numerical switch 中文意思是什麼
numerical switch
解釋
號控機-
Step - nc ( iso14649 ) expends step into the area of cnc and renews the data interface between cax and cnc, which helps cnc system to use data models of products in three dimensions according with step directly in order to output nc programs then control machines directly, eliminate choke points of the information stream between cax, such as cad, capp, cam, cae, ped, erp and so on, connect the design product information and manufacturing product information on the base of step in the form of object - orientation, and change the traditional movement and switch control - orientation numerical programs into object - orientation programs
Step - nc （ iso14649 ）將step擴展至cnc領域，重新規定了cax與cnc之間的介面，其目的是: cnc系統能夠直接使用符合step標準的cad三維產品數據模型，直接產生加工程序來控制機床;在step的基礎上以面向對象的形式將產品的設計信息與製造信息聯系起來，消除cax （如cad 、 capp 、 cam 、 cae 、 ped 、 erp等）與數控系統之間信息流瓶頸;將傳統的面向運動和開關控制的數控程序改變為直接面向加工對象的數控程序。 -
In the thesis, the insulation recovery properties of spark gap switch are investigated through theoretic analyses and numerical calculation, and the influence of gas flow on the insulation recovery of switch is studied experimentally
本文從理論分析、數值計算等方面研究了氣體火花開關的絕緣恢復特性，實驗研究了氣流對火花開關恢復速度的影響，其研究結果為火花開關的多脈沖運行奠定了堅實理論基礎。 -
The resistance furnace microcomputer automatic procedure temperaturecontrol system is rises, the temperature decrease speed and thesoaking time through the monolithic integrated circuit to the heatingfurnace carries on the strict control the installment, it changes thetemperature delivers, the demonstration and the numerical controlcollection to a body, take the microcomputer control as thefoundation, take the a / d switch as the core, and matches by thesuitable periphery connection electric circuit, realizes to theresistance furnace temperature automatic control
電阻爐微機自動程序溫度控制系統就是通過單片機對加熱爐的升、降溫速率和保溫時間進行嚴格控制的裝置，它將溫度變送、顯示和數字控制集於一體，以微機控制為基礎，以a / d轉換器為核心，並配以適當的外圍介面電路，實現對電阻爐溫度自動控制。 -
Abstract : by employing the concept of photon flux, the evolution of the phase and photon flux in the eigenmode state in three - wave mixing, and the requirements for the initial phase and photon flux in this state, are studied in the paper. a special state in which there are only exchanges of the photon flux but no phase variations in the three - wave mixing process is investigated. an all - optical switch based on the eigenmode pushpull nonlinear - optical - mirror is presented, and the properties of this all - optical switch are numerically calculated. the numerical results show that the performance stability is extremely good, and the intensity and phase of the output signal beams can be easily realized and controlled
文摘:利用光子流概念研究了三波混頻中本徵模狀態的相位和光子流的變化，以及該狀態對光波的初始相位和初始光子流的要求，研究了三波混頻中只有光子流的交換卻沒有相位變化的特殊狀態，提出了本徵模狀態推拉式非線性光環鏡的全光開關，並數值計算了這種全光開關的性能，數值結果表明，該光開關的性能穩定性好，並且易於實現和控制輸出信號光的光強及相位 -
Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered
在此基礎上，給出了一整套bbo - opo激光參數設計方案：計算了不同泵浦強度下的參量放大倍數；詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線，以及非共線類相位匹配調諧曲線；分析了走離角對非線性系數和群速匹配的影響；計算了參量過程的允許角；計算了bbo - opo的理論閾值條件；分析了飽和與泵浦光束的消耗過程；給出了轉換效率與超過泵浦閾值的倍數的關系；討論了轉換效率與輸出鏡反射率的關系；討論了線寬控制的各種方法；研究了利用非穩腔改善光束質量的方法；考慮了bbo晶體的設計。 -
2. a theoretical analysis and numerical simulation considering pumping beam waist, q - switch, cavity design are presented. combine with the theoretical analysis and the request of fundamental wave, the appropriate cavity and q - switch are chosen
2 .從諧振腔設計理論及調q技術進行分析，討論了ld泵浦固體激光器的輸入輸出特性及影響閾值的主要因素;結合理論和我們下面工作的要求，選擇合適的腔形及調q方式。 -
Simulation and the associated numerical algorithm on the injection - compression molding ( icm ) process were developed to understand processing characteristics by changing processing parameters including compression speed, switch time from injection to compression, compression stroke as well as initial cavity thickness and part thickness using disk parts
摘要射出壓縮成型的模擬以及數值運算是要了解成型參數的改變，包括：壓縮速度、射出與封裝的切換時間、壓縮行程等製程特性而創建的，同時也包含了初始的開模厚度以及使用在光盤片的成品厚度。 -
The numerical results show that the appearance of focal switch rests not only on the distance of aperture and lens but also on truncation parameter ; focal switch possibly occurs only when truncation parameter is between its critical maximum and minimum truncation parameters
數值結果表明：焦開關的出現不僅與光闌透鏡分離量有關，還與截斷參數值密切相關；僅當截斷參數取某一上、下限之間的值時，才可能出現焦開關。 -
The technique of fiber grating made the research, manufacture and integration of all optical fiber devices possible, so fiber grating will act an important part in aon. the applications have caused people ' s great interest and enthusiasm such as optical switch, optical add / drop multiplexer, and optical fiber ' s dispersion compensator, etc. using transfer matrix method and procedure of numerical analysis, the paper analyze theoretically that how grating ' s parameters influence sampled gratings " reflective spectrum
光纖光柵技術使得全光纖器件的研製和集成成為可能，故光纖光柵將在全光網中扮演十分重要的角色，它在光開關、光的分插復用、光纖的色散補償等關鍵技術中的應用已引起人們的極大興趣和研究熱情。 -
We tested and analyzed the translation and angular misalignment sensitivity of the collimators for the switch assembly. the characteristics of switching speed was compared with that of a numerical solution by using finite element analysis ( fea ) and a good agreement was obtained
然後通過有限元分析軟體ansys對微驅動單元進行了電磁場分析，並對光開關的開關時間進行了計算，計算結果與實際測量結果相近，此開關實測速度小於2ms 。 -
It is found that when the switch s is on, the capacity charges too fast is the main reason why generating chaos in the circuit. then based on above analysis, we present the method of using output voltage pulse differential feedback to control chaos in the buck converter. theoretical analysis, numerical calculation and circuit simulation demonstrate the validity of this chaos control method
首先研究了脈寬調制式的buck變換器中混沌產生的原因，研究發現開關s導通時，電容充電過快是這類電路中混沌產生的主要原因，在此基礎上提出了應用脈沖微分反饋控制buck變換器的混沌，並設計了控制電路，數值模擬和電路模擬的結果證實了該混沌控制方法的有效性。
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