水準誤差 的英文怎麼說

中文拼音 [shuǐzhǔnwùchā]
水準誤差 英文
level error
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 準 : Ⅰ名詞1 （標準） standard; guideline; criterion; norm 2 （目標） aim; target Ⅱ動詞1 （依據; 依照）...
  • 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...
  • 水準 : standard; level
  • 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. The most important criteria that used to check the calibrated model are root mean square error ( rms ), the mean absolute error normalized rms error, and mass balance

    模型參數使用試錯法識別，識別過程中最重要的指標是均方差、平均絕對誤差、標準均方差和水均衡。
  3. Based on developed experimental testing facility, the shading performances of southing horizontal shading devices, vertical shading devices and integrative shading devices of external windows are measured, the performance parameters including indoor temperature, air - conditioned cooling load and shading coefficient as so on. and the shading coefficient of experimental test results and calculation results based on design standard for building energy efficiency are compared, and the windows5. 2 simulation results are compared also. the measured results are consistent with the calculation results of horizontal shading devices and vertical shading devices

    本文利用研製的建築遮陽性能檢測裝置，對南向水平遮陽板、垂直遮陽板和綜合遮陽板外窗的遮陽性能（包括室內溫度、空調耗冷量和遮陽系數等）進行了實驗測試，並對遮陽系數的實驗測試結果與節能設計標準的計算值以及windows5 . 2軟體的模擬結果進行了比較分析，測試結果表明水平遮陽板和垂直遮陽板外窗的遮陽系數與計算結果比較一致，相對誤差分別為2 . 5 %和4 % ，而綜合遮陽板外窗的遮陽系數與計算結果的差值比較大，相對誤差達到10 %以上。
  4. This paper presents a wider research field - risk analysis. through the study of the effects that threat factors and error factors impact on the flight risk and adjusting performance rules, the horizontal safe corridor, threat avoidance, vertical altitude real - time modification and the fastest trajectory programming are progressed

    總結前人在該方面的研究成果，提出一個更加廣義的研究角度? ?風險分析。通過對威脅因素、誤差因素對飛行風險的作用，調整性能準則而進行了水平安全走廊設計、威脅迴避、垂直離地高度實時修正以及最快速航跡規劃。
  5. Abstract : in this paper, the use and test status quo of internal and external large - sized coordinate measuring system is analyzed briefly and the composition, measuring method and error source are described. according to the internal use status quo and present level, the performance parameter, test method and material reference of the theodolite system suitable for indoor test and site test are proposed. the technical approaches for developments of the indoor large - sized standard and site material reference are given

    文摘:簡要分析了國內外大尺寸坐標測量系統使用和檢測研究現狀，敘述了經緯儀測量系統的組成、測量方法和誤差來源，根據我國使用現狀和現有水平，提出了經緯儀測量系統性能參數、檢測方法和標準實物，適用於室內檢測和現場檢測，給出了室內大尺寸標準研製和現場標準實物研製的技術途徑。
  6. Results show that a three - stepwise weight function correction method is effective and applicable and can be spread in other basins. it can eliminate the outlier of rainfall data and improve the accuracy of flood forecast

    計算結果表明，採用雨量觀測誤差三步權函數修正法是有效的，能準確剔除雨量資料的粗差，改善雨量資料的合理性，提高洪水預報的精度。
  7. A modified svm model, which can predict peak recognition theory, was proposed in this paper. this model can increase the weight of peak error in the loss function of structural risk minimization, thus improve prediction accuracy of hourly water demand peak

    本文提出一種能夠進行峰值識別的改進svm演算法，該演算法在結構風險最小化準則的目標函數中加大峰值誤差的權重，從而提高時用水負荷峰值的預測精度。
  8. This results showed the program can be used to simulate the variation of sewage qulity validly and exactly in a sewer which has the same characteristic with that sewer. analysing the real data and simulation data ss and xs decreased apparently ; xbh increased apparently ; snh, snd, and xnd have little variation

    對西安市某污水管道進行水質測定和模擬，各組分實測值與模擬值的相對誤差均小於5 . 0說明兩者較為吻合，應用模擬程序可以對具有上述管道特徵的排水管道內水質變化進行有效和較為準確的模擬。
  9. At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss

    然後對現有的演算法進行了詳細的分析、比較，篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案，確定了準同步采樣的方案，並通過對準同步采樣誤差的分析，提出了一種從45開始采樣，從而提高精度的采樣數據處理辦法，同時，對于電流互感器相位漂移提出了一種補償辦法，接著對裝置中電能質量分析與統計以及無功補償中電容器的補償量、投切原則也作了相應分析，其中對于無功補償採用y混合接線，並利用交流接觸器和固態開關共同投切電容，不但提高了經濟運行水平、改善了電能質量，而且有效的避免了頻繁更換開關，減少了經濟損失；最後，設計了裝置的硬體電路並繪制了相應的軟體流程圖。
  10. It can help to lengthen the service life of water quality on - line monitoring instrument, make the results of on - line water quality monitoring are more accurate and stable, and it also can reduce the maintenance loss because of the relative accuracy and save the replacing expense if the on - line water quality monitors are too damaged to repair

    可以延長在線水質監測儀的使用壽命，提高在線水質監測儀監測結果的準確性、穩定性，減少設備維護、維修工作及其費用，減少由於水質監測結果誤差帶來的損失，節省由於在線水質監測儀表損壞而無法修復，過早更換的費用。
  11. From the two points of view of the remove - restore principle and the fitting of the remnant error during the condensing of the local geoid, this paper deduces the direct and the in direct methods assessing the precision of gravity geoid, and analyzes the error estimation results of the two methods

    摘要從移去恢復法原理以及局部大地水準面精化殘差擬合兩個角度，分別得到了重力大地水準面精度估計的直接法與間接法，並通過實例分析了兩種方法的誤差評定結果。
  12. For greatly overcoming the carrier phase rotation resulting from multipath underwater acoustic channel and large mean square error ( mse ) at convergent end of linear equalizer ( le ) based on higher order statistics, statistical equalization criterion based blind linear sign decision feedback equalizer ( lsdfe ) was proposed

    摘要為了克服多途水聲通道引起信號的相位旋轉及基於高階統計量的線性均衡器（ le ）收斂后均方誤差大的不足，提出了基於統計特性均衡準則的線性符號判決反饋盲均衡演算法。
  13. Verification regulation of magnetism influencing error for the dsz05 and dsz1 compensator levels

    Dsz0 . 5 dsz1自動安平水準儀磁致誤差檢定技術規程
  14. The author first explains that large - scale measurement device is one of the most basic measuring methods of obtaining external trajectory data and flight status. lt is pointed out that the accurateness of the main - item axis system deviation correction ( including vertical, level and collimating axis deviation ) of large - scale measurement device error is of critical importance to the precison of measuring device ' s surveying angles. to improve its precison, the influence of axis system deviation on surveying angles must be corrected

    首先說明了在現代航天靶場中，大型測量設備是獲取外彈道數據和飛行狀態的最基本的測量手段之一，指出大型測量設備測量系統誤差的主項軸系偏差（包括垂直軸偏差、水平軸偏差和照準軸偏差）改正的精確與否直接關繫到測量設備的測角精度，因此要提高測量設備的測角精度，必須對軸系偏差對測量角的影響進行改正。
  15. Abstract : in view of the general phenomena of insufficient resource utilization and inefficient unit operation, an optimal method of power plant economic operation which is fit for the operation characteristic of the small hydropower station has been presented in this paper. on the basis of actual power features of units, this method avoid errors for curve transformation and imitation as well as bring the indefinite factor arising from different combination way of diversion and tail - race system of hydropower station. it makes the calculation result more accurate and reliable. proved by practical application of the hydropower station, this method not only improves the technique content of hydropower station manage, but also promotes clearly economic benefit

    文摘:針對目前已建成的小型水電站資源利用不充分，機組總體效率較低的現象，提出了一種適合小型水電站運行特點的廠內經濟運行優化方法，該方法以機組的實際動力特性為依據，既避免了由於曲線轉換和擬合帶來的誤差，又可以將電站引水系統和尾水系統由於不同組合方式所出現的不確定因素納入優化設計之中，使計算結果更加準確可靠.經實際電站的應用表明，該方法不僅可以提高電站管理的技術含量，而且使電站的經濟效益有明顯的提高
  16. Because of the large difference between digital level and optical level, the suitable method to assess the precision of digital level is needed

    同傳統的光學水準儀相比，數字水準儀原理新穎，影響其精度的誤差源也有所不同，目前還沒有針對數字水準儀的檢定規程。
  17. The calibration of flow model is acceptable with average rms of 0. 7m, residual mean of - 0. 045 m, average absolute mean error of 0. 1 m and normalized rms value of 2. 3 %. the contour map of the simulated heads, elaborated acceptable model calibration compared to observed heads map

    模型結果中，均方差為0 . 7m ，平均誤差為- 0 . 045m ，平均絕對誤差為0 . 1m ，標準均方差為2 . 3 ，模擬地下水流場與實際觀測地下水流場基本一致，說明所建立的數值模型符合該地區的實際水文地質條件。
  18. All components shall be installed in such a way that they are plumb or horizontal and line up with adjacent components, in all directions, taking account of the allowable tolerances as defined in the project common tolerance and movements document

    所有元件安裝后，須呈垂直或水平狀，並無論從何種方向看，都與相鄰元件成一直線；若有容許誤差，須依本案通用誤差及機件標準之規定。
  19. 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。
  20. Comparing the moisture contents determined from the sensors with those from the standard oven drying method, the deviations was within 1. 0 % under the measuring range from 20 to 12 % w. b. these sensors have been commercialized

    乾燥機作業時，此型水份計之量測值與烤箱法測定所得之標準值比較后，在12 20 %濕基?圍，其誤差於1 . 0 %之內，此型水份計已商品化生產。
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