impact parameter method 中文意思是什麼

impact parameter method 解釋
碰撞參數法
  • impact : n 碰撞;沖擊(力);(火箭的)降落[著陸];【軍事】彈著;影響,效力。 The point of impact彈著點。 ...
  • parameter : n. 1. 【數學】參數,變數;參詞;參項。2. 【物理學】參量;(結晶體的)標軸。3. 〈廢語〉【天文學】通徑。vt. -ize 使參數化。
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求,採用單片機實現了混合式直流直線步進電動機的開環數字控制;利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定;利用細分控制技術保證了電機運行的平穩性,並進行了波形分析和理論研究;採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題;同時對主功率電路、驅動電路和系統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋轉步進電動機上進行了全面測試。
  2. The penetration test study the disturbance of soil in difference location. by using finite element method, the paper study the stratum movement and the earth surface deformation caused by pipe jacking, analysis the construction parameter such as head pressure, deflexion, friction force impact on earth surface deformation, give the distributing rule and range of additional soil pressure in soil

    採用有限元計算分析的方法,對頂管施工引起的地層運動及地表位移進行研究,分析了機頭土壓力、機頭偏斜、摩阻力等不同施工參數對地表變形的影響以及附加應力在土中的分佈規律和影響范圍。
  3. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢,應用含時微擾理論的一級波恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢,同時初步探討了實驗的正確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用
  4. In order to make the theoretical calculation feasible, we first obtain an analytical formalism of partial integrals with respect to the coordinates of the core and target in the phase - shift functions and their cross terms of scattering matrix elements, if the density distributions of the core and target are fitted to a few gaussian forms. then the rest multidimensional integrals with respect to the impact parameter and coordinates of halo nucleons are performed by a monte carlo method

    為使理論計算變得可行,我們在核芯和靶核密度採用多個高斯分佈擬合的情況下,解析求解了各個散射矩陣元中的光學相移函數及交叉項含有的與暈核核芯、靶核密度分佈有關的積分;同時對與碰撞參數和暈核子坐標有關的積分(八重以上,並且積分維數隨暈核子數很快增加)採用蒙特卡洛方法計算。
  5. As far as the system observation for accuracy evaluation of carrier rocket is concerned, there may exist different types of observed data and priors. heterogeneous information means that the different information describing the different characteristics of the same object. since all of the information is relevant to the same object, the fusion is possible. it is a key problem that how to fuse the heterogeneous information to obtain the better evaluation result. therefore, the different heterogeneous information and data is thoroughly studied, moreover, the mathematical description for information fusion of different parameter priors and data is constructed in this paper. based on their relationship between different parameters, indirect prior and observation data is transformed into prior in impact point observation space, which is fused with original prior by weight determined by maximum entropy rule to obtain the mixed posterior distribution. therefore, the test results can be given by combining posterior distribution and impact error observed data. then its application on evaluating guidance systematic error is elaborated as it applies trajectory tracking data, test value of coefficients of guidance instrumentation systematic error, impact point observation data and prior. especially, the advantage of this method lies in its application in case that guidance instrumentation systematic error may not be computed precisely. finally a detailed example on evaluation of carrier rocket is given to verify the theory

    為充分利用運載火箭觀測中的不同觀測空間和過程的信息來進行精度評估,針對該背景建立了異質先驗融合的數學描述.研究了飛行試驗中不同觀測空間和過程的異質先驗信息和數據,基於不同觀測過程的解析關系,將間接過程的先驗和觀測數據算出的后驗分佈轉換成落點觀測空間上的先驗,與原落點的先驗進行了最大熵加權融合,得到混合后驗分佈,從而結合落點觀測數據給出評定結果.在無法解算出精確的制導工具誤差系數的情況下,這種方法充分利用了彈道跟蹤數據、工具誤差系數的地面測試先驗值、落點先驗及落點數據,穩健性更好,準確性更高
  6. Adopting the method of modern optimization design, the research arrives at an optimal design of pneumatic rock driller that has a working capacity of great impact energy, low gas consumption, high chiseling speed, little vibration and light weight by optimizing the structural parameter of the machine which is with a bright future of market application with mult - goal

    本文採用現代優化設計方法,對市場應用前景十分廣闊的氣動鑿巖機的性能參數進行多目標優化,從而得到沖擊能大、耗氣量少、鑿巖速度快、振動小、重量輕的最優設計方案。
  7. This paper introduces the principle of instrumented impact test method and its application in production and scientific research. emphasis is laid on achievements obtained in the field of developing measurement technique of fracture mechanics, analyzing characteristic parameter of impact curves as well as studying fracture mechanism of materials. in addition, the application and developing trends in the near future are also discussed in the paper

    介紹了儀器化沖擊試驗方法的基本原理及其在生產和科研中的應用,重點闡述了儀器化沖擊試驗方法在動態斷裂力學測試技術中的開發、沖擊曲線參數分析、材料斷裂機理研究等領域所取得的成果,並展望了這一方法未來的應用和發展趨勢。
  8. The power prepared was examined by many kinds of analytic measures, like as xrd, xps, tem, sem and x rays fluorescence, etc. the sol - gel method was used to synthesize dy - doped titanium oxide, the impact of elements such as solvent ' s quantities, temperature, ph value, calcination temperature on the course of sol - gel is studied, and the quantities of mixed rare earth is also studied on the influence about the structure of phase, thus established the best technology parameter

    本文對摻雜稀土元素鏑的氧化鈦和氧化鋯超微陶瓷粉末的制備的工藝過程進行了研究,並用xps 、 xrd 、 tem 、 sem和x射線熒光等多種測試手段對制得的粉末進行了分析。用溶膠-凝膠法合成氧化鏑/氧化鈦的陶瓷粉末,研究了溶劑量,溫度, ph值,煅燒溫度等對溶膠-凝膠過程的影響,以及摻雜稀土量對相結構的影響,從而確立了最佳的工藝參數。
  9. An attempt is made to use the filled function as the modified function approach to apply global optimization to optical thin film problems. it is proved successful when applied to problems such as antireflection coatings and beam spliters. meanwhile, it is also found that when the number of layers is fixed those local minima with less total optical thickness appear to be better. in the realization. needle method are made to explore the impact of local optimization methods used, parameter of these methods, the starting design, the search accuracy of function and the methods of thickness growth

    從理論分析來看,由於光學薄膜的特性是由在入射介質那一側的等效導納所確定的, needle方法把等效導納作為狀態變量,把每一層的折射率作為控制變量,運用最優控制的原理計算出在薄膜內部每一個厚度對應的點上折射率改變所引起的評價函數的改變,由此選取改變折射率后評價函數變化最大(評價函數變小)的那一點進行插入。
  10. Abstract : the process defect, minor defect and key precess, their impact on quality and reliability, and the control method are introduced. the kdy control points, the parameter control scope and the requirement of process environment for high quality and reliability device are discussed

    摘要:重點介紹了國內外半導體器件製造工藝與器件可靠性的相關性報道:缺陷、微缺陷、關鍵工藝對器件質量和可靠性的影響及其控制方法;還介紹了關鍵工藝控制點的確定及其參數控制范圍以及生產高質量、高可靠性器件的工藝環境的控制要求。
  11. It dissects the definition of job network, job network script, job network parameter and the impact of job network in a job manage system. it also introduces the method of design and implement the engine of jobmanage system, the schedule of jobs and execution of jobs

    詳細地介紹了作業網路的定義,作業網路腳本,作業網路參數以及作業網路在作業管理系統中的作用;作業管理系統引擎的設計及實現方法,作業網路的調度,作業網路的執行。
  12. The results of the study demonstrates that the main idea of the balanced scorecard has positive and instructive impact on our state - owned enterprises in understanding that products should be market - oriented, service be customer - centered so as to strengthen competitiveness and improve the operation valuation system of state - owned enterprises. however there is steel room for the method to be improved based on the characteristics of our state - owned enterprises. besides there is a big difference between the method and the practice in deciding the importance of weighted parameter of the indicators obtained from the balanced scorecard valuation of financial, customer, the internal business process, the learning and growth. the above - mentioned conclusions will help us to further study and apply the balanced scorecard method with the aim to strengthen the competitiveness and keep sustainable development of our state - owned enterprises

    本課題研究的實證結果顯示:平衡計分法的基本原理對我國國有企業逐步真正樹立以顧客為核心的思想、以市場需求為導向、不斷提高核心競爭能力、促進國有企業經營績效的改進具有積極的理論指導作用。同時,該方法在國有企業應用中也存在某些方面的局限性而還需要針對我國國有企業特性進一步改進與發展。另外,經過研究還發現,對國內外文獻中專家普遍強調的關于平衡計分卡中財務、顧客、內部經營過程和學習與成長等四個方面業績評價指標的重要性權數確定問題,與企業實際應用中的情況存在很大的差異性。
分享友人