wls 中文意思是什麼
wls
解釋
加權最小平方法-
The main works as the following : r / s analysis is introduced to improve wavelet - generalized least squares ( wls ) in order to increase the estimate accuracy of the hurst exponent
本文的主要工作和創新點如下：提出了一種針對wls （ wavelet - generalizedleastsquares ）的ar模型法的改進演算法。引入r s分析法對wls法進行改進，以提高hurst指數估計精度及濾波效果。 -
Experimental results show that wls is better than classical autoregressive ( ar ) models for 0. 5 < h < 1. it also can be seen that the disadvantage of wls is most salient for the lower of estimate accuracy of hurst exponent
本文對wls法進行了模擬研究，研究結果表明wls法對h 0 . 5的1 f噪聲的濾除作用明顯優于傳統的ar模型，但同時發現wls法對hurst指數的估計誤差較大。 -
In order to reduce the adverse influence of nlos error to location performance, this algorithm firstly makes initial mobile position estimation by mean tdoa / toa measurements, then estimates nlos error within tdoa / toa measurements by parameters of tip 1 channel model, smoothes and reconstructs tdoa / toa measurements, and finally utilizes two step wls computation. the application of this algorithm under different cellular environments is also discussed and its effectiveness is demonstrated by simulation results. finally, the basic location method, location method implementation, network architecture, signaling protocol and interface, and location procedures of wcdma network mobile location are analyzed
百臼主回大學槽士扭允生攀幢伍丈第v頁接著，通過對tdo咖a測量值誤差的分析，本文提出了一種首先利用tdo咖a平均測量值對移動臺位置進行初始估計，並利用tipi通道模型參數估計出thoafl 』 oa測量值中nlos誤差的大小，然後對tdo … a測量值進行平滑與重構，再採用兩次wls計算，以降低nlos誤差對定位性能不利影響的的定位精度提高演算法，討論了這種演算法在蜂窩網路不同環境條件下的具體實施方法，通過詳細模擬驗證了這種演算法的有效性。 -
Based on wavelet analysis, wls is the best linear unbiased estimator of regression model parameters in the context of l / f noise
基於小波技術的wls法是具有1 f噪聲的系統回歸模型參數的最佳線性無偏估計。 -
Then a dynarnic location algorithm is proposed, which firstly estimates the distance between ms and serving bs through an initial ms position estdriation, then chooses toa measurements, and finally determines the weighted factors of wls algorithm, thus resulting an improved location performance
提出了一種動態定位演算法，該演算法通過對ms第一次初始位置估計來確定ms與服務bs的距離，再選擇參與定位的toa測量值，確定wls演算法中的加權因子，從而改進了定位性能。 -
A new method of the application of wls improved by r / s analysis to the monitoring of gas - solid fluidized bed is proposed
將改進的基於wls的ar模型法應用於氣固流化床的流型辨識，提出了一種氣固流化床過程監控的新方法。 -
There were mainly two kinds of alum before 1956 in southern yunnan : " dry land + woodland " ( dl + wl ) and " paddy field + dry land + woodland " ( pf + dl + wl ). the former included two subtypes : woodland supremacy mode ( wls ) and dry land supremacy mode ( dls1 )
本文將建國時滇南的農地利用模式分為旱地+林地型和水田+林地+旱地型兩大類，其中前者包括林地為主型和旱地為主型兩個亞類，後者包括旱地為主型、山區水田為主型和壩區水田為主型三個亞類。 -
State estimation used by least square algorithm is usually done at the condition of unknown of it " s statistic property. to make the estimate error least, this paper introduce weight function and use weight least square algorithm ( wls ). the result of simulation shows that the precision of estimate result is highly enhanced and this method can satisfy the need of move and control of the power system
在不知道隨機干擾信號統計特性的情況下，採用最小二乘法對電力系統的運行參數進行狀態估計，為了使估計誤差的方差矩陣最小，本文引入權函數使用加權最小二乘法，使估計結果的準確性大大提高，模擬結果顯示，該方法完全能夠滿足電網運行和控制的要求。
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