reference axis 中文意思是什麼
reference axis
解釋
參考線-
Projection algorithm is presented as follows : first, characterize the reference image and the float image and turn into binary images ; then, project the binary images onto the abscissa and y - axis and get the projection vectors ; last, according to the elements of the vectors, the rotation and translation parameters were calculated separately
投影法通過二值化參考圖象和浮動圖象，沿x軸、 y軸投影得到投影向量，然後根據投影向量元素的大小和位置，分別檢測圖象間旋轉、平移運動的大小。 -
Geographic axis : man - made arbitrary north - south fixed reference that determines lines of longitude and latitude, and the geographic north and south poles
地理軸：人們制定的北南固定的參考，它們測定經緯線以及地理北極和南極。 -
If we take out several measuring points along the bore axis and work out the amount of bore wearing, we can consult and calculate the muzzle velocity reduction of the piece by reference of the curve board
沿膛軸方向取若干個測點，當測出各點的炮膛磨損量后，即可從曲線板中查取計算出火炮的初速減退量。 -
In the former, two computing modes of fem are built, aimed at the coupling of variable - profile pylon, curved - axis arch and flexible cable. the software algor feas is used to get the results of dynamic numerical analysis, such as natural vibration frequency, vibration mode, dynamic displacement, dynamic stress, which are compared with the results of shaking table test research to draw to important conclusions. these conclusions provide not only potent basis for the design and construction of nanjing century tower, but also reference for other pylon - cable - arch structures similar to the project
在動態數值分析中，針對世紀塔變截面的塔身，曲線軸線的拱以及柔性拉索相互耦合時清況，建立兩種有限元計算模式，利用有限元軟體algorfeas得到動力數值分析的結果，如：自振頻率、振型、動位移、動應力等等，再和振動臺試驗研究成果作比較，得到一些重要的結論，從而為南京世紀塔工程的設計和施工提供強有力的依據，而且為類以於世紀塔工程的其它塔-索-拱結構的設計也提供一定的參考。 -
The main contents are as followings : ( 1 ) the rules of choosing characteristic lines of fe and ni elements in the cu - pb alloy are investigated ; ( 2 ) the characteristic line of the impurity element and that of the reference element makes up a line pair. the intensity ratio of the line pair measured as an y - axis and the corresponding concentration ratio as x - axis, calibration curves for composition analysis is fitted at the 4 kinds of buffer gases
Q ）採用內標法，由樣品中雜質元素的分析線和內標元素參考線組成分析線對，對五種不同的鉛黃銅樣品，實驗通過測定了雜質元素分析線隊的強度比，以分析線對的強度比為縱坐標、分析線對所對應元素的含量比為橫坐標，擬合出了一系列在四種緩沖氣體中的定標曲線。 -
The first image is a reference drawing of the basic normal 4 - chamber view ( figure 2 ), with the cardiac apex and the descending aorta on the left and the axis of the heart at about 45 from the midline
圖2是基本的正常四腔心切面的參考示意圖，心尖和降主動脈在左側，心臟的軸線和中線呈45 。 -
Through the finite element method, this paper compares some variable parameters such as the arch axis, the rise - span ratio and the ratio of spans, which influence the mechanical performances of open spandrel rigid - framed arch bridge. then it summarizes the mechanical properties of this bridge type and the optimal range of these parameters. the plexiglass model test validates the correctness of the finite element method used in this paper. the study will provide reference for the design of this new bridge type
本文採用有限元方法對影響空腹式剛架拱橋受力性能的主要參數：拱軸線型、矢跨比及跨徑比進行了比較分析，總結了這種橋型的結構受力特點以及拱軸線型等參數的合理范圍，為這種新橋型的工程設計提供參考，並通過有機玻璃模型試驗驗證了有限元分析的正確性。 -
This method has some characters : during recording of the transmissive holograms the holographic grating placed in front of the holographic plate closefittingly is used as a spectroscope. the transmissive wave is served as the object wave and the diffraction wave through the holographic grating or the deflective reflect wave produced by the silicon slice is served as the reference wave, therefore the hologram is named as self - reference image hologram. the recording results are the off - axis holograms and the twin images can be separated successfully
在記錄透射型全息圖時，將全息光柵緊貼置於記錄干板之前，而光柵起到了分光的作用，直透波作為全息圖的物光波，參考光是物光通過光柵后產生的衍射波；記錄反射型全息圖時將矽片置於記錄干板之後，利用反射矽片產生離軸參考光，因此系統僅需一束照明光束，參考光來自物光本身，因此稱之為自參考像全息圖。 -
First, we make the basic need of magnetic circuit clearly, present the theory formulation for permanent magnetic circuit of radial polarization using the method of analyzing the theory of magnetic circuit of axis polarization, and program the calculational programme to simulate the magnetic field of magnetic circuit applying finite difference method. then we continue to study using the adult soft of femm of calculation magnetic circuit magnetic field, consider many factors affecting it, get a great lot of data and curves, give some better magnetic circuit structures for reference at our laboratory. in the end, with the condition of our lab, we measure the permanent magnetic circuit completed, then the experimental and calculational simulation results have been discussed and analyzed
本文首先闡述了磁路計算及設計的基本要求，利用分析軸向永磁體磁路理論的方法，推導出了求解徑向磁化磁路的理論方程，應用有限差分法，編制了計算程序，對磁路的磁場進行了模擬；然後利用比較成熟的計算磁路磁場軟體femm作深入研究，考慮了影響磁路磁場的多種因素，得出了大量數據和曲線，給出了幾組比較合理的磁路結構，可供實驗的參考；最後，結合本實驗室條件，對現有永磁體磁路進行了冷測，將測試結果和計算模擬結果作了比較，並進行了討論和分析。 -
Furthermore, it discusses how to figure out these models mentioned above. with reference to the design of various automobiles, it primary defines the method to get key parameters in platform lorry general design, and creates mathematical model. it provides more reference to choose axis, driving axle, number of arrest axles, type of tire, pump, motor, lift hydrocylinder, maximum payload and sole weight reasonably
在參考各類汽車設計思想的基礎上，根據理論推導和經驗公式的計算，初步確定了平板車總體設計階段的主要技術參數的求解方法，建立了數學模型，為合理地選擇軸、驅動橋、制動橋個數，輪胎型號、泵、馬達、舉升油缸、平板車的最大載重量和自重的選擇等提供了依據。 -
In the proposed technique the bemf waveform of bldcm need to be measured in advance at first, through computer simulation and frame transformation, the optimum q - axis current command is achieved. in order to minimize the torque ripple, the d and 0 - axis current command should be zero. furthermore, through reference frame transformation from dqo - axis to abc - axis, we can get the optimum current command in static abc reference frame
在這種控制方法中首先測量出電機的實際反電動勢波形，然後通過計算機擬合和坐標變換，求得產生恆定電磁轉矩所需的q軸電流，令i _ d ~ * = i _ 0 ~ * = 0 ，通過坐標變換，得到三相靜止坐標系a - b - c下的參考電流i _ a ~ * ， i _ b ~ * ， i _ c ~ * ，利用電流滯環控制來產生pwm信號，由於這種控制方法中電流不會突變，從而可以較好的抑制轉矩脈動。 -
The high speed drilling shaft and pin cylinder system work at the same reference axis to ensure high work precision and convent operation
高速精密鉆孔主軸和釘銷氣缸系同基準軸線上工作，能保證工作精度高，操作方便。 -
If the reference element has a phase of zero, compute the phase applied to element five when the beam is scanned 40o above the boresight axis
如果參考單元的相位是零，計算第五單元當掃描視軸線以上40度的相位。 -
Three axis optical tracking test table is a kind of powerful instrument used to reproduce the flying posture of flying weapons in laboratory. the test table, together with equipment producing target, simulates the attacked target and flying missile, which can really simulate the various flying postures in space and dynamic characteristics. thus, the performance of sensors, control system and actuator and so on can be tested and evaluated, which provides various reference bases for developing, improving and redesigning flying weapons
三軸光學跟蹤試驗轉臺是一種在實驗室條件下復現飛行器或導彈在空中飛行姿態半實物模擬的有力工具，它和目標發生裝置組合在一起模擬導彈跟蹤目標的過程，可以真實地模擬出導彈等飛行器在空間的各種姿態和動力學特性，從而對其傳感器件、控制系統和執行機構等硬體設備的性能加以測試和評價，為飛行器的研製、改進和再設計提供各種參考依據。 -
The idea behind the experiment is simple : put a spinning gyroscope into orbit around the earth, with the spin axis pointed toward some distant star as a fixed reference point
實驗背後的原理十分簡單：將轉動的回轉儀放在環繞地球的軌道，轉軸指向遠處星體，作為固定基準點。 -
According to the time - stress equivalence principle, the creep compliance vs. time curves at five different stress levels are determined and shifted along logarithmic time axis to get a master compliance curve at a given reference stress level
運用時間應力等效原理，可以由較高應力水平下較短時間的試驗數據，通過沿時間軸的平移得到較低應力水平下材料的長期性能。 -
The complex amplitude of cylindrical wave fields in the reference plan vertical to the optical axis
柱面光波場在垂直光軸方向的參考面上的復振幅表示 -
Reference axis and angle
參數軸和角度 -
The method to transfer that geometrical information from the design reference frame to the principal axis ones is realized based on the trans - core line
以穿軸線為基準，實現了鋪絲幾何信息從設計坐標系向主軸坐標系的變換。
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