統計的基數 的英文怎麼說
中文拼音 [tǒngjìdejīshǔ]
統計的基數
英文
radices- 統 : 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 ...
- 計 : 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...
- 的 : 4次方是 The fourth power of 2 is direction
- 數 : 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...
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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估計問題與傳統關系型數據庫中的查詢代價估計問題的區別,提出了一套完整的xml結構化查詢代價估計體系sxm ,包括對簡單路徑表達進行查詢代價估計的動態xml數據統計模型xmap ,對復雜路徑表達進行查詢代價估計的雙焦點例舉法,以及對值匹配條件進行查詢代價估計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估計結果結合在一起,以給出一個完整的xpath查詢的代價估計。Of cats and haruspices * : genetic intervention in the florida panther
對佛羅里達豹生存的解救? ?基因解救,數量統計的解救,或兩個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,從數理統計的角度出發,構造了一個toa和tdoa進行位置估計的數據融合模型。主要利用一種最佳線性融合策略和基於移動臺位置的動態定位演算法對toa和tdoa測量數據進行融合,有效的提高了演算法可靠性和準確度。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系統性能要求提出了基帶系統所採用的方案,由asic + dsp實現rake接收機功能和dsp + dsp實現符號級處理功能;然後從總體規劃的角度設計出asic + dsp和dsp + dsp系統硬體結構,對ic2001和dsp的主要功能模塊, hi模塊, dsp片上外設hpi口、 edma和emif總線作了分析,並結合基帶處理功能開發了系統驅動;最後由信號源發出測試數據進入系統,進行功能實現后輸出數據繪制出波形圖,對所設計的基帶系統驅動方案進行驗證分析。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
基於統計的漢語自動分詞方法存在訓練數據稀疏的問題,而人工標注工作量過大又制約著語料庫規模的進一步擴大。It is written for readers with a background knowledge of mathematics and statistics at the undergraduate level.
本書是為具有大學數學與統計學基礎知識的讀者而寫的。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的研究,基於產品平均剩餘壽命的數學描述,利用可靠性及數理統計的基礎知識,逐級推演,提出了適用於各種壽命分佈類型的產品平均剩餘壽命置信下限的一種評估方法,並結合工程實例進行了分析。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
在總體設計的基礎上,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的實現:一是重點探討了數據庫連接管理策略,因為它是決定應用系統性能的一個重要因素。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
提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求,選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化,再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法,通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍,以速度調節器和電流調節器的參數為染色體中的基因,通過遺傳演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計的參數能使系統性能指標有顯著提高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,則為合理的微蜂窩無線網路規劃、設計提供了必要條件,同時也是研究微蜂窩移動通信系統性能的前提。無線電波傳播預測的方法分為兩類:一是用沖激響應法,即根據實驗、統計所得數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的傳播預測模型。本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性,介紹了陸地移動通信系統中常用的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的局限性。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材料的高溫低周疲勞實驗數據進行了整理和統計的基礎上,得到了材料的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的圓柱形試件進行了多軸應力狀態下的材料損傷的研究,並通過數值計算方法進行了疲勞壽命評估。On the base of system design, this paper investigates the data process technology, which includes the a / d conversion and data filter
之後在系統設計的基礎上,研究了數據處理技術,主要是a d轉換,數據濾波等技術。Analysis method on the quality of examination paper based on statistics
基於數理統計的試卷質量分析方法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的計算基數與提取比例向企業和職工統一徵收退休費用,形成由社會保險機構統一治理的退休基金,再按照退休費用的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的做法,從而解決企業負擔退休費用畸輕畸重的問題,為企業的平等競爭創造條件。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數項具體事務,包括修訂人口估計和更新人口推算和相關推算的工作、二零零一年人口普查的籌備工作、加強金融統計的工作、香港科學和科技統計的發展、重訂統計數列基期的工作、以及政府統計處在電子數據交易方面的發展。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的辦法,改由社會保險機構或稅務機關按照一定的計算基數與提取比例向企業和職工統一徵收退休費用,形成由社會統一治理的退休基金,企業職工的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的退休費用負擔,為企業的平等競爭創造條件。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
在個股收益波動性的可預測性研究方面,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,然後利用數理統計的基本方法,用滾動樣本方差估計模型描述個股市場收益波動性的行為,並對三種股票日收益率序列及周收益率序列波動之間的關系以及波動預測模型對各種股盤的預測準確性進行了實證分析和結果檢驗。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的數理基礎,它以概率論與數理統計為基礎,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的未來財務收支和債務水平進行估計,使經濟安全方案建立在穩定發展的財務基礎上。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的單個組織,是構成組織人口統計的基本數量單位。在這個層面上主要研究組織的人口和生命特徵。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
本文提出了灰色統計的基本思想,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的探討與分析。 1灰色統計方法的基本思想由包含現實信息的少數據序列所表現的規律,稱為現實規律。分享友人