瞬時位置 的英文怎麼說

中文拼音 [shùnshíwèizhì]
瞬時位置 英文
instantaneous fix
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 動詞1. (擱; 放) place; put; lay 2. (設立; 布置) set up; establish; arrange; fix up 3. (購置) buy; purchase
  1. As object lessons to explain : 1 the nature and habits of oviparous animals, the possibility of aerial flight, certain abnormalities of vision, the secular process of imbalsamation : 2 the principle of the pendulum, exemplified in bob, wheelgear and regulator, the translation in terms of human or social regulation of the various positions clockwise of movable indicators on an unmoving dial, the exactitude of the recurrence per hour of an instant in each hour, when the longer and the shorter indicator were at the same angle of inclination, videlicet, 5 5 11 minutes past each hour per hour in arithmetical progression

    他把它們作為實物教材,用以說明: 1卵生動物的本性與習性,空中飛行的可能性,一種異常的視覺器官,世俗界用防腐藥物保存屍體的方式。 2體現于擺錘輪與整器上的鐘擺的原理不動的針盤上那可移動的正轉的長短指針在各個作為人或社會規范所包含的意義長針和短針每小在同一傾斜度相遇的那一間,也就是說,按照算術級數,每小超過5 5 11分的那一間,每小重復一次的精確性146 。
  2. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特點,運用數力學中矢量分析理論和方法,推導了接地比壓為線性分佈履帶式車輛在斜坡上轉向轉向中心偏移量與車輛重心、轉向半徑、行進速度、加速度、車輛方相互關系的計算公式。
  3. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及干涉技術應用研究一因此直接無法分辨編隊目標的架數,我們借鑒isar的技術,通過較長間的相干積累,在多普勒頻域上對目標進行分辨。而對于編隊目標,可分為近似剛性的多目標和非剛性的多目標,所以對于可以近似為剛體的編隊目標相對固定,運動方式一致,可以近似看作一個大目標,採用最小墑準則對平動相的進行補償,但是大多數並不滿足剛體近似的編隊目標,由於目標在相干積累間的多普勒頻率近似呈線性變化,通過對較短數據利用relax的頻分析方法,提高了頻率域上目標分辨的性能。由於橫向解析度取塊于橫向積累間,所以利用radnwigner變換得到的一維橫向距離像大大提高了對編隊目標的分辨,對模擬和實測數據的大量分析結果表明此方法的有效性和可行。
  4. Solid model of the involute worm gearing solid model with drive ratio 1 / 50 is built by using ideas - 5. 0, then the elastic contact analysis is proceeded on the basis of contact fem. the dynamic evolution image of the area of the contact zone, the load sharing among instantaneous meshing tooth pairs, the distribution of the contact force, and tooth stress are obtained. 3

    通過漸開線圓柱蝸桿、蝸輪的齒面方程式,利用ideas - 5 . 0軟體建立了傳動比為1 / 50的漸開線圓柱蝸桿傳動的實體幾何模型,在此基礎上應用接觸有限元方法對該傳動進行了彈性接觸分析,包括接觸區的形狀、、載荷在嚙合齒對的分配狀況; 3
  5. According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger

    運用非牛頓流體力學理論和數理方法,結合抽油泵柱塞運動特點,假設液體為不可壓縮的,液體在縫隙中流動的水力半徑很小,呈層流流動,柱塞在每一間,流動做定常流處理,建立了泵筒與柱塞同心和偏心兩種情況下運動方程和邊界條件,引入無量綱坐標、無量綱速度和柱塞與泵筒偏心配合的縫隙高度,並給出縫隙流流速、流量的解析解。
  6. Geography position and meteorology character in gongboxia watershed are analyzed, according to which the excess of infiltration and instantaneous unit hydrograph are used in runoff and affluence models, and muskingum routing method in river course affluence, kalman filtering technique and least square method in real - time correction

    分析公伯峽流域所處地理及該流域內的氣象特徵,確定產、匯流模型採用超滲產流和線,河道匯流採用馬斯京根法,實校正法由卡爾曼濾波和最小二乘法組成。
  7. The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation

    本研究主要進行了以下工作:結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況,建立了牽引網電流分佈、積分分佈、任一刻機車分佈和取流的數學模型;應用數學規劃方法建立了任一距離區間、任一刻的電流、電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型;闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法;進行了工程實例計算;最後,對牽引供電系統優化設計技術應用進行了總結。
  8. This method is also valid for identifying the circuit and branch defect of first group spatial linkages based on the equivalent of circuit properties of the first group spatial linkages and its equivalent sphere four - bar linkage base on the property of the solutions of quartic equation, the conclusion that the number and order of branch between two adjacent stationary positions of the input link are derived. then, the new method to identify circuits of spatial single - loop linkages with four closures is presented. all types of the manner on which the branches coalesce at the stationary positions of the input link are obtained and the procedures to determine the type automatically are developed

    基於一元四次方程解的性質,得到了在輸入構件兩個相鄰靜止之間機構的分支的數目和大小順序不變的結論,進而提出了識別具有四個封閉形的空間單環機構迴路的新方法一一死點法,綜合出了輸入構件靜止機構分支結合情況的所有類型及其自動判別方法,研究了由所有結合的分支信息自動生成迴路的演算法,首次解決了此類機構迴路與迴路缺陷的自動識別。
  9. In the axes permitted area determined by different given basic design parameters, for different size and different axes position, the instantaneous efficiency variation rule during rise and return and the whole efficiency variation nile during rise, return and the motion cycle of in - line follower cam mechanisms has been studied respectively

    研究了在給定的各種不同基本設計參數情況下所決定的凸輪的軸心許用區內,對于不同大小、不同的軸心的凸輪,直動滾子從動件凸輪機構的效率在推程階段和回程階段的變化規律以及總效率分別在推程階段、回程階段以及整個運動循環周期內的變化規律。
  10. It is showed that the torque ripple is not only connected with the phase currents, but also with the other factors, such as the instantaneous phase emf ' s in the case of commutation, the angle of commutation and the parameters of the windings

    從一個新的角度分析了繞組換相引起轉矩波動的原因,指出換相轉矩波動不僅與電機繞組電流有關,還與換相相繞組感生電勢值、換相角、繞組參數等因素有關。
  11. A three - dimensional - acoustic doppler velocimeter is used to measure the velocity components of the flow field in all three coordinate directions for different discharge and measurement site. the influence of measurement site and the depth / vegetation height ratio on the measured velocity profile and turbulence intensity and the renolds stress is analyzed. the characteristics of the measured velocity distributions and the results of the previous investigators are used to select an analytical expression for the shape of the velocity profile

    利用三維超聲波多普勒流速儀( adv )量測不同、不同流量下的流場。分析了測點和水深與植被高度比對均流速分佈的影響。本文還給出了種樹段紊動強度及雷諾應力的垂線分佈。
  12. ( 2 ) deletions of four different lengths were conducted using pcr amplification with the information of sequence of pdf 1. 2 gene promoter. these mutated promoters were fused to the gus reporter gene and introduced into tobacco plants. the results of gus activity driven by these different constructs showed that the promoter sequence between positions - 300 and - 243 ( containing a gcc box and a g box - like sequence ) was an essential ja - responsive element region to activate the expression of gus reporter gene, and the - 300 bp position was defined as the boundary of the minimal functional promoter in response to ja signaling

    ( 2 )對該啟動子的5 』端進行不同長度的缺失突變,突變的啟動子與gus構建的融合基因在煙草中受meja誘導的表達結果表明,該啟動子中- 300 - 243bp區域(有一個gccbox和一個gbox - likesequence )是其應答meja處理所必須的區域,並將- 300bp作為該啟動子應答ja信號的最小區域的邊界
  13. In order to minimize the torque ripple of srd, the dissertation further design the intelligent torque control system, introduce the instantaneous torque control strategy based on torque distribute function, which is implemented by the flux linkage controller of srm. furthermore, considering the multi control parameter, the article also found the rotor position angle controller based fuzzy logic so as to optimize the whole control system and effectively reduce the torque ripple

    為了降低srd系統的轉矩脈動,本文在所建模型的基礎上,設計出智能化轉矩控制系統,利用轉矩分配函數,提出轉矩控制策略,同採用磁鏈控制器來實現;考慮到srd具有可控參數多的特點,本文同建立了優化轉子角的模糊控制器來達到智能化轉矩控制的目的,從而有效抑制sr電機的轉矩脈動。
  14. The two color systems hsv and hls are used for two reasons. firstly, they have advantages over the traditional method in using the ratio of the color components as separate images of the same scenes so that they can avoid linear correlation to color components

    本文選用hsv和hls兩種常用顏色模型計算彩色變圖像的光流場,實驗結果表明該方法能得到相當精確的瞬時位置速度且適用於各種運動。
  15. The vertical mixing law of the linear source in the natural river has been studied in the second step. at first the concentration equation of the linear source at different depth has derived. by the theoretical analysis, the relationship between the distance of the vertical homogeneous mixing and the part depth of homogeneous mixing, and the equation calculated distance of whole depth homogeneous mixing for the linear source have been presented

    通過理論推導,得出任意線源濃度場的解析解表達式;推導得到表面不同深度線源排放垂向部分均勻混合水深隨縱向距離變化規律的函數關系,並建立了相應變化規律的諾莫圖;導出了表面不同深度線源在全水深均勻混合的縱向距離的計算公式,應用長江口南通河段實測資料驗證,得到一致結果。
  16. It uses the encouragement of step wave or other impulse current field source to produce the transition process field in earth. in the moment of shutting the power it produce the volute alternating electromagnetic field. from the abnormity of measuring the attenuation character of the second induction electromagnetic field, which produced by underground medium with time change, the conductive capacity and the position of the underground non - homogeneous substance can be analyzed

    變電磁法( transientelectromagneticmethod )是一種間域的電磁勘探方法,利用階躍波或其它脈沖電流場源激勵,在大地產生過渡過程場,斷電間在大地中形成渦旋交變電磁場,測量這種由地下介質產生的二次感應電磁場隨間變化的衰減特性,從測量得到的異常分析出地下不均勻體的導電性能和,從而達到解決地質問題的目的。
  17. On the basis of the principle of direct torque control, a control strategy of the grade of errors for induction motor has been proposed to improve the performance of powertrain system of hybrid vehicle in this thesis. the stator flux error, electric magnetic torque error and flux position angle are considered as control variables, and the switching states are determined by the control rules of the direct torque control

    本文在直接轉矩控制系統的基礎上提出了一種基於誤差等級的直接轉矩控制dtc策略,它以電機定子磁鏈誤差、電機電磁轉矩誤差及磁鏈角作為控制變量,然後根據直接轉矩控制原理制定控制規則來選擇開關狀態,進而提高系統的轉矩響應。
  18. Instructor : we may begin with serve. try to toss the ball into the same spot every time ? let your racket head drop behind you and then hit the ball suddenly

    教練:我們從發球開始吧。盡量在發球每次都把球拋到相同的,然後將球拍舉到頭後方,間擊球。
  19. The whole - body gamma knife system is a kind of non - invasive medical instrument by using co - 60 as the gamma ray source. according to geometrically focusing theory, the gamma knife system can precisely focus in spirals 30 beams of gamma rays from different directions to a target through a collimator. by the collimator s direction, the predetermined lesion will be under radiation in heavy dose and subsequently be destroyed completely

    體部伽瑪刀是利用能產生伽瑪射線的鈷60作為放射源,根據幾何聚焦原理,將30束伽瑪射線從不同方向和通過準直后經一個固定的軸旋轉聚焦到焦點,形成品質優良的劑量區,將腫瘤組織於該高劑量區中,即可在預定間內將病變組織摧毀,體表和焦點以外的正常組織僅受到照射而基本上不受損傷。
  20. Considered a gross error, usually transient, occurring in the reading of digits or numbers and imprecise synchronism which causes changes in different digit positions, such as in analog - to - digital conversion

    一種嚴重誤差,一般出現在讀數過程中和由於不完全同步引起不同數字的變化之際,如在模數轉換過程中。
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