate that in the rural environments these two models really have the equal relationship by the way of theoretical derivation and simulatant fittings. therefore, it is able to use corazza model in studying the characteristics of satellite mobile channels in the rural environments and able to avoid the iterant work of modeling, in order to enhance the efficiency and accuracy of research work, ? detailed processes of simulating lutz model by using matlab6. 0 _ simulink4. 0 and the results of comparisions are given

    本文包含有以下的主要內容: ?對衛星移動通信通道傳播特性研究中常用的三個概率分佈給出了詳細的推導過程;以便對這幾個在衛星移動通信通道傳播特性的研究中常用的概率分佈函數有更深的理解,對進一步研究衛星移動通信通道傳播特性和對通道的建提供了更為詳盡的理論; ?對衛星移動通信通道傳播特性的研究中常用的通道型進行了理論上的分析和討論,並對衛星移動通信通道建的研究工作提出了一定的看法; ?指出了以前的文獻中關于c . loo型和corazza型的同性的證明錯誤;並從接收信號功率的角度出發,通過理論推導及曲線合重新證明了在鄉村環境下,這兩個型的確是具有同性的;從而在對鄉村環境下的衛星移動通信通道傳播特性進行研究時,可以只採用corazza型來對實際的通道進行建,這樣可以避免重復的建工作並提高研究工作的率和準確性; ?給出了lutz型在matlab6 . 0 _ simulink4 . 0環境下的軟體實現的詳細過程和整體測試的對比結果,保證了該型在硬體實現時的可靠性和可行性,從而可以將它們應用於指導型的硬體實現並可以降低硬體實現時的風險。
  12. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換,建立了系統較精確的數學型,編制了系統動態及穩態運行的計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了運算和實驗研究,實驗和結果進行比較,說明實驗和理論較為一致,並從系統率、轉矩脈動及兩相逆變器電容的影響方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此上,對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究,由於減少了低次諧波,改善了系統性能。
  13. Application of the algorithm for different observed head data sets indicate that the model can be successfully applied for aquifer systems where data available may be sparse and with errors. calculated groundwater heads by identification results in fourteen parameter areas are fit for observed heads in field, and flowing filed is similar. the study demonstrates the effectiveness of the ga global optimization model for parameter identification, which is an important step towards real system simulation and effective planning and management of groundwater resources

    通過算例研究,表明上述演算法可行,且rbf神經網路方法和退火遺傳演算法對地下水系統參數的識別果都較好,而退火遺傳演算法較之標準的遺傳演算法具有更好的收斂性將演算法應用到北京市密懷順地區,在收集、分析研究區資料上,建立了北京市密懷順平原區地下水型,並用遺傳演算法進行了地下水系統參數識別,在十四個分區情況下,計算水位與實際水位合的較好,各應力期末的計算與實測水位線本一致,表明該識別值較為合理。
  14. With the software cadence, model establishment and parasitic parameter extraction are made on the main pcb lines of the proposed circuits. equivalent circuit models of common mode combined with differential mode current and noise simulation models are also established on full bridge switching - mode converters. study on the simulation of conducted interference noise is made with the software saber and the effects on the circuits " noise by the main parasitic parameters are also analyzed

    在對全橋開關型變換器電路工作原理分析的上,建立了全橋開關型變換器主要元器件的電磁干擾參數型,利用cadence軟體對其pcb主要印製導線進行了建分析和寄生參數的提取,得到了全橋開關型變換器傳導干擾的共、差噪聲電流電路型以及噪聲型,並運用saber軟體進行了傳導性干擾噪聲的研究,分析了主要寄生參數對電路噪聲的影響。
  15. 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彈性量計算公式,並以此為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。
  16. After the evaluation of the three parameters in the proposed creep model, which is based on the large numbers of experimental measurements of concrete creep, the influential regularities of concrete filled steel tube columns under long - term loading are investigated. by dispersing time, the method of tangent modulus is adopted to study the relation of creep strain and load time. in the end, this paper took cft specimens with representative geometry and sectional dimensions as examples and adopted the proposed method as an approach to investigate the influencing regularities of many factors, which include the ratio of long - term load to strength, the slenderness ratio, the eccentricity ratio, and the intensity grade of concrete, on cft structures

    在對鋼管混凝土構件長期荷載應的分析中,本文於三維粘彈性理論,採用三參數粘彈性型,提出了核心混凝土徐變的三維有限元分析理論,在總結過去大量關于混凝土徐變試驗實測結果的合了型中的三個參數,並成功將其應用於鋼管混凝土徐變的三維分析計算中,得到徐變與持荷時間的關系,以典型截面形式的圓鋼管混凝土軸壓、偏壓構件為例,對軸壓比、長細比、含鋼率、偏心率以及核心混凝土級分別進行了大量的參數分析和實驗對比研究,結果表明二者符合較好。
  17. There type of ct digital model used in the study of ct saturation characteristics is reviewed, and detail comparisons show that time - domain nonlinear equivalent circuit model is suitable for the purpose of the study in this thesis, which ensures the validity of the study

    而要研究ct飽和對保護的影響,就需要對ct特性進行精確的。本文在對現有的ct數字型進行分析論證的上,提出了在本次研究中採用非線性時域電路型進行,從而保證了的有性。
  18. On the basis mentioned above, another mathematical model for the supercharged diesel was set up. according to this model some results of simulation calculations were given. the characteristics of operation of the diesel in wet compression : including the excess air coefficient, the cylinder temperature at the beginning of compression stroke, the maximum temperature in the cylinder, the cylinder thermal load, the specific fuel consumption, and efficiency of diesel engine were obtained

    在此上,又建立了增壓柴油機濕壓縮的數學型,對噴水后柴油機的各性能參數,諸如過量空氣系數、氣缸進氣溫度,缸內最高溫度、氣缸熱負荷、比油耗、熱進行了計算,為增壓柴油機進口加濕技術的研究提供了理論依據。
  19. Directed against the lack of laboratory equipment that can simulate field vibratory compaction, a vibratory compaction apparatus that can simulate the mechanical structure of vibratory roll, and can regulate vibratory parameters, is developed through the analysis of influence factors of field compaction effect for vibratory roll, such as structure parameters and vibration parameters

    本課題針對室內缺少能夠現場振動壓實狀況的振動壓實設備的現狀,在深入分析影響振動壓路機現場壓實果的因素如振動參數、結構參數上,自行研製加工了在結構上可以振動壓路機的機械結構且振動參數都可調的振動壓實成型設備。
  20. We choose hb qrc convert as the research object. this paper has completely analyzed the circuit work modes, designed an experimental device, analyzed the mam noise source, established the common - mode and different - mode noise current models, extracted the parasitic elements of four pcb layout and simulated each emi level. based on these, it has derived the element which have great effect on pcb emc and has designed the optimized pcb layout

    選擇一種半橋準諧振變換器作為研究對象,對其工作原理進行了詳細的分析,製作了實驗樣機,分析了它的主要干擾源,建立了它的共、差噪聲電流電路型,對它的四種不同pcb布局進行了寄生參數提取和電磁兼容,在此上分析得到了影響其電磁噪聲水平的最重要因素,並設計出了最優的pcb布局。
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