點位精度 的英文怎麼說
中文拼音 [diǎnwèijīngdù]
點位精度
英文
positional accuracy- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 位 : 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...
- 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)...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 精度 : precision; accuracy; degree of accuracy; precision accuracy; trueness
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The intelligent mine will be the most important weapon system to defend arming helicopter hedgehopping in future war. passive acoustic detection technology is the key technology. with the researching of the national defence pre - researching project which is the research of acoustics compound fuse of anti - helicopter intelligent mine, this paper presents two type of acoustic localization algorithm, emphasizes the discussion of algorithm and presicion of space acoustic localization with sensors at different height in detail and compares them
智能雷彈是防禦超低空飛行的武裝直升機的重要武器系統,而被動聲探測技術是其關鍵技術,本文結合「十?五」國防預研項目「反直升機智能雷彈聲復合引信技術」的研究,對兩種空間目標聲定位演算法進行了深入分析,重點討論了空間高低陣定位演算法,分析了定位精度。Several mode of the subdividing drive are integrated in one system. so the control become multiplex. the displacement can be divided to whole step part and microstep part. microstep part is used to satisfy the precision of position, while whole step part is used to satisfy the speed of position
實現多重細分和變細分調速,提高了細分驅動的靈活性和可選擇性;根據整步位移無控制誤差,將點位行程拆分為整步位移部分和滿足定位精度的微步距位移部分,分別以不同的細分數運行同時滿足點位控制的速度與精度要求。The device turns round at the range of 360, and locomotive block moves in linear guide in every unit zone. so optical fiber can arrive everywhere in focal plane. experiment result elucidation : the standard deviation of repeat error and positioning error less than 40 microns, the positioning precision of this system can reach demand
用7根單元機構模擬4000根單元的相互關系,實驗結果表明:機構的重復性誤差和目標點定位誤差的均方根值均在定位精度要求范圍之內,能夠滿足望遠鏡快速、準確的定位要求。It can save the information near lips, which may be deleted by the method based on two points. ( 2 ) based on the analysis of current methods, a new multi - pose facial feature location algorithm is developed, which is based on the analysis of multi - feature and integral projection, the combination of an iterative search with a confidence function and template matching. the algorithm not only improves the location accuracy, but also speeds up a great deal. ( 3 ) based on the analysis of the advantages and disadvantages of current feature extraction methods, an adaptive facial feature selection criterion is developed, which is based on facial local feature protrusion consisting of several aspects, such as face image resolution and image quality
其後研究了人臉特徵提取,一、討論了適合於多姿態人臉識別的基於三點仿射變換的人臉圖像歸一化方法,以克服基於兩點仿射變換會引起較大圖像信息損失的缺陷;二、在分析現有器官定位演算法的基礎上,提出了新多姿態人臉器官特徵定位技術,將多特徵和直方圖分析、基於置信度函數的迭代搜索和模板匹配相結合,既提高了器官定位精度,又提高了定位速度。Nowadays, the machining center carries through the precision inspection only following the fixed coordinates " axes, which can not completely reflects the real error of the spacial position of the practical machining outside the axes and leads to having no the directive relation between the inspected precision and the practical machining precision. so, this paper introduces that the error factors of influencing workpiece ' s outline on machining and carries out the solid inspection of every spot ' s error inside the workaround on the horizontal machining center
本文針對當前加工中心僅沿固定的坐標軸線進行精度(含幾何精度和定位精度)檢驗,並不完全反映軸線外實際加工的空間位置真實誤差,導致檢出精度與機床實際加工精度無直接對應關系的現狀,論述了加工時影響工件型面輪廓精度之加工中心的誤差因素,對加工中心實施其工作區內各點誤差的立體檢測。Conventional single - observer passive locating methods are low in speed and precision. moreover, corresponding locating precision is sensitive to direction measurement errors, which puts forward high demands on measurement equipments impersonally
傳統的單站無源定位方法總的來說具有定位時間較長、定位精度較低的特點,並且定位精度對方向測量誤差非常敏感,在客觀上對測量設備提出了較高的要求。It has designed a special method for finding circular center image coordinates and a subpixel digital image process method, so that the precision of simulation for searching image point of circular center can reach to 0. 01 pixel in grade of amount. it has designed amending method for errors, produced by improper installation position of the testing device
在圖像處理方面,本文設計了標志特徵圓圓心位置的特殊方法和亞像素數字圖像處理方法,使得特徵圓圓心像點的模擬定位精度可達0 . 01個像素的數量級;提出了一整套圍繞特徵直徑像的特性來尋找其端點坐標的方法。By the simulation, it is indicated that the curve motion model based on the particle can describe the curve motion of the target. and it is shown that the performance of the ukf algorithm is more precise than the tradition nonlinear filtering technique. by the contrast between the simulation results and the positioning result of commercial data process software,
模擬結果表明,基於質點的曲線運動模型可較準確地描述進行曲線運動的載體; ukf演算法作為衛星導航系統的非線性濾波技術,較之傳統的線性濾波技術可獲得較高的定位精度;其定位結果與商業數據處理軟體相比,可滿足定位精度要求,該演算法可以直接應用於衛星導航系統的軟體實現。Aiming at the enhanced positioning accuracy of wireless sensor network node location, an improved positioning algorithm which uses a differential error correction scheme that is designed to reduce cumulative distance error and node location error accumulated over the multiple hops is proposed in this paper, together with its basic principle and realization issues
摘要本文針對無線傳感器網路節點的定位精度問題,提出了一種採用誤差修正的方法來降低累積距離誤差和定位誤差的傳感器網路節點定位改進演算法,給出了該演算法的基本原理與實現方法。Based on the relationship between the change of the cornea thickness and optical path length, the ablation profile for the correction of wavefront aberration is presented and simulated on computer. the process of scanning - spot excimer laser is studied and simulated on computer. models for calculation of residual wavefront aberration on situations of lateral decentration and torsional misalignment are brought up
使用改變光程的方法建立起波前像差與角膜切削量之間的關系,並對像差矯正模型進行計算模擬;深入研究了小光斑準分子激光飛點掃描模型,對飛點掃描過程進行計算模擬;提出了中心偏移和旋轉情況下剩餘像差計算模型,為定量研究切削中心定位精度對像差矯正的影響提供了依據。Heighten precision and veracity of gps position with numerical process and optimization is a critical emphasis to the research
對gps觀測值進行統計處理與數值優化以提高gps定位精度與準確度成為本課題研究的一大重點。We write the program which used for fighting errors in absolute positioning. we also write the program which used for linear combinating in absolute positioning. from analyzing for the measurement of outer, we can conclude that we can use m estimation to estimate parameter in gps absolute positioning. lt has application value. using it, we can obstain the stable positioning result and remove the outer. in this paper, we calculate the data which from the baseline space of the gps calibration space. we also draw some conclusion using broadcast ephemeredes and smoothing pseudoranges. the positionging precision is in 1 - 2 meter
編制了gps絕對定位中抗差估計程序和應用線性組合進行單點定位的程序。通過對粗差量級的分析,得出在gps觀測量存在粗差時, m估計是有其應用價值的,它使定位結果較為穩定,減弱和剔除了粗差的影響。應用線性組合程序對gps綜合檢定場數據基線網點進行計算,得出用廣播星歷和平滑后的偽距可以給出較好的結果,點位精度在1 ? 2米。Effects of jpeg compression on the accuracy of photogrammetric
壓縮對攝影測量點定位精度的影響Then, we use a simulation method to create a large number of radar measurement values, produce a quantity of random numbers using computer software and add them to the radar measurement values, we use kallman filtering method to calculate the location, velocity and trajectory coefficient of the target at the moment of the final tracking point, and use the numerical solving method of differential equation to calculate the trajectory, the location of the hostile artillery or the impact point of its own projectiles, finally, we calculate statistically the random error of the tracking system and analyze the location accuracy
然後採用模擬模擬方法獲得大量的雷達測量值,由計算機軟體產生大量的隨機數,加入雷達測量值中,用卡爾曼濾波法計算出最後跟蹤點時刻的目標位置、速度和彈道系數,再用微分方程數值解法計算出整個彈道軌跡、計算出敵方炮位的位置或己方炮彈的落點,最後統計出跟蹤系統的隨機誤差,分析定位精度。The paper introduces the optimal design of the second grade level net in fuoshan, expounds the evaluating method on accuracy for different net pattern based on the principle of indirect balancing and the computing function of the excel matrix, and selects a pattern which meets the needs of national norm for net form, the density of point, accuracy and reliability
摘要本文介紹了佛山市二等水準網項目的優化設計,重點闡述了根據間接平差原理對不同的布網方案,利用excel的矩陣計算功能實現精度評估的方法,評選出一套從網形、點位密度、精度、可靠性等方面都符合國家規范和佛山特點的方案,以供參考。In the chapter of character segmentation, the traditional method of finding minimum vertical projections combined with plate license format is used. the use of space mark matching method proposed in this dissertation to ensure the first segmentation position obtains a very high rate of success
在字元分割方面,提出了間隔符區域匹配的方法獲得分割起始位置、並以二值圖像垂直投影尋找極小點結合車牌制式先驗知識的演算法,以消除車牌左右兩端定位精度對字元分割的影響。Utilizing the low - pass filter combined with the gfo, the orientation diagram could be calculated accurately. 3. summarize the common sub - pixel algorithm and inject the robust estimation algorithm into sub - pixel locating
3 .對常用的亞像素定位演算法進行了分析,為了克服偏離點對亞像素定位精度的影響,在擬合演算法中引入了穩健估計。The relationship of the length and location precision of the topography conforms wire
地形附合導線長度與點位精度的關系Under the premise of ensuring its accuracy of point positions, not only is vector data obtained but its compressing is also realized with a quicker speed, more accuracy and smaller storage device
該方法在確保點位精度前提下,可獲得以弧段為單位的矢量數據,同時依據線狀要素的形態取樣,從而達到壓縮數據目的,此演算法處理速度快,精度高、存儲量小。Results showed that, attribute data obtained by this way avoided deficiency of polygon overlap way, as a result, the logistical consistency between map data and attribute data reached over 90 % on average. database pivot precision was 0. 18mm, data quantity during manipulation was decreased greatly, data treatment was more convenient, computation velocity was boosted greatly. workload of map and table pretreatment and edition was mitigated on large scale, spatial data precision was increase
研究表明:用該方法獲得的屬性數據,避免了多邊形疊加方法的不足之處,能使圖形數據和屬性數據邏輯一致性平均達到90以上,數據庫點位精度達到0 . 18mm ,且操作中圖層數據量大大減小,數據處理更為方便,運算速度大為提高;減輕了圖表預處理和編輯的工作量,使空間數據精度提高。分享友人