統計估計 的英文怎麼說

中文拼音 [tǒng]
統計估計 英文
statistical estimate
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 估構詞成分。
  • 統計 : 1 (對有關數據的搜集、整理、計算和分析) statistics; census; numerical statement; vital statistic...
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著,對自適應調制系中的通道問題難點,詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然( ml )和最大后驗概率( map )演算法,針對平衰落通道,我們模擬了map和ml的方差與導頻符號長度的關系,模擬結果表明,錯誤方差受多譜勒頻率的變化影響最大,並且對實際的自適應調制系,導頻符號長度的取值超過20個符號長度時, map通道明顯優于ml通道
  2. Apply minimum cross - entropy spectral estimation to verify simulation models for antitank missile systems

    最小交互熵譜在反坦克導彈系模擬模型驗證中的應用
  3. Joint angle and delay estimation based on uniform circular array in cdma system with aperiodic spreading code

    非周期擴頻系中基於均勻圓陣的角度和時延的聯合
  4. For many applications these simple ideas alone lead to a sufficient appraisal of the statistical error.

    對于許多的應用來說,單憑這種簡單的觀念就可以充分地誤差。
  5. A unified linear fusion model for information fusion estimation is proposed, and it can describe varied information including measuring information, apriority information, forecasting data and estimation information, and it lays a foundation for the theory frame of information fusion estimation

    提出信息融合一線性融合模型,使測量信息、先驗信息、預測信息以及狀態信息等均可用一融合模型進行描述,為建立信息融合的理論框架奠定了基礎。
  6. Using his data from 1830 - 1995 with statistics, the hyperbola and its asymptotes, he estimated 47 new ( species ) of sea monsters are still undiscovered

    帕克斯頓利用學、雙曲線以及它的漸近線,分析他收集的1830年與1995年之間的數據,還有47種新海洋怪獸有待我們去發現。
  7. Third, this dissertation analyzes the complicacy of result size estimation problem for xml structure based query optimization compared to its counterpart in traditionally relational database, and proposes a full - featured result size estimation algorithm for xml query, sxm. for simple path expression query, this dissertation proposes a dynamic synopsis model for xml data based on the concept of f - stable and b - stable, xmap. for complicated path expression query, this dissertation adopts an improved bifocal sampling method for result size estimation

    第三,分析了xml結構化查詢優化中的查詢代價問題與傳關系型數據庫中的查詢代價問題的區別,提出了一套完整的xml結構化查詢代價體系sxm ,包括對簡單路徑表達進行查詢代價的動態xml數據模型xmap ,對復雜路徑表達進行查詢代價的雙焦點例舉法,以及對值匹配條件進行查詢代價的基於小波的多維直方圖方法,並能將多種查詢表達的查詢代價結果結合在一起,以給出一個完整的xpath查詢的代價
  8. In the presented method, the point estimations of the model parameters, aandb in the new model, are given by the least square method. the confidence interval for the parameter b is given as well. an engineering illustration is used to compare the result of the presented method with those of amsaa - bise model and duane model

    該模型充分考慮了增長過程中的各種可得信息,採用非參數方法得到多臺系在各同步停止試驗時刻的可靠度,並利用最小二乘法擬合求得該模型中參數a , b的點值,以及b的置信限。
  9. Through matlab simulations, this improved algorithm can not only achieve the same resolution ability as the conventional music algorithm in ideal conditions, but also acquire the resolution ability and estimation precision that music algorithm can ’ t obtain in the nonideal condition of so - called signal eigenvalue leakage

    通過matlab模擬,該改進方法不僅可以在理想情況下取得和傳music演算法一樣的分辨力,而且在所謂的信號特徵值泄露的非理想情況下可以取得傳music演算法不能達到的分辨力和精度,同時一定程度上減小了運算量。
  10. In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on

    本文把洛塔現存植被分為自然植被與栽培植被兩大類進行研究,通過遙感技術對現存植被按針葉林、闊葉林、密灌、灌叢、草灌、荒草裸巖、農作物植被等類型進行分佈面積的,在此基礎上,以林產品價值、涵養水源價值、保護土壤價值和凈化空氣價值作為算的主要參考依據,對已成林的針葉林與闊葉林進行森林生態系的價值算,得出面積為1388 . 8hm ~ 2的針葉闊葉林的森林生態價值為1836 . 37萬元,參照這一生態價值量,把洛塔植被按常綠落葉林、針葉林、針闊混交林、闊葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物,以每hm ~ 2的價值量提出了洛塔植被的綜合價值體系。
  11. Two statistical methods to estimate intertemporal substitution elasticity of consumption of china

    中國消費跨期替代彈性的兩種算方法
  12. A consumer price index is a statistical estimate of the movement of the prices of goods and services bought for consumption purposes by households

    消費價格指數是針對家庭消費品和消費服務的價格變動所作的統計估計
  13. The method that increases the attitude accuracy of strapdown inertial attitude and heading reference system ( siahrs ) with the infromation from inertial measurement unit ( imu ) its own is studied. according to the design idea of damping network in platform type, damping kalman filter in siahrs is designed to enhance the attitude accuracy via integrating attitude calculated by common siahrs and that estimated by accelerometers. in order to evaluate the effectiveness of damping attitude, the vehicle ' s movement should be detected in real - time. for this reason, the state chi - square test is employed in the damping kalman filter, and the failure detection vector are tested, which improves the sensitivity and reliability of failure detection. finally, static and dynamic experiments of actual system demonstrate the effectiveness of the proposed method

    本文探討了如何利用慣性測量組合本身的信息來提高捷聯航姿系的姿態精度.根據平臺式阻尼網路的思想,設了捷聯式內阻尼卡爾曼濾波器,將慣導系捷聯解算獲得的姿態與加速度的姿態進行組合,在系非加速度狀態下,提高了姿態輸出的精度.為了實時監測系的運動狀態從而判斷內阻尼姿態的有效性,本文成功將狀態2檢驗法應用在內阻尼卡爾曼濾波器中,設了基於2個狀態傳播器的故障監測器,並通過對故障檢測向量元素的檢驗代替對整個向量的檢驗,提高了故障監測的靈敏度和可靠性.最後,實際系的動靜態實驗驗證了本文所提出的方法的有效性
  14. Method for statistically estimating the volume fraction of phases and constituents by systematic manual point counting with a grid

    通過系人工格點算相位和成分的體積分數方法
  15. By 2000 year ' s end foreign trades exportation power enterprise altogether 182, 000 statistics estimate, chinese foreign trade specialized talented person most unusual 1. 8 million

    以2000年底外貿出口權的企業共18萬2000家的算,中國外貿專才最少有180萬名。
  16. The estimate - method is advantaged in considering the geology and engineering condition, low cost, short period and simple manipulation, in addition because the estimate - method adapt to statistical estimate, the problem of difficult representing geology can be resolved

    經驗算方法的主要優點是在算過程中可以考慮地質環境及工程條件,而且費用低、速度快、簡單易行,適合算,能較好解決試樣代表性問題。
  17. After each row has been evaluated, the column can be summed to create an evaluation score

    對每行特性進行評之後,就可以對列進行算得分了。
  18. In addition, all the var methods focus on the central observations or, in other words, on returns under normal market conditions. however, var is a risk measure that relates solely to the tails of the distribution

    另外,所有的傳var方法都是集中在位於分佈中部的觀測值,即正常條件下的回報,但尾部才是var算中所最關心的。
  19. Integrating multirate signal processing theory and classical spectrum estimation theory, a brand new multiresolution spectrum theory is provided and a special algorithm is discussed in great detail. the polyphase decomposition theory is also applied to optimize the algorithm and improve the computing efficiency

    本文結合多抽樣率信號處理理論和傳理論,提出了嶄新的多分辨譜理論,並給出了具體的實現演算法,解決了譜中如何達到頻率解析度和時間解析度的最佳組合的問題。
  20. Comparing to other conventional doa algorithms, simulation experiments illustrate the potential performances of the proposed algorithm

    與傳doa方法的對比試驗表明了這種方法具有良好的方向性能。
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