weight estimation 中文意思是什麼

weight estimation 解釋
重量估算/重量估計
  • weight : n 1 重量;體重;求心力,重力,(地心)引力。2 斤兩,分量,衡,計重單位。3 (壓東西的)重物。4 砝...
  • estimation : n. 1. 估計,評價。2. 預算,預算額;概算。3. 尊重,尊敬。4. 意見,判斷。5. 【化學】估定;測定。
  1. An under estimation of the hearing effects by the low frequency noise could be happened. that is to say, even if the a - weight sound level is small, the low frequency noise may annoy to listener by the different ways from the high frequency noise. so it is necessary to understand psychoacoustics in order to make noise quality evaluations that match the subjective experience of the purchaser

    同時應用主觀評價方法?成對比較法( paircomparisonstatisticalevaluationmethods )對不同家用空調器噪聲進行主觀評價試驗,並與客觀評價結果進行了對比,結果表明:人主觀響應(煩躁程度)與各心理聲學評價指標之間均具有很高的相關性,相關系數一般均大於0 . 9 ,而與a計權聲壓級之間的相關系數只有0 . 78 。
  2. ( 3 ) on the basis of kalman filer algorithm and on the premise of two assumptions, namely, state estimation error of each sensor is dependent or independent, kalman filter weight fusion algorithm and modified track - to - track fusion algorithm are proposed, then improved algorithm is applied to the simulation of line - guidance and terminal - self guidance of torpedo

    ( 3 )基於卡爾曼濾波演算法,在各傳感器估計誤差相互獨立和不獨立兩種假設的前提下,給出了卡爾曼濾波加權融合演算法,在此基礎上,提出了修正的track - to - track航跡融合演算法,並將改進后的演算法應用於魚雷線導加末自導系統的模擬研究。
  3. Furthermore, utilizing the characteristic that filtering error covariance expresses filtering precision and the principle of information conservation, the dynamic and reasonable distribution of distributed tracks weight coefficient is accomplished. jerk model and strong tracking filter is organically assembled, and based on spatio - temporal synthetically analysis and lme, a self - learning estimation method of the system measurement variance is given. the method improves obviously the

    3 、將jerk模型與強跟蹤濾波演算法有機地結合,並利用時空綜合分析和極大似然估計的思想推導出了一種系統量測方差自學習修正方法,以優化強跟蹤濾波演算法中次優漸消因子和濾波增益的在線選擇,同時根據多傳感器數據融合具有改善濾波精度的性質,進而給出一種基於jerk模型的多傳感器數據融合演算法。
  4. In this paper, a method to evaluate hardware performance of laser detection system with the array signal estimation is proposed. and the optimally weight vector of array signal can be acquired by the doa estimating of received signals. in order to acquire the maximum output power of expected signals, summation of weight vector is applied

    提出用陣列信號源的估計來判斷激光檢測系統硬體性能;用接收信號波達角的估計得出陣列信號最佳權向量;用權向量的加權求和獲取期望信號的最大輸出功率,同時基於davidl . donoho軟閾值理論,進行多層小波降噪,重構原始路面信號。
  5. That including : based on deciding the principles of evaluation index, it establishes the index system ; and it designs questionnaires and asked experts weighing indexes. after synthesized experts " opinions, it adopts ahp to measure the weight of indexes. at last, it uses fuzzy evaluation method to estimate corporation ' s allocation of information resources, and it also analyzes the estimation result

    最後綜合運用ahp法和模糊評價方法結合實例來評價企業的信息資源配置水平:在確定評價指標原則的基礎上,建立了企業信息資源配置的評價指標體系;設計好調查表格,請專家對各指標打分,綜合各專家的意見后,用適于定性與定量相結合的比較成熟的ahp法確定各指標的權重;用模糊評價方法綜合評價企業的信息資源配置水平,並對評價的結果進行了分析。
  6. Method for estimation of molecular weight of petroleum oils from viscosity measurements

    從粘度測量估算石油分子量的方法
  7. In order to evaluate such characteristics as weight and static stability of proposed concepts effectively and conveniently during aircraft conceptual design, the implementation of center of gravity and associated weight estimation in an computer aided aircraft conceptual design system, whose data organization is object oriented, was studied

    摘要為了在飛機概念設計階段有效而便捷地評估方案重量和靜穩定裕度等特性,研究了在一個按照面向對象方式進行數據組織的計算機輔助飛機概念設計系統中進行重心及相應重量估算的措施。
  8. Secondly, the dissertation proposes a novel blind symbol - timing scheme for ofdm systems based on cyclostationarity feature of received symbols. the proposed schemes also exploits the periodicity of ofdm symbol introduced by cyclic prefix, by applying 2 - dimentional fourier transformation and choosing the appropriate correlation peak value as the symbol start location, the precision of this scheme is higher than previous conventional method. thirdly, the dissertation presents analysis with regard to channel estimation of ofdm systems. several interpolation algorithm in ofdm systems which based on pilot sequence have been analyzed in the first instance, and the influence of the channel noise on interpolation precision has discussed. the theoretic analysis and simulation results show that : the interpolation error induced by the precision of interpolation procedure itself has out weight

    第三,論文在ofdm系統的通道估計方面,先對基於導頻的ofdm通道估計中的多種插值方法進行了分析,討論了噪聲對插值精度的影響,指出插值本身的精度所造成的插值誤差遠大於噪聲所帶來的插值誤差,從而階次更高的插值演算法在實用中並非最優的;並指出插值濾波法比變采樣率演算法對噪聲的影響更為敏感,在信噪比較高時插值濾波演算法比變采樣率演算法更優。
  9. In first chapter, we define the first stage estimators for 0 and g by using kernel weight function, least square and two stage estimation under the additivity of the model, and then the paper proves that is the consistency and the approximate normal distribution, and is the consistency and the uniform consistency

    第一章首先綜合核函數法,最小二乘法,基於模型的可加性,利用二階段估計的方法求出, g的第一階段估計量,然後證明了的強相合性與漸近正態性, g _ n ~ *的強相合性和一致強相合性。
  10. The parameter of local model can be calculated by gradient descent in neighborhood with the sofm weight together, or estimated by least - squared estimation ( lse )

    局部模型的參數既可和映射網路權值一起在鄰域內採用梯度下降法修正,也可結合最小二乘法得到其最佳估計。
  11. Further more, with the knowledge of the relations between new and old samples, the article put forward the iteration algorithm of the weight in ordered samples " weighted least - square estimation, the model if good at forecasting

    其次,在新樣品與原樣品的關系確知的情況下,該文提出了有序樣品的加權估計中權重的一種迭代取法,再進行新預測,效果顯著。
  12. Estimation of the unit weight variance in nonlinear model adjustment

    非線性模型平差中單位權方差的估計
  13. Study on determining indicator weight of investment estimation assessment system on land - developing railway

    國土開發型鐵路投資效果評價指標體系權重確定方法研究
  14. Estimation of fetal weight by ultrasonic photography

    應用超聲影像技術預測胎兒體重的綜述
  15. In chapter 3, we discuss the problem of doa estimation in the presence of spatially nonstationary noise fields. an estimate of the colored noise covariance matrix is firstly given. the received data for parameter estimation is then prewhitened using the estimated noise covariance, hence, overcoming the highly biased estimates. finally, adaptive beamforming with the modified weight is also performed. computer simulations show that the proposed method can completely remedy beam distortion. 3

    在第三章討論了一種在環境噪聲為白噪聲而陣元噪聲為空間非平穩情況下的doa估計問題,給出了一種有效的估計陣元噪聲功率的方法,進而利用估計的噪聲協方差矩陣進行預處理而實現色噪聲環境下的doa估計,理論分析和模擬結果均表明了本章提出的方法的有效性。
  16. Furthermore, unlike other algorithm, it is free of the definition of weight and estimation of parameters in order to get a realistic image, it is necessary to do processing works, such as transform of plot, hidden - line elimination, illumination, texture mapping, to the 3d models constructed through interpolation

    通過插值建立它的三維模型后,要得到真實感圖像,還必須對三維模型施以繪圖變換、消隱、光照、紋理映射等處理。
  17. 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。
  18. As to the application of information fusion theory, the state fusion estimation methods are applied in the basis weight estimation of exact paper machine

    關于多傳感器信息融合理論在工業過程中的應用實際研究,論文將狀態融合估計理論應用於精密紙機的成紙定量估計中。
  19. Compared with grey relational analysis method, this one adds index weight and the method to ascertain the index weight, changes the identifying criterion, gives the method of arranging in order, so the method provided in this paper is more general, reasonable and meticulous, as a result it is more suitable for quality estimation

    與灰色關聯分析方法[ 1 ]相比,增加了指標權重及確定指標權重的方法改換了識別準則並增加了排序,使方法更具一般性、合理性和精細性,更適合於質量評價。
  20. Through conducting weight and center of gravity estimation during the process of dynamic adjustment of concepts, the adaptability and reliability of this part, as well as the flexibility of designers ' interactive controls on estimation, were validated

    通過在設計方案的動態調整過程中估算其重量和重心,驗證了該部分的適應性和可靠性,以及設計者交互地對估算的方法和結果加以控制的靈活性。
分享友人