時標誤差 的英文怎麼說

中文拼音 [shíbiāochā]
時標誤差 英文
timer error
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • : 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. Applying the information extracted from numerous hydrographic data of field trials collected by h / hcs - 017, the first set of multi - beam swath bathymeter developed in china, a series of mosaic techniques have been carefully studied in this thesis, including digital terrain model building, statistical error analyzing, hydrographic data mosaicking as well as tides correction and projection of the earth coordinates. finally, standard digital sea - charts and three dimensional seafloor images are successfully developed that are consistent with hydrographic surveying principles

    本文利用我國第一臺h hcs ? 017型條帶測深儀的測量數據進行拼圖技術的研究,主要研究的內容有:利用分帶原理對深度數據進行潮汐修正,得到瞬海面的深度數據;對測深數據進行分析處理,去除野值;將多波束數據進行坐變換及投影轉換后構建數字地理模型,進而根據海道測量規范繪制準海圖。
  2. Aiming at the calibration of traffic radar, this paper analyzed shortcomings of conventional calibration method which be used in radar speed gun calibration regulations ( jjg528 - 2004 ) and put forward two new methods to verify it and developed speed standard instrument

    摘要針對公路交通中雷達測速儀的檢定問題,分析了《雷達測速儀檢定規程》 ( jjg528 - 2004 )中規定的檢定方法的不足之處,提出了兩種新的雷達測速儀檢定方案測試數據記錄比對法和測試數據實比對法,並研製了相應的速度準裝置(測速0 . 5 % ) 。
  3. 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攝像機實獲取表盤圖像數據,同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,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。
  4. Now, our country is in the term of adjustive phase of carrying out new state standard, those five geometric errors only can be measured one by one with different implements, so it will waste lots of time ; use great effo rt and easily make mistakes

    目前,國內企業尚處于執行新國的適應期。檢測新國值直線度的五種,每一個坐運動均需要分別使用線值量具和角值量具一項一項地檢測,耗,費力,易出錯。
  5. The author has finished the following several jobs in core of the centre : 1 ) the active compensation method based on bang - bang control was put forward to realize the wide range current transformer. the method converts the complex statement space to i / o description by the two - stage current transformer. with the compensation method, the accuracy of 0. 2 grade current transformer can be improved to less than the 0. 1 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating

    圍繞這一工作核心,作者完成了以下幾項工作: ( 1 )以實現寬量程電流互感器為目,提出了基於bang - bang控制的有源補償方法,採用雙級電流互感器,將復雜的狀態控制分量轉化為偏控制,該方法結構簡單,調試方便,有源補償器輸出電流小,可以將0 . 2級的電流互感器經過補償后提高到一次電流從額定值的2變化到120,測量不超過一次電流額定值100準確度為0 . 1級的測量準。
  6. The paper proceeds from the transient equation for voltage and torque, analyze the electromechanic time constant of permanent - magnet dc servomotors based on the theory, and compare with the several testing methods which are used normal in the engineering, point out the difference and applying area also for the testing error which is led to possibly

    摘要為了準確評價伺服電動機的動態性能指,從電機的電壓、轉矩平衡方程式出發,在理論上對永磁直流伺服電動機的間常數進行了分析探討,並對工程實際中常用的幾種測試方法進行分析和比較,指出其別和適用范圍以及可能造成的測試
  7. 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,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,論述了加工影響工件型面輪廓精度之加工中心的因素,對加工中心實施其工作區內各點的立體檢測。
  8. The improvements in the iaga contained adding strengthen operator, improving evaluation index of premature, etc. multi - phase homing project, making use of the flight properties of parafoil system in gliding and turning, was simple in control and facile in practice. based on frenet frame, the linear time - variable error equations of parafoil system were built

    基於frenet坐系推導和建立了翼傘系統線性不變的方程,並運用「投影點」的思想來獲得frenet坐系下偏量的解析近似表達式,從而設計了用於翼傘系統航跡跟蹤的傳統pd控制器和增益調節型模糊pd控制器。
  9. In the chapter 4, it primarily stats large numbers of original data and obtains the probability distributing functions of each assessment factor by means of pearson x2 goodness of fit test. and then it establishes the distributing sections of the error of each assessment factor. meanwhile it expatiates the criteria of simulator coach ' s subjective judgments

    第四章主要對大量的原始數據進行統計分析,採用peanonx 『擬合檢驗方法,獲得了各評估要素的概率分佈函數,繼而分別確定了各評估要素的分佈區間,同也對教練員的主觀判斷準進行了闡述。
  10. The analysis results show that : the frequency characteristic curve assumes the downtrend, so the electrical energy measurement of the induction meter will produce biggish error when the content of the harmonic is big, no matter taking the whole energy as measurement standard or basic wave energy

    研究分析結果表明:感應式電能表的頻率特性曲線呈迅速下降趨勢,因此在電能計量中,不管是以全能量為計量準還是以基波能量為計量準,當諧波含量較大對感應式電能表的電能計量將會產生較大的影響。
  11. Compared with the induction meter, the electronic meter ' s measurement error is affected diminutively by the change of the frequency, that is to say, the electronic meter has a wide frequency respond characteristic and its error - frequency characteristic curve is flat. therefore, taking the whole energy as measurement standard, the measurement error of electronic meter is less than that of induction meter very much ; while the measurement error of electronic meter is bigger than that of induction meter when taking the basic energy as measurement standard

    和感應式電能表相比,電子式電能表的計量受頻率變化影響較小,具有較寬的頻率響應,頻率特性曲線較為平坦,因此,在諧波存在下以全能量為計量,電子式電能表的計量遠遠小於感應式電能表的電能計量,而以基波能量為計量,電子式電能表的計量比感應式電能表的計量大。
  12. First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target

    本文結合空軍裝備部某「十五」預研課題,圍繞著戰術數據鏈、多機協同多目攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案,建議採用分多址的工作模式,並利用移動自組織網路的概念構建數據鏈網路,同針對數據鏈傳輸信息的間延遲特性和指揮機指揮下的多機協同作戰特點,應用一種極坐系下的卡爾曼濾波演算法對該傳輸延遲進行補償,並在此基礎上進行目運動參數的轉換,以獲得目相對于某無人機的當前運動信息,且利用模擬驗證了方法的有效性。
  13. The objectives are to minimize a linear function of total completion time and total variation of completion time, a linear function of total waiting time and total variation of waiting time, a cost function based on earliness, tardiness, window size, window location, and a linear function of the due date, the earliness and tardiness for all jobs

    函數分別為極小化完工間和與完工間偏和的線性組合,極小化等待問和與等待間偏和的線性組合,極小化提前間、延間、最早交貨期及窗口長度的加權和,極小化提前間、延間及公共工期的加權和。
  14. 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( me ) ,平均絕對( mae ) ,插值平均平方的平方根( rootmeansquaredinterpolationerror ,簡稱rmsie ) ,插值前後測站要素值的均方( meansquaredeviation ,簡稱msd )值作為判定插值效果的準,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。
  15. We choose the forest appearance tidiness, representative stands serving as standard plots, 40 stands were set up at qinling, hanzhong, huanghong in shaanxi respectively, measure every tree in the stands, measure the actual increase by the dominance tree, the time series model of individual age and diameter of quercus variabilis was established according to the actual diameter of quercus variabilis population by the fluctuant time series, the comparison of simulation and reality value of the every stand of quercus variabilis population diameter increase through the four models, the average simulation difference within 1. 5 %, the accuracy is 97. 8 % the simulation effect is better

    在陜西的秦嶺、漢中、黃龍地區選擇林相整齊、有代表性的地段作為準地,設置樣方40個,對各樣方內的林木進行每木檢尺,通過優勢木解析的方法,測得栓皮櫟種群胸徑的實際生長量,運用起伏型間序列分析,建立了栓皮櫟種群個體年齡與胸徑生長的間序列模型,四個模型所得的各個樣地栓皮櫟胸徑生長的模擬值與實際值進行比較,其模擬平均都在1 . 5 %以內,平均精度達到97 . 8 % ,模擬效果較好。
  16. Big ben, which is operated by the palace of westminster, survived attacks by german luftwaffe bombers during world war ii, continuing to mark the time to within 1 1 2 seconds of greenwich mean time. however, the clock has experienced occasional problems

    在威斯敏斯特宮內運轉的大本鐘曾在二戰期間經受過德國空軍的炮火襲擊,但它仍然勤勉報,和格林威治間之間的從未超過1 . 5秒。
  17. In many performance check, artillery control systematic dynamic trail aimed error is one of relatively important parameter, dynamic trail aimed error denote : when high cannon system is dynamic trailing, set bullet pellet flight time is 0, in the condition of not considering advance quantity ( 0 fly working ), the axis of artillery pipe should direct goal

    在諸多的性能考核中,火控系統的動態跟蹤瞄準是較為重要的參數之一。所謂動態跟蹤瞄準是指:當高炮系統在進行動態跟蹤,設定彈丸飛行間為零,即在不帶提前量的條件下(即零飛工作方式下) ,火炮身管的軸線應直接指向目
  18. In the base of investigating and analyzing to working theory, measure methods and relevant standard, the text processes particular analyses to the working theory of billing system and reason of making billing wrong and puts forward technology index and measure method that can externally evaluate the capability of billing system and is suit to the situation of our country. some indexes and measure way are put forward for the first time ( example error of call clock, time error and measure method to moving exchanger ' s billing system. ) through analyzing telecom charging way, charging users, charging point and charging methods of telecom basic and all kinds value - added operation and utilizing the newest measure apparatus, modern measure technology, communication technology and probable method, this text puts more scientific, efficient and easily operated measure methods and process a uncertain analysis to measure methods

    本文在調查和分析國內外局用交換機計費系統工作原理、檢測方法和相關準的基礎上,對計費系統的工作原理和產生計費錯的原因進行了詳細的分析,提出了適合國情的能夠客觀評價計費系統計量性能的技術指和檢測方法,有些指和檢測方法在國內相關資料中屬首次提出,如通話計和對移動交換機計費系統的一些檢測方法;本文通過對電信基礎業務和各類增值業務的計費方式、計費用戶、計費點和計費方法的分析,利用國內外最新檢測儀器、現代檢測技術、通信技術和概率統計方法,提出了較科學、有效和利於實施的檢測方法,並對檢測結果的測量不確定度進行了分析。
  19. This paper stated the application of parallel link mechanism in modern machine tools, set up the error analysis as to parallel link mechanism in the virtucal - axis machine tool, derived the double triangular error equations of parallel link mechanicsm in its horizontal posture, analyzed the linearity and non - singularity of the error equations, thus giving the normal splution to the horizontal posture error. the error distribution law is simulated as to the center line in the workplace, and the error distribution curves are drawn as well

    該文對並聯機構在現代機床上的應用作了論述,建立了虛擬軸機床並聯機構的一種分析方法,應用坐變換原理導出了雙三角並聯機構水平姿態方程組;分析了方程組的線性和非奇異性,給出了水平姿態的位姿正解;對工作空間中心線的分佈規律進行了模擬,繪制了其分佈曲線。
  20. First, a research is done in this paper about error correction methods of network analyzer, including the analysis of the network analyzer principle, the establishment of error model and the acquirement of standard calibration method and nonstandard calibration method. based on 12 - error module, the solt ( short + open + load + thru ) method which is standard calibration one and the slt ( short + line + thru ) method which is nonstandard calibration one are obtained

    本文在分析s參數的測量的基礎上,研究了網路分析儀校正方法,包括分析網路分析儀的結構、工作原理和測量方法,用已有的網路分析儀測量s參數理論建立模型,構造其相應的準件校正方法和非準件校正方法。
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