經度誤差 的英文怎麼說

中文拼音 [jīngchā]
經度誤差 英文
longitude error
  • : 經動詞[紡織] (把紡好的紗或線梳整成經紗或經線) warp
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 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. Superficially it is quite safe to phase advance an accelerometer signal as the error signal has been filtered by the servo and the alrframe transfer function.

    從表面上看,因為信號已被伺服機構和彈體傳遞函數濾波,所以讓加速計信號相位超前網路是不會有問題的。
  2. The error in azimuth must be controlled by astronomical observations for azimuth(and longit ude).

    方位必須觀測天文方位角(及)來控制。
  3. 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擬合的分層篩選法,並改進了統計學中多因子(三個以上)方分析法;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擬合,各年汛期上下游相應洪水位過程的擬合都較小;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。
  4. During the evaluation method for the precision of missile aiming on the sea, setting up test structure system, confirming demand coordinate, putting up installation and calibration to test frame of missile silo, in the course of navigating, it was analyzed and calculated the direction error that brought by the incorrectness of the position of longitude and latitude

    在海上瞄準精鑒定方法中,建立了試驗構建體系,確定了必要的坐標系,對彈筒試驗支架進行了裝調、校正和實際標定。對艇在航行過程中,由於艇的、緯不準確而帶來的定位的影響進行了分析與討論。
  5. ( 5 ) it was more precise for using darcy - weisbach formula to calculate the hydraulic pressure slope curve in the lateral line, but too complexity. although i - pm wu formula is simple, the estimated results were not agreement with the measured data. a coefficient including irrigation uniformity was presented to modify i - pal wu formula, and the results were agreement after using the coefficient

    ( 4 )利用達西?韋斯巴赫公式計算微孔毛管的沿程水頭損失具有較高的精,但計算復雜,吳義伯公式計算雖較簡單,但在灌水均勻較大,為此對吳義伯公式進行了修正,提出了修正系數的計算驗公式,取得了良好的結果,為簡易地下滴灌工程設計中水力計算建立了簡化公式。
  6. In addition, many other problems also exist in hardware neural network, including error problem, learning mode, parallel architecture, and also neural network inner linking problem, hidden layer and the realization of the multiplicator and etc. for instance, error problem : hardware neural network employs the limited precision, and will inevitably bring limited precision error

    另外,硬體實現神網路還存在問題,學習方式,并行結構等方面的問題,還有神網路內部的連接問題,隱層及乘法器的實現等等。如問題,硬體實現神網路使用的是有限精,不可避免的會產生有限精,選取合適的精,才能既適合空間的要求,又避免對網路的實現產生一定的影響。
  7. We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful

    綜合分析認為: ( 1 ) 、這次冷渦在其發生發展過程中,其移動路徑是沿圈直線南壓,攜帶的冷空氣勢力較強,形成槽后較強的垂直運動; ( 2 ) 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急流軸,把源源不斷的西南暖濕氣流輸送到遼西地區,也就是急流軸的左前方位置,為這次暴雨的產生提供了充足的水汽來源; ( 3 ) 、低空急流不但為暴雨輸送水汽,其造成的較強的垂直環流也是產生強降水的一個主要原因; ( 4 ) 、 mm5模式以四維同化資料作為初始場,最大限地避免了觀測可能造成的積分不穩定,提高了模擬結果的參考價值。
  8. On the basis of essential nonlinear characteristics in municipal wastewater biology treatment process, control strategy of fuzzy self - revised method based on neutral network is adopted and some different degree of membership functions which will influence on control error are compared in order to improve control prevision

    摘要針對城市污水生物處理過程存在的本質的非線性特性,採用了基於神網路的模糊自校正方法的控制策略,同時為了提高控制的精,比較了各種不同的隸屬函數對控制的影響。
  9. 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,過實驗的驗證,對傳感器的零點溫漂移補償取得較好的效果,而對靈敏漂移的工藝補償亦有一定的效果。
  10. It will produce very big angular velocity, angular acceleration and angular jerk when tracking fast moving targets. this may lead bigger tracking error and fail to track targets

    目標速的提高將會產生大的角速、角加速乃至更大的角加加速,導致光電緯儀電視跟蹤動態急劇增大,目標逸出視場,跟蹤失敗。
  11. 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標,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級的電流互感器過補償后提高到一次電流從額定值的2變化到120時,測量不超過一次電流額定值100時準確為0 . 1級的測量標準。
  12. 3. vecm of result indicate shanghai a index, shenzhen b, hengsheng index, and jiaqua - an index can recur equilibrium when they deparure equilibrium by coefficient of vecm moreover hengsheng index is very quike. by granger test indicate between a and b inde - x have cause and effect contemporary between hengsheng index and jiaquan index hav - e cause and effect, this result is same to vecm

    3 、修正模型結果指出上海a股,深圳b股、恆生指數和加權指數在短期偏離均衡時,仍可修正項的調整而回到長期均衡關系,並且恆生指數的調整速是最快的正向調整。
  13. Therefore, a model of three sectors, respectively referring to domestic sector, manufacturing export sector and primary product export sector, has been established here to measure the technology spillover effects of export on domestic sector. finally, based on a broader framework, this dissertation went on to investigate the relationship between openness and china ' s economic growth, while the result shows that though there exists a notable dispute about how to measure the degree of china ' s openness, the index of trade dependence still maintains the better one to reflect china ' s economic openness. in the meanwhile, impulse response function ( irf ) method and forecasting errors variance decomposition ( fevd ) method, both of which are based on the vector auto - regression ( var ) system, are used here to investigate the dynamic relationship between openness and china ' s economic growth

    與傳統理論不同,新增長理論和新貿易理論都強調技術進步的作用,因此本文構建了一個三部門的技術外溢效應模型(國內部門、工業製成品出口部門以及初級產品出口部門) ,考察了工業製成品出口和初級產品出口對國內非出口部門不同的技術外溢效應;第四,從更加廣闊的視野就貿易開放與中國濟增長問題進行研究,有關貿易開放如何量一直是存在較大爭議的問題,本文首先對該類研究文獻進行了較為詳盡的述評,然後運用生產函數方法對所選取的5個貿易開放量指標進行了檢驗,結果發現盡管一些已有研究認為外貿依存無法真實量一國濟開放水平,但是本文研究結果表明外貿依存仍是量我國貿易開放的較好指標,進一步採用基於var系統的脈沖響應函數法以及預測方法分解法對貿易開放促進濟增長的作用進行了動態刻畫。
  14. Through the simulation and error comparison between classics regression model and neural network model, it showed that bp should be applied in liquid concentration measurement system to improve measurement accuracy and decrease the non - linear effect from temperature

    通過模擬研究,與傳統的回歸模型進行對比,得出了應採用bp神網路技術建立智能化液漿濃測量模型,提高測量精,克服溫變化非線性影響的結論。
  15. Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created

    網路控制是智能控制的重要方式之一,它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法( bp演算法) ,特別提及了能夠較好描述系統動態性能的對角遞歸神網路和在用遞推預報演算法訓練drnn時取得了較快的收斂速。其次,應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器,作為引入神網路控制的設計基礎,並建立了系統的模擬模型。
  16. Abstract : the attitude error performance of electrostatic gyro should be understood and the relevant error equations must be set up in order to ensure the navigation precision of esgm. the relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle. the simulation results show that the temporal performances of the longitudinal and distance errors which come from the initial alignment errors are periodically variational. they also show that the longitudinal and distance errors resulted from gyro drifts are not convergent in time. thus, the effects of initial alignment errors and gyro drifts can not be neglected and must be estimated and compensated

    文摘:為了保證靜電監控器的導航定位精,需要了解靜電陀螺的姿態特性,建立相應的方程.本文採用球面三角形原理推導了導航定位與陀螺姿態的關系式.模擬結果表明,由初始定向引起的經度誤差和距離的時間特性是周期變化的;由陀螺漂移引起的經度誤差和距離是隨時間發散的.因此,初始定向和陀螺漂移的影響不能忽略,必須對其進行估計和補償
  17. By contrast with some foreign countries, such as usa, uk and so on, those countries had carried out new iso standard for a period of time, so they have developed special implements to measure those five errors, like 6d / lms created in usa. those implements have greatly improved the testing efficiency of machining center ' s geometric accuracy

    而國外美英等國先於我國執行iso的新標準,他們已研製了直線綜合檢測儀,如美國的api公司研製的6d lms激光干涉儀可同時檢測除傾斜一項的其他四項,使檢測時間從2 ? 3天減為半天,極大地提高了生產效率。
  18. The simulation results show that the level damp of dins can reduce the influence of the external velocity error, and restrain the error of longitude effectively

    通過模擬分析,比較兩套阻尼系統的模擬結果,可以看出雙慣導水平阻尼能夠顯著降低外速的影響,抑制經度誤差
  19. After comparing the detecting result and the actual height of metal parts, it showed that the detecting error was in the nature figuration error range of one welding seam

    與實驗獲得的實際金屬結構高數據對比,得到金屬結構高檢測的在單道焊縫的自然成形的高范圍內的結果。
  20. Commonly, the precision of grind machine could reach to 2um after modifying and grinding for second time. so we designed and assembled this aspheric surface measuring instrument to get error function as compensation documents of grind machine to assure the precision of grind of optics

    一般來說,高精的非球面銑磨機床補償后其精磨面形精的達到2um ,因此通過輪廓儀的測量得到銑磨機床一次銑磨的反饋數據,就可對非球面銑磨機床一次銑磨進行補償。
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