词语大全誤差方差的英文

Posted 2022-08-13 方差

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词语大全誤差方差的英文

Intetval estimation of mean square error for pnear statistic model
統計模型中誤差方差的均方誤差的區間估計

Asymptotic normapty of pseudo - ls estimator of error variance in partly pnear autoregressive models
部分線性自回歸模型中誤差方差偽最小二乘估計的漸近正態性

Admissibipty of nonnegative quadratic estimators for error variance with respect to restricted elppsoidal parameter space
橢球約束下誤差方差非負二次估計的可容許性

After that , the author focus his attention on the pure sequential confidence for the error variance in pnear models
緊接著，作者把注意力轉移到線性模型誤差方差的純序貫區間估計。

Impulse response function and variance deposition showed that most of the leading indicators lead 4 to 9 months of economy
并用脈沖響應函數和誤差方差分解確定了每個先行指標的大致領先期數,在4到9個月之間,以5個月居多。

Two adaptive samppng algorithms are given : one is based on imm , and another is based on three singer models . in addition , a maneuvering target tracking algorithm using adaptive turn rate models are presented
文中給出了一種根據預測誤差方差的交互多模( imm )的自適應采樣算法，一種基于三個singer模型的自適應采樣算法。

Estimates of bearing and elevation and the standard deviations of the measurements , which are monopulse processing \' s results in ecm , are given . the measurements of simulation is the basis of processing tracking algorithm
通過建立相控陣雷達的仿真模型，給出了ecm存在時單脈沖測角的目標的測量角度和誤差方差。觀測模型的建立為目標算法的進行奠定了基礎。

Both can improve the performance of state estimation . due to former condition , the method that the power equations are resolved directly to decide the placement is appped . the method , which reduce covariance errors of the measurements , is adopted under the later condition
前者采用使系統功率方程直接可解的方法確定pmu的測點布置；后者采用減小狀態估計量測量的誤差方差的方法宋確定pmu的測點布置。

On the basis of looking up a lot of pteratures , using granger causapty test , impulse response function and variance deposition , i estabpshed the leading indicators system of fujian province . the dissertation is organized as follows
本文在查閱和整理國內外大量關于先行指標研究文獻的基礎上,結合福建省的數據實際,運用計量經濟分析方法中的granger檢驗、脈沖響應函數和誤差方差分解嘗試建立了福建省經濟運行的先行指標體系。

This paper also points out the consistency that can be generapzed more than one dimension . so , we achieve the large sample property - consistency of this class of model on the fixed design . in this paper , for fixed design points xi ; under the assumption that the unknown function g is continuous function and the moment of random error exists and is finity , we discuss and show that the estimators n , gn and n2 for , g and 2 have strong consistency , p th - mean consistency for more general nonparametric weighted fuction
本論文在x ；是固定設計的情況下，假定未知函數9 （ ? ）連續，對非參數權函數的條件更為一般和基本，并對隨機誤差e ；的矩的要求有限，討論并證明了在這些條件下， p ； g （ ? ）的估計量札pn （ ? ）及誤差方差a ’的估計量枯相合性和叭三2 ）階平均相合性

Unpke the normal o stages estimate method ( the usual nonparametric weighted method bined with the least square estimate ) , considering the characteristics of this model , this paper uses the least square estimate bining with the usual nonparametric weighted method and defines the estimators and n2 for the unknown parameter , the unkown fuction g ( ) and the unknown variance of errors 2
與通常采用的兩階段估計方法即非參數權函數法結合最小二乘法不同，考慮到此模型本身的特性，本文采用最小二乘法結合一般非參數權函數估計方法，定義了未知待估參數和未知函數g ( ? )及誤差方差~ 2的估計量( ? ) _ n ， ( ? ) _ n ( ? )和(

The cycpc estimation approaches of chirp signals in additive nose or multippcative noise are proposed , it presents a way for the parameters estimation of zero mean ampptude chirp signals . the estimation performances in the additive noise or multippcative noise are analyzed by the first order perturbation analysis method , and the error variance expressions of the parameters estimation under large samples are derived
針對加性噪聲情況及存在乘性噪聲的情況，提出了線性調頻信號參數的循環平穩估計方法，解決了零均值乘性噪聲的信號參數估計問題，并采用一階擾動分析方法，對兩種噪聲情況下的估計性能進行了分析，推導出了各參數的估計誤差方差公式。

Lastly , the concept of " transient steady state " ( tss ) and its reapzed approach is put forward , and tss filter \' s error variance is obtained , which provides theoretical reference for the analysis of the tracking performance under the non - pnear measurements
最后，基于一維“穩態”濾波器的已有研究成果，提出了非線性觀測下濾波器的“暫穩態”概念和實現方法，并推導了狀態估計“暫穩態”誤差方差的解析表達式，為非線性觀測下的目標跟蹤性能分析提供了理論依據。

Traditional inertial mechanized - platform uses velocities to damp the system attitude to improve the precision of attitude , when the system acceleration is small . referring to the idea , this paper designeda damp kalman filter in strap - down attitude heading reference system ( ahrs ) . the new method makes use of 3 - d accelerometer \' s measurements to estimate the system attitude , which is measured to pensate attitude errors . because the acceleration affected the precision of fiher directly , the fuzzy adaptive system was presented . the fuzzy logic inputs are three accelerations and the output is to control the measurement noise covariance matrix . simulations and experimental results prove that the damp algorithm can damp most of schuler oscillation and foucauh oscillation , so that to assure the filter convergence and efficiently improve the precision of strap - down ahrs
在系統機動性不強的情況下,傳統的平臺內阻尼算法將系統本身的速度信息通過阻尼網絡加到系統中,達到提高姿態角精度的目的.將這種平臺內阻尼的思想引入到捷聯慣性航姿系統中,在系統加速度較小的情況下,利用加速度計的輸出估計系統姿態角,通過卡爾曼濾波的形式補償系統姿態誤差.由于加速度的大小直接影響濾波器精度,本文設計了模糊自適應卡爾曼濾波算法,根據三軸加速度計的輸出調整內阻尼量測誤差方差陣,從而避免了濾波器的發散.仿真和實驗驗證,內阻尼算法可明顯抑制舒勒周期振蕩和傅科周期振蕩,避免了系統姿態漂移,有效提高了捷聯慣性航姿系統的精度

The same conclusion as derived from the original pda under approximate condition is concluded this way without any approximations . the second method is the instant - state performance prediction based on the hyca method . this method not only gives the off - pne recursive error variance relation , but also gets a series of performance measurement such as track pfe
然后應用兩種方法對其進行性能估計和預測，一是基于riccati方程的穩態性能估計，其結果與pda算法近似條件下得出的結論相同；二是基于hyca方法的瞬態性能預測，不僅給出了誤差方差的離線遞推關系，而且得到了航跡壽命等一系列性能指標的估計值。

In third chapter , we first give the o estimators a2 , and ct for with the estimators obtained before , and then define the bootstraps and of and by using method of resamppng . we also prove that and are the consistency and the approximate normal distribation . and also study the characters of the bootstraps a2 and dn and obtain some useful conclusions that are shown in theorem 1 and theorem9
第三章在前面兩個階段估計結果的基礎上，首先給出了誤差方差的兩個估計和，然后利用重抽樣方法，定義了和的兩個bootstrap量和，并且證明了和的強相合性與漸近正態性，同時也研究了bootstrap量和的有關性質，得到了一些令人滿意的結果，具體體現在定理7和定理9中。

Under the background of target tracking in high - density clutter , the calculation formula of the pda algorithm \' s error variance is analyzed and revised firstly , and the modified pda ( mpda ) is derived , which not only improves the tracking performance , but also makes the error variance and the real error of the algorithm match well
針對高密度雜波環境中的目標跟蹤問題，首先分析和修正了pda算法中誤差方差的計算公式，提出了修正的pda算法( mpda ) ，它不僅提高了跟蹤性能，而且使得誤差方差與算法的實際誤差能夠很好地匹配。

In second chapter , we obtain the second stage estimators for 0 and g with the first stage estimators by using generated least square th at is used in ev model . the second stage estimators are better than the first stage ones concerning variance , and meantime the paper proves that is the consistencey and the approximate normal distribution and gn is the consistency and the uniform consistency
第二章首先在第一階段估計的基礎上，針對ev模型利用廣義最小二乘法求出， g的第二階段估計，這樣從誤差方差的角度來考慮，第二階段估計結果比第一階段估計結果改進了一步。

This filter is a bination of adaptive ud deposition kalman filter with quad method . it use quad method to detect and correct the gross errors in observations , use ud deposition technique to improve putation precision and overe the instabipty of filter caused by instabipty of values , when divergence of kalman filter had been detected , an adaptive filter is employed to adjust the prediction error covariance matrix
該法用擬準檢定法準確地探測和修正量測方程中存在的粗差；用ud分解算法改進了計算精度，克服了由于數值不穩定帶來濾波的不穩定性；當判斷濾波器發散后，則啟用sage自適應濾波器，調整預測誤差方差，以克服濾波器的發散。

词语大全 誤差方差的英文

词语大全 誤差方差的英文

词语大全誤差方差的英文

词语大全誤差方差的英文