distribution histogram 中文意思是什麼

distribution histogram 解釋
dna分佈組方圖
  • distribution : n 1 分配,分發,配給;分配裝置[系統];配給品;配給量;【經濟學】配給方法,配給過程;分紅;【法律...
  • histogram : n. 【統計學】(次數)矩形圖,直方圖。
  1. The document image segmentation is very useful for printing, faxing and such data processing. in this paper, an algorithm is developed for segmenting and classifying document image. feature used for classification is based on the histogram distribution pattern of different image classes

    通過對文檔圖像中不同數據類型直方圖差異的研究,首次提出了一種利用小波域子圖像來增強原始文檔圖像,從而對文檔圖像進行有效分割的演算法。
  2. The practical value of optical assay of platelet count by sysmex xe - 2100 hematoloical analyzer in abnormal platelet particle size distribution histogram

    2100血液分析儀光學法計數血小板在血小板直方圖異常時的應用價值
  3. If you a have a column that has a skewed data distribution, a histogram on it and if you are using bind variables against that column you may suffer from the same problem

    大致意思是,綁定變量的窺視,在你的某欄位有不均衡的數據分佈,又有柱狀圖的情況下,首次執行的語句生成了對其有利的執行計劃,它會將計劃帶個所有後面的語句,不管後面語句的執行時間會花費多久
  4. Through the i 、 q component of ipix radar sea clutter data " s histogram analyses and by skewness and kurtosis computed, it is been shown that sea clutter amplitude is not rayleigh distribution ; through the comparison of amplitude histogram and distributed models with the same parameters, it is been shown that hh polarization clutter is lognormal distribution, whereas vv polarization is k - distribution ; at the same time the correlation function and power spectrum density are been analyzed, at last the correlation compound k - distribution stochastic sequences whose covariance matrix is been given are been generated through sirp algorithm

    文中先介紹了海雜波幅度的有關模型,通過對ipix雷達海雜波數據的i 、 q分量的直方圖以及傾斜度和峰度進行了分析和計算,證明了海雜波幅度不服從瑞利分佈;使用幅度直方圖和相同參數下的各種分佈模型進行比較,得出hh極化符合對數正態分佈,而vv極化服從k -分佈的結論;同時對海雜波的相關函數和功率譜進行了分析,最後使用sirp演算法產生了給定協方差矩陣的相關復合k -分佈隨機序列。
  5. To provide a practical tool for fatigue assessment, this approach is based on the so - called simplified fatigue analysis with the assumption that the long - term stress histogram of the hull structure follows the weibull probability distribution, the s - n curves used in the assessment and evabatbn are the basic design - n curves for non - nodal johts " issued by den ( department of energy of united kingdom ), combining with computer technology the assessment procedure is programmed, which will indicate the fatigue damage condition and degree of technical status of tanker hulls

    在中國船級社( ccs ) 《船體結構疲勞強度指南》和美國船級社( abs ) simplifiedfatigueanalysis的基礎上,根據對油輪結構特點和貨載特點的分析,討論了油輪船體疲勞損傷的影響因素,討論油輪疲勞強度計算方法和計算程序,引入模糊質量評級的方法,建立油輪疲勞損傷評估模型。結合先進的計算機技術,編制出油輪疲勞分析程序,採用典型實船資料,對其疲勞狀態進行評估,結果與實際情況比較吻合,表明該程序具有一定的合理性,可作為油輪船公司評價油輪技術狀態時在疲勞損傷方面的參考。
  6. The paper is an attempt to put forward fitting julyk distribution curve by statistic histogram curves fitting based on area constraint and to estimate whether sample data meet normal distribution or not

    摘要提出利用基於面積約束的統計直方圖密度擬合方法把試捲成績樣本數據擬合成一條連續的曲線,並判斷樣本數據是否符合正態分佈。
  7. A histogram shows the distribution of numeric values and works only with numeric data

    直方圖顯示數值的分佈,只能處理數值數據。
  8. Draw a histogram to represent the distribution of time needed for athletes in class c

    試繪畫一個直方圖顯示c組運動員所需時間的分佈情況。
  9. However, the color histogram does not contain the information of spatial distribution of colors across an image

    但是因為顏色直方圖很難體現圖像的空間信息,會出現同一直方圖對應多幅圖像問題。
  10. The dose distribution was analyzed by dose volume - histogram ( dvh )

    根據劑量體積直方圖等參數對兩者劑量分佈進行分析和評估。
  11. It includes the following aspects : adopting the partial differential equations and neighborhood average smoothing methods to reduce image noises. mapping the rgb three - color and gray scale histogram to study - 3 - the relationship of flame features and temperature field distribution. the methods of calculate important parameters about the average gray value, the flame area and the flame shape center coordinate are given

    採用圖象相加、偏微分、鄰域平均等方法來消除圖象噪聲;繪制圖象的r 、 g 、 b三色直方圖來研究火焰幅度特徵分佈與溫度分佈的關系;給出計算平均灰度、火焰面積大小、火焰形心坐標等重要參數的方法;用彩色等溫區或等溫線重構溫度場分佈。
  12. For our analysis we selected 8 events with large multiplicity, for example in each event multiplicity is greater than 1000, from emu01 ( emu12 ) database. firstly the data of polarized angle of flying - out particles is extracted and its distribution ( histogram ) is given

    出於研究目的和分析方法的高多重數事例需要,我們挑選了emu01 ( emu12 )數據庫中多重數較大的8個事例(每個事例帶電次級粒子數均大於1000 ) 。
  13. ( 2 ) the three numeric methods, including formula method, histogram method and feature vector method, of calcucation invariant probability distribution for chaotic map is derived, and their characteristics are discussed each other, these results of the computer simulation are in agreement with those of theoretic analysis. ( 3 ) the principles and methods of chaotic communication are reviewed and commented systematically. first, several main chaotic synchronization methods are discussed, then the methods and ways of chaotic communication are explored, including analogue chaotic communication, digital chaotic communication and direct chaotic communication. this is the article basis, and it startes from follow - up case study

    所做的工作總結如下: ( 1 )綜述了混沌現象及其理論的相關問題並對碼分多址通信系統的擴頻地址編碼與混沌序列、混沌同步與系統保密性等問題作了討論; ( 2 )研究了計算混沌映射不變分佈的三種數值方法,即:公式法、直方圖法以及特徵向量法,並比較了各自的優缺點,計算機模擬結果與理論分析結果相符。
  14. Then there are also two features to be extracted : the average distance of all points of every part and distance histogram distribution of all points in every part. the similarity calculation is same as that of second method, while the searching database is same as first method in third method

    第三種檢索技術將3d模型按z軸方向等分成16塊,然後提取兩個特徵:分塊平均距離和分塊距離直方圖分佈,相似度計算使用l _ 1 ,距離,數據庫檢索同樣採用了分步檢索。
  15. A histogram that represents the distribution of the states of the predictable attribute, ordered by popularity

    表示可預測屬性的狀態分佈情況的直方圖,其中各個狀態按使用頻率高低進行排列。
分享友人