跟蹤精確度 的英文怎麼說

中文拼音 [gēnzōngjīngquèdù]
跟蹤精確度 英文
tracking precision
  • 跟 : Ⅰ名詞（腳的後部或鞋襪 的後部） heel Ⅱ動詞1 （在後面緊接著行動） follow 2 （指嫁給某人） be marrie...
  • 蹤 : 名詞（腳印; 蹤跡） footprint; track; trace; trail
  • 精 : Ⅰ形容詞1 （經過提煉或挑選的） refined; picked; choice 2 （完美;最好） perfect; excellent 3 （細）...
  • 確 : 形容詞1. （符合事實; 真實） true; reliable; authentic 2. （堅固; 堅定） firm
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 跟蹤 : follow the tracks of; tail after; following; follow up tracing; track; tracking; trail; lock on; ...
  • 精確度 : accuracy degree
  • 精確 : accurate; exact; precise
  1. Pll has the excellent narrow - band - tracking - filtering characteristic. in this scheme, we combine the merits of dds and pll

    該方案是將dds的高解析度、高精確度、頻率變化易於控制的優點與pll良好的窄帶跟蹤性能相結合。
  2. The merits of dds such as super fine frequency resdutlon 、 high frequency accuracy 、 easy programmed can be in combination with the excellent character of narrow - band tracing filter merits of pll

    它可以將dds的超高頻率解析度、高頻率精確度、容易實現程式控制等優點與鎖相環良好的窄帶跟蹤濾波特性相結合。
  3. By making full use of favourable narrow - band tracing filter character of pll and by combining the merits of dds such as super fine frequency resolution 、 high frequency accuracy 、 very fast frequency hoping with it, the pll / pll + dds frequency synthesizer presents wide band high quality source and super small frequency hoping step. while the electronically tuned filter abates the image interference and notably improves the selectivity. the theorem of frequency synthesizer and center - frequency - fixed filter is simply but adequately introduced first in this paper

    課題中所採用的pll或dds pll鎖相頻率合成方法充分發揮鎖相環良好的窄帶跟蹤濾波特性，並結合dds的高頻率解析度、高頻率精確度和高速頻率捷變等優點，分別實現了系統所要求的高質量寬帶本振源和小步長頻率捷變；採用電調諧選頻技術，則大大改善了接收機的選擇性和抗干擾能力。
  4. Dsps is used to accurately detect the moving area of multi - moving objects and information of their geometrical position in the system, at the same time, it pick up the parameters of geometrical feature, gray feature and planar velocity of each area, at last, we integrate the techniques of multi - moving objects detection and construct a self - adapted system to track multi - moving objects. the camera is controlled to keep the object in its field of view. therefore we achieve a real time system to track the multi - moving objects in the complex scenes

    本系統利用dsps精確檢測出多運動目標的運動區域及其幾何位置信息，並對各個運動區域進行幾何特徵參數、灰度特徵參數和運動速度參數的提取，最後根據這些特徵參數值結合多目標運動狀態檢測技術構建了多運動目標自適應跟蹤系統，並根據已經計算出的運動目標的速度矢量，通過雲臺裝置控制攝像頭的轉動，使得特定運動目標始終位於攝像機的視野中，從而完成對復雜背景中多個運動目標中特定目標的實時跟蹤。
  5. By the experiment, the precision of the system control and inspection is textually researched and analyzed. the result shows that the control way and technique makes lie system to stably track, exactly orientate, effectively give an alarm and flexibly adjust

    通過試驗對系統控制、檢測精度進行了考證與分析，結果表明本文研究的控制策略與技術使系統達到了穩定跟蹤、準確定位、靈捷報警、靈活調節的目的。
  6. Fixed camera fastening its interior is loaded with an electric motor, on installs the good camera after the level to be possible to adjust the angle which the camera deals with, after achieved the best surveillance effect may accept the automatic control regulator by the electric motor the signal precisely to move the localization in under the control signal function, the camera already may automatically carry on the horizontal scanning to monitor the region, also may in under the monitoring center attendant s operation the moving surveillance object input voltage : ac 24v 50 60hz, 110v 60hz, 220v 50 60hz external dimensions : 119mm 115mm is high the weight : 0. 9kg material : abs high strength casts takes shape the degrees rotation : level biggest : 350, vertical 90 may adjust the velocity of whirl : 5 second 4 seconds revolve the spacing : exterior spacing card tunable load : 7kg function input plug : 1

    Kl - 306室內水平雲臺是安裝，固定攝像機的支撐設備.它內部裝有一電動機，在水平雲臺上安裝好攝像機后可調整攝像機俯仰的角度，達到最好的監視效果后可由電動機接受來自控制器的信號精確地運行定位.在控制信號的作用下，雲臺攝像機既可自動進行水平掃描監視區域，也可在監控中心值班人員的操縱下跟蹤監視對象
  7. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討，在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型，推導出了一個通用的移動機器人堆積方程，在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解；使用muir和newman的運動學建模方法，推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法；在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析：推導了一種理論精度較高的航位推算演算法，並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬；最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路，較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題；本論文研究成果已在本實驗室所開發的樣機上得到實現，經過應用與考核證明其中的分析與設計是切實可行的。
  8. In this paper, a new control strategy based on the adaptive deadbeat voltage space vector is presented. this control scheme has a lower sample frequency and a smaller difference between switch frequency and sample frequency. it has many advantages, such as producing zero vectors organically, tracing exactly, non - shaking, etc. and its dynamic response is better

    對于電能質量調節器來講， pwm跟隨指令參考信號的控制性能在很大程度上影響著裝置的補償效果，本文選擇無差拍電壓空間矢量控制為系統控制策略，這種控制方法具有采樣頻率低，開關頻率與采樣頻率的差距小，能有機地產主零矢量、跟蹤精確以及無抖振等優點，動態響應快。
  9. The mathematical formula about the dynamic object standard device used for measurement tracking precision in the factory is thorough researched in this paper, too. the entirety example calculate method used for define the parameter of the complex maths model about the dyamic object standard device is described

    本論文還對跟蹤精度室內檢測裝置- - - -動靶標標準裝置的數學模型進行了較深入的研究，並將窮舉法用於確定具有復雜數學模型的動靶標標準裝置基本參數。
  10. The system uses the permanent magnet synchronous machine as the driver motor based on the idea of polygonal flux linkage locus and the permanent magnet brush - less motor is as the momentum balance motor by means of speed and current loop in order to track driver motor precisely and rapidly. the harmonious control of driver motor and balance motor is realized by making full use of the dsp hardware resource and complicated programmable logic device. the software design is composed of c and assembly language to realize motor control arithmetic of polygonal flux linkage locus

    衛星天線伺服控制系統以正弦波永磁同步電機作為驅動電機，採用多邊形磁鏈軌跡法（電壓空間矢量法）的控制策略；動量平衡電機採用永磁無刷直流電機，通過電流環、速度環達到快速、精確跟蹤驅動電機的目的，確保了衛星姿態恆定；設計方案中充分利用了dsp硬體資源和復雜邏輯陣列實現了驅動電機和平衡電機的協調控制，並通過c語言和匯編語言的混合編程實現了電機的多邊形磁鏈軌跡控制演算法。
  11. As far as the system observation for accuracy evaluation of carrier rocket is concerned, there may exist different types of observed data and priors. heterogeneous information means that the different information describing the different characteristics of the same object. since all of the information is relevant to the same object, the fusion is possible. it is a key problem that how to fuse the heterogeneous information to obtain the better evaluation result. therefore, the different heterogeneous information and data is thoroughly studied, moreover, the mathematical description for information fusion of different parameter priors and data is constructed in this paper. based on their relationship between different parameters, indirect prior and observation data is transformed into prior in impact point observation space, which is fused with original prior by weight determined by maximum entropy rule to obtain the mixed posterior distribution. therefore, the test results can be given by combining posterior distribution and impact error observed data. then its application on evaluating guidance systematic error is elaborated as it applies trajectory tracking data, test value of coefficients of guidance instrumentation systematic error, impact point observation data and prior. especially, the advantage of this method lies in its application in case that guidance instrumentation systematic error may not be computed precisely. finally a detailed example on evaluation of carrier rocket is given to verify the theory

    為充分利用運載火箭觀測中的不同觀測空間和過程的信息來進行精度評估，針對該背景建立了異質先驗融合的數學描述.研究了飛行試驗中不同觀測空間和過程的異質先驗信息和數據，基於不同觀測過程的解析關系，將間接過程的先驗和觀測數據算出的后驗分佈轉換成落點觀測空間上的先驗，與原落點的先驗進行了最大熵加權融合，得到混合后驗分佈，從而結合落點觀測數據給出評定結果.在無法解算出精確的制導工具誤差系數的情況下，這種方法充分利用了彈道跟蹤數據、工具誤差系數的地面測試先驗值、落點先驗及落點數據，穩健性更好，準確性更高
  12. It can be used in any complex environment, can locate all paths from transmitter to receiver which avoid redundant calculation, and it is a standard 3 - d forecast model ; in addition, it is a point to point ray tracing method based on specular theory which do n ' t carry out the receive test ; furthermore the model adopt the reverse arithmetic which exert the tree concept in data frame and establish a virtual fountain tree permanently, the proagmme can back - search the virtual fountain tree when it is running. these operation increase the calculate speed and it result in the higher receive efficiency and precision. the thesis design a programme to compare the prediction results based on ray tracing method of virtual fountain tree between the measurement results and prediction results based on the other transmittion models. the comparsion result indicate the new model is a better model

    它可應用於任何復雜的傳播環境中，能找到發射機到接收機之間的所有電波傳播路徑而無須冗餘的計算，是一種準三維的預測模型；另外，從本質上講，它仍然是一種基於鏡像理論的點對點的射線跟蹤法，所以它無須進行接收測試；而且由於採用了反向演算法，運用數據結構中多叉樹的概念，先確定需要計算的場點位置，找出所有能從源點到達場點的射線，並且可一次性建立一個虛擬源樹，以後每次的計算只要通過對該樹進行後序遍歷即可，大大提高了運算速度，因而有較高的接收效率與精度。本文對該模型進行了相應的模擬，並將其預測結果與實測結果以及基於cost231經驗性模型和基於強力射線跟蹤確定性模型的預測結果進行了比較，結果表明了該模型的優越性。
  13. Accuracy of the measurement system is verified by standard signal sources. frequency tracking error does not reach 50hz. the measurement system has merits of visual display and high accuracy, which is an ideal measurement system for dual - path saw mass sensor

    應用標準信號源驗證了測量系統的精確性，頻率跟蹤特性誤差在50hz以內。該測量系統顯示直觀，精度高，是雙聲路聲表面波質量傳感器理想的測量系統。
  14. The paper, for the harmonics detection method used in power system, presents an sampling method based on frequency multiplication phase - locked. through phase - locked loop to track the power wave, which not only reduces the affect of spectrum leakage to the harmonics analysis, but also realizes quick. accurate and, real - time measurement

    本論文主要針對電力系統中採用的諧波測量方法而提出的一種基於鎖相倍頻採集方法，通過鎖相環對電力波形進行實時跟蹤，既解決了頻譜泄漏對諧波測量精度的影響，又實現了快速的，準確的，實時性的測量。
  15. Using the eye - gaze distinguishing and tracking method based on the image processing technique, the position relationship between pupil center and glint which produced by the corneal reflection and the near - infrared light was analyzed, the fixation point of the eye - gaze on display screen was deduced, and the mouse accuracy by eye - controlled in the screen may achieve to 40 pixels

    摘要利用基於圖像處理技術的視線方向識別、跟蹤方法，通過近紅外光線在眼睛角膜反射產生的光斑和瞳孔中心的位置關系來確定視線方向，推導出人眼在計算機屏幕上的注視點，進而實現人眼對鼠標的定位與操作，其在顯示屏上定位精度可達到40 40像素。
  16. By using the operation circuit, the drive voltage of f - p in feedback can automatic trace the reflected fbg wavelength. not only had an extraordinary wide demodulation range of frequency achieved, but also a problem solved that when the sensing probe is changed, the sensor has the ability to automatic adjust the drive voltage of f - p to keep up with the dramatic change of the reflected fbg wavelength

    本文中創新性地提出了「自動跟蹤」的概念，利用光電系統中的運算電路，不僅能夠自動跟蹤調整法布里腔的驅動電壓、在保證精確度的同時有效地提高該傳感系統的解調頻率范圍，還有效地解決了在測量范圍內有時需要更換傳感探頭的重新調諧問題。
  17. According to the actual situation and performance requirements, how to impair the influence of the disturb torque and the uncertainty of the system object model and how to improve stabilization and tracking accuracy are the principal difficulties in this paper. to solve these problems, a method by using mutative - plus and high - order compensation is brought forward and design by adopting h mixed sensitivity method in the velocity loop, then the weighting function selection is discussed, and the concrete selection principles are given in details

    根據本系統的實際工作情況和性能指標要求，通過分析指出，如何克服機（艦）載條件下干擾力矩的影響及系統對象模型的不確定性是本系統中提高穩定精度和跟蹤精度要重點解決的問題，針對這一問題，提出了在速率穩定環採用變增益的串聯高階校正設計控制器和利用h _混合靈敏度方法進行控制器設計的方法，詳細討論了加權函數選擇的問題。
  18. The welding position can be detected accurately through processing the image of arc area collected by the vision sensor ccd ( charge coupled device ), by the system of image collection and computer - ware, we can recognize the position of the welding line exactly, count out the warp between moving track of robot and the welding line. so we can control the robot ' s act real - timely, the seam tracking accuracy is enhanced efficiently

    重點論述焊縫圖像分割和邊緣提取的理論方法，焊縫圖像由面陣ccd攝像系統攝取，通過圖像採集系統和計算機軟體，對檢測到的弧焊區圖像進行處理來準確地識別焊縫位置，計算機器人的運動軌跡和實際焊縫之間的偏差，據此控制機器人運動進行實時跟蹤，從而有效地提高焊縫跟蹤精度。
  19. The problem to improving the rate of convergence and the accuracy of tracking of ilc for deterministic linear systems is considered, in the meanwhile, the effects of the plant characteristics, various types of disturbances, errors in initial conditions and the " slowly " varying desired trajectories on the convergence and performance of ilc for uncertain linear and nonlinear systems are also investigated

    針對確定的線性系統，主要研究能夠提高演算法的收斂速度和跟蹤精度的迭代學習控制技術；針對不確定的線性和非線性系統，主要考慮系統的特性、各種干擾、初始狀態偏移和不確定的未建模動態以及緩慢變化的期望軌跡對迭代學習控制過程收斂性和跟蹤性能的影響。
  20. The picture process system of this paper uses digital pattern process technology, has realized the automatic recognition of the machine, so that the degree of accuracy and speed have all been improved greatly. the pictures used in this paper are gathered by ccd system of dynamic testing system of tracking precision of weaponry in real time under the natural light

    本文的圖像處理系統，採用數字圖像處理技術，實現了機器的自動判讀，從而準確度和速度都大大提高了。本文實驗所用的圖像，是由武器裝備動態跟蹤精度測試系統的ccd系統在自然光下實時採集的，文中的演算法由vc語言在windows2000平臺下編程實現。
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