有效估計 的英文怎麼說

中文拼音 [yǒuxiàogūjì]
有效估計 英文
efficiency estimation
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 估 : 估構詞成分。
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 有效 : effective; valid; efficacious
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  1. There are also some estimates of the efficiency of litter decomposition by basidiomycetes in pure culture.

    也有一些關于純培養擔子菌分解落葉層效力的估計。
  2. Then discusses its properties, such as biased property, relative efficiency of generalized variance and superiority comparisons between generalized ridge estimation and generalized least squares estimation. shows iterative algorithm based on the mean dispersion error

    該估計雖然具有偏崎，但其估計精度具有良好的性質，如：有偏性、方差一致最優性、相對于廣義最小二乘估計的廣義方差效率、 mde ? ?有效性等。
  3. Through the inspecting, the author selected three methods of eradiate noise ' s feature extraction. the methods include the pedigree, e - filter, fractal. in those methods, the pedigree is based on frequency field, the e - filter is based on the energy field and the fractal is based on time field

    本文作者經過考察，採用了三種前期研究中較為有效的水下目標特徵提取方法? ?基於功率譜估計的線譜特徵提取方法、基於小波分析的不同頻段內能量特徵提取方法和基於水聲信號分維特性的特徵提取方法。
  4. In order to improve the efficiency of classification based on feature matching, the method of azimuth estimation from sar image is studied. a method of target ' s azimuth estimation from sar image using peak featur e based on linear regression is proposed, besides goodish estimation accuracy and high computation efficiency, it can also provide the confidence interval of the estimation, which can meet the need of model - based sar atr system that uses feature very well

    為了提高基於特徵匹配的saratr系統的分類效率，論文進一步研究了sar圖像目標方位角估計方法，提出了一種利用峰值特徵基於線性回歸的sar目標方位角估計方法，該方法除了具有計算速度快、估計精度較高的特點之外，還能在估計方位角的同時，給出該估計的置信區間，從而能更好地滿足利用特徵基於模型saratr系統的需要。
  5. The mean effective population size could be estimated as a harmonic means of the ne.

    估計出平均有效種群大小，作為所有世代Ne的調和平均值。
  6. For leaming largerscales texts corpus by svm, it is bohant that decomposihon method optanises the svm with respect to subsets and recursively solves the whole svm. the c a estiinator based on leave - one - out test can perform emciently and effectively estiinating in term of error rate, precision, recall and f1

    針對超大規模文本庫的訓練與評估問題，採用分解演算法，迭代求解，然後利用基於leave - one - out技術的評估方法快速有效地計算錯誤率、準確率、召回率和f _ 1指標。
  7. ( 2 ) deflection upwards is programmed and estimated precisely on the concise calculation model. ( 3 ) effective methods in design and construction are provided to control over - deformation

    （ 2 ）利用簡潔有效的計算模型較精確地預估了預應力混凝土t梁的起拱度，並編制了相應的計算程序。
  8. The estimation of additive and dominance effects through qtl analysis by one - dimensional search while ignoring epistases showed similar accuracy to that by two - dimensional search by including epistases. existence of epistases could decrease the precision for the estimation of additive and dominance effects. the estimation of genetic main effects would be biased if ignoring the interaction effects of qtl x environment ( qe )

    忽略上位性效應的一維搜索qtl分析對加性效應和顯性效應的估計精度與包括上位性的兩維搜索qtl分析對這兩種效應的估計精度相差不大，上位性的存在可能會降低對這兩種效應估計的精度；忽略qtl環境（ qe ）互作效應會導致對遺傳主效應的有偏估計，而包括qe互作效應的多環境聯合分析能夠提高對遺傳主效應的估計精度。
  9. The simulation results show that two algorithms can efficiently estimate channel parameters, but the late method has better performance than the former when channel is time - variant. finally, there are conclusion and prospect

    模擬結果表明，兩種通道估計方法都能夠有效估計通道參數，而無訓練比特的迭代通道估計方法在跟蹤通道參數變化方面的性能更優越。
  10. The major characteristics of prr estimator lie in that it is a partial shrunken estimator. theory analysis and numerical simulation demonstrate that the two estimators can effectively improve the ls estimator

    通過理論分析和算例分析說明這兩個有偏估計是確能有效改進ls估計的新的有偏估計。
  11. A numerical example illustrates that the new robust - biased estimation method not only can resist the bad influence of outlier and effectively overcome the difficulty caused by ill - conditioning simultaneously, but also is far more accurate than ls estimation, biased estimation, robust estimation and generalized shrunken type - robust estimation

    通過數值實驗說明了基於擬準檢定的抗差化有偏估計確實是一種很好的估計，對消除粗差和病態性的不良影響非常有效。
  12. Study the spectral de - aliasing method of image restoration in frequency domain, and offer the improvement with block processing and recursive rstoration to some problems. at the same time, the biased estimate theory is applied in the restoration processing. these improved steps increase the value in the use of data and decrease the time of computation

    2 、研究了基於頻率域的解頻譜混疊方法，針對該方法存在的問題，分別提出了分塊重建和循環重建，提高了重建的效率；並將有偏估計用於重建理論中，提高了影像數據的利用率。
  13. 4 put forward the modified music algorithm, and compare its resolution ability with music algorithm by computer simulation. the comparison results show that the modified music algorithm not can estimate the doa of signals " that music algorithm cannot, but also can improve the estimation performance when estimating uncorrelated signals " doa

    四介紹修正music演算法，先從公式進行推導，然後再進行計算機模擬，並與music演算法的模擬結果相比較，從而說明修正music演算法不僅能估計出空間互不相關信號的doa ，還能有效估計出相干信號以及相隔比較近的小信噪比信號doa 。
  14. This paper also proposes an intelligent approach based on rsfm network to estimate the parameters of abnormal patterns such as trend slope, shift magnitude, cycle amplitude and cycle length. simulation results show the proposed network possesses advantages of quick training and good estimation performance. 3

    為了有效估計異常模式的參數值，避免不同參數估計間的互相干擾，採用多個網路分別對不同模式的參數進行估計，採用這種方法也使得整個參數估計模塊具有自適應能力，當加工過程遇到一個新的模式，在參數估計模塊相應加入一個網路對其進行訓練。
  15. The numeric simulation also shows their capability is superior to that of wavelet - domain replica correlator ( wdrc ). on the other hand, we found that for exploiting the full potential of rci, we must overcome a serious lack of matching. then we propose a multi - hypothesis rci that minimized lack of matching

    另一方面，為了減小rci檢測器與tsd通道之間的嚴重失配問題，在rci基礎上提出了多重假設的rci檢測器，該方法可有效估計tsd通道的擴展時間。
  16. But according to the concluding process of dd model, actually the residuals from dd model regression, are only the proxies of the estimations errors of current accruals. but total accruals contain current accruals and non - current accruals, so if we directly use the proxies of current accruals as the proxies of total accruals, is it correct ? jones model is usually used to calculate the abnormal accruals reflecting the extent to which the management manipulate the earnings, but the management intent to manipulate is unobservable and likely idiosyncratic and sporadic

    但從理論上分析，由於利用dd模型回歸計算殘差過程中未考慮非流動性應計，因此該殘差中未能含有非流動性應計的錯誤信息，可能會使該指標在計量盈餘質量時產生一定的噪音;對于瓊斯模型，其更多地反映的是基於管理者有一定意圖的盈餘管理，而不能有效地計量無意圖的評估錯誤，因此使用該指標也可能會在計量盈餘質量時產生一定的誤差。
  17. The comprehensive treatment of a variety of approximate boundary conditions, such as : standard boundary condition ( sibc ), generalized boundary condition and exact boundary condition, applied to electromagnetic

    阻抗邊界條件為分析塗敷目標的散射特性、評估不同塗敷形式的效果優劣提供了簡捷而有效的計算方法。
  18. First, the mean - squared - error ( mse ) of the estimated position and the expectation of the error in estimated coordinate are calculated, based on which the performance of

    這兩種方法在接收信號數大於天線陣元數時均能有效估計期望用戶的定位參數。
  19. Aiming at this problem, particle filter is studied. combination filter algorithm is constituted using ukf and improved particle filter ( upf ), and missile ’ s states with noise increase are estimated

    針對這個問題，研究了粒子濾波演算法，利用ukf和改進的粒子濾波（ upf ）組成聯合濾波估計演算法，可以有效估計具有噪聲增大時導彈主動段運動狀態。
  20. Different amofocus algorithms were used to compensate the motion errors of airbome sar data, their merits and defects were represented according to the comparison and analysis of the imaging results

    Gradientautofocus ）對任意階相位誤差均能有效估計，不過每種方法都有各自的優缺點。
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