統計的基數 的英文怎麼說

中文拼音 [tǒngdeshǔ]
統計的基數 英文
radices
  • : 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...
  • : 4次方是 The fourth power of 2 is direction
  • : 數副詞(屢次) frequently; repeatedly
  • 統計 : 1 (對有關數據的搜集、整理、計算和分析) statistics; census; numerical statement; vital statistic...
  1. 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結構化查詢優化中查詢代價估問題與傳關系型據庫中查詢代價估問題區別,提出了一套完整xml結構化查詢代價估體系sxm ,包括對簡單路徑表達進行查詢代價估動態xml模型xmap ,對復雜路徑表達進行查詢代價估雙焦點例舉法,以及對值匹配條件進行查詢代價估於小波多維直方圖方法,並能將多種查詢表達查詢代價估結果結合在一起,以給出一個完整xpath查詢代價估
  2. Of cats and haruspices * : genetic intervention in the florida panther

    對佛羅里達豹生存解救? ?因解救,解救,或兩個
  3. Then we present a toa / tdoa data fusion model based on mathematical statistics for radiolocation in cellular network, and fuse toa / tdoa measurements through a best linear fusion method and a mobile position based dynamic location algorithm, which shows good performance of robustness and accuracy

    然後,從角度出發,構造了一個toa和tdoa進行位置估據融合模型。主要利用一種最佳線性融合策略和於移動臺位置動態定位演算法對toa和tdoa測量據進行融合,有效提高了演算法可靠性和準確度。
  4. First, this paper gives a method, which is utilized by baseband system according to wcdma system capability requirements, using asic + dsp to realize raker, using dsp + dsp to realize symbol process. the hardware structure of asic + dsp and dsp + dsp is designed from the whole design view. then, the discussion is made of the main function module of ic2001 and dsp, hi module, dsp peripherals on chip such as hpi, edma and emif

    文章首先結合wcdma系性能要求提出了帶系所採用方案,由asic + dsp實現rake接收機功能和dsp + dsp實現符號級處理功能;然後從總體規劃角度設出asic + dsp和dsp + dsp系硬體結構,對ic2001和dsp主要功能模塊, hi模塊, dsp片上外設hpi口、 edma和emif總線作了分析,並結合帶處理功能開發了系驅動;最後由信號源發出測試據進入系,進行功能實現后輸出據繪制出波形圖,對所設帶系驅動方案進行驗證分析。
  5. The method based on statistics has the problem of training data ' s rarefaction, and what restricts the more progress of corpus is the too large workload of manual tagging

    漢語自動分詞方法存在訓練據稀疏問題,而人工標注工作量過大又制約著語料庫規模進一步擴大。
  6. It is written for readers with a background knowledge of mathematics and statistics at the undergraduate level.

    本書是為具有大學學與礎知識讀者而寫
  7. According to the study of unrepairable product residue mean life, based on the mathematical description of the residue mean life and the basic knowledge of reliability and mathematical statistics, a method is deduced to assess the confidence lower limit for the mean residual life, and an engineering instance is analyzed

    通過對不可修復產品平均剩餘壽命研究,於產品平均剩餘壽命學描述,利用可靠性及礎知識,逐級推演,提出了適用於各種壽命分佈類型產品平均剩餘壽命置信下限一種評估方法,並結合工程實例進行了分析。
  8. Since " a reasonable database connection management is important to the performance of an enterprise application, jdbc connection technologies were discussed in - depth. then with the core strategy : connectin reuse, a reasonable and efficient database connection pool was built, avoiding the freewheeling and ruless use of connections

    在總體設礎上,對以下兩個關鍵技術以及技術難點給出了解決方案和具體實現:一是重點探討了據庫連接管理策略,因為它是決定應用系性能一個重要因素。
  9. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種於遺傳演算法直流雙閉環調速系優化設方法.根據工程技術要求,選用速度超調量和過渡時間作為參優化性能指標.將該指標用模糊隸屬度函歸一化,再加權平均形成系優化模型目標函.採用算機算方法,通過模擬獲得系對應參動態響應曲線及其性能指標.最後以工程設為搜索范圍,以速度調節器和電流調節器為染色體中因,通過遺傳演算法在搜索范圍中優化這些因,獲得優化解.實驗結果表明,所設能使系性能指標有顯著提高
  10. In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods

    而精確預測無線電波傳播路徑損耗特性,則為合理微蜂窩無線網路規劃、設提供了必要條件,同時也是研究微蜂窩移動通信系性能前提。無線電波傳播預測方法分為兩類:一是用沖激響應法,即根據實驗、所得據建立經驗性傳播預測模型;另一種是用射線跟蹤方法,即依據理論分析來建立確定性傳播預測模型。本文首先討論了在地球表面均勻大氣中無線電波傳播本特性,介紹了陸地移動通信系中常用幾種電波傳播路徑損耗經驗性預測模型,並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究局限性。
  11. Based on the experimental data of rotor steel 1crmov in the loading of low - cycle fatigue at high temperature, the strength behavior and the fatigue life curve of this material at 550 have been achieved. meanwhile, with respect to three kinds of notched bar, their material damage assessment method under multiaxial stress condition is discussed

    本文在1crmov材料高溫低周疲勞實驗據進行了整理和礎上,得到了材料疲勞強度特性曲線和疲勞壽命曲線,同時對三種不同缺口形式圓柱形試件進行了多軸應力狀態下材料損傷研究,並通過算方法進行了疲勞壽命評估。
  12. On the base of system design, this paper investigates the data process technology, which includes the a / d conversion and data filter

    之後在系礎上,研究了據處理技術,主要是a d轉換,據濾波等技術。
  13. Analysis method on the quality of examination paper based on statistics

    試卷質量分析方法
  14. Specific measure is social insurance device unite to enterprise and worker according to fixed computational cardinal number and extraction scale collect emeritus fee, form the emeritus fund that consolidates management by social insurance device, extend according to the real need of emeritus charge again retired worker, in order to change emeritus charge complete by the practice of this company load, solve company load thereby the problem of emeritus charge attach too much weight to this and too little weight to that, the equal competition that is an enterprise creates a condition

    具體辦法是社會保險機構按照一定與提取比例向企業和職工一徵收退休費用,形成由社會保險機構一治理退休金,再按照退休費用實際需要發放給退休職工,以改變退休費用完全由本企業負擔做法,從而解決企業負擔退休費用畸輕畸重問題,為企業平等競爭創造條件。
  15. The board also considered several specific items at the meeting. these included revision to population estimates and updating of population projections and related projections ; preparations for the 2001 population census ; enhancements to financial statistics ; development of science and technology statistics for hong kong ; rebasing of statistical series ; and development of electronic data transactions in the census and statistics department ( c & sd ). general review of statistical activities and developments

    委員會在是次會議上討論了項具體事務,包括修訂人口估和更新人口推算和相關推算工作、二零零一年人口普查籌備工作、加強金融工作、香港科學和科技發展、重訂工作、以及政府處在電子據交易方面發展。
  16. Specific measure is, change enterprise loses a this business severally the method of emeritus cost, change to be united to enterprise and worker according to fixed computational cardinal number and extraction scale by social insurance device or tax authority collect emeritus fee, form the emeritus fund that consolidates management by the society, the emeritus charge of company worker extends directly by social insurance device, or entrust bank, post - office generation hair and entrust an enterprise to extend, in order to achieve balanced with the emeritus expense burden that reduces an enterprise, the equal competition that is an enterprise creates a condition

    具體辦法為,改變企業各自負擔本企業退休費辦法,改由社會保險機構或稅務機關按照一定與提取比例向企業和職工一徵收退休費用,形成由社會一治理退休金,企業職工退休費用由社會保險機構直接發放,或委託銀行、郵局代發以及委託企業發放,以達到均衡和減輕企業退休費用負擔,為企業平等競爭創造條件。
  17. The paper accounts the importance and the necessity of the forecasting research to the stock return volatility of our country, and the use in practice of the forecasting about the stock return volatility, firstly, stock market of our country is divided into large scale stock 、 middle scale stock and small scale stock on the basis of stock size. secondly, according to the basic method of the mathematical statistics , the behavior of the return volatility about single stock is described by using the model of the rolling variance estimates 。 through the relation of daily returns volatility and weekly returns volatility and the forecasting accuracy of the volatility forecasting model to various stock scale , we do practical analysis with the forecasting research to return volatility of single stock market

    在個股收益波動性可預測性研究方面,首先按市值規模大小將我國股票分為大盤股、中盤股和小盤股,然後利用本方法,用滾動樣本方差估模型描述個股市場收益波動性行為,並對三種股票日收益率序列及周收益率序列波動之間關系以及波動預測模型對各種股盤預測準確性進行了實證分析和結果檢驗。
  18. All this is to be done through actuarial science takes probability theory and mathematical statistics as its standing point, evaluates the outcome of risky events, the future financial balance as well as debt level for various economic programs. in this way, the actuarial science can help us put these programs onto a safety financial basis for future development

    精算科學是現代保險業和社會保障事業建立和正常運作礎,它以概率論與礎,與人口、社會、經濟有關科學相結合,對風險事件進行評價,對各種經濟安全方案未來財務收支和債務水平進行估,使經濟安全方案建立在穩定發展財務礎上。
  19. Organization individual is a single organization from the demographic meaning, it is the basic numeric unit of organization population, from this aspect we study demographic and life characteristics of organizations

    組織個體指構成組織人口單個組織,是構成組織人口量單位。在這個層面上主要研究組織人口和生命特徵。
  20. This paper put forward the fundamental idea of gray statistical method and made some exploration on theory and practical application of gray principal component analysts and gray factor analysis, 1 the fundamental idea of gray statistical method the nature included in less - data sequence is called available nature

    本文提出了灰色本思想,從灰色主成分分析和灰色因子分析兩方面進行了理論和實證探討與分析。 1灰色方法本思想由包含現實信息據序列所表現規律,稱為現實規律。
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