有效位誤差 的英文怎麼說

中文拼音 [yǒuxiàowèiwùchā]
有效位誤差 英文
significant error
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 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...
  • 誤 : Ⅰ名詞（錯誤） mistake; error Ⅱ動詞1 （弄錯） mistake; misunderstand 2 （耽誤） miss 3 （使受損害...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 有效 : effective; valid; efficacious
  • 誤差 : error
  1. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先，系統分析了影響黃河水位的水沙因素，及僅用水沙因素有效研究水位的可行性，並按變量對應思想採集它們的相應數據；其次，由於相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，並改進了統計學中多因子（三個以上）方差分析法；再次，將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合，實現了這一典型非線性關系的高精度擬合，各年汛期上下游相應洪水位過程的擬合誤差都較小；最後，明確黃河下游含沙量對水位的主要影響方式，即含沙量主要是與其它因素聯合對水位作用；另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。
  2. In this system, the movement of the step - electromotor is controlled by computer, and then the dial pointer is drove by the step - electromotor. at the same time, these images of the analog instrument are took by high precision ccd video, and then these images will be processed by the computer, using some image - processing algorithms such as image segmentations, threshold identification, image binarization, areas labeling, dial center - point identification, useful areas identification & abstracting, and areas thinning, etc. followed this, the dial pointer of the “ circle ” is able to be located. at last, the dial pointer position will be recognized by the computer

    本系統由計算機控制步進電動機的運動，進而驅動指針式儀表表針的運動，並且通過高精度ccd攝像機實時獲取表盤圖像數據，同時進行表盤圖像的相關處理，包括圖像分割，閾值確定，圖像二值化，區域標記演算法，圓心擬合，有效區域識別提取，區域細化等，最終快速識別出表盤指針所處位置;最後，根據國家指針式儀表類檢定規程所制定的演算法計算出該儀表的相關誤差，檢定指針式儀表的各種精度，通過這些數據判斷該儀表是否合格，列印該儀表的檢定結果報表。
  3. In general, a precise resistor is in series with one of the resistors in wheatstone bridge to compensate the zero offset, and the other one is in parallel with another arm of the wheatstone bridge to compensate thermal zero drift. based on this principle, in this paper, a compensation method based on virtual instrument technology has been put forward. actuated by current source, a good calculation method of compensation resistors and their position in the bridge is deduced

    本文基於串並聯電阻補償法的原理，提出了一種基於虛擬儀器的誤差補償方案，推導了在恆流源供電下可以精確的計算出補償電阻大小和補償位置的演算法，並且在虛擬儀器軟體平臺labview上完成了數據採集、處理、顯示等軟體的設計，經過實驗的驗證，對傳感器的零點溫度漂移補償取得較好的效果，而對靈敏度溫度漂移的工藝補償亦有一定的效果。
  4. The dissertation is mainly including four section : the first is the experiments done in the tank, which will supply the reliable information of imaging data ; the second is image edge detection by the use of the art of the zernkie moments, which is used to detect the liner and threaded edge of the object, the third is the underwater camera calibration technique, the forth is automatic positioning the location of the camera by used of the art of cross - ratio, the result of which is satisfied

    本文工作分為四個部分：第一部分是水槽實驗部分，它為后續的工作提供了可靠的圖像數據信息；第二部分是基於zom距的直線、曲線邊緣提取技術及相關的與處理技術；第三部分，水下攝像機標定技術研究，基於改進的tsai演算法，採用逐步分解的標定策略。並探討了一種相對簡單的、靈活的標定技術；第四部分是攝像機定位技術研究，採用具有平移不變性的交比進行攝像機定位，模擬試驗的最大誤差不超過2 ，效果還是令人滿意的。
  5. By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images ， an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept ， only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result ， sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col ： ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 ， an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri ： ace of object successfully he 。 叩 proach ， called rered ature mopmp consists of two pans at fst ， an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel ， called ae ， ea atures ， or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 ， some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt ， nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient ， especially n rendering those objects with a smaller depth rnge compared withtheir size ， such as relief surfaces of building

    與己有的三維變換方法相比較，該方法不但成功地填補了由於投影區域擴張而產生的第一類空洞，而且成功地填補了由於空間深度非連續物體相互遮擋而產生的第二類空洞，從而方便地實現了虛擬環境中的漫遊；基於物體表面深度的連續性，本文提出了一個位移預測方法? ?此方法可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的位移信息，從而大大提高了演算法的效率：與通常的正向映射演算法相比，此演算法克服了多幅參考圖象所帶來的計算量成倍增長等問題，而且誤差較小。 2 ）基於極線幾何的快速逆映射演算法。利用參考圖象的邊界信息與隱含的遮擋關系，以及極線幾何的性質，本文第三章提出了一個基於極線幾何的快速3 『一中國科學院軟體研究所博士學位論文基於圖象的快速繪制技術的研究逆映射演算法，從多幅參考圖象精確合成當前視點目標圖象。
  6. This dissertation focuses on the application of data fusion in two - phase flow regime identification. following is the main contribution of the dissertation. 1 ) based on quartile and first order differential, a new outlier detection algorithm is presented, experiments show that the method combining with low pass filter can remove gross error and unwanted frequency components

    本文的主要工作與創新點在於： 1 ）將分位數方法與一階差分法相結合，提出了一種基於一階差分的粗差剔除方法，該方法與低通濾波器的結合可以有效去除兩相流壓力波動信號中的粗大誤差以及信號頻帶以外的頻率成分。
  7. The results of simulation given in this paper indicate that the sins / dtu can effectively improve on the following navigation parameters : velocity, latitude and longitude, yawing and attitude angle, position of track - reckoning etc

    模擬結果表明，該組合導航系統可有效地減小速率、經度和緯度、航向角和姿態角及航跡推算下的位置等導航參數的累積誤差。
  8. The paper makes use of multi - scale wavelet transform to detect the arriving time of the pressure wave to the both ends of the pipeline. the method could detect the break point of the signal, and could decrease the error bringing by the existing of impulse yawp

    使用多尺度小波變換捕捉管道兩端負壓力波的到達時刻，有效地檢測出了信號的突變，並能夠較好地克服由於噪聲存在而給定位帶來的誤差。
  9. Abstract : starting from the definition of weight, the paper derives the relaton detween the change of the a priori unit weight weight mean error with the result of adjustment. lt is found that the change has influence only on the exploring effect of the posteriori unit weight mean error and gross error and the coordinated factor matrix, and no influence on all other adjustment results

    文摘:該文從權的定義出發，導出了先驗單位權中誤差的變化與平差成果的關系，發現其變化僅對驗后單位權中誤差、粗差探測效果和協因數陣有影響，對其它平差成果均無影響。
  10. The experiments for operating vehicles demonstrate that the degree of accuracy and reliability of integrated navigation and positioning system, compared with gps / dr navigation and positioning system, is enhanced, vehicular operation efficiency and security are far and away strengthened and the thoroughfare capacity is improved. as consequence, traffic congestion can be moderated with effect and the automation of transportation management and the intelligence of the vehicular drive will be realized

    汽車試驗表明:採用地圖匹配的方法來校正gps / dr的定位誤差，其定位精度及可靠性比gps / dr定位有所提高，車輛運行效率和安全性也大大改善，提高了通行能力，有效地緩解了交通擁擠狀況;從而為實現交通管理「自動化」以及車輛行駛「智能化」提供了技術支持。
  11. Thirdly, a modified extended chirp scaling ( ecs ) algorithm is presented, which solves the problem of producding fine focused images in the class of chirp scaling ( cs ) algorithm. lt can be used for uwb - sar imaging effectively. the phas e error produced by cs operation are analyzed. a windowed process in two dimension frequency domain before cs operation are proposed. it can improve the quality of image and widen the effectively swath and increase the peak to sidelobe ratio ( pslr )

    然後針對chirpscaling （ cs ）類演算法不能對參考點精確聚焦的問題，提出了一種改進的擴展cs （ ecs ）演算法，實現了對uwb - sar的高效成像；分析了cs操作產生的相位誤差，提出在cs操作之前在二維頻率域對信號加窗，除有效提高信號的峰值旁瓣比（ pslr ）外，還可以提高圖像質量，增加有效測繪帶寬度。
  12. For reducing dead - reckoning location error of doppler velocity log and compass, this thesis studies two methods, exponential flatness arithmetic and common flatness, gives the emulating results in the different tracks, proves that lawnmower is a efficient method of decreasing location error

    本文研究了減小推算輔助導航系統定位誤差的指數加權平滑法和一般平滑法，並結合計算機給出了在同一軌跡下，兩種定位方法的區別；並且還給出了不同軌跡下的定位結果，證明了走剪草機軌跡是一種有效的減小定位誤差的方法。
  13. Since a double has fewer significant digits than a decimal, this operation may produce round - off errors

    由於double的有效位比decimal少，因此此運算可能產生舍入誤差。
  14. Firstly, the principle of phase gradient autofocus and rank one phase estimate and its advanced are detailed. secondly, it proposes an algorithm of fast maximum contrast phase compensation after discussing its similar algorithm fast minimum entropy phase compensation

    討論了經典的相位梯度自聚焦演算法、秩一相位誤差演算法及其改進形式;在討論快速最小熵相位補償演算法的基礎上，提出了對比度最優相位調整演算法，實測數據處理表明了該演算法的有效性。
  15. ( 3 ) when locating continuously, speed location method in nlos environments ( 4 ) when locating continuously, single cell location method based on speed location in nlos environments. ( 5 ) when tracking, kalman tracking for mobile location in nlos situations based on displacement difference. each method was simulated, studied and compared in this dissertation. it was proved that these proposed arithmetic could mitigate nlos propagation errors effectively

    這種演算法具有對nlos誤差不敏感的特性（ 4 ）連續定位條件下，基於速度法的抗nlos單小區定位演算法（ 5 ）定位跟蹤條件下，基於位移差的卡爾曼濾波跟蹤演算法本文對每種演算法均進行了模擬研究和對比，驗證了它們在減輕nlos誤差上的可行性和有效性。
  16. Experiment results show that the algorithm is effective as well as settlement. some measures for improving the locating precision are presented also. a robot vision locating experiment is completed based on dynamic position - based look - and - move visual servo control structure and experiment results show that the robot vision system has high locating precision

    利用此實驗裝置採用手眼立體視覺定位方法實現了目標的三維視覺定位，實驗結果表明了該演算法的有效性，同時對實驗中發現的問題提出了一些解決措施；在此基礎上采川基丁位置的動態「 lookandmove 」視覺控制方法完成了motoman機器人的視覺定位實驗，從實驗結果可以看出整個系統的定位精度比較高，完全適用於一般的機器人視覺定位場合，並給出了進一步減小定位誤差的方法。
  17. Introduce the development method of an utility type irradiational measure board, and apply it to the work of radiotherapy irradiation, thereby get a ture diagraph data of body position error margin, effectively improve the accuracy of body position in the radiotherapy. it is an effective way to strenghthen the radiotherapy quality management and quality control

    介紹一種實用型標尺板的研製方法，並將其應用在放療射野照相工作中，從而得到了擺位誤差的真實測量數據，有效地提高了放療擺位中體位驗證的精度，是加強放療質量管理和質量控制的有效手段。
  18. Due to multipath effect, multiple access interference ( mai ), near - far effect, and mainly the non - li ne - of - sight ( nlos ) propagation, the errors in the estimated location parameters and position location occur

    在cdma蜂窩網的定位中，引起定位參數估計誤差與定位誤差的因素有非視距傳播效應、多徑傳播效應、多址干擾及遠近效應。
  19. Different amofocus algorithms were used to compensate the motion errors of airbome sar data, their merits and defects were represented according to the comparison and analysis of the imaging results

    Gradientautofocus ）對任意階相位誤差均能有效估計，不過每種方法都有各自的優缺點。
  20. Phase gradient auto - focus algorithm ( pga ) and rank one phase estimation auto - focus algorithm ( rope ) satisfying high - resolution air - borne sar image formation needs are analyzed. aimed at disadvantages of pga and rope algorithms, improved rank one phase estimation auto - focus algorithm ( irope ) is introduced. at last, combining fsa and irope algorithms, using air - borne sar actual flight data, the algorithms " feasibility and validity are validated

    第三，針對相位誤差對圖像質量的影響進行了定性分析，同時對多普勒參數估計的必要性及其幾種演算法進行了討論；接著系統研究了適合於高解析度機載sar成像要求的相位梯度自聚焦演算法（ pga ）和秩一相位估計自聚焦演算法（ rope ） ，並針對pga和rope演算法的不足之處，介紹了改進的秩一相位估計自聚焦演算法（ irope ） ；最後，結合fsa成像演算法和irope自聚焦演算法，以機載sar實際飛行數據為基礎，對演算法的可行性和有效性進行驗證。
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