等程差曲線 的英文怎麼說

中文拼音 [děngchéngchāxiàn]
等程差曲線 英文
curve of equal path difference
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 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...
  • 程差 : difference in optical path
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained , and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    導出了率半徑與逼近誤之間的關系和條件下的參數遞推公式,建立了通過逼近圓弧圓心的直和圓心坐標計算公式.按這種方法用圓弧逼近平面參數,不需要求解非性方組,避免了計算可能不收斂的麻煩,簡化了非圓的節點計算過
  2. It makes sampling data regularized by means of man - machine interactive mode and procedure method, respectively. the driven data of the cutter guide is generated, which is based on sampling data processed. it proposes an intelligent data reduction algorithm which bases on the combination of straightness of curves, equidistance and distance deviation principle

    首先採集並分析了內輪廓數據,分別運用序處理方式和人機交互方式實現采樣數據點的規則化處理;根據處理后的測點數據生成磨頭驅動數據;並提出了一種基於率、距及距離偏帶的自適應數據壓縮方法。
  3. In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production

    論文具體分析研究了不同成形工藝過中金屬流動的特點,並對不同凸模行下溫擠成形過中的金屬流動特點、坯料連皮厚度(底部高度)與溫擠壓成形工藝中的軸向界限尺寸的值對金屬變形階段的影響進行了分析,獲得了坯料在不同凸模行下的效應變場、速度場場變量及凸模行-載荷,同時對油泵定子成形過的影響因素進行了分析,優化並獲得了合理的溫擠成形工藝及模具參數。最後,利用模擬優化獲得的各項工藝參數進行生產實驗,得到實際生產出的合格油泵定子件,並將模擬結果與生產實驗結果進行比較。
  4. With the numerical solution, an internal condensation critical curve can be calculated out by condensation theory and depositing theory, on the curve, the enter water ability equal to the out water ability, which can be used as the basis to determine the occurrence of internal condensation. but the result doesn ’ t coincide with the real completely. in this dissertation, we plan to get the critical curve by practical experiment results, because that the enter water ability only relates to the condensation density and the out water ability only relate to the volume ratio of the pneumatics system

    然而由凝結理論和沉積理論得到的計算結果往往與實際有一定偏,本課題希望通過實驗的方法獲得內部結露臨界,即系統進水能力和排水能力相,由於系統的進水能力和充放氣過中凝結水滴密度有關,排水能力和系統容積比有關,可以通過大量實驗總結出以凝結水滴密度和容積比表示的內部結露臨界,作為判別內部結露是否發生的依據。
  5. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路壓模型在變轉速、變導流器開度和變管網阻力工況下的應用精度和誤分佈規律;最後用visualc + +語言開發了風機性能在監測系統。
  6. According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results

    本文根據項目組研究成果,重點閘述了三維折射波靜校正技術,疊前波場分離相干噪音壓制方法(疊前fx去噪) ,疊前三維多域隨機噪音衰減技術,多次波衰減技術,非對稱雙動校正技術,波動方動態替換技術,非地表一致性的剩餘時靜校正技術,超面元迭加處理技術,疊后深度偏移處理,疊前深度偏移處理
  7. The function of the software use pc - computer to dispose the output signal which is produced by the device as following steps : ( 1 ) to input data by parallel interface ( 2 ) to record and form a file ( 3 ) to demonstrate results step by step ( 4 ) the results could be compiled ( 5 ) it can synthesis in the permitted error scope, substituted original dot for line or arc, finally we could get a graph that is described by some simply curve. ( 6 ) to convert these graph into a program, which used in the cutting process of numerical control. ( 7 ) the software also includes some protective methods

    而系統處理軟體的作用是:利用pc兼容機,將上述裝置的輸出信號( 1 )通過并行口輸入( 2 )記錄成文件( 3 )逐點顯示出來( 4 )可人工進行化簡,編輯(刪、改點)( 5 )可在給定誤范圍內進行人工擬合,用直和圓弧取代原來的點,得到一個與原圖形的誤在規定范圍內,又消除跟蹤過中因受到各種干擾而造成的缺陷,由盡可能少而簡捷的數學描述的圖形( 6 )把這些圖形轉化成用於編制數控切割加工序及autocad能夠識別的文件(主要指dxf格式) ( 7 )該軟體還有一定的加密措施。
  8. Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes

    本文所做的主要工作包括以下幾個內容:一、選取了常見的熱膨脹系數大的材料製作封裝元件,經過多次一80到80反復測試,封裝元件沒有出現老化開裂、封裝裂紋、空洞、離層缺陷,封裝材料具有良好的溫敏穩定性及復用性,與光纖相容性較好;二、對光纖光柵進行簡單、實用的封裝處理,就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產生的波長損失方面進行了一系列的實驗,得出了初步的結論;三、對溫敏和溫度補償式封裝的實驗數據進行了詳細的分析和對比,從數字上對溫變過中光纖光柵中心波長的改變及溫變進行了定量的分析,在大量實驗數據分析結果的基礎上,總結出哪種材料封裝效果更好,以及如何有效的減小實驗誤
  9. The time difference curve may confirm the fast formation ; judge the tool ' s centrality ; verify the bonding quality combining with cbl / vdl curves, and also determine the casing collar position, etc

    則可以根據時的大小驗證快速地層;由的變化幅度判斷儀器在井中的居中度;結合首波的幅度波列的變密度驗證膠結狀況是否良好;利用時的變化確定套管接箍位置
  10. Then, taking into account the effect of the compression of the approach roadway and the differential slope of the bridge slab, the author analyzes the dynamic response of man - vehicle - road system when the vehicle approaches and leaves the bridge by means of laplace transform, the curve of man ' s acceleration versus time, the vertical force between the vehicle and road versus time, the man ' s maximum transient vibration value and the maximum force between the vehicle and road are got, and the program about the calculating progress above are edited. based on the analysis above, the influence on the maximum transient vibration value of some parameters about the vehicle and road such as the movement direction and speed and weight of the vehicle, the differential slope of the bridge slab and the length of the approach slab, are studied, and some conclusion are given

    分上橋和下橋兩種情況,考慮車路耦合和橋面沉降坡的影響,對車輛通過設和不設搭板的路橋過渡段時「人?車?路」系統的相互作用用拉普拉斯變換法進行了動力響應分析,得到了人的加速度及路面對車的垂直作用力隨時間的變化、人的加速度最大瞬態振動值和路面對車的最大作用力,分析了車輛的行進方向、速度和載重,橋面沉降坡和搭板長度車和路各參數對計算結果的影響,並編制了相應的計算序。
  11. In the procedure, the column is first divided into a finite number of small segments in equal length. the deflection - curvature relation of each segment is determined using the finite - difference method. the final nonlinear algebraic equations are then obtained by means of the equilibrium condition for each segment

    運用這種方法,先將長柱離散成若干長的柱段,利用分方法求得各柱段截面上的撓度與率的關系,再根據各截面上外力與抵抗力的平衡條件,得到一組關于荷載與變形關系的非性代數方組;本文對該方組採用載荷增量法進行迭代求解。
  12. Based on the theory of stochastic finite element, the structural parameters of frame - shear structure including stiffness and mass and damping are simulated to be stochastic variables. by solving recurrence equation of stochastic finite element, the duration curve of mean value and standard deviation of seismic response can be obtained for every floor of frame - shear structure. an analysis is thus given to the effects of independent variation and simultaneous variation of structural parameters on the seismic dynamic response of frame - shear structure. as shown by the results, with regard to frame - shear structure, the effect of variation of strucural parameters on the change of mean value are chiefly the increase of standard deviation of response. variation of stiffness will cause the response of frame - shear structure to variate greatly ; variation of mass shows less effect ; and variation of damping shows insignificant effect. the effects of simultaneous variation of various structral parametres on seismic response are only slightly greater than the effect of stiffness variation alone

    以隨機有限元理論為基礎,將框剪結構的剛度、質量、阻尼結構參數為隨機變量.通過求解隨機有限元的遞推方,得到框剪結構各層的地震動力響應均值和標準歷時.分析結構參數單獨變異,以及同時變異對框剪結構地震響應的影響.研究結果表明,對框剪結構而言,結構參數的變異對響應的均值變化影響都不大,主要是增大響應的標準.剛度的變異性將引起框剪結構的響應發生大幅度變異,質量的變異性影響稍小,阻尼的變異性影響不顯著.結構各參數的同時變異,對框剪結構地震響應的影響,僅比剛度單獨變異的影響稍大
  13. In this paper, the temperature fields during liquid infiltration extrusion of composites are simulated with the fem, the seepage fields of liquid metal are simulated with the fdm. both the temperature fields and the seepage fields are coupled, the temperature variation curves, infiltration front process curves and velocity variation curves with time are obtained

    本文採用有限元法模擬了液態浸滲擠壓復合材料浸滲過溫度場,採用有限分法模擬了液態金屬滲流場,將兩者間接耦合分析計算,得到了浸滲區域的溫度變化、浸滲前沿及浸滲速度隨時間變化
  14. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限分法和完全匹配層技術的數值模擬方法之後,首先從運動電荷和電力的角度直觀地描述了脈沖電磁波的輻射過,然後進一步從場與電荷相互作用的角度分析了天上電荷是如何被加速以及如何維持其運動狀態的,指出了開放空間中突然出現的時變電場(位移電流)是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天和局部彎的天進行了研究,以進一步說明上述觀點.對多種情況下的脈沖輻射過進行了數值模擬,並給出了電場的和空間波形圖,這些圖形對理解脈沖電磁波的輻射機理非常有益
  15. The results showed that process parameters varied with time in fermentation was distinct for different agitator and the hydrofoil impeller instead of the disc turbine impeller might significantly reduce power consumption under the same condition

    研究結果表明: ( 1 )與傳統的渦輪攪拌槳相比,翼形軸流槳攪拌其發酵過參數(粘度、溶氧、效價)隨時間的變化有明顯的異; ( 2 )在相同的生產條件下,用冀形軸流槳代替渦輪槳可有效提高生產效率。
  16. The intermediate - temperature sofc ( solid oxide fuel cell ) ’ s electrolyte with perovskite - type lsgm ( la _ ( 0. 9 ) sr _ ( 0. 1 ) ga _ ( 0. 8 ) mg _ ( 0. 2 ) o _ ( 3 - ) ) was synthesized using advanced pechini method and solidification method. the thermal and electrical properties of the sintered samples ( synthesized by two different methods ) were measured and compared by thermal expansion and ac impedance spectroscopy ; the phase transformation process and inner structure were measured and compared by xrd, dta - tg and ac impedance spectroscopy. the research results show that the electrolyte synthesized by advanced pechini method has several advantages, such as fine pre - powders, low sintering temperature, reduced or eliminated impurity phases and high conductivity etc. so, the apm is ideal method to synthesize lsgm

    採用改進的檸檬酸法(以檸檬酸和edta乙二氨四乙酸為復合絡和劑,檸檬酸為燃料)和固相法分別制備了具有鈣鈦礦結構的中溫固體氧化物燃料電池的電解質材料lsgm ( la _ ( 0 . 9 ) sr _ ( 0 . 1 ) ga _ ( 0 . 8 ) mg _ ( 0 . 2 ) o _ ( 3 - ) ) ,用熱?熱重分析( dta / tg ) 、 x光衍射分析( xrd ) 、交流阻抗譜技術( ac - impedancespectra ) 、比表面積分析( bet )和燒結收縮率手段對產物的熱分解過、物相轉變和內部結構進行了表徵,並對由這些粉體燒結而成的固體氧化物燃料電池的電解質材料的電導率進行了檢測。
  17. The program we made can calculate all kinds of compensating errors of quadric curve whose calculation accuracy can reach 10 - 6mm. the machining tools we devised can perform the functions of interception of quadric curves and errors compensation, which meets the demand of basic movements

    編制出的序可計算出各種二次的補償誤,精度可達10 ~ ( - 6 ) mm ,設計出的加工機床可完成二次的截取,補償功能,滿足基本運動要求。
  18. Nonlinear dynamical systems ; nonlinear waves ; diffusion ; stability ; characteristics ; nonlinear steepening, breaking and shock formation ; conservation laws ; first - order partial differential equations ; finite differences ; numerical stability ; etc

    性動力系統;非性波;擴散過;穩定性;特徵值及特徵;非性陡斜,阻斷和激波的形成;守恆定律;一階偏微分方;有限分;數值穩定性
  19. According to generating finite element model by meshing for special - shaped section columns, a computer program using the digital iteration method for full range analysis of special - shaped columns is complied. by the analytical results, " m - " " related curves are obtained, at the same time, differences of ductile behavior, and bearing capacity are analyzed

    通過異形柱截面的有限元單元網格劃分,用數值方法編制了計算機分析序,通過計算,可以得到以上各種截面柱的彎矩?率關系,分析它們在延性和承載力性能方面的異。
  20. The main contents as follows : 1. studied the ideal second class calibration system, having studied kinds of parameters of the calibration system and environment ’ s influence on the phase difference measurement and have obtained many important results. put forward an engineering calibration system, and obtained the phase difference - - electric conductivity rate curve and analyze the system ’ s error margin etc. important

    本文就這兩大關鍵問題做了深入的研究,主要內容為如下: 1 .研究了相位感應測井理想二級刻度器模型中各種參數和環境對測量精度的影響,得到了許多重要的結論;同時提出了一種工上切實可行的刻度系統方案,給出了相位-電導率以及系統誤重要參數。
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