高程精度 的英文怎麼說

中文拼音 [gāochéngjīngdù]
高程精度 英文
height accuracy
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 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
  1. ( 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度，但計算復雜，吳義伯公式計算雖較簡單，但在灌水均勻度較差時誤差較大，為此對吳義伯公式進行了修正，提出了修正系數的計算經驗公式，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。
  2. The results indicated that the ree tracer technology has high precision to quantify the spatial - temporal process of soil erosion ; in earlier rainfall course, the development degree of sheet and nil erosion was general equation ; otherwise in the following course, the rill erosion was dominant in the total erosion, its average erosion acceleration and the average erosion rate was 15 and 9 times of sheet erosion, respectively ; in the end of experiment, the rill erosion took up 90 % of total erosion amount ; the section of slope bottom occupying about 1 / 3 slope area was active erosion segment in this experiment

    結果表明： ree示蹤技術對定量研究土壤侵蝕具有較高的精度；降雨前期，片蝕與細溝侵蝕發育程度基本相當；後期細溝侵蝕占據坡面侵蝕的主導地位，其侵蝕平均加速度和平均侵蝕率分別是片蝕的15倍、 9倍；試驗結束，細溝侵蝕占據坡面總侵蝕的90 % ；本試驗條件下，坡面下1 / 3區域為侵蝕活躍帶。
  3. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本無振蕩（ weno ）格式及其在雙曲守恆律方程中的應用，在此基礎上作了兩個方面的工作：一是針對高頻聲波問題構造出一種基於保色散關系（ drp ）的weno有限差分格式，並對計算氣動聲學（ caa ）問題的代表性算例進行了大量數值實驗，比較了該格式捕捉波數的能力；另外，針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題，研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法，並且給出有代表性的密度滑移面問題的算例，得到一致高階精度的數值模擬結果。
  4. Because the elevation data we have acquired through gps is too variable to satisfy the mapping accuracy requirement the elevation value is solved by the water lever observation in the hydrology station and datum horizon correction of sounding observation

    由於gps的rtk模式測量所獲取的高程精度不能滿足測圖精度要求，因此其高程值是通過測量水深值、結合其統一到基準面的改正數、根據相關水文部門各水位站提供的水位觀測資料綜合計算獲得。
  5. In this paper, we develop the high - order accurate essentially non - oscillatory ( eno ) schemes on one and two - dimensional structured meshes in the finite volume formulation, and discuss their applications in hyperbolic conservation laws

    本文構造了一維、二維結構網格中的高階精度基本無振蕩（ eno ）有限體積格式，並且討論了它在雙曲守恆型方程中的應用。
  6. Examples indicate that the method is available and exact for implicit expressed performance function, and it is a new and effective way for structure reliability analysis

    實例數值結果表明，基於神經網路將隱式函數轉化為明確表達的極限狀態方程是可行的，同時該方法具有較高的精度，為結構可靠度計算提供了新的有效思路和手段。
  7. The comparison between the experimental data with numerical simulation show that the model have a higher precision in the lateral scouring and sedimentation deformation, time interval quantity of deposition, and output sediment concentration process during sand peak at various cross section and is applied fairly good to practical engineering

    青銅峽水庫的實測資料對模型驗證結果表明：模型在水庫不同斷面橫向沖淤變形、時段淤積量、沙峰期出庫含沙量過程都具有較高的精度，能較好地運用於工程實際。
  8. Vdop - vertical dilution of precision

    高程精度衰減因子
  9. Now the 2d precision of spatial points is very great, but because by usual correlation fitting method we can transfer gps ellipsoidal height into normal height of the local geoid is considered as mathematical curve plane, it is not conform the fact of mountainous districts so the precision of elevation is so small that it is not satisfied with the requirement of leveling

    目前，地面點的平面位置確定精度已相當高，但高程精度始終未能達到水準測量的要求，因為將gps大地高轉化為水準正常高的擬合推估方法是將局部大地水準面視為數學曲面，常常與實際情況差異較大（特別在西部山區差異更大） 。
  10. During the course of information recommending, the thesis combines content - based filtering with collaborative filtering to find particular information for each user, and it also presents different collaborative filtering strategies. in personalized information retrieval, the thesis takes advantage of the user ' s profile which describes particular user ' s information needs to filter useful information from the retrieval results for particular user and to enhance the accuracy of retrieval

    與以往系統不同，系統無需用戶直接反饋，而是通過其對文檔的訪問頻度、駐留時間及操作行為等來隱式獲取用戶的評價信息；同時，系統也利用用戶候選興趣特徵向量來記錄和累計用戶潛在的、非主要的興趣的變化過程，精度更高。
  11. The above spatial and temporal discretization in the boundary, and two - directional average in the intersection, can satisfy completely n - s equations, and have high accuracy in the all computational regions

    對邊界上的空間微分採用高階緊致差分格式離散，時間微分採用四階時間推進處理，在交界處採用雙向差分平均法，保證了整個計算域上的流動都滿足navier - stokes方程，並具有高階精度。
  12. We practically applied the wnnd scheme to solve scalar conservation laws and euler system in one dimension and n - s equations in two and three dimensions. the numerical results of wnnd schemes indicated good shock transitions without any noticeable oscillations and uniformly high accuracy in smooth regions. the wnnd scheme could catch the detail o f the flow field more particularly

    本文應用wnnd格式數值模擬求解了一維標量方程、一維歐拉方程、二維n ? s方程和三維n ? s方程，數值結果表明， wnnd格式在激波附近基本無波動，且在解的光滑區保持空間的統一高階精度，較之nnd格式， wnnd格式能夠更高解析度的捕捉到流場細節。
  13. Finally, the paper has designed the program of bp neural networks, neural networks based genetic algorithms and hybrid intelligence learning algorithms in vc + +, and applied those algorithms to the xor problem, the function approximating problem and the explaining high difference seismic data problem. the experiment results have showed that hybrid intelligence learning algorithm for training neural networks is better, faster and more accurate than bp algorithm and genetic algorithm

    最後，用vc + +語言設計了bp神經網路、基於遺傳演算法的神經網路和混合智能學習法神經網路實現和進行計算機模擬運行程序，並分別將它們應用於解決異或、函數擬合和高解析度地震資料解釋等問題，從實踐中證明混合智能學習法神經網路與bp神經網路和基於遺傳演算法的神經網路相比有更好的運算性能、更快的收斂速度和更高的精度。
  14. The paper recommends that the placement of voltage - electrode is 0. 509s when the distance from the border of grounding grids to current - electrode is s that is the long border length of grids. ( 3 ) the paper use two - layer theory to describe non - uniform soil. with the different two - layer soil model, some conclusions and formula that have great reference value are presented numerically

    綜合各種因素考慮，推薦在距離地網邊緣距離為地網長邊長度s的位置布置電流極，並在0 . 509s布置電壓測量極，在滿足工程精度要求的同時也極大的提高了測量效率。
  15. Renewal made of the mould, advanced high - speed machining center, with the high rotational speed, so high as to enter for the speed, high precision and high efficiency to replace profile modelling to mill, namely process and replace simulation to process with the data, from the three - dimensional data mould three - dimensional structure numerical control cnc form of the products, all appear with the data

    模具製造的更新，先進的高速加工中心，以高的轉速高的進給速度高的精度和高的效率取代了仿形銑，即以數據加工取代模擬加工，從產品的三維數據模具三維結構數控cnc程式，全部以數據顯現。
  16. Moreover, computer - aided design for power - line filter and discussion on implementation of intelligent equipment of noise measurement and suppression are also introduced, results show that the discrimination network based on splitter / combiner has better hf performance with low insertion loss and good rejection capability, however, it is more expensive

    結果表明，基於分相器混和器的噪聲分離網路具有更好的高頻特性，且網路插損和噪聲模態抑制特性能夠滿足工程精度要求，但網路製造成本較高。
  17. The technology of micro - electronics and calculation method was fully made in the system. how to improve the accuracy of standard orifice measurement is also discussed from the following aspects : the means of measurement and transmitter, online correction of measurement parameter and abnormal condition. all those means are used to overcome its shortcomings of less scale of measurement range, short period of checkout, more tache of maintenance and low accuracy of measure

    該系統充分利用微電子技術和計算技術以及通過實際現場總結的經驗，主要從測量與變送環節採取的措施、相關參數的在線實時補償演算法、非正常情況的在線補償三個方面對如何提高量精度加以論述，盡可能地彌補孔板差壓式流量計量程比較小、檢定周期短、維護環節多、準確度低的不足。
  18. Thus the second - order diagnosis equations are introduced. it is necessary to propose the second - order sensitivity with higher accuracy than first - order sensitivity, although the basic thought and sensitivity matrix analysis approach, similar to the first - order sensitivity, are used

    盡管採用了相似於一階靈敏度故障診斷方法的基本思想和靈敏度矩陣分析方法，但是由於二階靈敏度故障診斷方程比一階靈敏度故障診斷方程具有更高的精度，因此引入二階靈敏度是必要的。
  19. A two - stage hybrid scheme is proposedbased on the criteria that decreasing mode nuinber reasonably and different attention shouldbe given to different class control variables, i. e., at the begirming stage, a larger granu1arity isused to make ga searching the area contaning optimal sollltion with less generation. thehybrid scheme of binary and integer code distinguished by voltage level is of clear levelconception thus can search the high voltage control variables more carefully. crossover andmutation of ga are also refined on the basis of above scheme

    並從合理減少模式數以及對不同變量給予不同程度關注的原則出發，提出了兩階段分層混合編碼方案：在遺傳演算法的開始階段，用較粗的粒度編碼，使遺傳演算法能夠用較少的迭代次數快速搜索到最優解所在的區域；按電壓等級分層的二進制和十進制混合編碼，具有清晰的層次概念，對那些影響較大的高壓網控制變量能夠有針對性地以更高的精度進行搜索。
  20. Reactive power are calculated using the new algorithm. on the basis of analyzing different kinds of control strategies of var compensation, the paper applies the criterion of voltage and var to control switching and illustrates a improved mode of switching capacitor which can prevent the switched - capacitor from the impacting of instantaneous rush currents by means of zero - crossing triggering of scr components, and can realize auto - tracking var and auto - switching shunt capacitor bank. initial operating parameters are stored in information flash memory of the mcu using flash self - programming technique in order to decrease complexity of the circuit and improve stability

    高壓智能無功補償控制器以flash型16位單片機msp430f149為控制核心，採用了一種相角實時測量的新演算法，並在此基礎上計算出了功率因數、有功和無功，減少了運算量提高了精度；在分析了各種無功補償控制策略的基礎上，以母線電壓和無功功率復合判據控制投切，並提出一種改進的電容器投切方式? ?暫態投切控制晶閘管過零觸發，避免了電容器投切時的電流沖擊；穩態運行時接觸器替代晶閘管，實現無功補償的自動跟蹤和電容器的自動投切，解決了投切時的暫態電流沖擊和穩態時可靠運行的難題；控制器的原始運行參數採用flash自編程技術，將其保存在msp430f149片內的信息flash中，簡化了硬體電路，大大提高了系統的可靠性。
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