均方差 的英文怎麼說

中文拼音 [jūnfāngchā]
均方差 英文
average quadratic error
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 方差 : dispersion
  1. 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。
  2. The software will display the snr, fwhm and rms values found

    軟體將顯示它們的信噪比，點擴展函數和均方差值。
  3. The error is related to the two rank partial derivative of the flux function to each factor and the mean variance distribution of each factor on each grid point. the statistical - dynamical parameterization scheme involves the both conditions, therefore, it is more practical for the east china moist region than the mosaic method

    另而自乞計一動刀寧腸則院含考慮了要紊的二階偏導數及其在網格元上的分佈的均方差，因而該方案比馬賽克法考慮更為周全（至少在東部涅潤區如此） 。
  4. Based on the principle of the cooperation, i. e, the correlative stochastic equations are located on the same probability level, the linear regression with fuzzy weight analysis is adopted to fit the test data, and the three - parameter stress - life curves of the mean and the mean square deviation are obtained

    根據協同原理，即相關聯的隨機方程動態地處于同一概率水準，採用模糊隨機加權線性回歸方法對試驗數據進行擬合，得到了三參數的應力-壽命模型均值和均方差曲線，從而求得在給定應力下各可靠度的疲勞壽命。
  5. During the course of the research, the criterions of the interpolation effect are mean error ( me ), mean absolute error ( mae ), root mean squared interpolation error ( rmse ) and the difference of mean square deviation between the measured and the estimated surface air temperature. the conclusions are as follows : ( 1 ) by contrasting the gaussian weighted model associated with the error modification with the gaussian weighted model, the error modification is proved to considerably ameliorate the precision of spatial interpolation ; ( 2 ) on the base of the gaussian weighted model, taking altitudinal effect into account can reflect the trend in which temperature changes according to the topographic altitude and may ameliorate the precision of spatial interpolation correspondingly and apparently, which indicates that topographical effect on the preciseness of spatial interpolation can not be disregarded in terms of the region with complicated topography ; ( 3 ) the map of daily surface air temperature distribution, using the modified gaussian weighted model a and b, can accurately reflect the temperature - changing - with - topographical - altitude trend. among them, the better is the model a, whose me is below 0. 03 ?

    在此過程中，採用平均誤差（ me ） ，平均絕對誤差（ mae ） ，插值平均誤差平方的平方根（ rootmeansquaredinterpolationerror ，簡稱rmsie ） ，插值前後測站要素值的均方差（ meansquaredeviation ，簡稱msd ）差值作為判定插值效果的標準，得出如下結論：通過高斯權重法與結合逐步訂正的高斯權重法的對比，說明結合逐步訂正方案的高斯權重法可大大提高地面日氣溫的插值精度；在高斯權重法中加入海拔影響項可以反映出溫度隨地形高度的變化趨勢，同時也能較大地提高地面日氣溫的空間插值精度，說明在地形復雜的區域，地形影響在插值精度中是不可忽略的；對于高斯權重法的兩種改進方案得到的地面日氣溫分布圖都能很好地反映出表面大氣氣溫隨地形高度的變化趨勢。
  6. By using ncep / ncar reanalysis data of height and wind, the inter - monthly lpac map, the climate lapc map, inter - annual anomaly map and mean variance map of monthly wind field of 850 and 500hpa and monthly height field of 850, 500, 150, 30hpa are calculated in a globe - belt area, which situates between 30 s and 75 n, from december 1957 to december 1997, according them we analysis the rule of the season transfer and anomaly of nh mean circulation. the results show that the climate map of lapc can describe the seasonal transfer process of large scale circulation better. the advance process of summer circulation establish is form south to north at the middle and lower level of the troposphere, that is reflected primly in the inter - monthly wind and pressure map of lapc ; at lower lever of stratosphere, the establish process is simulate to that of troposphere, and reflect of process of that the south asia high toward plateau ; at middle stratosphere the summer circulation establish begins at middle and high latitude initially, and then transmits to low latitude gradually, while the seasonal variability in mid - stratosphere is stronger than it in troposphere and low - stratosphere

    利用ncep ncar再分析高度場和風場資料，計算了30 s 75 n球帶區域1957年12月至1997年12月逐月850 、 500hpa風場及850 、 500 、 150 、 30hpa高度場月際局地型相似系數圖、多年平均圖（即氣候lpac圖） 、年際異常圖及均方差圖，在此基礎上，分析了北半球平均環流季節轉換及其異常的規律。分析表明，氣候局地型相似系數圖較好地給出了大尺度環流季節轉換發生的過程：在對流層中、下部，風、壓場月際局地型相似系數圖清楚地反映了夏季型環流建立由南向北的推進過程；低平流層夏季型環流的建立與對流層接近，其中，南亞高壓上高原過程有明顯反映：中平流層，夏季型環流的建立明顯表現為從中、高緯度開始，逐步向低緯傳播的特徵，且變化較對流層和低平流層明顯。
  7. ( 2 ). according to the system indices and requirements together with the technology characteristic, it researches the capture possibility of apt capturing system. then it introduces the common scan methods, such as raster, spiral, raster spiral, rose and lissajo. ( 3 ). it makes a detailed simulation analysis of the raster and spiral scan, analyze the connection between capture probability, capture time, system index at different capture resolution angle, capture range, vibration angle extent and terminal location distributing mean square deviation

    其中對幾個關鍵部分進行了詳細分析:計算了目標角反射器的激光雷達散射截面（ lrcs ）值，研究了qd與ccd對目標位置角度的計算方法和空間解析度; （ 2 ）根據系統指標和要求並結合現有國內技術特點研究了apt捕獲系統掃描的捕獲概率問題，然後分析了幾種常見的掃描方式:矩形（ raster ）掃描、螺旋（ spiral ）掃描，矩形螺旋（ rasterspiral ）掃描，玫瑰形（ rose ）掃描以及李薩如形（ lissajo ）掃描; （ 3 ）對分行掃描和螺旋掃描進行了詳細的模擬分析，分析了它們在不同捕獲分辨角、捕獲范圍、振動角振幅和終端位置分佈均方差時的捕獲概率、捕獲時間與系統常數之間的關系。
  8. With the idea of bus priority and from the analysis of traffic ' s characteristic of china ' s urban intersections, a multi - objective programming function is constructed to minimize not only the total delay of bus operating but also the mean square value of saturations of car flows of all phases

    考慮公交優先，並從我國城市交叉口的交通特徵出發，構造了多目標規劃函數：一是使公交總延誤最小，二是使一般小汽車交通各相飽和度之間的均方差最小。
  9. Finally, most supervised learning neural networks train themselves through minimizing mean squared error. but when the neural network models trained in this way are used to do forecasting, the existence of outliers result in great imprecision

    最後，大多數監督學習神經網路是通過最小化訓練集的均方差來訓練網路，而野值的存在導致這種訓練的神經網路模型在預測時會產生極大的不精確性。
  10. The second, we adopt the mean - squared deviation of speed as the index of dynamic stability and design an appraisal software of the performance of wire feeder. the software can not only appraise the performance of wire feeder but direct the design of speed regulating system

    其次，本文用采樣速度均方差值作為衡量送絲系統的動態穩定性指標，採用labview軟體設計了送絲機性能評估軟體，利用該軟體不但可以對送絲調速系統做出評價，還可以指導調速系統的設計。
  11. For the parameter of four kinds of distribution into the question of nonlinear programming, and proves the condition that the c. i. about parameters of the four distributions should satisfy and gives the shortest c. i. about cr2 under the confidence level 0. 90, 0. 95, 0. 99

    又給出了這四種分佈的參數在置信水平為0 . 90 ， 0 . 95 ， 0 . 99下的最短置信區間，最後給出了兩正態總體的方差比_ 1 ~ 2 / _ 2 ~ 2 、均方差比_ 1 / _ 2 ，及分佈的尺度參數，在給定置信水平1 -下最短置信區間所應滿足的條件。
  12. One point method, mean square curve method and the maximum likelihood principle to predict p - s - n curve for welded steel structures for arbitary survival rate are presented

    本文建立了任意存活率下焊接鋼結構p - s - n曲線預測的一點法，均方差曲線法極大似然法。
  13. A kind of mud based on transversal equalizer is recommended, and the performance analysis of ds - cdma systems based on that mud has been done under synchronous channels. then the expression of output signal is deduced. also, the relations among sinr of output signal, snr and correlation matrix of spread code the least mean square error ( lms ) adaptive algorithm is applied to the mud

    論文引入基於橫向均衡結構的多用戶檢測器，用矩陣方法推導了awgn通道下、同異步系統中信號輸出表達式，依據最小均方差準則，討論了同步方式下檢測器的輸出信號干擾比與信噪比、擴頻碼相關陣以及用戶功率大小等因素間的關系。
  14. The study on the distribution feature of global land rainfall for march - may during 1948 - 2001 points out that the maximum precipitation occurs in the monsoon areas, and their standard deviation is bigger in monsoon areas than the others

    分析了全球陸地3 - 5月降水量的分佈特點。指出降水量最大區域主要在季風區，而且季風區降水均方差較大，降水在緯帶分佈上有著較大的連貫性。
  15. In the condition the tracks correlation is that correlation of system tracks fusion by radar tracks and radar tracks. the tracks correlation is difference between single - sensor conditions and multi - sensor condition. we propose a practical algorithm for tracks correlation in multi - sensor multi - target condition

    在多雷達數據處理中，並不是每一部單雷達的航跡跟蹤都是用kalman濾波完成，在這種情況下不能用kaiman濾波估計誤差的均方差來計算航跡質量因子，我們給出了一種航跡質量因子的計算方法。
  16. Optimization model of networks " roughness is established. in this model, objective function is the average scedasticity of relative error for water level and discharge. with the recorded water level and tidal data, the value of roughness is optimized

    建立了以流量和水位相對均方差作為目標函數的河網糙率優化模型，並利用實測的河道水位及潮流資料，對河道的糙率取值進行了優化，所建立的糙率優化模型更加合理，計算的效率及精度大大提高了。
  17. The retrieval result shows that the collectivity direction of the two styles wind field is basically consistent, it ' s average away dispatch, average square dispatch and relative away dispatch are all small ; the distribution of the downwards draft and the upwards draft of the two styles wind field is very near, it basically reflects the construe of three - dimensional wind field

    反演結果表明：反演得到的風場和模擬的風場總體趨勢基本一致，其平均離差、均方差、平均相對離差均較小；兩者的上升氣流和下沉氣流的分佈也很接近；基本上可以反映三維風場的狀況。
  18. Quantifying the performance of image denoising schemes by using the mean square error, the performance of the robust local threshold scheme is demonstrated and is compared with the universal threshold scheme

    用均方差衡量去噪性能，實驗表明用魯棒局部閾值去噪法好於全局閾值去噪法。
  19. Minimum mean squared error

    最小均方差
  20. Robust mean square error is put forward to compare validity of the three estimation methods

    提出了抗差均方差的概念來比較各種估計方法的有效性。
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