均方根差 的英文怎麼說

中文拼音 [jūnfānggēnchā]
均方根差 英文
root mean square deviation
  • : 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1 (植物的營養器官) root (of a plant) 2 (比喻子孫後代) descendants; posterity 3 [數學] ...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  1. The amplitudes of the two ffts are the same, but their phases, < px and < p2, changes with the range differently

    Rao下限,在信噪比為6db , fft長度為1024的情況下,頻率估計小於fft頻率解析度的1 。
  2. Using lyapunov stability theory, it has been shown that the control scheme guarantees that all the variables of closed - loop system are bounded. moreover, the mean - square tracking error can be made arbitrarily small by choosing some design parameters appropriately

    Lyapunov穩定性分析結果表明,本文所提出的控制器保證了閉環系統內的所有信號都是有界的,通過選擇適當的設計參數,可以使跟蹤誤任意小。
  3. The device turns round at the range of 360, and locomotive block moves in linear guide in every unit zone. so optical fiber can arrive everywhere in focal plane. experiment result elucidation : the standard deviation of repeat error and positioning error less than 40 microns, the positioning precision of this system can reach demand

    用7單元機構模擬4000單元的相互關系,實驗結果表明:機構的重復性誤和目標點定位誤在定位精度要求范圍之內,能夠滿足望遠鏡快速、準確的定位要求。
  4. The equations of the mean value functions and the covariance functions are established for dynamical systems whose inputs are fuzzy stochastic processes. an existence and uniqueness theorem of ito fuzzy stochastic differential equations is proved, some explicit representations of solutions and the equations of statistical characteristics are deduced for linear fuzzy stochastic differential equations, and numerical methods to nonlinear fuzzy stochastic differential equations are proposed, the conditions for stability and observability of fuzzy linear systems are derived. the kalman filter algorithms of linear fuzzy stochastic systems are brought forward

    主要成果包括:提出了模糊隨機變量協和反向協的概念;研究了二階模糊隨機變量的收斂性,並在此基礎上得到了模糊隨機分析、平穩模糊隨機過程及其譜分解的若干定理;模糊隨機分析理論,得到了輸入為模糊隨機過程的線性系統的輸出輸入統計特徵關系程;證明了ito型模糊隨機微分程解的存在唯一性,並給出了ito型線性模糊隨機微分程解的表達式,統計特徵程以及非線性模糊隨機微分程的數值解法;得到了模糊線性系統的穩定性和可觀性條件、線性模糊隨機系統統計特徵程和線性模糊隨機系統的kalman濾波演算法;研究了當觀測值是模糊數據時,線性回歸模型的建立。
  5. A ( 9, sr ) is a function of surface roughness and radar incident angle, and b is only influenced by incident angle

    通過與實測地表土壤水分含量對比,反演結果( rmse )為0 . 44 。
  6. First, after deeply investigating help model, a harmonic related voicing detection algorithm based on mse criterion is developed, with the knowledge that voicing algorithm can be showed by degree of harmonic relation

    首先,本文通過對help演算法的深入分析,據語音信號諧波相關程度能反映濁音度強弱的性質,開發了一種基於最小準則的諧波相關濁音度參數提取法。
  7. This aberration is referred to as a “ m ” by finite element method. rms of absolute error ( rmsa ) is obtained according to displacement, moreover, the relationship graph between rmsa and pressure offers gist for controlling surface precission

    由位移計算出絕對誤( rmsa ) ,得到氣壓與rmsa為非線性的變化關系,其關系圖為通過控制氣壓來調節反射面的精度提供了依據。
  8. 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式擬合的法,分析加速度計靜態模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誤的溫度模型,應用該模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。
  9. Also, a predictive model is established with method of ssa - mem, which can be used to predict monthly mean temperature of the first half year in heilongjiang province. rms error of these two methods are both less than climatological forecast ' s, especially, independent sample is adopted in ssa - mem method

    並利用ssa - mem法建立可用於黑龍江氣溫的年度預報模型,這兩種法的預報小於氣候預報的,而且ssa - mem法是獨立樣本試驗。
  10. ( 2 ) the response characteristics of wind - induced vibration under uncertain parameters were analyzed, which suggested a simplified method for evaluating mean and standard variance of acceleration responses. compared with the results given by a form and fosm method, the suggested methods can give a more precise estimation

    ( 2 )研究了隨機參數作用下的結構風振加速度響應的分佈規律,給出了直接估計加速度響應值和的解析表達式。
  11. Second, using the method of wavelet - transform, extract the stable second - low frequency wavelet coefficient, build face database. third, for the sake of eliminating the correlations between entities of the image vector and extracting character - vector, which keeps the main class - information and can be used to rebuild original image, the principal component analysis ( pca ) was used

    對人臉庫進行主成份分析,此據人臉圖像整體的灰度相關性來提取特徵向量,所提取出的特徵向量保留了原圖像空間中的主要分類信息,並能在最小的意義上重建原圖像。
  12. The popular fidelity measurement method based on root mean squared error ( rmse ) is unable to completely reflect the details of the sensitive information of compressed grayscale images

    摘要常用的基於( rmse )圖像保真度準則不能準確地放映一些灰度圖像主要敏感細節。
  13. The software has been worked out with vc + +, which can realized " real - time " processing to airborne image sequences. at this settings the system can process 25 frames per second, and the rmse is smaller than 0. 325

    用vc + +編程實現了對航攝圖像序列的實時處理,其幀處理率達25幀秒,小於0 . 32像素。
  14. When feature point sets are extracted respectively from the two images, correspondence between the point sets is then established by a two - stage matching algorithm. this matching algorithm is based on the alignment metric and < wp = 4 > rmse ( root mean square error )

    對兩幅圖像分別提取廣義特徵點集之後,提出一種基於對齊度準則和的兩步匹配演算法完成同名控制點的建立。
  15. The first step is the spatial coordinate conversion, which converts the measurement data from the measurement coordinate system to the theoretical coordinate system. the next step is to work out the systematic distortion errors of the antenna surface. the last step is to found the antenna surface model based upon neural network, then we can get random errors of the measurement data and take the mse ( mean square errors ) as the standard errors of the random errors by statistical method

    本論文的數據處理過程主要包括:一,實現測量數據的坐標轉換,將測量數據從測量坐標系轉換到設計坐標系;二,求出天線面的變形系統誤;三,建立基於神經網路的天線面模型,求出各點的隨機誤值,用統計的法取其作為標準偏,並最終求得天線面的型面誤值。
  16. It is proved by computer simulation that the rms error of this new arithmetic is just almost 1 / 5 of that using the mean arithmetic

    通過計算機模擬計算,表明新演算法的微波相位測量結果的,近似只有平演算法的1 / 5 。
  17. A llmmse filter is designed to reduce noise based on the noise model to improve snr of images. making use of the shape and lightness characters of feature points to detect the feature p oints from images. because the accuracy of feature imaging point ' s centroid has close relationship with measuring accuracy, an algorithm based on iteration of the center of the track window is used to improve the measurement accuracy

    圍繞著提高測量精度的要求,分析了影響ccd圖像質量的三類隨機噪聲,建立局部統計特性為高斯分佈的簡化圖像噪聲模型,利用線性最小濾波器對圖像進行預處理,而後據特徵點的亮度和形狀特徵對特徵像點進行檢測,進一步在特徵像點的匹配中採用自適應的質心迭代演算法提高跟蹤精度。
  18. Experiments on gray - level and color images show that it yields results with lower root - mean - squared errors and preserves better high - frequency details such as high contrast and sharp edges

    在灰度和彩色圖像上的實驗表明該法得到的結果具有更低的,而且更好地保持了高頻空間的細節,例如高對比度和銳利的邊緣。
  19. The mean error of ssp inversion by this algorithm is less than that by mfi when the sediment parameters is known a priori. the ssp inversion by this algorithm shows a better match to the measured ssp in the step layer

    Mbi反演ssp對沉積層參數失配具有較高的穩定性,當據先驗信息確定沉積層參數后, mbi反演ssp小於匹配場反演法反演得到的結果,並且mbi反演ssp的溫躍層部分更接近實際測量ssp 。
  20. Besides the adaptive adjust of learning rate and momentum factor, this algorithm can give appropriate permitted convergence error with adaptive adjust in the course of learning. so it overcomes the faults of the controlling means used in traditional bp algorithm

    該演算法在學習過程中,除了對學習率和動量因子進行自適應調整外,還能據網路的實際訓練情況自適應確定允許的值,從而克服了傳統的bp演算法在學習過程中採用的控制法存在的缺陷。
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