average n. 1.平均,平均數(shù)。 2.一般水平,平均標(biāo)準(zhǔn)。 3.【商業(yè)】海損;海損費用;(給領(lǐng)航的)報酬。 arithmetical [geometrical] average【數(shù)學(xué)】相加[相乘]平均數(shù),算術(shù)[幾何]平均數(shù)。 general [particular] average 共同[單獨]海損。 petty [accustomed] averages (支付給領(lǐng)航、港口等的)小額[例行]酬勞費。 above [below] the average 平常以上[以下]。 on an [the] average 平均;一般說來。 take [strike] an average 平均起來,折衷,扯平算。 up to the average 合一般標(biāo)準(zhǔn)。 adj. 1.平均的。 2.普通的,一般的。 3.【商業(yè)】按海損估價的。 The average age of the boys here is ten. 這些孩子的平均年齡是十歲。 students of average intelligence 智力水平一般的學(xué)生。 vt. 1.平均,均分。 2.平均是。 I average six hours work a day. 我每天平均工作六小時。 If you average 4 and 6, you get 5. 4和6均分得5。 vi. 1.平均。 2.(為得到更有利的平均價格而)買進(或)賣出(更多的股票、貨物等)。 average down [up] 以低于平均價格買進[以高于平均價格賣出]。 average out 1. 最終達到平衡。 2. 達到平均數(shù),平均為 (to) (The gain averaged out to 30 percent 利潤平均為百分之三十)。
on average 按平均數(shù)計算; 平均,一般而言; 平均,一般說來; 平均;通常;普通; 平均起來,一般說來; 通常
on the average 按平均值; 平均,一般說來; 平均而言,通常; 平均起來,一般說來; 一般來說,平均來說
On a statistical average there is a strong dependence of the scintillation on the time of the day . 就統(tǒng)計平均值而言,閃爍跟一天的不同時間有很強的依賴關(guān)系。
In addition , robustness of the scheme against jpeg lossy compression , image enhancement , noise addition and statistical averaging attacks among others are provided 此外,文中還分析了算法對jpeg壓縮、圖像增強、加入噪聲及共謀攻擊等操作的魯棒性。
Researchers have long noted that by melding together hundreds of faces , a statistical average of facial characteristics is reached that happens to be incredibly attractive 科學(xué)家早已發(fā)現(xiàn)通過融合幾百張臉,得到的一張統(tǒng)計學(xué)上的面部特征平均的臉,碰巧是極為富有吸引力的。
However , the optimal results being a statistical average , the antenna pattern of random phasing is unsteady with the scanning angle and scanning period , so it is not easy to form the actually needed codes for control of the antenna scanning 應(yīng)用遺傳算法對隨機饋相方案進行優(yōu)化,能有效抑制寄生副瓣的出現(xiàn),形成掃描空域確定的波控代碼,實現(xiàn)相控陣波束無慣性的精確指向。
The coefficients corresponding to those of landau free energy are associated with some kinds of statistical average , so they are related to temperature . using the molecular interaction potential , with proper potential parameters , we also calculate the order - parameter tensors " phases which are depended on the reduced temperature 選擇一定的勢參數(shù),從分子的作用勢出發(fā),通過自洽的方法進行數(shù)值計算,求得bp和bp的序參量張量各系數(shù)與約化溫度的關(guān)系曲線。
The background subtraction method is used to retrieve the foreground , and the mixture gaussian model is used to model the background , during the modeling , the improved k - means algorithms is applied to improve the speed of background modeling ; 2 . in the process of the background updating , the updating algorithms based on statistical average is used to update the background , compared to the traditional background updating methods , it improves the speed of the background updating ; 3 . to solve the problem that the detection method based on gaussian shadow model detects the shadow inaccurately under some situations , a novel algorithm based on the body color vector matching is presented to detect and eliminate the shadow 本文在總結(jié)和分析了國內(nèi)外相關(guān)研究工作的基礎(chǔ)上,針對運動物體檢測與提取中如何檢測與提取前景區(qū)域以及如何檢測與去除陰影的問題開展研究,其主要研究內(nèi)容和成果如下: 1 .采用背景減除法提取前景區(qū)域,利用混合高斯模型進行背景建模,建模過程中,引入了改進的k -均值算法,加快了背景建模的速度,提高了背景建模的質(zhì)量; 2 .在背景更新的過程中,采用了基于統(tǒng)計平均的更新算法,相對于傳統(tǒng)的背景更新方法,提高了背景更新的速度; 3 .針對運動物體陰影檢測與去除中,基于高斯陰影模型的陰影檢測方法在某些情況下對陰影檢測不準(zhǔn)確的問題,提出了一種基于體色向量匹配的陰影檢測與去除算法。