典型誤差 的英文怎麼說

中文拼音 [diǎnxíngwùchā]
典型誤差 英文
typical error
  • 典 : Ⅰ名詞1 （標準; 法則） standard; law; canon2 （典範性書籍） standard work of scholarship 3 （典故...
  • 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...
  • 典型 : 1 （在同類中最具有代表性的人或事） typical case; typical example; model; type; specimen 2 （具有...
  • 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 method based on the principle of maximum entropy ( pome ) is applied to analyze the distributions of flood forecasting errors for some typical reservoirs in humid and semi - humid regions

    摘要採用最大熵原理（ pome ）方法，對我國濕潤和半濕潤地區部分典型水庫的洪水預報誤差分佈規律進行了研究。
  3. Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained

    首先在第三章提出的目標運動模型的基礎上建立了系統狀態方程;其次簡要分析了衛星導航系統中的各類誤差，建立了基於偽距觀測量的系統觀測模型;第四節利用yuma格式歷書數據模擬了未受攝動影響的衛星軌道，並在此基礎上建立了幾種典型的動態模擬測試環境;第五節為模擬分析和比較，先對ukf演算法和ekf演算法在動態模擬測試環境中進行了模擬比較，然後針對外場試驗，對非線性濾波獲得的定位結果與商業軟體進行了分析比較，並得出結論。
  4. Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently

    本文介紹機載對空微波輻射計探測雲中路徑積分液態水含量（ l ）的輻射傳輸原理和反演方法；根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水垂直分佈模式，得到這兩個地區4 - 7月各月的隨高度而變的反演公式及其系數的表達式；探索了和反演系數有關系的大氣的影響，並在各個月份之間進行了比較分析；給出了反演誤差的數值模擬檢驗結果：在地面反演值對『真值』的統計相對偏差是15 - 25 ，在6公里高度處為5 - 10 ，表明該方法已具有實用可接受的精度。
  5. In addition, these methods rarely consider the case of multi - stage preloading. several studies has been made to solve these problems : ( 1 ), an error processing is present to manage settlement data. based on fairing filtration theory, a fairing program is compiled to fair the observed data. ( 2 ), according to classical consolidation theories, an analysis model of settlement data has been built under conditions of multi - stage preloading

    針對目前存在的問題，本文主要做了以下研究工作： （ 1 ）建立了沉降觀測數據誤差處理流程，並基於光順濾波理論，對沉降觀測數據進行光順處理，編制了光順程序； （ 2 ）結合經典固結理論，建立了分級加載條件下沉降數據分析模型。
  6. With the basis of the system of nonlinear equations which is established by minimizing the error quadratic sum of theoretical and actual shaded value of the points on the typical surface, the parameters of the illumination models can be firstly determined by means of the least - square procedure

    首先，以典型曲面上各點的理論灰度值與實測灰度值的誤差平方和最小為目標建立非線性方程組，以非線性最小二乘理論為基礎，通過解非線性方程組確定光照模型各個參數值。
  7. With the basis of nonlinear least squares theory, the system of nonlinear equations is established by minimizing the error quadratic sum of theoretical and actual gray level of the points on the typical surface, and the parameters of the illumination models can be determined by means of the least - squares procedure

    以非線性最小二乘理論為基礎，以典型曲面上各點的理論灰度值與實測灰度值的誤差平方和最小為目標建立非線性方程組，通過求解非線性方程組來確定光照模型的各個光照參數。
  8. In the second part, we adopt a few typical error analysis methods, primarily including the relativity analysis and the regression analysis, to analyses the relative error and absolute error of the time error, spatial data error and statistic data error of the raw input data in the model. then, we take each influence factors in the model into the relativity analysis and the regression analysis. finally, we synthesize the results of the above error analysis to figure out the theoretic accuracy of that model as 87 %

    第二部分主要是採用幾種典型的誤差分析方法，主要包括相關性分析和回歸分析，對模型的原始輸入數據的時間誤差、空間誤差和統計數據誤差進行了相對誤差和絕對誤差的分析，然後又對模型中各影響因子進行了相關分析和回歸分析，最後綜合以上誤差分析的結果得出該模型的理論精度為87 。
  9. Transformed the six - bar guide - bar mechanism realizing linear displacement in automatic instruments into a basic rotating guide - bar mechanism, established the mathematical model of velocity approaching constant by the classical approximate synthesis theory and the modern error theory, discussedthe influences of the existent region of main mechanismic parameters on kinematic and dynamic properties, analysed the theoretical transmission ratio error, advances systematic, complete steps and methods for dimensional synthesis of this mechanism with computer aided design

    將自動化儀表中實現線性輸出的六桿導桿機構轉化為基礎轉動導桿機構，應用經典的機構近似綜合理論與現代的誤差理論，建立了速度逼近常數的數學模型，討論了主要機構參數存在區域及對運動、動力性能的影響，分析了傳動比理論誤差，提出了系統完整的計算機輔助尺度綜合的步驟與方法。
  10. The probability density function of net rainfall relative errors, flood peak discharge relative errors and the time error of the forecasted flood peak are calculated by the model developed

    通過建立洪水預報誤差分佈的最大摘模型，計算出9座典型水庫洪水預報的凈雨相對誤差、洪峰流量相對誤差和峰現時間預報誤差的概率密度函數，並將其概率密度函數曲線與正態分佈曲線進行比較。
  11. The error criterion is derived from rotation vector concept directly. in the coning motion environment, a class of rotation vector optimal algorithms are derived and evaluated with the rule of making sure of the minimum coning error. 3

    從旋轉矢量的概念出發，推導了演算法的精度準則，在典型的高動態環境? ?錐運動作為輸入條件下，以使錐誤差最小為原則，推導了旋轉矢量各階子樣演算法及其優化演算法，並與傳統的四元數演算法進行了比較； 3
  12. And typical super heterodyne structure in rereiver part. this scheme benefited to reduce frequency error and phase error, and had the advantages of good dynamic range and selectivity, short exploitation cycle and small venture in the given performance demand, etc. this system implemented a six - layer hoard rf handset model together with baseband by using advanced eda tool veribest 2000

    系統設計應用hd155131的gsm900 dcs1800雙頻解決方案，發射機部分主要採用offsetpll方案，該方案有利於減小系統的頻率誤差和相位誤差；接收機部分採用典型的超外差式結構，它具有優良的動態范圍和選擇性，在給定的性能要求下具有開發周期短、風險小等特點。
  13. With metal fatigue in material mechanics, this paper deduces the limestone fatigue curve of longmen grottoes by means of marble s one within the error permission. by the experiment elects the crucial factors of current vibration environment in longmen grottoes, the author contrasts the result of the experiment with its fatigue curve referred above and analyses the fatigue effect of longmen grottoes. finally, it is pointed out that after longmen grottoes have being suffered weathering and water - erosion more than 1500 years, the vibration environment is becoming an crucial factor leads to fatigue effect, especially in those weak surface carvings just like the crossings of several rifts, serious weathering places, etc

    借鑒材料力學中金屬疲勞破壞的研究手段，在誤差允許范圍內用大理巖疲勞曲線推導出門石窟石灰巖疲勞曲線。通過對石窟實際振動環境中典型要素的抽取和振動試驗，將試驗結果與疲勞曲線進行對比，分析了門石窟的疲勞破壞效應。文章指出，在經歷了1500多年的風化和流水溶蝕后，振動環境已成為導致門石窟某些薄弱點如多條裂隙交叉點嚴重風化酥解的壁面雕刻品等產生疲勞破壞的重要誘發因素。
  14. The main originalities of this dissertation are as follows : the dynamic error models of the typical units of measurement systems are discussed. on this basis, the theory and method are developed of the decomposition and tracing of dynamic measurement errors

    本論文的主要研究內容和創新性工作如下：研究了測量系統典型單元的動態測量誤差模型，在此基礎上，提出了動態測量誤差分解與溯源的理論與方法。
  15. Theoretically, on the basis of the analyses of the errors of typical units in measurement systems, the concept of the separating and tracing of the output errors is advanced. its methods are discussed and compared. the analysis method of generalized wavelet - neural network ( wnn ) is applied

    在理論上，首先在進行測量系統典型單元誤差分析的基礎上，論述了誤差分解與溯源的理論思想，並探討了進行動態誤差分解與溯源的方法，經過比較，確定了應用廣義小波神經網路的分析方法；然後，論述了精度損失診斷的理論與思想。
  16. The error accumulation caused by the errors of modal vectors is banished and an emendation to the classical modal model is conducted, due to the extraction of the independent contribution of each mode by means of the orthogonality of the modal filter

    通過對離散模態濾波器的改進，避免了載荷重構階段模態向量誤差引起的載荷識別誤差積累，從而實現了對經典載荷識別模態模型的校正。
  17. In chapter 2, some statistics models of radar clutters are investigated under the high resolution radar, and some relation between the input and output correlation coefficient of zeros memory nonlinearity ( zmnl ) are analyzed, then the fast numerical method ( called error controlled method ) which utilize calculating input and output correlation coefficient of zmnl is proposed

    第二章以高分辨雷達雜波模擬為研究對象，以零記憶非線性變換（ zmnl ）為研究手段，推演了幾種典型雜波在zmnl變換前後輸入輸出間非線性變換關系，提出了求解輸入輸出非線性關系式的快速數值求解方法（ 「誤差控制」法） 。
  18. This paper investigates the vibration features of various typical gearbox faults including profile error, broken tooth, symmetrical tooth wear, serious unbalance of shaft, on the base of theoretic analyses and plenty of cases. it provides guide for further gearbox - fault - automatic - diagnosis

    在理論分析和大量的工程實例基礎上，提取了包括齒型誤差、斷齒、齒輪均勻磨損、軸嚴重不平衡、箱體共振五種齒輪箱典型故障的振動特徵，為實現齒輪箱故障自動診斷提供了理論依據。
  19. In general analysis, as the limitation of assumptions of kirchhoff clas - sical plates theory, it makes error when the plates are thicker, which can ’ t meet the require - ments of engineering precision

    常規分析中的克希霍夫經典薄板理論由於其模型假定的先天缺陷，在板的厚度較大時會出現明顯的誤差而不能滿足工程精度要求。
  20. This dissertation investigated the problem for simulation of sar raw signal, focusing on the terrain - echo simulation and the product of echo data. we also discussed the influences of typical errors for the point target model and got the more real echo of point target model

    本文圍繞sar原始信號模擬展開研究，討論合成孔徑雷達地面回波的產生，產生回波數據，並針對點目標分析了影響回波的幾種典型誤差，得到了更為真實的點目標回波。
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