類比模擬 的英文怎麼說

中文拼音 [lèi]
類比模擬 英文
analog simulation
  • : Ⅰ名1 (許多相似或相同的事物的綜合; 種類) class; category; kind; type 2 (姓氏) a surname Ⅱ動詞...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 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
  • 類比 : [邏輯學] analogy
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. All similes and allegories concerning her began and ended with birds.

    仿她,要她,總得以鳥始,還得以鳥終。
  2. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐地基,對地基(巖基)承載力的動測法進行了研究,為各地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  3. In order to get the energy characteristic of flywheel, this paper put forward the circumrotate state k of flywheel by analogy with soc. then, the energy model of flywheel battery was established and the simulation results of the design flywheel battery were got

    本文還探討了飛輪電池的能量特性,建立了飛輪電池的能量型,提出用飛輪運轉狀態k來化學電池的soc ,並用simulink對所設計的飛輪電池進行了分析。
  4. Then following reality constituent of engine and connecting component interface, a nonlinear signal cylinder engine model has been created, though fire interval and fire order, a control - oriented four cylinders engine is build. following dynamometer is seen as load, performance of engine is simulated and researched under the condition of constant torque and speed, validation of the math and simulation model have been confirmed by comparison result between simulation with test result of engine performance simulation software dyno

    按照發動機的實際組成,根據各部件的介面型連接型庫中的部件,建立了單缸發動機非線性型,在此基礎上,依據發動機實際發火間隔和順序,建立了面向控制的四缸汽油機型,並以測功器為負載,通過恆轉矩和恆轉速方式進行了發動機性能和研究,結果和發動機動力性能軟體dyno測試結果的對驗證了數學型和型的正確性。
  5. Hydraulic control system of double - cylinder vessel gate is a sort of typical electrohydraulic proportional control system0 in order to study electrohydraulic flux control characteristics of this system, i have analyzed the principle of this hydraulic control system, and made its mathematics model ? in double - cylinder hydraulic system, it is necessary to process electric synchronous control in this hydraulic system, this paper also introduces a sort of fnn ameliorated from the point of view of intelligent control theory, and clarifies the principle of applying that network to achieve synchronous controlo at the same time, the means of fuzzy configuration analysis is used for network training, the comparative experiments make known that the method of applying fnn to realize synchronization control is feasible, furthermore, its effect is better than others0 this paper puts forward that a distributed control system can be used to monitor and control vessel gate within a real - time or remote distance, the basic project, structure, applications and functions of computerized scada system in hydraulic system of vessel gate is introduced ? a double layer network structure, epigynous and hypogynous machine network, is applied to this system, in accord with the application of technique such as plc, integrated software etc, this paper introduces the methods and application to achieve the computerized scada system in the task, and analyzes the characteristic of this system, in this paper, the application of configuration in monitor and control system of vessel gate is discussedo in addition, in accord with the application of technique such as visual basicb

    雙缸船閘液壓啟閉控制系統要求解決同步控制問題,文中從智能控制理論角度出發,採用了一種改進的糊神經網路,結合糊聚分析方法,闡述了應用該網路實現同步控制的原理。通過對實驗表明:應用糊補經網路實現同步控制是可行的,而且它的同步控制效果要優于傳統的設置主從令缸控制方法,具有良好的魯棒性能。另外,本文提出了建立船閘控制系統的分散式控制系統,介紹了船閘液壓控制系統的計算機監控系統( scada )的方案、結構、應用和主要功能,採用雙層網路化結構:上位機網路和下位機網路,並結合plc通信網路技術和組態軟體等技術構成的計算機監控系統的實現方法,實際應用,分析了這種較新的系統式在船閘液壓控制系統的計算機監控系統的功能實現中所具有的特點。
  6. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen )等人提出的統計方法,用垂向上砂體密度的界限來推測砂體側向連通情況;根據每口井的測井解釋資料,利用克里金插值法對外間進行插值,得到了一組反映儲層特徵在平面上變化的參數,包括儲層厚度分佈、孔隙度以及滲透率,並且成圖;利用變差函數法,通過球狀函數,確定儲層優勢滲透率方向:根據流動單元法,以儲能系數、容積系數以及凈毛厚度三個參數為依據,通過聚分析方法進行流動單元劃分,並且按照參數特徵將其分為五,統計各砂層有利流動單元區塊。
  7. The ecosystem service functions of gansu is analyzed from six facts, such as grassplot ecosystem, forest ecosystem, watershed ecosystem, farmland ecosystem, desertification ecosystem and city ecosystem. this thesis simulates a latent ecosystem using vegetation type map to explain preferably how landscape pattern impacts the service function of ecosystem. the unit price of every service function is known by annual average value schedule of global ecosystem service function

    為了更好地說明景觀格局變化對生態系統服務功能的影響,通過植被型圖了潛在生態系統,根據全球生態系統服務功能的年平均價值一覽表查得各服務功能單價值,將其服務功能價值進行計算並與現實生態系統服務功能價值進行較得出:由於現實生態系統人為的干擾作用,使得生態系統服務功能價值降低了1022 . 85 10 ~ 6美元。
  8. 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析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取的極值組合起來,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,之後再分析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取值范圍內使用計算機產生大量隨機數,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式分析、計算封閉環尺寸。
  9. The content of the study as follow : 1 to choice the ship form, mainly ship ' s overall size ; draft, according to design of shanghai deep - water port and development of container ; 2. to deside the date of width ; depth ; path ; tract and sinkage through simulator tests ; 3. to replenish and modify some date for channel design to very large container vessels in " design code of general layout for sea port " 4. to study ship ' s turning area ; ship ' s stop distance the new and special content of the study as follow : 1. statistics of path at the channel given by difference operators with the affections certain wind. currents. seas and other influences shows the path really needed under certain condition

    並可在各航道和水域的通航安全評估及操船方法,航跡帶寬度,航道寬度,航跡帶分佈,船舶各種航行狀態時的下沉量研究中應用。本課題研究的內容: ( 1 )根據洋山深水港設計規劃和集裝箱船舶的發展趨勢,通過研究、分析、較,選擇最合適的船型,尤其是船舶主尺度和船舶吃水。 ( 2 )在大量研究情況下,得出進港航道所需的航道寬度和深度。
  10. Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained

    首先在第三章提出的目標運動型的基礎上建立了系統狀態方程;其次簡要分析了衛星導航系統中的各誤差,建立了基於偽距觀測量的系統觀測型;第四節利用yuma格式歷書數據了未受攝動影響的衛星軌道,並在此基礎上建立了幾種典型的動態測試環境;第五節為分析和較,先對ukf演算法和ekf演算法在動態測試環境中進行了較,然後針對外場試驗,對非線性濾波獲得的定位結果與商業軟體進行了分析較,並得出結論。
  11. On the theory, the predictive function control method based on the state space is discussed and the simulation results validate the pfc method ' s advantages on robust and anti - jamming comparing with pid method by computer simulation. the application research includes the application of the software of predictive function control ( apc - pfc ) and the software of the multiple - variables predictive control ( apc - hiecori ). the former were applied in the temperature control chlorinating process and ph control in the process of zymolysis of penicillin, the latter were applied in the advanced control of reclaim equipment of lox in china petroleum & chemical corporation yangzi petrochemical co., ltd

    本文主要從理論和應用兩方面對預測控制方法進行了研究,理論方面主要是從預測函數控制的基本原理出發,研究了一般情況下的基於狀態空間描述的預測函數控制策略,並通過計算機驗證了pfc演算法常規pid演算法具有更好的魯棒性和抗干擾性:在實際工業過程的應用上,又分為兩演算法及軟體的應用,預測函數控制策略及apc - pfc軟體的應用主要以聚乙烯氯化過程的溫度控制和青霉素發酵過程的ph值控制為主,多變量預測控制演算法和apc - hiecon軟體的應用主要以揚子石化公司的液化氣回收裝置先進控制為主。
  12. ( 2 ) taking the geology analysis as main way and combining the pre - test, predicating the tunnel ' s main geology condition ( rock quality, surrounding rock classification, long - wide joint, fault, ground water, crustal stress ), and predicating the main potential disaster ( collapse, breaking water, rockburst, large deformation ) ( 3 ) employing the stress test result and inverse analysis of the stress field, finding out the crustal stress " s distributing rule along the tunnel axes section : the highest crustal stress is 24mpa near the deepest spot, and predicting that the k2 + 260 ~ k3 + 000 likely to be the high crustal stress segment for this tunnel

    通過地質分析、分析、監控量測、數值、神經網路等方法,對鷓鴣山隧道潛在的主要地質災害(塌方、涌水、巖爆和大變形)進行了預測預報( 3 )在現場地應力測試成果的基礎上,運用數值計算進行應力場反演,基本查明了沿隧道軸線剖面的地應力分佈規律:地應力量級在最大埋深附近達到最大值24mpa ,並預測k2 + 260 k3 + 000段將很可能成為鷓鴣山隧道的高地應力段。 ( 4 )塌方往往與斷層破碎帶及千枚巖相聯系。
  13. According to the characteristic of ieee 1394 with wide bandwidth, common and real - time, the author put forward ieee 13 94 should be applied into real - time digital video transfer in optics - electronics theodolite. before engineering realization, carried out a video image transfer test on three types of digital video tape recorders and camera with ieee 1394 interface. we found that digital videos without compression transfered under ieee 1394 standard ( transfer from 4. 5m to 100m ), compared with analog videos, have no geometric distortion, and have better luminance, contrast, definition

    作為工程實現前的實驗研究,對三具有ieee1394介面的數字錄像機和攝像機進行了視頻圖像傳輸實驗,發現無壓縮格式的按ieee1394標準傳輸的數字視頻圖像(傳輸距離從4 . 5米到100米之間) ,較原始視頻圖像在幾何位置信息上沒有衰變,而在亮度、對度、邊緣清晰度這些方面有明顯的優勢;但是按dvcam壓縮格式(常見于sony公司的系列產品,是5 : 1的dct幀內壓縮)壓縮的數字視頻圖像,較原始參照圖像有明顯的幾何畸變。
  14. This paper begins with an overview of the fundamentals of adaptive antennas. the correspondence between a spatial filter and the fir filter is illustrated, and the spatial filter characteristic of adaptive antennas is investigated by dmi and ls - drmtcma algorithms. the discrete - time transmission model of synchronous cdma systems with antenna arrays is also developed

    本文首先對自適應天線的基本原理進行了簡要介紹,建立了陣列接收的同步cdma系統離散時間傳播型,並論述了空域濾波和時域fir濾波器的性,用dmi和ls ? drmtcam演算法了自適應天線空間濾波性能。
  15. In the algorithm level, currently various training algorithms of neural networks, including gradient algorithms, intelligent learning algorithms and hybrid algorithms, are comparatively studied ; the optimization principle of bp algorithm for neural networks training is analyzed in detail, and the reasons for serious disadvantages of bp algorithms are found out, moreover, the optimization principle of two kinds of improved bp algorithms is described in a uniform theoretic framework ; and the global optimization algorithms of neural networks, mainly genetic algorithm are expounded in detail, it follows that a improved genetic algorithm is proposed ; finally the training performances of various algorithms are compared based on a simulation experiment on a benchmark problem of neural network learning, furthermore, a viewpoint that genetic algorithm is subject to " curse of dimension " is proposed

    在演算法層,本文對目前用於神經網路訓練的各種演算法,包括梯度演算法、智能學習演算法和混合學習演算法進行了較研究;對用於神經網路訓練的bp演算法的優化原理進行了詳細的理論分析,找到了bp演算法存在嚴重缺陷的原因,並對其兩改進演算法-啟發式演算法和二次梯度演算法的優化原理,在統一的框架之下進行了詳盡的理論描述;對神經網路全局優化演算法主要是遺傳演算法進行了詳細的闡述,並在此基礎上,設計了一種性能改進的遺傳演算法;最後基於神經網路學習的benchmark問題對各種演算法在網路訓練中的應用性能進行了研究,並提出了遺傳演算法受困於「維數災難」的觀點。
  16. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術,包括傳輸、交換、組網等,重點研究了光交叉連接的功能和結構、性能,對其引入的串擾進行了詳細分析,選擇恰當的器件參數進行了數值,並提出了抑制措施(如雙重濾波、優化判決門限、選擇恰當的復用波長數) ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題(光網路型、業務型、流量型、光網路生存性) 、 r認人演算法的分較,具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法,提出預置光路的概念,對網路資源進行狀態分(佔用、未佔用、預置) ,利用改進的r認叭演算法,預置光路可為部分新到的連接請求快速建立連接,從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法,提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數,利用基於波長分層圖型的并行r場人演算法,利用新的鏈路權重函數使得演算法具有更優的性能,使網路具有更低的連接阻塞率。
  17. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過較闡明了dfl理論其本質是逆系統方法的一,並結合具體課題推導出的型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的型方程,此型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學型,並將擴展的dfl理論應用於此型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過實驗與採用常規的按電壓偏差進行調節的例式勵磁控制器+汽門例控制及採用常規的按電壓偏差進行調節的例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  18. Environmental rehabilitation must set out from multiscience and find the main contradiction and factor by way of study and simulation on complex system of economy, society and environment ; and renovate mulliply with the measures of technology and policy, so that the organization of the system could be restructed and the overalling and developmental coordination could be achieved

    環境重塑必須從多學科出發,通過社會經濟環境復合系統運行機制的研究和類比模擬,找出系統主要矛盾和因子,綜合運用技術和政策措施多角度地加以整治,才能重構系統組織,實現整體協調和發展協調。
  19. The main work is as follow : the pater makes use of vanguard genetic algorithms in image segmentation, uses vanguard genetic algorithms to get the image threshold. using this method we may get different grey vehicles from the background exactly. used the support vector machine theory to conduct the vehicles automatic sorting simulation research, the simulation result had proven this method could quite be accurate carries on the vehicles type the recognition ; improved based on the background automatic renewal hypothesized examination region algorithm, enhanced timeliness and the accuracy which the vehicles examines ; and to has carried on the specify based on the hypothesized examination region imagery processing algorithm realization ; in the paper also introduced withdraws the algorithm based on the gradation continuous movement vehicles characteristic to carry on the vehicles the characteristic to withdraw as well as to use the localization method which colored filter same gradation chart processing unifies to carry on the realization method which the vehicles license plate locates

    本文根據智能交通控制與對于交通流量、車輛到達率、車輛速度等交通信息檢測的需求,基於視頻圖像進行了交通信息處理的演算法研究與實現,主要工作包括以下幾個方面:將先鋒遺傳演算法應用到圖像閾值分割中,利用先鋒遺傳演算法尋求全局最優閾值,可以較準確的將圖像中不同灰度的車輛從背景中分離出來;採用支持向量機理論進行了車輛自動分研究,結果證明該方法能夠較準確的將車輛的型進行識別;改進了基於背景自動更新的虛檢測區域演算法,提高了車輛檢測的實時性和準確性;並對基於虛檢測區域的圖像處理演算法實現進行了詳細說明;論文中還介紹了基於灰度連續性的運動車輛特徵提取演算法進行車輛的特徵提取以及採用彩色過濾器同灰度圖處理相結合的定位方法進行車輛牌照定位的實現方法。
  20. Finally we conducts rig test with fuzzy control system. the test results indicate fuzzy control system is able to lower intensity of body vibration and the national standard on the vibration eligible class of the engine is met. it is demonstrated that the mathematical model and fuzzy control arithmetic presented by the paper are accurate and reliable, which make an active seek and research on control strategy of engine vibration

    以matlab + simulink為工具,設計了糊控制系統和被動控制系統兩不同的型,並進行了對和結果分析,在此基礎上,設計開發了以80c196kc單片機為主控器件的糊控制系統,進行了控制系統的軟、硬體設計,最後對所設計的糊控制系統進行了臺架實驗,實驗結果表明糊控制系統能有效地降低了內燃機整機振動的強度,達到了國標規定的合格級,證明了本文建立的數學型和糊控制演算法是正確可行的,在內燃機振動控制策略方面作了一個積極的探索和研究。
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