probability sample 中文意思是什麼

probability sample 解釋
概率試樣
  • probability : n 1 或有；或然性。2 【哲學】蓋然性〈在 certainly 和 doubt 或 posibility 之間〉。3 【數學】幾率，...
  • sample : n 1 樣品，貨樣。2 標本；榜樣，實例。3 【統計】典型取樣，抽檢查。4 【電訊】信號瞬時值。5 【冶金】 ...
  1. Failure probability of coarse aggregates ( pfca ) could be a sample index durability evaluation of concrete in compressive strength test, where pfca was the ratio of number of total particles to which of the broken ones of coarse aggregates in the failed faces of a concrete specimen

    混凝土抗壓試驗中，粗集料破碎率p _ （ fca ）可以作為混凝土耐久性的一個簡要評價指標，其定義為試件斷裂面上破碎的粗集料顆粒數與暴露的粗集料顆粒總數之比。
  2. Probability distribution of order statistics for two - dimensional sample

    二維順序統計量的概率分佈
  3. Inaccuracies in survey data attributable to “ the luck of the draw " in creating a probability sample

    在產生概率抽樣時由於抽樣不足而造成的數據偏差
  4. A one - stage probability sample in which every member of the population has an equal chance of selection

    一種單一步驟概率抽樣法.人口中的每一個人都有同等的被抽取的機會
  5. A kind of probability sample in which a set interval is applied to a list often population to identity elements included in the sample ( e. g., picking every 10th name )

    一種概率抽樣.以一定的間隔來從人口名單中抽取所需的樣本（如:每隔10個人抽取一次）
  6. That is firstly establishing the body characteristic image and character data - base of every breed at the newly - hatched silkworm stage by anatomical microscope and photography equipment, and then comparing the body characteristic of the silkworm breed to be identified with the corresponding characteristics of every breed having known in the data - base, and making a statistic deduction on the inspectional results in the light of probability distribution theory and sample deduction method

    不同蠶品種具有不同的蠶體顏色、斑紋、斑紋顏色和形狀、體型等形體特徵，這種形體特徵與4 、 5齡大蠶的形體特徵不同，據此發明了一種根據蟻蠶期形體特徵檢驗蠶種雜交率的方法。
  7. Then, with respect to the objective of minimizing the total experimental cost, the optimal test plan ( including the sample size, inspection frequency, and the termination time needed by the classification rule for each of competing designs ) is derived by solving a nonlinear integer programming with a minimum probability of correct classification and a maximum probability of misclassification

    首先，我們提出一種具直觀優點的分?法則，然後以總試驗成本的最小化為目標，並賦予一正確分?的最小機?要求和錯誤分?的最大容許機? ?個限制條件，以決定出在所提出的分?法則下，各競標設計樣式所需的樣本? 、 ?測頻?和試驗終止時間的最佳組合。
  8. The thesis mainly recounts the detail questions about bayesian small sample theory and the important applications of the theory in engineering, and gives sufficient analyses and discussion of every step of accomplishing a precision evaluation when using small samples. in the thesis, the following issues are contained, such as how to get and denote the prior information, the consistence test of prior information and test samples of shooting range, the fusion of multi - source information, calculating of posterior probability, estimation with bayesian approach, how to constitute test evaluation project of different performance and calculate the risks of both sides are contained, and at last a kind of applied method to calculate the effectiveness is given

    論文主要敘述了有關bayes小樣本理論的一些具體問題，以及該技術在工程中的一些關鍵應用，對小樣本條件下精度鑒定的各個環節給予較充分的分析和討論，其中包括驗前信息的獲取、表示，驗前信息和靶場試驗樣本的一致性檢驗，多源信息的融合，驗后概率的計算， bayes方法在估計中的應用，試驗鑒定方案的制定，對不同戰標的評估方法和風險的計算等，最後對作戰效能的計算給出了一種工程中較實用的方法。
  9. Comparing with non - bnyain methods, it ' s prominent featares lay in that it combines the prior and posterior information, which avoids the disadvantag of subjective bias caused by simply using the prior information only, of blind search caused by the incomplete sample information, of noise affection caused by simply using the sample information only if we choice a suitable priof, we can conduct the bayesian leaming effectively, so it fits the problems of data mining and machine leaming that possess charaters of probability and statistics, especially when the samples are rare

    與非貝葉揚方法相比，貝葉斯方法的特出特點是其學習機制可以綜合先驗信息和后驗信息，既可避免只使用先驗信息可能帶來的主觀偏見，和缺乏樣本信息時的大量盲目搜索與計算，也可避免只使用樣本信息帶來的噪音的影響只要合理地確定先驗，就可以進行有效的學習。因此，適用於具有概率統計特徵的數據採掘和機器學習（或發現）問題，尤其是樣本難得的問題
  10. The survey data were collected from a random sample of 496 ninth grade students in 15 probability proportionate multistage cluster classes in taichung city and county, taiwan in 2005

    本研究資料得自2005年臺中縣市的496位依縣市接近等比例、鄉鎮市區及學校不重復原則的15個接近等比例、叢集隨機班級樣本。
  11. In this paper, an approach of the systematic artificial neutral net was introduced into the analysis on the ship - against - bridges probability with a computer programs. based on the basic data of the present 12 typical bridges as the sample, 4 chief influential factors as the input coefficient, such as the bridge span, the water flow rate, the incline angle between water flow direction and the direction normal to bridge axis, and the curve in the course near the bridge area, with the ship - against - bridge probability as the output coefficient, the intelligent judging system of the ship - against - bridges probability reflecting the influence of the above input parameters is obtained after training

    本文首次將人工神經網路系統方法引入了船撞橋概率的研究當中，編制了計算程序，成功地以現有12座典型橋梁的基礎數據為樣本，以橋梁跨徑、水流流速、水流方向與橋軸法線的夾角以及橋區航道彎曲度等4個船撞橋主要影響因素為輸入參數，以船撞橋概率為輸出參數，經訓練得到了能較好地反映上述輸入參數影響的船撞橋概率判斷系統。
  12. A type of probability sample in which aggregations of sampling units, called clusters, are sampled at some stage in the process

    是一種將樣本單元聚集在一起的隨機抽樣法.樣本群在抽樣的某一步驟被抽出
  13. Idea : we cannot measure the closeness of the estimates with the population parameter directly, but it is possible to use data from a random sample to construct a set of values that contains the true value with a certain specified probability

    我們無法直接衡量估計值和總體參數之間的距離，但是利用來自隨機樣本的數據構造一個取值的集合，使得真值在給定概率下屬于這個集合是可能的。
  14. A kind of sample in which every member of the population does not have a known probability of selection into the sample

    一種抽樣方法.即人口中的每個個體被選為樣本的概率不同.見方便抽樣，有目的抽樣，和定額抽樣
  15. The computer stochastic simulation test was used to study repeat number for controlling the probability of type ii errors and establish a formula calculating sample size in the ease of known historical data

    利用計算機摸擬試驗，從控制犯第二類錯誤的概率來研究兩總體均值比較試驗時的重復次數問題，求得在已知歷史資料情況下樣本容量的計算公式。
  16. Because of decrement in pesticide use, from 1999 - 2001, the poisoning probability caused by pesticides use for farmers who plant bt cottonseeds is respectively 17 %, 22 % and 4 % lower than those who plant non - bt cottonseeds, with an average number of 11 % in this three years. meanwhile, bt cotton planting farmers in yellow river watershed and changjiang river shed saved 48. 4 yuan and 107. 8 yuan per time in pesticide and wage losing cost, with the average of 68 in sample areas

    中岡農業和學院博卜學泣論文中英義摘芙山于農戶大幅度減少了衣藥投入， 1999 2001年調查的種植bt抗蟲棉的農戶發生農藥中毒的概率分別要比種植非bt棉的農戶低17見2肌和4 「三年總平均要低11以同時按照樣本所在棉區計算的bt棉種植農戶相應節約的農藥和誤工費用分別為黃河流域棉區48
  17. On the basis of spot sample and laboratory experiment, authors studied the time - variant probability model early age period mechanical properties of high - strength concrete

    通過現場試驗建立了高強度混凝土早齡期力學性能的經時概率模型。
  18. The fault origin can be efficiently found out by calculating the probability of each industrial variable making the sample abnormal and analyzing the industrial process

    通過求出故障采樣點上各工業變量導致采樣點異常的概率，並結合工業過程的特點，可以有效地找出故障源。
  19. We divide the fire sample image into several levels vertically and the synthesis process is carried out by searching candidates on the corresponding levels. textures on the central and boundary parts are synthesized separately, and natural transition between them is achieved by use of markov probability interpolation

    火焰邊緣附近的紋理單獨進行合成，把紋理樣本邊緣部分的紋理繪制到目標火焰邊緣，火焰中間部位紋理和邊緣紋理則採用馬爾科夫概率插值進行過渡。
  20. Methods : formulas of the expected pooled sample size and the power of tests were deduced while controlling the probability of type and type errors

    方法：在控制兩類錯誤概率的前提下，推導兩種方法的期望檢測次數和檢驗功效的數學表達式。
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