vector position 中文意思是什麼

vector position 解釋
矢量位置
  • vector : n 1 【數學】向量，矢量，動徑。2 【航空】飛機航線；航向指示。3 【天文學】幅，矢徑。4 【生物學】帶...
  • position : n 1 位置；方位；地點。2 處境，情況；狀態，形勢，局面。3 姿態，姿勢。4 地位，身份；職位；職務。5 ...
  1. Abstract : in this paper ， a ray - optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon. some basic equations of dual beam scan are derived ， such as ， the position vector for the incident point ， the scalar expression for reflected ray ， scan pattern on observation plane ect. the far - field asymmetry of the scanning field has been discussed

    文摘:應用幾何光學理論研究了多光束轉鏡掃描場的非對稱性，導出多光束掃描入射點位置矢量、反射線標量表達式、觀察面上的掃描軌跡方程，並研究了掃描遠場的非對稱性。
  2. According to the principle of odontoprisis ' force, the radius vector value of cam on the open - closed armature position was calculated by the means of one dimension searching method at the open - closed odontoprisis cam outline

    該方法根據咬紙牙產生咬紙力的原因，計算實際開閉牙位置在凸輪上對應的向徑值，利用計算機一維搜索方法得到開閉牙的實際位置。
  3. 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時履帶式車輛在斜坡上轉向時，瞬時轉向中心偏移量與車輛重心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。
  4. On the part of the design of nine - component thrust vector stand, an automatic hydraulic pressure original position calibration system, a scheme of original position calibration, and the great rigidity universal flexible combinatorial underprop are designed. by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ”, the inherent frequency of test stand is improved, and the problem of test stand libration is solved. then, the resolving method of the disturbance between underprops of the moveable frame is proposed, and the disturbance revise equation is deduced

    在推力矢量試車臺設計方面，設計了自動液壓原位校準系統、原位校準方案以及大剛度萬向柔性組合支撐;採用「萬向柔性組合支撐+軟體數字濾波」的方案，提高了試車臺動架的固有頻率，解決了試車臺動架的振動問題;提出了動架約束互擾問題的解決方法，推導了互擾修正方程;研究了九分力推力矢量測量誤差分析方法，並計算了推力矢量測量精度。
  5. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。
  6. Promax tension ind corp has long sold and manufactured a variety of custo mized air shafts / air chucks / safety chucks, edge position control systems / epc, powder / air / disk brakes and clutches, ac / dc motor control systems, re - winding / un - winding systems, tension control systems, web inspection systems, automatic color register systems, servo - vector control systems, mmi interface and supervisory control and data acquisition ( scada ) systems and others such as slitting, winding, laminating, extruding, coating, and gravure printing machines, even other auxiliary devices etc. for webs such as paper, films, rubber, textiles and foils

    本公司長久以來已經從事製造及銷售有關紙類，薄膜，膠片，紡織品，橡膠等薄片卷材的捲筒物控制糸統周邊設備，諸如氣漲軸，氣漲/安全夾頭，邊緣追蹤器裝置，磁粉/氣壓/碟式煞車器及離合器，交直流轉矩馬達控制系統，收放料車動系統，張力控制裝置，印刷機靜態觀測器，自動套色控制裝置，伺服向量控制系統，人機介面及監控系統及其他有關印刷，貼合，分條，復? ，塗布，上膠，押出，淋膜等產業機械
  7. The research on autonomous navigation and orbital keeping technology of geosynchronous satellites : selecting position vector in the inertia space and longitude, latitude, radial errors in the hill equation as state variables, the precision of orbit determination caused by track dynamic model error, sampling period, and sensor measurement and install error is analyzed

    同步衛星自主導航與軌道保持技術研究：分別選取慣性空間位置矢量和採用hill方程表示的經、緯、向徑誤差作為狀態量，分析軌道動力學模型誤差、采樣周期以及敏感器測量、安裝等誤差對定軌精度的影響。
  8. The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins

    將帶有hwtx -基因的ppic9k經blgii線性化后，轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌，進一步用遺傳毒素g418篩選多拷貝的轉化菌株，命名為gh1 ；將gh1甲醇酵母菌用0 . 5的甲醇誘導表達，發酵上清經90飽和度的（ nh _ 4 ） _ 2so _ 4沉澱， yw - 3 （ mwc03000 ）的超濾膜超濾，再經cm陽離子交換， c _ （ 18 ）反相hplc純化得到分子量為4kd左右的組分，其中4289 . 05的組分經質譜鑒定，氨基酸組成分析和序列測定為正確的表達產物，生物學活性表明其活性為天然毒素活性70 % ，表達量為80mg / l 。
  9. The kuroshio meander south of japan and the two lee - wave meanders in the kuroshio extension are well presented by the p - vector method. the path of the kuroshio meander, the position of the meanders in the kuroshio extension, the bifurcation of the kuroshio extension and the width of the current display seasonal variation evidently

    日本以南黑潮彎曲路徑呈一「 v 」字型，黑潮延續體西段的大彎曲路徑呈現一「 m 」字型，即「兩峰一谷」的彎曲形態，兩峰分別位於144 e和150 e ，且彎曲程度和彎曲位置都呈現較明顯的季節變化。
  10. It have been reported that the 210 kb yeast artificial chromosome ( yac ) including the human a - lactalbumin gene could direct the transgene to express in a position - independent manner, therefore is an excellent expression vector to produce transgenic animal bioreactors

    根據報道含完整人-乳白蛋白基因的yac載體能指導外源基因的乳腺特異性高效表達，是生產動物乳腺生物反應器的理想表達載體。
  11. The main work completed in the paper is listed as following : 1. image function acquisition -, 2. read bmp files by dib format ; 3. drawing gray scale histogram ; 4. choose a optimum threshold and make gray image become binary image -, s. find image ' s contour points by making inner points become empty and apply template matching on the contour points ; 6. transform the object ' s beginning points ( pixel point ) to the ones in the image coordinate and the positions of in the corresponding three dimensions ; 7. compute the position vector and the normal vector of the object

    選擇一個最佳闋值，把灰度圖像進行二值化處理； 5用掏空內部點法，找到圖像的輪廓點，然後在輪廓點上進行模板匹配； 6把輸出的目標物開始點（像素點）轉化成圖像坐標系中的點和對應的三維空間的坐標位置； 7計算目標物的位置矢量和法向矢量，根據機器人抓取面的法向矢量，找到機器人要抓取的平面； 8
  12. By high frequency injection method and a kind of magnetic anisotropy of pmsm, the rotor saliency position can be calculated in the pmsm sensorless vector control system

    摘要通過注入特定的高頻電壓信號，利用電機的各向異性以確定轉子的凸極位置，在同步電機無傳感器矢量控制中，對包括零速度在內的所有速度下都能獲得精確的轉子位置信息。
  13. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發，對具有誘人應用前景的柱形垂直腔面發射結構（ vcsel ）的微腔半導體激光器（ mcsl ）進行了理論分析，建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型；對圓柱形結構情況進行了數值模擬，得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律；為使理論計算更接近實際，將外加金屬包殼視為非理想導體，或將金屬包殼與激光器結構隔開，分別對這兩種情況下的結果進行了討論。
  14. In this thesis, based on a digital signal processor tms320f240, a controller for pmsm is researched an designed. we analyzes the mathematics model of pmsm, researchs vector control of pmsm and space vector pwm, discusses the controller of position, speed and current, designs the mrfas position controller, pid speed controller and pid current controller, sets up pmsm ac servo control system, designs dsp controller, and develop the corresponding sofeware. at last, the designed controller is simulated under matlab / simulink, and the results are gived

    分析了水磁同步電機的數學模型，研究了永磁同步電機的矢量控制方法和空間矢量脈寬調制原理，討論了位置環、速度環和電流環的控制方法，設計了模型參考模糊自適應位置控制器、 pi速度器和pi電流控制器，組建了永磁同步電機交流伺服控制系統，設計dsp控制器，並開發了相應的軟體。最後在matlab simulink環境下對系統進行了動態模擬，並給出了模擬結果。
  15. Order numbers for vehicles to freight were got by particle position vector, single vehicle route was got by aco, and then evaluated and filtered particales according to optimal vehicle routes, circulated until terminate qualification

    由粒子群演算法的粒子位置向量得到每輛車所需運送的訂單號，用蟻群演算法優化單車路徑，根據優化的總路徑評價和篩選粒子，直到滿足終止條件。
  16. In the researches about hexagon track, smith triggers are used, so is flux self - control. as to round track, the method of voltage vector selection is taken. we can select the proper voltage vector by the position and magnitude of stator flux as well as the magnitude of torque

    在六邊形磁鏈的研究中，本文主要是使用了施密特觸發器，通過磁鏈自控制單元來實現的；而對于圓形磁鏈的直接轉矩而言，則是利用了電壓矢量查表的方法，通過實時判斷磁鏈的區間和幅值、以及轉矩的大小，繼而從表格中選擇合適的電壓矢量。
  17. A major problem in the production of transgenic animal mammary gland bioreactors is the low production rate of high - expressing transgenic animals due to the position effect to overcome that, including all regulatory elements in the constructs of expression vector seems to be the most reasonable way

    動物乳腺生物反應器生產中存在的主要問題之一，就是由於位置效應的影響而難以獲得高效表達的轉基因動物。為了克服這個問題，在轉基因表達載體中引入了多種諸如mars和insulator等的調控元件。
  18. The unique heat radiation of infrared image is generated from subcomponents. this paper analyses the natural feature of infrared image and the relationship between the shape and orientation with eigen vectors, gives the measure to classify infrared image based on object position to improve ability of compatibility in object recognition, moreover, applies the independent component for sub - region segmentation to construct new infrared image eigen vectors. the image features are processed by a support vector machine, and transform the binary svm to multi - object classifier

    文中在傳統紅外熱圖像特徵量的基礎之上，通過分析紅外熱圖像自身特性以及它的形成與其自身姿態的關系，提出了對目標物體紅外熱圖像基於目標姿態的子分類，來提高目標識別中對姿態的容忍度；同時根據紅外目標子部件對圖像影響的統計獨立性，使用獨立元的方法對目標紅外熱圖像進行了子區域分割，形成了新的紅外圖像特徵量。
  19. The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article, and the following technologies are studied and realized : communication between com ports with oop technology, compound navigation with gps and glonass. calculate velocity, pseudorange difference, smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90, as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap, vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp. arithmetic of creation dem data based on contour line data from 1 -. 25000 map data with gjb format. texture the surface of terrains with corrected aviation image

    本文全面介紹了gps 、 glonass 、北斗導航系統的組成、定位原理，研究並實現了面向對象的串口通信技術、 gps + glonass組合導航、測速及偽距差分、相位平滑偽距差分以及有關誤差的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐標系的坐標轉換、柵格地圖的顯示和管理、基於mapx的矢量地圖的顯示和管理、 1 : 25萬軍標數據和mapinfo的mif數據格式雙向轉換、基於軍標數據的dem生成演算法、基於opengl的三維地形構造、航空圖像紋理地形表面、三維坐標量算、虛擬現實模擬導航、三維地形的層次細化演算法以及數字圖像處理中的圖像增強、幾何變換、影像匹配等技術。
  20. Based the format of plt file made by the coreldraw graph software. pick - up vector position coordinate of the file, the imitate process is written in the soft, and edit the graph simply, such as move, rotate, zoom and portrait array. transforming plt file into numeral control file, and appointing the file path is c : / / l. nc

    基於coreldraw圖形軟體生成的plt文件格式，提取文件的矢量位置坐標，在軟體編程中加入模擬過程，並且能對列印圖形做簡單的編輯操作，例如平移、旋轉、縮放和縱向排列等，將plt文件轉換成數控文件，指定文件路徑為c ： / / 1 . nc 。
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