estimation of parameters 中文意思是什麼

estimation of parameters 解釋
參數估計
  • 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。
  • of : OF ＝Old French 古法語。
  • parameters : 編輯特徵參數
  1. Estimation of the parameters function in normal distribution

    正態分佈參數函數的估計
  2. The least square estimation in linear model is used to derive the two - stage estimation of the item parameter vector 1 of j th item as follows : noting that xj consists of the nuisance parameters s, j, j, were updated so that the estimation of 6 s could be renewed

    修正進而修正x _ j和，從而形成一種新的估計方法?雙重兩步迭代估計蒙特卡洛模擬結果顯示，雙重兩步迭代估計提高了估計對真值的恢復能力。
  3. Abstract : since the multiple failures situation is not uncommon in the clinical medicine, we explore the use of proportional odds model to the multivariate interval - censored data. the approach is based on the conditional logistic regression, which prevents the complications in the existence of nuisance parameters. the estimation of parameters is obtained by the newton - raphson algorithm. the sandwith estimator for the covariance is made according to the situation where there is correlation in the score statistic. simulations are also presented to assess the accuracy of the procedure

    文摘:探索比例優勢模型在臨床醫學中常見的多結局區間截斷數據中的應用.用條件的邏輯回歸方法避免討厭參數的估計，用牛頓-拉普森演算法估計回歸系數，用"夾心方差"估計量作為參數方差的估計.通過隨機模型檢驗模型應用的有效性
  4. Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range

    因此本文第二章基於組合學方法和極限思想研究了矩形區域內節點均勻分佈的無線自組網的幾項基本屬性，網路中鏈路總數的期望值，網路中節點度數分佈情況，以及網路連通性與無線信號傳輸半徑的關系等，得出了其解析描述。
  5. The main content of this dissertation can be concluded as following : a ) on the base on discussion of sar high resolution and theoretical imaging model, sar signal processing is analyzed in detail. range immigration and estimation of doppler parameters are also involved during discussing space - borne sar imaging and processing. a good result is obtained in the course of processing seasat and x - sar raw data

    在討論了sar二維高分辨力機理和sar成像理論模型的基礎上，針對sar成像信號處理，分析成像處理的基本原理，和星載sar成像處理中的距離遷移校正和多普勒參數估計等關鍵問題，編制了處理程序，對seasat ， x - sar的原始數據進行了試驗，得到滿意的效果。
  6. Based on an m - estimation principle, a robust estimator of parameters of systematic errors model is introduced in every surveying line

    4 、基於抗差估計理論，討論了航空重力測量系統誤差模型參數的抗差m估計方法與實現。
  7. Compared with the pressure hydrophone, vector transducer can provide both the information about pressure ( scalar quantity ) and particle velocity ( vector quantity ) of the sound field, which offers more possibilities for signal processing. so vector transducer and its signal processing have attracted the attention of researchers both native and foreign. in this thesis, a method of correlation equations for pressure gradient transducer is presented, and the estimation of multi - signal parameters with single vector transducer is given

    與傳統的聲壓水聽器相比，矢量水聽器既能獲得聲場中的聲壓這一標量信息，又能獲得聲場中質點振速這一矢量信息，這為其信號處理帶來更大的空間，因此矢量水聽器及其相應的聯合信息處理技術日益成為國內外科技工作者們研究的熱點。
  8. Parameter estimation of exponential distribution with two parameters under type i censoring sample

    定時截尾場合下雙參數指數分佈的參數估計
  9. Liu jing ? wan. establishment of a finger microcirculation volume blood flow modeland estimation of mod el parameters j. journal of beijing institute of civil engineering and architecture, 2004, 20 ( 1 ) : 4551

    劉靜紈.指端微循環容積脈搏血流模型的建立及模型參數的辨識j .北京建築工程學院學報， 2004 ， 20 （ 1 ） : 4551
  10. Secondly, the paper researches blind estimation of signals parameters, including the carrier frequency, signal to noise ratio and symbol rate of digital modulations. thirdly, with the combination of parameters from early studies on the decision theory, a set of robust feature parameters are extracted from signal power spectrum and the power spectrum of the second and fourth power of signal. based on these parameters, the proposed scheme is able to recognize 12 types of common used modulations, namely ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb 、 fm

    接著，對信號功率譜、平方譜及四次方譜進行研究，針對通信中常用的調制方式，結合前人提出的基於決策理論中的特徵參數，設計了一組對信噪比和信號調制參數不敏感的分類特徵參數，利用上述參數完成了一種基於信號頻域的識別方法，可以對ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb和fm這12種常用調制方式進行識別。
  11. The estimation of frequency offset is based on pilot symbols and non - pilot symbols. this paper also discusses some parameters in the method and gives the way of compensation. to get the estimation method of doppler spread width, we model the rayleigh channel based on the conclusion of gans ’ spectrum analysis based on clarke model

    其中頻偏估計採用一種基於導頻符號和去極性非導頻符的方法進行估計，並通過試驗環境驗證了此方法，並確定了這個方法中的參數的取值，在此基礎上介紹了本系統中的頻偏補償方法。
  12. Then, with the concept of accumulated failure probability, the proposed approach combines the least ? quares method with bayes " theorem, takes advantage of the parameter estimation for single weibull distribution to each derived subgroup data set, and estimates the parameters of each subpopulation. the estimates given by this paper also satisfy the maximum likelihood equation. the mean time to failure and the reliability estimation of the mixed population are given

    然後通過利用累積失效概率等概念，對每個導出的子組數據集聯合運用最小二乘法、貝葉斯定理和對單一威布爾分佈的參數估計法，從而得到每個子總體的滿足極大似然原理的參數估計，給出了該混合總體平均壽命和可靠度的估計。
  13. Equation of predator functional response and estimation of the parameters in it

    捕食性昆蟲的功能反應方程及其參數的估算
  14. Choice of slit - type bucket parameters and estimation of scour hole depth

    一級直線邊墻窄縫挑坎參數選擇與沖坑深度估計
  15. Typical estimation of kinematic parameters ( cruising speed, wave speed, wave length and frequency ) based on experimental data of the cruising specimens indicates there is significant correlation between cruising speed and other parameters

    在實驗觀測的基礎上，根據實驗樣本的形態及運動規律，建立了背鰭/背臀鰭波動推進模式的運動學方程。
  16. ( 2 ) focus on the point estimation of parameters under type - life testing based on step - increasing data

    （ 2 ）研究了逐次型截尾場合下參數的點估計。
  17. For example, the weakness in metals etc. caused by repeated stress. this article gives the point estimation of parameters based on tampered failure rate model for weibull distribution under step - stress accelerated life testing

    本文是針對損傷失效率模型（ tfr ）模型就weibull分佈產品在步進應力加速壽命試驗下研究了參數的點估計。
  18. These years wavelet theory has been widely applied in underwater signal processing. whereas its excellent time - frequency localization, this dissertation takes continuous wavelet transform ( cwt ) as research tool and devoted to systematic research and deep exploration of two aspects in underwater signal processing field - estimation of parameters and target classification and identification

    近年來小波分析在水下信號處理方面的應用得到了長足的發展，鑒于其良好的時頻局部化特點，本文將基於連續小波變換的時頻分析作為工具，就參數估計和目標識別兩方面的問題做了系統研究和深入探討。
  19. ( 2 ) the point estimation and interval estimation of parameters under type - censored case and the point estimation of parameters based on the missing data and grouped data are obtained, respectively

    （ 2 ）定時截尾場合下參數的點估計和區間估計以及缺失數據和分組型數據埸合下參數的點估計。
  20. 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。
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