擬析取式 的英文怎麼說

中文拼音 [shì]
擬析取式 英文
quasi-disjunction
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • : Ⅰ動詞1 (拿到身邊) take; get; fetch 2 (得到; 招致) aim at; seek 3 (採取; 選取) adopt; assume...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  1. This thesis tries to solve the problems in the design and construction of jinping cascade 2 hydropower station. a typical section is selected to analysis seepage, seepage control and fem numerical simulation. the influence of different plans of excavation and support on seepage field of subsurface water and stability of adjoining rock are studied. the homologous support pattern is suggested according to the research results

    本文就錦屏二級水電站(一期)深埋長隧洞的設計和施工中面臨的一些問題,選隧洞的一個典型斷面進行滲流、滲控分和開挖及支護的有限元數值模,從而就深埋隧洞不同的開挖及支護方對地下水滲流場及圍巖穩定性的影響和所應採的支護措施等方面進行了探索、研究。
  2. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分,選適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分,基於經驗關系確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模的蒸發器數學模型,為系統模奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模
  3. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平,本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分解算中存在的各種難題的設計方案,第一種方案將尺寸鏈中各組成環能的極值組合起來,自動列方程組,求解每個組合情況下的封閉環尺寸,最後比較這些結果,得出封閉環的最大最小值;第二種方案將尺寸鏈各組成環向預先設定好的兩個方向投影,之後再分各尺寸環投影分量的增減性,並且提供了組成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦法,綜合組成環各投影分量的增減性,然後自動列出方程組,最後根據各組成環的投影分量以及所列的方程組來確定尺寸鏈封閉環的尺寸;第三種方案以蒙特卡洛法為原理,在尺寸鏈各組成環的值范圍內使用計算機產生大量隨機數,模實際大批量生產中的零件尺寸分佈情況,以更經濟更合理的方、計算封閉環尺寸。
  4. The strategy included the principle and selects of dcs controlling system project, force analysis and calculation of the pectination slides, the design of hard ware and software, anti - interference design of hard ware and software, selects of plc and transformer, and system control design of intellectual simulative modulated plate, etc. and also analyzed the extension and reliability and economic ability of the pectination slides synchronism controlling system

    包括該同步控制系統控制方案的選、控制系統的原理、梳滑道絞車的受力分和計算、同步控制系統的plc設備和程控制系統傳感器等硬體的選型、程控制系統的硬軟體設計,程控制系統的軟體抗干擾設計和智能調度模控制系統設計等。並對整個系統的擴展及系統可靠性和經濟性進行了分
  5. To decimators of multi - level system designed based on the hb filter and cic filter, analysis of the filter design parameters involved, whose theory applied to multi - level cic filter of design, and designed half band filter with distributed algorithms. compared to the simulation results. these advanced algorithms applications, and further increase hardware efficiency and operating speed

    對于基於積分梳狀( cic )濾波器和半帶( hb )濾波器的多級系統設計的抽濾波器組,分了濾波器設計中所涉及的各個參數,將剪除理論應用於多級積分梳狀( cic )濾波器的設計中,並且採用分散演算法( da )來設計半帶( hb )濾波器,並對模結果進行比較,這些先進演算法的應用,進一步提高了硬體效率和運行速度。
  6. With analyzing of the case study and based on simulating and analyzing quantitatively, this article, considering the goal of the performance - based fire - protection design is protecting occupants from being injured and keeping buildings from being damaged, thought that fire compartmentation of a large building of saling books can be divided according to their saling malls and fire compartmentation in the saling mall can be separated by the fire - proof screen. on the evacuation design, the quantity of safety exits around these buildings and the evacuation width should be increased if possible and the safety exit number, exit width and evacuation distance can be determined according to the simulating results on smoke layer temperature and height, concentration of co2 and co, occupants evacuation time and visibility. on the means of preventing and discharging smoke, the most proper measure should be determined according to their geometrical characteristics and the natural means of discharging smoke is feasible to the large building of saling books. based on analyzing of smoke

    通過對案例分研究,本文認為大型書城建築性能化防火設計研究的最終目的是保證人員生命安全和保證建築結構安全,在模計算和量化分的基礎上,大型書城的防火分區可以將中庭連通的書城區域劃分為一個區,在書城場地內可以採用防火卷簾進行防火分區劃分;在人員疏散設計中,應盡可能利用書城賣場的空間設計較多的安全出口和增大疏散寬度,其安全出口數量、寬度和疏散距離可以根據人員安全疏散時間和煙氣溫度、沉降高度、 co2濃度、 co濃度、能見度模計算結果驗證確定;在防排煙方的選擇上,應當根據建築物的幾何特點選最適宜的措施,就大型書城建築而言,採用自然排煙的方是可行的。
  7. Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created

    神經網路控制是智能控制的重要方之一,它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法( bp演算法) ,特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時得了較快的收斂速度。其次,應用工程方法分設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器,作為引入神經網路控制的設計基礎,並建立了系統的模模型。
  8. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及干涉技術應用研究一因此直接無法分辨編隊目標的架數,我們借鑒isar的技術,通過較長時間的相干積累,在多普勒頻域上對目標進行分辨。而對于編隊目標,可分為近似剛性的多目標和非剛性的多目標,所以對于可以近似為剛體的編隊目標相對位置固定,運動方一致,可以近似看作一個大目標,採用最小墑準則對平動相位的進行補償,但是大多數並不滿足剛體近似的編隊目標,由於目標在相干積累時間的多普勒頻率近似呈線性變化,通過對較短數據利用relax的時頻分方法,提高了頻率域上目標分辨的性能。由於橫向解塊于橫向積累時間,所以利用radnwigner變換得到瞬時的一維橫向距離像大大提高了對編隊目標的分辨,對模和實測數據的大量分結果表明此方法的有效性和可行。
  9. Because of the unique issues in the networks, including mobility - induced disconnection, network partition, high out - of - order delivery ratios and channel errors, the congestion control and the error recovery in the network is challenging. in this environment, the interaction between tcp and mac layer protocols, the affection of route protocols on the performance of tcp and the particular congestion control and error recovery mechanism are first discussed. then a particular transport layer protocol scheme based on the non - feedback mechanism is presented, with emphasis on the analysis and simulation of the key parameter

    文中主要討論了兩種不同網路結構中的無線tcp協議改進方案,其一在最後一跳為無線鏈路的網路環境中,針對基本tcp擁塞控制機制存在的缺陷,文中在現有解決方案的基礎上提出一綜合性的方案,其中包括無線鏈路的高誤碼率和連接斷開問題的解決,並重點對方案中出現的交叉層問題進行分和模;其二,考慮的是分散網路( adhoc ) ,在文中較為詳細的分了tcp和mac層機制間的相互作用、路由協議中造成tcp性能降低的因素、 adhoc網路中應採的特殊擁塞控制和差錯恢復機制,在此基礎上提出了一種採用非反饋機制的解決方案,重點對方案中的關鍵參數進行分和模,分和模結果表明此機制可在很大程度上提高adhoc網路中tcp的性能。
  10. Statistics of wave crests with different directional spreading parameters and different directional functions are obtained and discussed. jonswap spectrum and the directional function suggested by mitsuyasu, donelan and wen respectively are employed in the analyses. statistical distribution of wave crest characteristics such as crest length, crest height, and directional angles based on the above - mensioned numerical simulation of 3 - d random waves are analyzed

    以jonswap譜為頻譜,選光易型方向函數(含三個參數) 、 donelan方向函數以及文氏方向函數等不同的方向函數進行模,對得到的波峰形進行比較,分了方向函數對波峰長度統計值的影響。
  11. Meanwhile, on the fundamental parameters that can be acquired in the primary design stage of a new car or a car which it has put in used, this paper utilizes adams / car to establishes the simulation parametric modeling of a suspension according the topology structure of macpherson front suspension system, in this model, we considered the front suspension system, steering system and the tire model in detail, and the bushing effect was included in this study, and it is very convenience to carry out kinetics / elastic kinetics simulation. all kind of the suspension parameters on handling and stability and automobile comfort were analyzed

    Adams的實體數值懸架運動學模為懸架的設計開發提供了一種先進高效快捷的方法。與此同時,本文依據麥弗遜前懸架的拓撲關系,利用設計階段的新車或者是正在使用的汽車的所能得的基本參數,藉助adams car建立了懸架參數化模型,在這個模型里,考慮了轉向系統、輪胎、襯套等因數,因此可以方便地進行懸架運動學彈性運動學分
  12. In this text, we first do some research on the genetic algorithm about clustering, discuss about the way of coding and the construction of fitness function, analyze the influence that different genetic manipulation do to the effect of cluster algorithm. then analyze and research on the way that select the initial value in the k - means algorithm, we propose a mix clustering algorithm to improve the k - means algorithm by using genetic algorithm. first we use k - learning genetic algorithm to identify the number of the clusters, then use the clustering result of the genetic clustering algorithm as the initial cluster center of k - means clustering. these two steps are finished based on small database which equably sampling from the whole database, now we have known the number of the clusters and initial cluster center, finally we use k - means algorithm to finish the clustering on the whole database. because genetic algorithm search for the best solution by simulating the process of evolution, the most distinct trait of the algorithm is connotative parallelism and the ability to take advantage of the global information, so the algorithm take on strong steadiness, avoid getting into the local

    本文首先對聚類分的遺傳演算法進行了研究,討論了聚類問題的編碼方和適應度函數的構造方案與計算方法,分了不同遺傳操作對聚類演算法的性能和聚類效果的影響意義。然後對k - means演算法中初值的選方法進行了分和研究,提出了一種基於遺傳演算法的k - means聚類改進(混合聚類演算法) ,在基於均勻采樣的小樣本集上用k值學習遺傳演算法確定聚類數k ,用遺傳聚類演算法的聚類結果作為k - means聚類的初始聚類中心,最後在已知初始聚類數和初始聚類中心的情況下用k - means演算法對完整數據集進行聚類。由於遺傳演算法是一種通過模自然進化過程搜索最優解的方法,其顯著特點是隱含并行性和對全局信息的有效利用的能力,所以新的改進演算法具有較強的穩健性,可避免陷入局部最優,大大提高聚類效果。
  13. In the planning of the hydroforming process, the paper analyzes a representative automobile part to build up the cae simulation model of tube bending, preforming, and hydroforming, and discusses the influence of different preform designs on the final shape of the tube

    在管件液壓成形製程規劃方面,本文選了一具有代表性的汽車結構件進行分,由原始的彎管、預成形、到液壓成形皆建立了cae模,並探討不同的預成形設計方對管件最終成形之影響。
  14. In this paper, the practical data is analysed and get a good effect. it proves that it is vailed for vti layers using the approximation moveout formula in this paper. this method has a good foreground

    本文還結合實際資料進行了分得了較好的效果,說明了用本文建立時距曲線合公進行橫向各向同性介質多波速度分是可行的,且具有廣闊的發展前景。
  15. So when the layers have the anisotropic properties, seismic wave " s velocity and moveout will become complex. it needs to acquire the anisotropic moveout formulas and the connection of layers parameters with velocity. then using multi - wave information sufficiently to analyse the seismic data

    因此,在地層存在各向異性時,使地震波速度和時距曲線變得很復雜,需要求各向異性的時距曲線合公和分地層參數與速度的關系,從而更充分的利用多波信息進行各向異性介質的分處理。
  16. Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,

    具體包括:以完全混合、表面曝氣合建活性污泥工藝的污水處理曝氣過程為研究對象,在闡述了曝氣過程控制制參數選可行性的基礎上,建立了以溶解氧濃度do和活性污泥排放量qw為控制變量,以曝氣池中有機物濃度s和微生物濃度x為狀態變量的活性污泥曝氣過程的基本狀態方程;運用現代控制理論的觀點和污水處理理論,在現有關于污水處理最優控制問題研究的基礎上,建立了有約束條件多變量能耗最小數學模型,該數學模型是以有機物排放總量和狀態變量的末值條件作為約束條件,曝氣過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化,並對應用極大值原理求解能耗最小這一最優控制問題進行了詳細的解;引入約束運算元,應用具有控制約束的共軛梯度演算法對能耗最小這一最優控制問題進行求解,並進行模實驗驗證。
  17. The contacting measurement method with a double probe is put forward after the detailed analysis of the state - of - the - art measuring methods of the thickness of wall. firstly, the theory - profile generatrix is built, and then the movement curve of the track of joint center is constructed, which aims at making the joint center move along the movement curve and keep the fixed sensor touching the wall. the measuring sensor examines the line in its normal direction of the interior wall all the time, the data from the sensor is the thickness value of the wall

    論文通過分國內外變曲率回轉體壁厚測量的現狀,提出了雙測頭接觸測量方案:通過構造理論輪廓母線,建立鉸鏈中心的運動曲線,使鉸鏈中心始終沿運動曲線運動,以保證固定觸頭與傳感器測頭的連線始終在內壁法線方向上,從而傳感器測頭所得的數值即為壁厚值,該方案經模測試實驗得了預期效果。
  18. The hardware design which is the basis of the whole design based on sopc cooperates with the nios cpu to accomplish the functions of collecting ts information, detecting errors, and displaying information. the main content in this dissertation includes : ( 1 ) introducing the standard of mpeg - 2 system layer syntax and etr 290 standard about the three levels of detecting parameters ( 2 ) describing the structure and relationship of psi ; designing the hardware implement to accomplish the functions of collecting and analyzing ts information ( 3 ) analyzing and researching the three levels of detecting parameters to accomplish the partition of the hardware and software design, designing the detecting modules cooperated with the software and verifying the functions according to simulation ( 4 ) debugging and testing the design to verify it can achieve our requirements

    論文的主要內容包括: ( 1 ) mpeg - 2傳送流系統層的語法規范的介紹和dvbetr290標準中關于對碼流進行三層檢查和監測的參數的介紹; ( 2 )描述了傳送流特殊信息之間的結構關系,介紹了用硬體方實現碼流基本信息的提的設計方法,並將這些信息提供給軟體進行分處理和結果的顯示,從而實現對碼流提和分的功能; ( 3 )對碼流的三層監測參數進行了分研究,完成設計的軟硬體劃分,通過硬體設計方完成對各個監測模塊的開發工作和時序模驗證,實現碼流監測功能; ( 4 )介紹了對碼流基本信息進行提、分和碼流檢錯的硬體設計的調試情況和實驗驗證工作,以及最後與軟體設計部分進行聯合調試的情況
  19. To investigate the space / time distributions and occurrence and evolution of such events, the diffusion pattern over deserts, turbulent transfer features in sandstorm weather, the particle size distribution, mass concentration and its distribution, optic properties, chemical composition and physical factors responsible for the initiation of raising sands, we made integrative observation and sounding of sandstorms deep in the large - scale desert area, including tengri, badanjilin and maowusu, with the items consisting of micrometeorological measurement, 3d wind observation, data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum, the distribution of aerodynamic particle sizes from the aps3310a, retrieval of aerosols " optic depth from sunphotometer data, assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur, based on the observations of all kinds

    利用所資料,系統分了不同強度沙塵天氣條件下沙塵氣溶膠質量濃度和質量濃度譜、粒子譜分佈、光學厚度、化學組分等特徵;綜合分了影響沙塵起動的諸物理因子在沙塵起動中的作用;用沙塵輸送模對一次沙塵暴天氣造成的泥雨過程的形成機制進行了模。歷史氣象資料統計分表明,沙塵暴有其高發期( 4 、 5月)和高發時段( 14 - 20時) , 14時到20時之間發生的沙塵暴約占沙塵暴總次數的66 。揚沙和沙塵暴天氣條件下,湍流動量通量和湍流感熱通量都是重要的湍流交換,沙塵暴發生前近地層的超絕熱不穩定對沙塵暴天氣有加強作用。
  20. By analysing the compute result of the quadratic approximation formula, we educe the conclusion that 3 is the best rank code for the quadratic approximation formula

    通過對最小二乘合公實際計算結果的分,得出了「合公階數3為最佳」的結論。
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