計算極線 的英文怎麼說

中文拼音 [suànxiàn]
計算極線 英文
calculated polar
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
  1. Based on the analysis of mechanism for joint region, the " frame - wall " and " aslope compression stub column " mechanical models and yielding patterns of core zone of the joints are set up. the shear load - carrying formulation for joint core zone is also given in terms of plastic ultimate analysis. and then, the comparisons between the formulas given in this paper and that of chinese design code ( draft ) and nonlinear fem as well are presented

    對節點核心區的抗剪,通過受力機理的分析,建立了鋼「框架剪力墻」加混凝土「斜壓短受力體系及其屈服機制,根據塑性限分析,給出了節點核心區抗剪承載力的迭加公式, 《規程》公式和非性有限元近似模擬分析結果進行了比較。
  2. The communication between computer and plc is realized by the programming port, and the communication between computer and servo unit is realized by databus, and the cooperative control between plc and servo unit is realized by an audion

    利用plc的編程口實現了機與plc的通信。利用數據總實現了機與伺服單元的通信。利用三體的通斷特性實現了plc控制列印頭振動與伺服單元控制電動執行機構運動的協調。
  3. The current chinese foundation design code gbj7 - 89 use limit equilibrium theoiy with elastic soil stress distribution to give out bearing capacity design value calculating fonnula and use elastic soil model to evaluate foundation settlement. according to the above theories, code gbj7 - 89 gives the correlative terms. but these do not accord with the practical mechanism of loaded soil below the shallow foundation and the elastoplastic property of natural soil so defects exist

    我國現行規范gbj7 - 89將這兩者分開考慮,其地基承載力設值的公式是根據彈性地基中應力分佈及土的限平衡狀態理論為依據而得出的,求地基的沉降變形時則視土體為彈性,這些理論對地基及土的假設與淺基礎地基的實際工作狀態及天然土體的非性、彈塑性存在一定的偏差。
  4. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    本文在深入研究真空微電子器件場致發射理論的基礎上,根據圓錐形、楔形陰真空微電子三體的不同特點,分別建立了物理和數學模型,在考慮空間電荷密度影響的前提下,以有限元法為基礎採用迭代的方法出真空微電子三體內的電勢分佈情況,繪制出了等勢、電子軌跡,並得到了器件電學性能隨幾何參數的變化情況。
  5. The results reveal that calculation errors can be reduced with the linear expending nodes, which can be found out by anti - inference method, decided on the limiting equilibration surface based on the advance losm method

    結果顯示,用改進一次二階矩法將性展開點(可用反演法求得)選在限平衡狀態面上,可減小誤差。
  6. Firstly, the status of our nation ' s water resources, flood and arid hazards is overviewed to illustrate the necessity for study on dynamic control of flood season limited water level. disadvantages in traditional limitsd water level design, static control of limited water level design, static control of limited water level and fuzzy limited water level curve are pointed out, and mending methods for these are introduced. dynamic control and its key problems are analyzed hi next section. the allowable range of limited water level is determined, so as the allowable extreme risk index. the definition of extreme risk is re - illustrated, risk analysis methods in reservoir operation is discussed either. according to the definition of extreme risk rate, the allowable extreme risk rate of reservoir is systematically demonstrated with variant extreme risk indexes and flood season limited water level

    本文首先闡述了我國水資源狀況和水旱災害、說明水庫汛期限制水位動態控制研究的必要性;介紹了傳統汛限水位設、汛限水位靜態控制、模糊汛限水位過程存在的問題及其初步改進方法;分析汛期限制水位動態控制的方法及關鍵問題;進一步闡述了水庫限風險率的定義;根據限風險率定義,詳細敘述了不同限風險指標時、不同汛期限制水位下起調,水庫所能承受的限風險率方法。然後,基於限風險率方法,以白石水庫為背景,研究「考慮壩體自身安全、考慮壩體安全與下游防護對象控制下泄流量的汛限水位動態控制的限風險率」 。
  7. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  8. Based on the philosophy of capacity design, the formulas of overstrength of coupled - shear wall were established to offer the theoretical references for the evaluation on the seismic performances of the shear - wall structures designed by current building codes based on bearing capacity method under severe earthquake, which has been proved correct by the results of nonlinear full range analysis

    摘要基於能力設原理,建立了聯肢剪力墻結構限承載力的超強公式,為按現行規范以承載力設的剪力墻結構評估其在罕遇地震下的抗震性能提供理論依據,並結合實際工程中剪力墻的和非性分析結果,證明了本文方法的正確性。
  9. ( 2 ) on - line spectral response measurement is used to make a research on the activation process. the on - line measurement results have been analyzed and the influence excised by cs, o activation on the photoemission property of gaas wafers has been revealed. the properties of domestic and foreign nea phocathodes are compared, and the reasons causing the gap between domestic and foreign phocathodes are discussed

    ( 2 )利用光譜響應在測試技術研究nea光電陰的激活工藝,通過對在測試的光譜響應曲進行分析、比較和,剖析了激活工藝給陰光電發射性能帶來的影響,並從性能評估的角度,比較了國內外nea光電陰的性能,分析了它們之間存在差距的原因。
  10. Three kinds of chemical reaction model are used to describe the chemical processes of downstream of detonation waves. the conditions that planar standing oblique detonation waves may occur and the factors that may affect them are discussed detailedly. the polar curves of oblique detonation waves and " standing window " are computed under different conditions

    建立了平面駐定斜爆轟波特性分析的數學模型,採用三種化學反應模型來描述爆轟波后的化學反應過程,詳細分析了平面斜爆轟波的駐定條件及其影響因素,了不同條件下斜爆轟波的和「駐定窗口」 。
  11. The thesis developed the optimization design software of geometric parameter for the worm gear including strength check module, the drawing contact lines module, the change lines of tooth thickness of worm, and the parametric modelling software for the reducer which includes parametric modelling of parts and assembly. the cad prototype system is very convenient because of its accessible interfere, simple operation and written in chinese. by input design parameters , the cad system can make optimization design and strength check for the worm gear , draw contact lines of tooth flank of worm - gear and change line of tooth thickness of worm , judge if the tooth flanks of worm undercut and if the sideward tooth of worm - gear hob come to a point , make project design and structure design for the reducer and draw its 2d parts and assembly

    研究和開發了平面二次包絡環面蝸桿傳動的參數優化設和校核軟體系統:包括幾何參數設模塊,強度校核模塊,繪制齒面接觸模塊,蝸桿齒厚變化曲模塊和蝸桿根切判別模塊;開發了平面二次包絡環面蝸桿減速器外形與結構尺寸數據庫以及傳動效率數據庫,建立了平面二次包絡環面蝸桿傳動公差及限偏差數據庫;開發了平面二次包絡環面蝸桿減速器參數化建模軟體:包括零部件的參數化建模模塊和裝配圖的參數化建模模塊,其中零部件的參數化建模包括蝸桿軸系的參數化建模、蝸輪軸系的參數化建模、箱體的參數化建模、端蓋的參數化建模、軸承的參數化建模和其它零部件的參數化建模軟體模塊。
  12. The study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter

    本文首先從梁限狀態下的變形入手,將塑性鉸區看作純彎段,將塑性鉸以外的區域看作剛體,按照體外預應力筋的形狀不同,分工程中最常見的三種體外結構形式,即無轉向塊的直型體外筋混凝土梁、具有一個轉向塊的單折型梁和具有兩個轉向塊的雙折型梁,研究體外預應力筋變形和梁體的變形間的關系,推導出以限狀態下塑性鉸區之半對應的轉角為參數的體外預應力混凝土簡支梁以及連續梁的體外筋應力增量公式,並進一步求得梁的限承載力。
  13. The expression of the third - order nonlinear polarization of self - interaction in uniaxial crystals

    單軸晶體中三階非性自作用化強度矢量的
  14. The modified traveling wave monopole model is employed in simulating the electron beam in crt of computer vdu. meanwhile acceleration fields of the electron beam are studied in details and its expression given for the first time with measured results. a novel analyzing method is proposed to study the spectrum of electromagnetic information leakage based on the viewpoint of field point, which has been verified effective by experiments

    採用經修正的行波單子模型模擬機陰管顯示器電子束,並詳細研究了電子束的加速場,首次給出了其公式和實驗測試結果;還提出了一種新的從場點出發的信息電磁泄漏頻譜分析方法,實驗證明了其有效性; 3
  15. In chapter 6 a digital interception system is designed and its operating principle is introduced. plenty of experimental results are provided here. in chapter 7 a mathematic model of electron beams in crt of computer vdu is given and entropy preservation performance of tempest transceiving system is discussed, a soft - tempest measure is suggested accordingly

    其中第六章設了數字偵收系統,介紹了其工作原理,並提供了豐富的實驗結果;第七章給出了機陰管顯示器電子束的數學模型,據此討論了tempest通信系統的保熵性,接著分析了數字偵收系統的抗噪聲性能。
  16. The word " schema " first appeared in kant ' works at that time, kant attempt to combine the knowledge category with the perceptual object by scheme to find its great influence on knowledge acquisition, but his scheme was priori in the history of modern psychology, the gestalt school was the first one who payed attention to schema at the general theory level, and jean piaget also thought highly of schema, his theory was called schema theory, but this theory neglect the function of society and education, that is to say, in some degree his scheme theory has the incline of biologization

    但其理論忽視社會和教育的作用,因此,其圖式學說存在一定程度的生物化傾向。從心理學史發展的另一條?經驗主義來看,重視過去經驗的作用,認為圖式具有積主動加工的特點。現代圖式理論是在吸收了理性主義和經驗主義,又在信息科學、機科學的發展以及心理學關于表徵研究的基礎上,於20世紀80年代興起。
  17. In this paper, we have studied the feasibility for the bpm of to be button electrode was used in the lia and the simulating has done for the use by pspice / orcad

    本文研究了鈕扣電束位置探測器應用於強流直感應加速器( lia )的可行性,並用pspice orcad電路模擬模擬軟體進行了模擬
  18. The vector magnetic potential of a system consisting a line electric current and an infinite long magnetic dielectric column is calculated with the method of separation of variables and method of images, it is pionted out that the vector magnetic potential of a system consisting a line electric current and a magnetic dielectric plane, an ideal paramagnetic column, a superconductor column, and a line electric current in homogeneous magnetic field can all be deduced from our calculation

    摘要用鏡象電流法和分離變量法電流與無限長磁介質圓柱系統的磁矢勢,指出電流與無限大磁介質分界平面、電流與超導體圓柱、均勻外磁場中有磁介質圓柱系統時的磁矢勢都可以由電流與磁介質圓柱系統的磁矢勢的限情形給出。
  19. Considering the effects of saturation, pole shape, some important coefficients including the effective pole - arc coefficient, the leakage coefficient, the air - gap coefficient are analyzed by electromagnetic method, and a series of useful curves are given

    考慮磁路飽和、磁形狀等因素的影響,利用電磁場數值解法對電磁中的有關系數,包括漏磁系數、弧系數、氣隙系數等進行了分析研究,給出了工程實用的曲
  20. In chapter 2, by studying the computation of the quantities of singular point of the original of the following complex autonomous polynomial differential system two linear recursion formulas for the computation of quantities of singular point of system ( 1 ) are obtained. applicable formulas are presented unitedly for the computation of focus quantities and saddle quantities, which play an important role in center - focus determination and bifurcation of limit cycles in real planar polynomial differential systems

    在第二章,我們研究平面多項式復自治微分系統原點的奇點量,得到了奇點量性代數遞推公式,統一地給出了在實平面多項式微分系統的中心焦點判定與限環分支中有著為重要意義的焦點量與鞍點量的易於應用的公式。
分享友人