集平均值 的英文怎麼說

中文拼音 [píngjūnzhí]
集平均值 英文
ensemble average
  • : gatherassemblecollect
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體移的「同物異譜」現象,對于譜形相似而整體反射率的相差較大的兩類地物,通過引入和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  2. And then, some common methods of gdm, such as the ahp method, the weighted geometric mean method ( wgmm ), the borda - kendall method, the minimum variance ( mv ) method, the clustering analytic method, the cook - seiford distance measure, cb measure, the maximum and the minimum expected values, the concordance and discordance indices, etc., are used to discuss some consensus problems of gdm, including the consistency of the complex judgment matrix in ahp, the consensus methods of the aggregation of individual preferences ; the aggregation of analytic hierarchy process methods based on similarities in decision makers " preferences, a consensus measure on multiple criteria group decision making

    接著本文採用了群體決策中常用的一些方法(如: ahp法,加權幾何法, borda - kendall方法,最小方差法,聚類分析法, cook - seiford距離測度法, c _ b測度法,最大最小期望法,一致性非一致性指標法等)對群體決策中的幾個一致性問題進行了研究,這些問題包括: ahp中復合判斷矩陣的一致性,個體偏好序結的一致化方法,基於決策者偏好相似性的層次分析模型的結中的一致性問題和多準則群體決策的一致性測度。
  3. Count represents the geometric mean of the 5 most recent sampling occasions

    除另有闡釋外,大腸桿菌數量是最近五次採的大腸桿菌幾何
  4. For example, to find the harmonic mean of a data set, use the harmean function

    例如:要查找數據的調和,請使用harmean函數。
  5. Determining the extreme values and extremal functions of the analytic functions on d = { z $ c : z < 1 } is very important in the principles of univalent functions. baernstein [ 2 ] gave the conclusion by using koebe function as the extremal function, glenn schober [ 6 ] studied the classes such as s, p, k, s * of h ( d ) and represented these functions with integral formulations. wang jian [ 3 ] and others investigated the integral mean values

    Baernstein首先在單位圓上討論給出了以koebe函數作為極函數的結論, glennschober對h ( d )中一些函數子類如s 、 p 、 k 、 s ~ *等作了研究,將這些子類上的函數用積分表達出來,王鍵結合baernstein ~ *函數的定義及glennschober的結論,定義了對稱的概念並得出了一些函數類在其上的積分
  6. Research of thermal engineering performance test facilities for refrigerated containers - the test standards and methods are deeply analyzed. airtightness test, heat leakage test and performance test ( with refrigeration unit ) are done on the developed test facilities. the process of the experiment system, used hi measuring the thermal engineering properties of refrigerated containers, is thoroughly discussed

    氣密性實驗結果顯示,箱內、外的溫度波動范圍處於15 25之間,箱內、外的壓差處於250 10pa范圍內,漏氣率為2 . 38 ( m / h ) ,遠遠低於極限10 ( m / h ) ,被測試的冷藏裝箱的氣密性符合規范要求。
  7. When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge

    以75000km ~ 2的川中丘陵地區為試點研究區,繪制了該地區新模型的參數等線圖,率定了不同設計頻率的改正系數,使設計者只需在地形圖上獲取水面積,河道坡降和流域形狀系數,在參數等線圖上查得橋涵所在地的相應參數,使用計算器即可迅速計算出設計流量,大大縮短了設計周期,且精度較高,設計的洪水流量一般低於傳統方法,從而可減小橋涵跨徑,節省投資。
  8. The implementation uses two - dimension images as input. the arrangement of light spots on the lunar rover and the imaging geometry of the camera are used to compute the three - dimension coordinates of the light spots in camera coordinate system, and after transformation, the world coordinate of the light points. we can then easily get the coordinate value of center of mass of the rover after averaging the world coordinate value of light points

    本文構造了一種光點配置單目ccd演算法,它以計算機視覺系統採的二維圖像信息作為輸入,直接利用光點的幾何配置條件和攝像機成像幾何關系,求解出光點在ccd攝像機坐標系下的三維坐標,並經過坐標變換,轉化為在世界坐標系下的坐標,然後取其,從而得出月球車的中心位置。
  9. In hardware, we choose anti - disturbance photoelectric isolative sensor, take rc filter to resolve high - frequency for anti - disturbance. in software, we adopt arithmetic of recursion mean value to collective signal values to resolve low - frequency ac and pinnacle pulse disturbance

    在硬體方面,選用抗干擾能力強的光電隔離電量傳感器,並採取rc濾波抗干擾措施解決中高頻干擾問題;在軟體方面,對採到的信號量採取遞推演算法,解決低頻交流和尖峰脈沖干擾問題。
  10. The calculated mean diameter, mean square - root diameter, mean cube - root diameter and liquid water content are all well matched with the observational results ; in the paper two examples have been analyzed by using the seeding region data and the possible affecting region data in leeward region. it is found that f - 100, 2dc, and 2dp ' s particle concentrations increase in leeward region, but rising extent is different, which is likely to be due to difference of seeding effect time

    擬合和觀測吻合的較好,計算出的直徑、方根直徑、立方根直徑和粒子濃度與觀測也比較吻合;本文對兩組個例的催化影響區域及可能採到相應的下風方區域進行了分析,催化下風向影響區的f - 100 、 2dc 、 2dp的粒子濃度比背景都有所增加,但是增加的幅度不同,應該是催化響應時間的原因。
  11. This thesis took the mature fir forestland in northern of fujian province as research areas by collecting out 154 of 1342 subcompartments and using the method of forestland evaluation value, it calculated the growing rent rate of all the subcompartments according to the different land quality grades

    摘要以福建省北部為研究對象,收杉木成過熟林小班1342個,選取小班154個,採用林地期望價法計算各小班的地租,根據立地質量等級不同,用各地類中地租最大與該地類地租的比,確定閩北用材林林地標準地租基於地租的上浮比例。
  12. The result shows that annual rainfall in the 15 coming years will increase by about 6 %, annual rainfall fluctuation will increase and rainfall concentration in a year tends to increase, which will make flood and sediment increased

    結果表明:未來降水量比多年增加6 %左右,且年際波動性增大,年內分佈更加中,洪水量和輸沙量有增大的趨勢。
  13. 8 - 1. 2g / min, and collection efficiency achieve 8 - 10 % under these parameters. through the study on the dispersion process of the nanoparticle tio2 in water, the author finds out that whisk time, dispersant types, dispersant concentration, dispersing time, ph value, temperature and electrolyte concentration have significant influence on dispersing effects. through contrastive and orthogonal experiments, the author obtains that composite dispersants have better results than single dispersants

    研究表明,液料等離子噴塗制備的納米tio :顆粒粒徑為10 ~ 50nln ,其晶型以銳欽礦為主,且隨著電弧功率的增大,銳欽礦含量減少;在本次實驗工藝參數下,收速率為0 . 8一1 . 29 / min ,收效率為8一10 % o通過對納米ti02顆粒在水介質中的分散性研究,發現機械攪拌時間、分散劑種類及濃度、分散時間、 ph、溶液溫度和電解質濃度對納米tio :顆粒的分散穩定性有很大的影響。
  14. From the data collected by lightning location system, we can find that chongqing is strong - lightning - day and has about 95 lightning days per year and has 7. 022 hours per lighting day. in addition to the ground flashing density is 0. 1216 / km2 ? d and beyond the value of rules. so according as the fact of chongqing power system , the paper will investigates the 110kv power transmission line because lightning often stroked the line last years

    重慶雷電定位系統運行兩年多來採到的數據分析研究結果表明重慶應屬于強雷區,年雷電日數在95左右,每個雷電日中有7 . 022雷電小時,而地面落雷密度為0 . 1216次/ km2 ? d ,比規程規定高出一個數量級。
  15. On this basis, the color characteristic in this system we extract is : a 72 bit vector of one dimension by statistical color histogram in hsv space ; a set of color average of sub - images and a set of position of sub - images by dividing the original image and using statistic information of pixels " color ; a set of representative color of an image using a suitable cluster algorithm in the hsl space

    基於這方面的考慮,提取圖像的顏色特徵有:在hsv顏色模型空間中進行顏色直方圖統計得到一個72bit一維矢量;將圖像在縱橫方向進行分割,以各個分割快中像素的色彩和分割塊在圖像中的位置作為圖像的像素坐標空間特徵;在hsl顏色模型空間,通過適當的聚類分析演算法提取出能夠代表圖像顏色特徵的代表色
  16. In the course of design, we fully consider the actual conditions on the railway and take a series of corresponding measures to the concrete problem. such as we select high - accuracy microconvertor and have the converted function in succession data collecting system chip aduc812, design v / f circuit and external a / d circuit. in anti - interference of the hardware, we try to disperse each function module to avoid interfering each other, adopt photoelectric isolated technology to dispel the circuit connection of input and output. in controlling we import arithmetic mean into strain wave algorithm and real computing technology of virtual value for sample treatment of data, that is using the software to smooth away interfere error and to calculate actual value, thus it makes the precision of the data improve greatly

    在設計過程中,根據系統要求,充分考慮鐵路上的實際情況,針對具體問題採取了一系列的相應措施,如在器件選擇方面選用高精度microconvertor系列、具有adcdma連續轉換功能的數據採微控制器晶元aduc812 ,設計了v f變換電路和外部a d轉換電路;在硬體抗干擾方面,將每個功能模塊盡量分散獨立開來以避免相互干擾、採用光電隔離技術消除輸入輸出通道上的電路聯系;在控制方面對于采樣數據的處理引入了算術濾波演算法和真有效的計算方法,即通過使用軟體來濾除系統中有干擾造成的誤差並計算真,從而使數據的準確性得到極大地提高。
  17. Galaxies are thought to have formed when a region of the universe that started slightly denser than average pulled itself together by its own gravity

    星系的成因被認為是由宇宙中密度稍高於的區域,憑著自身的重力把物質聚在一起。
  18. System monitor collects counts, rates, and averages about resources and processing, such as notification processing, system cpu activity, and database sizes

    系統監視器收有關資源和處理(如通知處理、系統cpu活動和數據庫大小)的計數、速率和
  19. In samcluster system, the following cluster methods including hierarchical cluster analysis. k - means, and self - organizing map ( som ) and the feature selection methods based on coefficient of variation ( cv ) and simple t - test were integrated. to evaluate the performance of the samcluster system, the samcluster was applied to four expression datasets colon, leukemia72

    在samcluster系統中,整合了下列聚類演算法:譜系聚類、 k -聚類和自組圖聚類與變異系數計算和t -檢驗等基因變量選擇方法,並提出了一致的樣本分型概念,通過對四個基因表達譜的數據colon 、 leukemia72 、 leukemia38和ovarian的測試,結果表明:誤判的樣本數分別為5 、 1 、 0和0個,因此,基因水的樣本分型與樣本的臨床分型高度一致。
  20. In upscaling, to generate an unbiased aggregation of a sparsely sampled variable from an uneven environment, use a richly sampled indicator that covaries with the variable of interest ( a scalar ) to create a weighted average

    尺度上推時,要從不規則的環境中建立分散取樣變量的無偏合,就利用與影響變量(標量)共變的已充分取樣的指標得到加權
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