直線元素 的英文怎麼說

中文拼音 [zhíxiànyuán]
直線元素 英文
vertical element
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : 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...
  • : Ⅰ形容詞1 (本色; 白色) white 2 (顏色單純) plain; simple; quiet 3 (本來的; 原有的) native Ⅱ名...
  • 直線 : 1. (不彎曲的線) straight line2. (急劇的) steep; sharp
  1. So the plate - like drawing correcting process can be divided into two stages : absolute errors checking and comparative errors checking absolute errors checking include four modules which were line - weight checking, hatch checking. dimension checking and overlapped line checking comparative errors checking module include drawing compartmentalization, view recognizing, data getting and data compare in this correction system, line - scanning and circle - scanning algorithm, direct graphics element compare algorithm and character compare are used, which simplify the process and reduce difficulties

    相對錯誤檢查包括區域劃分、視圖識別、數據提取、數據提取等過程。相對錯誤的判斷依據是答案圖。本批改系統採用和圓弧掃描演算法,並且結合圖形接比較法和特徵比較法,既簡化了處理過程,又降低了處理難度,比較圓滿地完成了開題報告確立的任務。
  2. In the third chapter, it was particularly analyzed the impact of the correlation between antenna arrays both sides of transmit and receive, the coexistence of line of sight ( los ) component and scatter power component in the radio propagation environments, and known and unknown channel state information on the capacity of mimo channel. the related simulation results are also given

    第三章著重分析了收發兩端的多天之間存在相關性、同時存在射分量( los )和散射分量的傳播環境、已知和未知通道的狀態信息等因對mimo通道容量的影響,給出了有關模擬結果。
  3. This dissertation majorly researchs and designs full digital dc driving system with fuzzy control. it makes a scheme argumentation firstly, analyzing the pid algorithm and fuzzy control algorithm the ordinary digital pulse trigger algorithm and the double remainder method of pulse trigger in detail, and fuzzy control and the double remainder method are put forward to settle the under - mentioned problems, namely, the new viewpoint and the task having finished in this dissertation as follows : ( 1 ) in rder to overcome the influence of dc motor ' s parameter changing with time and nonlinear on the control system performance, this dissertation adopts fuzzy control as outside regulator and pi control as inside regulator in double regulators of the full digital dc motor driving system design ;. ( 2 ) aiming at the pulse trigger reliability of the ordinary d igital pulse trigger being low and leaking the pulse or the order of pulse confusion, this paper adopts the double remainder algorithm with short response time high pulse trigger reliability good adaptability and anti - jamming ; ( 3 ) this dissertation adopts tms320lf2407 which has good performance as major control chip this chip has power function with fast calculation capability, and accomplishes the software and hardware design in the dc motor driving system with fuzzy control ; ( 4 ) this dissertation also puts emphases on anti - jamming in hardware and software ; ( 5 ) after having designed the sample of full digital dc motor driving system with fuzzy control, a lot of experiments are performed to verify the performance and settles problems during experiment. the result of experiment proves the feasibility of design

    首先進行了方案論證,對模糊控制演算法和數字pid調節演算法、觸發脈沖的一般演算法和雙余演算法進行了詳細地研究分析,提出應用模糊控制和雙余法解決下述問題,即該論文主要的新見解和所完成的工作: ( 1 )為了克服流電機參數時變性和非性因對控制性能的影響,本設計中,雙閉環調速系統的外環採用模糊控制,內環採用pi控制,使系統在一定范圍內對流電機參數變化和非性因影響有自適應能力; ( 2 )針對常規數字觸發器演算法中觸發脈沖的可靠性不高,經常出現漏脈沖或是脈沖混亂的情況,本文採用雙余法,該演算法具有響應快,可靠性高,具有良好的適應性及抗干擾能力; ( 3 )本設計中採用了速度快、功能強的tms320lf2407作為系統的主控晶,應用該晶完成系統的軟硬體設計: ( 4 )本文對系統抗干擾的軟硬體措施進行了重點研究; ( 5 )設計了具有模糊控制的全數字流傳動系統原理樣機,並進行了試驗驗證,對試驗過程中出現的問題及時解決,最終實驗結果證明設計是可行的。
  4. The results of research reveals the variation disciplinarian and the affected factor, defines the factor limiting the urban regional development. all these offer scientific references for reasonable city planning, municipal building project planning, reasonable arrangement of land use, the confirmation of land use intensity and the improving land use benefit. and a series of methods we have explored can apply the practical manipulation of grading and assessing urban land, which contribute to enhance working efficiency, shorten the time of evaluation, enhance the updating of urban land price, establish a system of dynamic superviso ry control and examination, and enhance accuracy and objectivity of urban land - rated evaluation

    再由球形檢驗和主成份分析、信度分析、多回歸分析的技術路,逐層遞深地解譯影響城市地價的主要因及相互數量關系,其研究結果揭示了城市地價的變化規律和影響因、明確了限制城市區域發展的因,為合理的城市規劃,市政建設項目規劃,合理安排土地用途,確定土地利用強度,提高土地利用效益等提供了科學依據,同時探索的系列化方法可接應用於城市定級估價的實際操作中,有利於提高工作效率,縮短估價時間,提高城市地價的現勢性,建立地價動態監控和測算系統,又可提高城市定級估價的準確度和客觀性,在理論上、學術和實踐上均有積極意義。
  5. ( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses

    本文基於彈性理論和有限原理與方法,分析了上埋式地下管道橫向力學計算方法和性狀並探討了上埋式地下管道的減荷等問題: ( 1 )在分析現有幾種典型的管道垂土壓力計算方法的基礎上,探討了影響垂土壓力的主要因以及改進的方法; ( 2 )分別通過彈性理論分析法和結構力學的方法,建立了地下管道柔性圓環和剛性管涵的橫向靜力計算方程,並應用在算例中,把所得結果和有限方法所得結果進行對比分析; ( 3 )考慮填土、管道和基礎的共同作用、土體的非性特性、初始應力場以及土體和管道的接觸面因的影響,利用有限的思路,建立了地下管道橫向力學有限計算模型和方法,並且採用大型有限分析軟體ansys ,針對上埋式管道工程算例,得出了管周土壓力以及管道橫截面應力的分佈狀況和規律,並和理論值進行對比;針對施加柔性填料的上埋式管道工程實例,得出了減荷后的土壓力分佈,並和實測值進行了對比。
  6. The new method of direct determination of micro amounts of elements in electrician silicon - steel chips is based on the high performance of pw 2400 x - ray fluorescence spectrometer system and its software. it can correct both the matrix effect and the influence of sample physical status. specimens of steel chips can be determined directly without any pretreatment. the method has high accuracy and precision, the operation is easy and the analysis is fast

    報道了x射熒光光譜法接測定電工硅鋼鋼屑樣品微量的新方法,校正了樣品中間的基體效應影響和校正了鋼屑樣品的不同顆粒結構,不同幾何形態及不同表面狀態的影響,使鋼屑樣品可不經處理接測定,操作簡便。
  7. In this paper, based on the analysis of the rlem of theory foundation, computing method, preference, applicability, etc, we anatomized the rlem of three self - deficiencies and six scarcities. moreover, we adopted the parallel ways of contrasting the rlem with the fem and applied it to analyzing the impact of slide block of elasticity and plasticity, slip surface of coefficient and slip bed of elasticity, plasticity upon the stability of slope and in the plain linearity slope, the plain refracted line slope and the plain arc slope. in addition, we discussed the warp of between the lem of ( sarma, janbu, order, bishop, morgenstera - price, etc ) and the fem of result and the distributing of positive stress and shear stress on the slip surface

    本文從剖析剛體極限平衡法的理論基礎、計算方法、參數選取、適用條件等方面入手,剖析了剛體極限平衡方法的3點自身缺陷和6點不足,並在此基礎上採用了剛體極限平衡法(平面滑動破壞法、 sarma法、傳遞系數法、普遍條分法、 janbu法、 bishop法、 morgenstern - price法)與大型有限法對比研究的方法,分析研究了平面型滑坡、平面折型滑坡、平面圓弧型滑坡在漸進破壞中邊坡的滑體彈塑性參數、滑麵塑性參數) 、滑床的彈塑性、以及極限平衡法無法考慮開挖應力釋放等因對邊坡穩定性的影響與滑動面上的正應力、剪應力分佈規律、安全系數的解答的差異。
  8. Thus, it is urgent and necessary to study and experiment this research. this research acclimates to the current of the relation between " education and development ' ', basing on the theory of scientific psychology and pedagogy, regarding developmental idea as its main line, relying on multiple research method, which explores scientifically and deeply theory and practice of the developmental mental health education in five - year normal school, strives to construct an integrated system, directly serving for today ' s training objectives

    本課題順應了世界上「教育與發展」關系的潮流,以科學的心理學、教育學理論為依據,以發展性理念為主,以多化的研究思路為依託,對五年制師范發展性心理健康教育的理論與實踐作了科學而深入的探討,力圖構建一個完整的五年制師范發展性心理健康教育的體系,接服務於今天的五年制師范質教育培養目標。
  9. In two - view case, a method is presented for calculation 2d projective transformation and construction the virtual elements by combination of spatial points and lines. so more 3d invariants of object ' s spatial structures can be extracted from real elements and virtual eleme nts. ( 3 ) the geometric characteristics of 2d symmetric objects " in perspective images are lucubrated

    ( 2 )擴展了2d射影變換矩陣的求解方法,將單純利用點集對應的計算模式擴展到利用集、點組合等多種類型來建立兩個射影平面的對應關系;總結了平面上基於點、直線元素可求解的多種3d不變量;提出了雙視圖下由點、直線元素的多種對應關系求解2d射影變換來構造「虛」的方法,結合「實」和「虛」可以提取更多的空間3d不變量。
  10. ( 4 ) for the second hierarchy mentioned above, the key operation is the scalar multiplication, especially, the pairs of scalar multiplication used in certain practical elliptic curve cryptosystems

    ( 4 )對于第二層次的運算,關鍵是點的標量乘法運算,特別是在某些具體的橢圓曲密碼體制中需要接計算標量乘法對。
  11. Transmition velocity relys on the style of encode and modulation essentially during modern data transmition for the quality of using line bandwidth and the immunity of code ties on them tightly. but it is important that the velocity of data transmition reaches its limitation in fact for the interface of environment and cross - talk. so for the improvement of transmition velocity, we must analyze the characteristics of noise signal and the model of line deeply and then take some useful measures to better the immunity of modulation wave

    在現代通信的數據傳輸過程中,傳輸速率本質上是由傳輸的編碼方式和調制方式決定的,因為編碼方式和調制方式接決定了路頻帶利用率和碼抗干擾能力的好壞,因而接決定了傳輸速率;但是在實際應用過程中,數據傳輸速率是不可能達到理想狀況的,因為環境干擾、串音干擾等因的存在使得路的頻帶不可能被完全利用起來;因此,必須認真分析路的噪聲信號的特性以及噪聲路的模型,以便在編碼方式和調制方式中針對性的做一些改進措施以改善調制波形的抗干擾能力,使得傳輸速率能夠進一步提高。
  12. Primarily there are two aspects : 1 ) the calculation model of the value of land classifying units - - model of time distance attenuation. in the calculation model of the value of land classifying units, author brings forward the model of time distance attenuation. in this model adopting the network analysis, and by establishing the road network, and proceeding path analysis, computing the time distance, then proceed the exponential attenuation or straight line attenuation on time distance, get the value of influence factor of the land classification unit

    主要有兩個方面: 1 、定級單分值計算模型? ?時間距離衰減模型在定級單分值的求取模塊中,提出了時間距離衰減模型,模型中採用網路分析的方法,通過建立道路網路,進行路徑分析,求取時間距離,進而按時間距離進行指數衰減或衰減,得到定級單因子影響分值。
  13. The inner and outer orientation elements of non - mearsured camera are figured out in the method of direct linear transformation ( dlt ) on the basis of the known coordination of key points in the image. the tolerance analysis of inner and outer orientation elements is accomplished with the coordination of redundant key points. finally, the physical spacial coordination of the image points is calculated in the way of dlt

    運用性變換法( dlt ) ,根據測量圖像中控制點的已知坐標,計算出非量測相機的內、外方位,使用多餘的控制點坐標,完成內、外方位的誤差分析,最後運用性變換法根據測量點的像點坐標計算出相應的物方空間坐標。
  14. The design abstraction is as follows : there is a memory core that has functions to push vertex to arrays ; there are four different types of arrays, and each one corresponds to gl primitives like lines, triangles, line strips and triangle strips

    設計摘要如下:一個可把頂點推向排列的內存核心;四個不同的陣列,每個都可與gl原始、三角、條和三角條響應。
  15. ( 4 ) the special geometric restrictions like parallelism and perpendicularity implicated in vanishing elements are deeply studied. in single - view case, the theory is presented to interpret relationship between two planar lines by applying 3d invariants of vanishing points. in two - view case, the method on extraction vanishing point of an arbitrary sp atial line is described, and moreover, the theory is presented to interpret relationship between two elements in 3d space, such as two lines, two planes, line and plane, and so on

    ( 4 )詳細論述了消失(消失點、消失、消失平面等)所體現的垂、平行等特殊幾何約束關系;對單視圖,提出了一種利用消失點列的3d不變量解釋平面關系的方法;對雙視圖,提出了利用自共軛三角形和對極幾何約束,提取任意的消失點的演算法,並在此基礎了提出了一種利用消失的3d不變量解釋間、與平面間、平面間等多種空間幾何關系的方法。
  16. According to the presented sensor array form, the corresponding mathematical mode1 is established, and factors which influence tde accuracy have been analyzed in detail. the influence of tde accuracy to the estimation of tafget distance and bearings estimation is discussed also. meanwhile, the limitation of passive tracking methods and the difference between passive positioning and passive tracldng which based on three - element array are discussed

    論文的主要研究工作有以下幾個方面: 1 )針對三陣的陣列形式,建立了相應的數學模型,對影響時延估計精度的因進行了詳盡的分析和研究,討論了時延估計精度對目標距離和方位估計精度的影響,並討論了三基被動定位的局限性以及被動定位和被動跟蹤的差別。
  17. This paper describes the conjunction relationship of the basic point of the flat surface outline on the parts and reveals the internal law of the intersections connecting with the typical curve ; the principle of the calculation and the characteristics on straight line to parabola basic points are illustrated

    摘要介紹了平面輪廓零件各組成之間的連接關系,並揭示了典型曲交接的內在規律,闡述了與拋物交接點的計算原理和特點,總結歸納與拋物連接的處理方法,以及自動淘汰無效基點的基本準則。
  18. The deformation of parallel buried pipelines and perpendicularly crossing buried pipelines induced by pipe jacking is analyzed by 3 - d fem. the displacement pattern of buried pipelines and its influence factors are studied. the measures for protecting neighborhood underground pipelines and relevantly controlling measures for minishing the ground movements during pipe jacking are advanced

    採用ansys程序進行了三維有限建模,模擬了頂管施工對相鄰平行地下管和垂交叉地下管產生的影響,研究了地下管道的位移模式,對影響地下管位移的主要因進行了分析,提出了頂管施工中對鄰近地下管的保護措施以及減小地層移動的控制措施。
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