測站誤差 的英文怎麼說

中文拼音 [cèzhànwùchā]
測站誤差 英文
station error
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 站 : Ⅰ動詞1 （站立） stand; be on one s feet 2 （停下來; 停留） stop; halt; pause Ⅱ名詞1 （停車點） st...
  • 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...
  • 誤差 : error
  1. The result has the reference significance for choosing geoelectric observation location and observation data error correction

    分析結果對地電觀測臺站選址、及其觀測數據誤差校正具有參考價值。
  2. A reasonable method to adjust observed coordinate value is put forward for total powerstation traverse in this paper. its validity and feasibility are proved by example

    本文依據誤差理論，針對全站儀導線提出了一種合理的對其坐標觀測值進行平差的方法，並用算例驗證了該方法的正確性與可行性。
  3. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀，在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響，並在此基礎上採用無節流方法測量流量，以風機調節性能曲線為依據，建立了基於徑向基函數（ rbf ）神經網路的風機流量全程監測模型；以實驗室4 - 73no . 8d離心風機為研究對象，探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律；最後用visualc + +語言開發了風機性能在線監測系統。
  4. 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。
  5. During the course of the research, the criterions of the interpolation effect are mean error ( me ), mean absolute error ( mae ), root mean squared interpolation error ( rmse ) and the difference of mean square deviation between the measured and the estimated surface air temperature. the conclusions are as follows : ( 1 ) by contrasting the gaussian weighted model associated with the error modification with the gaussian weighted model, the error modification is proved to considerably ameliorate the precision of spatial interpolation ; ( 2 ) on the base of the gaussian weighted model, taking altitudinal effect into account can reflect the trend in which temperature changes according to the topographic altitude and may ameliorate the precision of spatial interpolation correspondingly and apparently, which indicates that topographical effect on the preciseness of spatial interpolation can not be disregarded in terms of the region with complicated topography ; ( 3 ) the map of daily surface air temperature distribution, using the modified gaussian weighted model a and b, can accurately reflect the temperature - changing - with - topographical - altitude trend. among them, the better is the model a, whose me is below 0. 03 ?

    在此過程中，採用平均誤差（ me ） ，平均絕對誤差（ mae ） ，插值平均誤差平方的平方根（ rootmeansquaredinterpolationerror ，簡稱rmsie ） ，插值前後測站要素值的均方差（ meansquaredeviation ，簡稱msd ）差值作為判定插值效果的標準，得出如下結論：通過高斯權重法與結合逐步訂正的高斯權重法的對比，說明結合逐步訂正方案的高斯權重法可大大提高地面日氣溫的插值精度；在高斯權重法中加入海拔影響項可以反映出溫度隨地形高度的變化趨勢，同時也能較大地提高地面日氣溫的空間插值精度，說明在地形復雜的區域，地形影響在插值精度中是不可忽略的；對于高斯權重法的兩種改進方案得到的地面日氣溫分布圖都能很好地反映出表面大氣氣溫隨地形高度的變化趨勢。
  6. Observed stream flow at 17 hydrological stations along the main river was used to calibrate the model

    模擬總水量同實測總水量的相對誤差在5 %以內，其中有11個站效率系數（確定性系數）在。
  7. In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism

    在此基礎上研製了多臺儀器在線控制高頻采樣動態跟蹤測量系統，采樣率大於5hz ，在跟蹤小於2cm / s低速運動目標時，測量精度好於2mm ；完成對饋源二次精調系統的檢測，包括對二次精調平臺位置基準的標定和觀測棱鏡偏心差的測定；設計不同動態測量實驗，對全站儀動態跟蹤的誤差來源和特點進行了分析；從實驗角度，對全站儀的測量時滯及其穩定性進行了測試分析，給出了定量的結果；比較了全站儀和計算機的內部時間系統，發現兩者存在較大差異。
  8. Error rates are also displayed for gauging severity of the error stream from a particular station

    還可以顯示誤差率，用於測量特定臺站誤差流的嚴重性。
  9. In this thesis the high voltage electric capacity equipment is adapted as on - line object of monitor and diagnose system. the system ' s structure of high voltage electric equipment is introduced, and the possible to each error occuring in high voltage capacity type equipments during the monitoring, analysis and judgment is given

    本文選擇變電站高壓電容型設備作為在線監測的對象，探討了高壓電氣設備在線監測系統的構成，在理論上分析了變電站小四器的絕緣特點，並對其在在線監測和故障診斷中可能出現的誤差進行了分析和判斷。
  10. In the present grounding measurements in substations, the large electric current method is used to raise the ratio of signal to noise, but this method does not obviously decrease the measurement error. the test instruments are unwieldy, and it is easy to threaten personal safety

    在現有變電站接地網接地測量中，採用大電流測試法來減小測量誤差，其消除干擾的效果並不理想，且此方法測量設備笨重，還可能危及人身安全。
  11. There are errors during the measurement for both methods. the wavelet is introduced to de - noise the measured coordinates due to its sensitivity to the white noise on different scales. more precise coordinates of the cabin could be got after de - noise by wavelet

    西安電子科技大學博士論文3 .由於立體視覺和激光全站儀測量得到的坐標均有誤差，採用小波去噪技術降低測量誤差，可更精確地確定饋源艙的位置及運行軌跡。
  12. Approach on the error of the fold line rock movement measure station

    關于折線巖移觀測站誤差的探討
  13. In this paper, overall design philosophy and measure while diagonose the prefabricated substation using ann theory are defined, including the definition of fuzzy expression method for fault symptoms, the definition of typical fault collection and typical fault sign collection, the definition of the format of the learning sample and test sample, and the definition of fault diagnosis model formed in coordination by multi ann whose diagnosis principle are also described. a practical software using visual c + + 6. 0 and access2000 as developing instrument are developed on the basis of diagnosis principle put forward by this paper

    本文確定了應用神經網路理論對箱式變電站進行故障診斷的總體設計思想和步驟：確定了監測數據的預處理模糊化方法；建立了箱式變電站典型故障集和典型故障徵兆集；確定了學習樣本的格式，完成了學習樣本的生成；確定了神經網路結構和參數，並對學習樣本應用本文的學習演算法進行了學習訓練，使誤差控制在給定范圍內；以集散監測診斷系統的思想，提出了由多個神經網路協同構成的多神經網路故障診斷模型，並論述了其診斷原理。
  14. Therefore, in order to evaluate the performance of the two basic algorithms in detail, two typical mobile communication channel models ( cost 259 and t1p1 ) are employed for further detailed simulation, and the corresponding performance is evaluated by rmse and cdf. in this simulation, many relative parameters are examined, such as the cell size, the number of base stations taking part in the location service, equipment measurement errors, nlos effect, and the positions of bss etc. the simulation results show that, taylor algorithm and chan algorithm fit in various simulation environments

    為了詳細評價這兩種基本定位演算法的性能，本文就兩種典型移動通信通道環境模型（ cost259和tip1 ） ，研究了多種參數對定位演算法的影響，包括蜂窩小區的大小，參與定位的基站個數，設備測量誤差，通道中的nlos誤差和基站排列方式等等。
  15. The presented dissertation mainly discusses the non - linearity existing in monostation and multistation radar measurement. the first part of this dissertation integrated the non - linearity with the uncertainty of measurement system, and presents a secondary order filter for correcting measuring variance while the measurement equation is non - linear. by comparing the filter error of extended kalman filter with that of secondary order filter, we find the filter performance of these two filters are almost same

    本文主要討論單站與多站雷達中的非線性測量問題，在1中，我們把測量系統的非線性與測量系統的不確定性聯系起來，針對只有測量方程是非線性的情況，給出了一種修正測量方差二階濾波器，並用這種二階濾波器分析了推廣kalman濾波器的濾波誤差，指出推廣kalman濾波器與二階濾波器相比，濾波性能幾乎相同。
  16. First, the weigh least square localization algorithm is given by improved the algorithm in bistatic radar. through numerical simulation, the localization performance evaluation results are presented for various conditions

    數值模擬表明，該演算法的定位精度明顯高於tol演算法，能有效改善發射和接收站側邊區的定位精度，且定位性能受站址測量誤差的影響較小。
  17. Testing the standard error of horizontal direction with a equi - spaced scale and processing the tested data with the method of relitive adjustment, we obtain that the testing error of leveling angle is less than one third of the error of leveling angle, which testifies the validity and feasibility of the method

    摘要針對全站儀精度，採用等間隔標尺檢測的方法測定水平方向標準差，用相關參數平差的方法對檢測數據進行處理，求取全站儀水平測角精度，得到水平角測定誤差小於水平角誤差的三分之一，實驗證明該方法的正確性和可行性。
  18. The tactical missile seeker handover accuracy from midcourse to terminal guidance is researched. the small perturbation method is proposed to analyse error sensitivity of the seeker presetting parameters from error sources. firstly, the terminal guidance seeker presetting parameters are computed, based on the equations of a surface - to - air missile movement and a target movement. then the seeker presetting unaccuracy due to the command guidance radar measurement errors is also computed. it can be seen that the seeker presetting errors increase rapidly when the missile is close to the target, which leads to an important conclusion that the late seeker handover from midcourse to teminal guidance should be avoided

    研究復合制導的戰術導彈中末制導交班的導引頭預定精度問題.提出用小擾動法分析導引頭預定參數對誤差源的誤差敏感性關系.以中遠程防空導彈為例，結合導彈運動方程組和目標運動模型，計算了中末制導交班的導引頭預定參數，並計算了在制導站雷達測量誤差下的末制導導引頭預定參數的計算精度.可知，導引頭定位參數的計算誤差隨著彈目距離的接近而顯著增大，得到中末制導交班不能太晚的重要結論
  19. Abstract : the tactical missile seeker handover accuracy from midcourse to terminal guidance is researched. the small perturbation method is proposed to analyse error sensitivity of the seeker presetting parameters from error sources. firstly, the terminal guidance seeker presetting parameters are computed, based on the equations of a surface - to - air missile movement and a target movement. then the seeker presetting unaccuracy due to the command guidance radar measurement errors is also computed. it can be seen that the seeker presetting errors increase rapidly when the missile is close to the target, which leads to an important conclusion that the late seeker handover from midcourse to teminal guidance should be avoided

    文摘:研究復合制導的戰術導彈中末制導交班的導引頭預定精度問題.提出用小擾動法分析導引頭預定參數對誤差源的誤差敏感性關系.以中遠程防空導彈為例，結合導彈運動方程組和目標運動模型，計算了中末制導交班的導引頭預定參數，並計算了在制導站雷達測量誤差下的末制導導引頭預定參數的計算精度.可知，導引頭定位參數的計算誤差隨著彈目距離的接近而顯著增大，得到中末制導交班不能太晚的重要結論
  20. The emitter location methods commonly include : angle of arrival ( aoa ) measurement, time - difference - of - arrival ( tdoa ) measurement and aoa together with tdoa measurement. this paper derive some important techniques and theories bearing upon passive location in this field. three kinds of passive location algorithm in three - dimensional ( 3 - d ) space are deduced based on that of 2 - d space. at the same time each performance is analyzed, each graph of geometric dilution of precession ( gdop ) is emulated for different station position, different measurement error, and different target height. accordingly some valuable academic and emulational results are obtained by myself, which will provide researches in this field with definite technical refrence. at the end of this paper, the passive location method of jtids ( joint tactical distribution systems ) is discussed, which is expected to enforce the tactical performance of jtids in the intending development

    本文汲取了該領域有關被動定位的重要技術和理論，在二維平面無源定位演算法的基礎上推導出了三維空間內的三種無源定位演算法，並對各自的定位性能進行了理論分析和計算機模擬，模擬出不同的布站、不同的測量誤差以及不同輻射源高度的情況下，三種定位方法各自對應的定位精度（ gdop ）分布圖，同時對各自的定位性能進行了改進處理，得出了一些有價值的理論和模擬實驗結果，這些結論可為今後在此領域的研究提供一定的技術參考。
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