均方誤差模式 的英文怎麼說

中文拼音 [jūnfāngchāshì]
均方誤差模式 英文
square error pattern
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 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...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • 誤差 : error
  • 模式 : model; mode; pattern; type; schema
  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法、統計建法、隨機分析理論、最小原則等等數學理論及法有機揉合,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)分析法;再次,將這一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都較小;最後,明確黃河下游含沙量對水位的主要影響,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向。
  2. In the paper, with system energy balance method and heat conductive equations , on tne basis of short time heat transfer modeling established the long time modeling, considering heat interference in thermal well group. this paper used the finit element method for element division and computer analysis, and provided the operation temperature figure. acquired computation values agreed well with experimental results, the most difference between them was 5. 13 %

    本文採用系統能量平衡結合熱傳導程,在淺埋套管換熱器短期傳熱型基礎上建立了長期傳熱型,並考慮了管群熱干擾對型的影響。並運用有限單元法軟體編程進行離散和計算機分析,得出擬溫度場,其擬值與實測的值基本相符,兩者最大小於5 . 13 % ,表明該型具有一定的合理性和實用意義。
  3. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容敏感元件,具有高靈敏度、寬量程、非線性小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了擬分析,根據擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。
  4. The horizontal scalelength of model variables ( u. v. t, p and q ) is closely related to the average time of nmc technique and convective parameteric scheme of mm5 which affect the 12h and 24h outputs of mm5 integration

    、 、 、 t 、 p和q )對應的水平尺度與nmc法中預報的平時間長度和提供1zh和24h預報所選用的積雲參數化案有直接的關系。
  5. The system possesses the real time correcting function, which can avoid error accumulation and highly increase the forecasting accuracy ; ( 3 ) the flood control system can be multiple - scheme designed, that is, the control schemes can be designed in terms of different control ways for hydro - projects. simulated computation can be carried out to obtain multiple schemes that can be used by the leaders for decision making after risk and consequences estimation, so as to scientifically enhance th

    系統具有實時校正功能,可以避免累積,極大地提高了預報精度; ( 3 )防洪調度系統可以進行多案設計,即可以根據水工建築物不同的調度來設計調度案,並進行擬調度計算,最終生成多個案,供領導決策,提高了防洪決策的科學性; ( 4 )系統採用的數據建立在實時雨情、水情、工情和天氣預報等數據庫基礎上,預報、調度能做到快速及時。
  6. It is found that the fitting accuracy is higher and the mean relative error between fitted and standard value is less than 0. 3 %

    法的擬合精度較高,擬合值與輻射標準值的平相對在0 . 3 %以下。
  7. A batch least - squares maximum likelihood estimator is employed to calibrate the model coefficients of accelerometer and a polynomial post - fit method is used to establish temperature models of these coefficients. the temperature models of accelerometer bias and scale factor of accelerometer are established between - 20oc and 50 oc. after compensating the temperature error by using these models, the post - fit residuals of the accelerometer output have been improved to 10 ? 5 g, and the trend term of accelerometer changing with temperature basically vanished

    採用最小二乘極大似然估計和多項擬合的法,分析加速度計靜態型系數隨加速度計殼體溫度變化的規律,建立了- 20oc 50oc之間加速度計零偏和標度因數的溫度型,應用該型對加速度計溫度干擾進行補償,補償后,加速度計輸出的擬合一到二個數量級,並且基本上消除了加速度計輸出隨溫度變化的趨勢項,使得加速度計測量精度得到了明顯提高。
  8. Then we focus on decision feedback equalization ( dfe ) algorithm which is widely used in mimo signal detection. subsequently, a minimum mean squared error ( mmse ) detector based on wl detection combined with the decision feedback strategy for ca - mimo is derived. meanwhile, the issue that how to use wl detection in da - mimo system is discussed and a solved project is also presented

    本文第四章在介紹了寬線性檢測技術的基礎知識之後,著重針對mimo信號檢測演算法中使用廣泛的反饋判決檢測演算法,提出了一種基於最小準則的寬線性反饋判決集中mimo信號檢測演算法;同時,結合第三章的內容,對分佈mimo信號如何採用寬線性檢測提出了一套解決案,通過計算機擬,給出了幾種分佈mimo檢測演算法的性能;結果表明,在採用最優檢測順序的情況下,兩
  9. It shows that there is cointegration relationship between the economic growth rate and the m1 increase rate. then by using the cointegration, granger causality method, impulse - response analysis, vector error correction model with markov regime switching to test the equilibrium relationship in long run and the short fluctuation pattern in short run between the real output and m1 increase rate, it shows that monetary supply can affect the macroeconomic effectively, and the interest rate and stock market value can not affect the macroeconomic effectively

    本文研究了經濟增長與貨幣供給量、利率、股票市場等貨幣中介指標的關系,得出經濟增長率與m1增長率具有協整關系的結論,在此基礎上使用協整分析、 granger因果關系檢驗、脈沖響應分析、具有markov區制轉移的向量修正型等最新的經濟計量法,描述和檢驗了中國經濟周期波動過程中實際產出與貨幣供應量變動的長期衡關系和短期波動
  10. But the methods can only treat some simple cases, can not deal with muti - layered subsoils. therefore the mechanism of failure and the methods of estimating the ultimate bearing capacity should be further studied for inhomogeneous medium. in this paper, in - site test, model test with different scales and elastoplastic fem was performed to study the problem

    這兩種法只能解決簡單非質介質基礎的承載力問題;對于基礎介質構成較復雜的情況,計算結果往往和實際值有很大的,因此對于非質介質基礎的破壞及極限承載力的計算需要更深入的研究。
  11. As far as the general mixed - linear model is concerned, this paper explores the two - staged prediction of the linear combination about the fixed effects, and the random effects and meanwhile an approximate computation formula is derived for the mean square error of the two - staged prediction which paves the way for comparing and contrasting the advantages and disadvantages of different variance components

    摘要對一般的線性混合型,研究其固定效應與隨機效應線性組合的兩步預測問題,給出了兩步預測的一個近似計算公,為比較不同分量估計的優劣性進一步奠定了基礎。
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