自由參數 的英文怎麼說

中文拼音 [yóushēnshǔ]
自由參數 英文
free parameter
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : causereason
  • : 參構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 自由 : freedomliberty
  1. Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading

    文摘:為了測錄內燃機缸內的壓力及溫度,開發了一種內燃機燃燒分析儀.該分析儀國產高速據採集卡及行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個和採集循環,而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等.經實際使用以及與國外產品相比表明,此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點
  2. Through explaining the low - fluidity oil - deposit development structure in zaoyuan oil field, analyzing its reservoir structure and the strong flooding level hole design parameters, meanwhile adopting new techniques such as pouring water by phase control at the spot, weak point and strong plane, and so on to manage comprehensively and develop round, we have reduced the natural decrease and increased the exploitable reserves and caused the comprehensive development level of this field to rise from class 3 to class 1

    摘要對棗園油田低流度油藏開展構造精細解釋、相控儲層結構分析和強水淹層孔隙結構研究,同時在現場採用相控注水、點弱面強、投球調剖和注水吞吐等開發技術進行綜合治理和滾動勘探開發並舉,實現減緩然遞減和增加可采儲量的目的,使該油田綜合開發水平3類上升到1類。
  3. This paper studied a kind of automatic test technology of the parameters used in a dual - ccd tv goniometer

    本文研究的是一種雙ccd構成的電視測角儀的動檢測技術。
  4. This research task used industrial controlling computer as the hardcore of the automatic testing system, and the other electrical parameters testing instrument were used as the subordinative equipment of the automatic testing system

    本研究課題採用工控機作為動測試系統的核心控制設備,其他各種單片機組成的電測試儀、電阻測試儀和轉矩轉速測試儀以及西門子變頻器等設備組成測試系統的從屬設備。
  5. Because the parameters of pressure control system is inconstant and difficult to identify and the runtime of pressure control is long, a comprehensive intelligent control method is presented, which is composed of bang - bang control 、 fuzzy control and single neuron psd control. this comprehensive method takes advantage of the merits of three control methods to compensate their shortcomings

    考慮到壓力控制系統具有易變且不易辨識、運行時間較長的特點,提出了採用bang - bang控制、基本模糊控制和單神經元psd控制組成的智能復合控制策略,利用了各種控制演算法的優點,同時彌補了各的缺點。
  6. Because of introduction of tablet and increase of function parameters, we empolder a series of multiple pen - type functions which simulate true pen and include brush pen, pen, pencil, shade - pen, withered - pen, through utilizing these parameters reasonably. take these functions as basis, we design more functions and much expressive force whiteboard system which buildup practicability of videoconference and make it accord with people natural custom of vision, hearing, writing to communication

    於手寫板的引入,功能的增加,通過對這些的合理利用,開發出毛筆、鋼筆、鉛筆、濃淡筆、枯筆等一系列模擬真實筆的多種筆型功能。以這些功能為基礎,設計出功能豐富、更具表現力的電子白板系統,以增強視頻會議的實用性,使之更符合人們進行交流所需要的視覺、聽覺和手寫的然習慣。
  7. So it is necessary to find a way to constrain the self - dithering interference of the non - contact life - detection system and raise snr so as to extract the life - parameter signal of human subject

    因此,必須設法抑制於外界作用而使非接觸生命檢測系統產生的抖動干擾,提高信噪比,檢測出人體的生命信號。
  8. On account of the uncertainty existing in the nonlinear ship responded model, we design a dynamic adaptive ship steering controller by using adaptive backstepping. after deducing the update law of the unknown constant, we choose the controller gains to guarantee the closed loop system and the control signal global boundedness

    於船舶非線性響應模型中含有未知常的不確定項,因此採用適應backstepping的方法,選擇適應調節律,設計動態的船舶航向控制器,實現在線控制。
  9. For many years, the drying furnace has been adopted with sealed structure and electrical heated, dial instruments are used to control the temperature of the drying furnace and to keep it invariable. parameter setting is inputted by manual method, heating time is completely controlled by operators ’ experiences or their moods, meanwhile, its control function is singular, not only having no automatic heating time and insulating monitoring, having no drying process monitoring, but also having no function of automatic recording and report printing, the workers ’ labor intensity is bigger. thus two abnormal situations are always come forth, one is the insulating performance and intensity of works cannot be guaranteed reliably, it perhaps need to be dried repeatedly, the other is always to extend the drying time in order to ensure the drying quality

    多年來乾燥爐一直採用悶罐式結構和電加熱方式,溫度控制採用指針式溫度控制儀表來實現爐溫的恆定,其設定人工輸入,時間控制則完全憑操作者的經驗、情緒來掌握,其控制功能單一,沒有時間控制、絕緣動監測功能,也沒有乾燥過程監視功能,更沒有多要素記憶、列印存檔功能,工人的勞動強度較大,所以就經常出現兩種異常結果:一是工件的絕緣性能和強度得不到可靠保證,需要反復乾燥;另一種是為保證乾燥質量,往往要延長乾燥時間。
  10. The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation

    本論文以mnls孤子作為光纖飛秒孤子的模型,通過新近建立的mnls孤子直接微擾理論,研究光纖中拉曼效應引起的飛秒孤子在傳輸中的頻移,以及通過頻率濾波對頻移的抑制。為此,首先給出描述mnls孤子的各物理量,然後用mnls孤子直接微擾理論,解析地得到這些問題絕熱近似下的孤子演化,並此選擇頻率濾波的,最後用分步傅里葉方法,在對非線性項微商的演算法做出了適合於mnls孤子的改善後,對拉曼效應及頻率濾波進行了直接值模擬,其中頻率濾波用微擾理論確定。
  11. Aimed at the automatic welding of the air - separate equipments. a computer control system for double - side automatic tig erect welding has been developed in this paper, which can keep the welding parameters of two welding torches consistent, and adopt a high - power and centralized energy fountain, and can take warm - up casually. the control system can assure a higher welding quality and a better work condition and a higher productivity than before

    為實現空分設備的焊接動化,本文研究開發一種雙面動tig立焊計算機控制系統,採用大功率和能量集中的熱源,克服了於預熱而使手工焊接工人勞動環境的惡化,同時使得兩把焊槍的焊接保持一致,從而可得高的焊接質量,改善焊工的勞動條件,大大提高勞動生產率。
  12. Regarding the hysteretic properties and time - varying of the system, the scan round performance of the controller, adopt incremental pid algorithm in constant - pressure controlling and combine it with the integral - separated dead - zone algorithm as appropriate for the situation of the measuring system and applies fuzzy self - tuning to control pid controller parameters

    於系統的滯后時變性和控制器的循環掃描工作方式,恆壓控制採用增量式pid控制演算法,結合測量系統實際情況加入積分分離帶死區改進演算法,並對pid進行模糊整定控制,設計了一種整定模糊pid控制器。
  13. Until about ten years ago, we believed that the only properties we can tell about a black hole are its mass, angular momentum loosely speaking its spinning rate and its electric charge. two black holes that have the same mass, angular momentum and charge will behave in exactly the same way. in particular, it does not depend on what kinds of material it forms from

    原理:十年之前,我們相信黑洞是一個很簡單的物體,三個物理質量角動量如要求不嚴謹,可把它看成為轉速度和電荷便決定了它的一切,兩個黑洞只要它們這三個相同,物理特性便完全一樣,黑洞最初甚麼物質所造成是無關宏旨的,於黑洞是這樣單純,光禿禿沒有甚麼特徵,所以天文學家謔稱黑洞沒有毛發。
  14. However applied modeling of the mineral processing plant is a complicate and very difficult work, because the relativity of production data, complexity of the non - linear modeling and the absence of technical parameter quantum data of mineral processing plant, which should be used as independent variable of network and so on

    然而,於生產據的相關性、非線性建模本身的復雜性和應該作為網路變量的選廠工藝量化據的缺乏等,建立實用的選廠學模型,是一項復雜和難度較大的工作。
  15. This software system of chip simulation ' s main function is simulate the main logic circue chips, 8088cpu, memory, registers, data _ bus, address _ bus, control _ bus and other chips. this function is based on the object - oriented technology, construct the chip object by the chip classes that we defined. because this system need to simulate the detail function of computer hardware, so this system simulate the 8088cpu ' s order system, support the basic compile languages. one of the feture of this system is the simulation of a static memory, the room of the memory can be configured by testers from 1k to 64k

    於本系統在模擬過程中需要完全模擬計算機硬體的工作原理,因此本系統還模擬了8088cpu的基本指令系統,支持基本的匯編指令,在實驗過程中可以實驗者輸入相應的匯編指令以執行操作,並查看各晶元器件的引腳變化情況。本系統模擬的一個特點是動態模擬了存儲器的大小,存儲器容量可以實驗者根據需要己設置,范圍從1k到64k 。
  16. The goal of this paper, is to research one kind of intelligent electronic appliances network which has the following characters : the connection between the electronic appliances or between the electronic appliance and the inter net is realizable ; the operation methods of all kinds of electronic appliances which locate at home, can be set by the user through the pcs at home or outside home which can access to internet ; the electronic appliances can acquire the information and the services from the service provider web stations automatically when the operations is required ; the new composed electronic appliances network or the electronic appliances which are just to join the network, can be " plug & play " without user " s setting, the electronic appliances themselves accomplish all the settings

    本文撰寫的目的,就是研究和探討一種智能化的家電網路,使其具備以下特點:家電與家電以及家電與網際網路的相互連接成為可能;各種家電的運作方式,可以家庭內部以及連接到網際網路上的計算機隨時設定;隨著運行工作的需要,家電能夠動向各種服務提供網站獲取相關信息以及服務;新組建的家電網路以及新加入家電網路中的家電,無須用戶的設定,接上電源后即可投入工作,一切的設置均家電獨立完成。
  17. ( 2 ) when analyzing the testing method for the " day - of - week effect ", we considered the ols regression effect and the testing power will decrease because of the different variable in real securities data. we considered the identification. estimation and hypothesis testing of the linear regression model with one rank auto - regression ( ar ( 1 ) ) error ( 3 ) we considered how investors reasonably utilize the testing result of the " day - of - week effect " to direct the investment strategies after obtained it

    ( 2 )在對「周內效應」的檢驗方法進行分析時,考慮到實際證券於具有異方差性,使得利用ols進行回歸將導致回歸效果和檢驗的勢降低,我們對于具有一階回歸誤差的線性回歸模型,仔細討論了該模型的識別、估計和對相應假設檢驗的方法。
  18. In this paper, we derive predictive models of system and auxiliary system from double constant alterations respectively. the controller based on d - step ahead predictor can locate the closed loop poles at desired positions, whose parameters are adjusted by estimations of plant parameters that are separately estimated. an auxiliary estimator is developed to avoid ill - condition in solving diophantine equation. simulations show that these control systems have better dynamic responses under existence of measurable disturbance

    引入雙恆等變換推導出系統及輔助系統的的d步預測模型,基於估計器的校正控制器能將閉環極點配置在所希望的位置,它的與其相互獨立的對象調節.提出使用輔助估計器克服丟番方程的病態問題.模擬表明在存在可測干擾的情況下該系統具有良好的動態性能
  19. Abstract : in this paper, we derive predictive models of system and auxiliary system from double constant alterations respectively. the controller based on d - step ahead predictor can locate the closed loop poles at desired positions, whose parameters are adjusted by estimations of plant parameters that are separately estimated. an auxiliary estimator is developed to avoid ill - condition in solving diophantine equation. simulations show that these control systems have better dynamic responses under existence of measurable disturbance

    文摘:引入雙恆等變換推導出系統及輔助系統的的d步預測模型,基於估計器的校正控制器能將閉環極點配置在所希望的位置,它的與其相互獨立的對象調節.提出使用輔助估計器克服丟番方程的病態問題.模擬表明在存在可測干擾的情況下該系統具有良好的動態性能
  20. A new robust adaptive scheme which are used for tracking of this robot with parametric and bounded external uncertainties is proposed in this thesis. the controller is consist of a controller which is proposed by slotine1 ' 1 and nonlinear continued feedback compensation part. by estimating the unknown physical parameters of robot on - line, it can eliminate the effects result by parameters and external disturbances and guarantee gas and uniform boundedness of parametric estimation. the only information required in setting up the strategy is the output states of jionts, while the inversion of the inertia matrix or estimation the bound of the inertia matrix and measure the jionts accelerations are not needed. it is shown by simulations that the proposed control scheme has quicker convergence velocity and better control precision than paper [ 1 ] and control schemes at present

    針對該模型具有及有界外部擾動不確定性時提出了一種新的魯棒適應控制策略,控制器基於slotine的控制器和非線性連續反饋補償控制器構成。通過在線估計機器人的未知物理,有效的消除了及外部擾動所引起的不確定性影響,保證系統達到漸近穩定和估計一致有界。與現存的許多控制方法相比,該控制策略不需求解慣性矩陣的逆或估計慣性矩陣的界,不需測量關節加速度,而唯一需要了解的只是系統輸出的位置及速度狀態。
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