均值化 的英文怎麼說

中文拼音 [jūnzhíhuà]
均值化 英文
equalization
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • 均值 : [數學] mean value
  1. The nitrogen fixation in alpine meadow ecosystem is mainly accomplished by anaerobic nitrogen fixing bacteria. both ammonification and nitrification are the highest in 0 cm 10 cm soil depth

    從不同植被類型土壤的表層中各生理群菌數的平來看,反硝細菌的數量最高,嫌氣性自生固氮菌次之,再次為氨菌和硝菌。
  2. 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,提出了適用於荒漠監測的基本波段選擇集;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引起的反射率曲線整體平移的「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。
  3. Under cold stress condition, cold hardiness of 12 vitis species including 45 lines ( cultivars ) was identified based on the leakage of electrolytes, water loss ratio and percentage of bud bursting on the stem and estimated the hardiness resistance of 12 v. species by the average of subordinate function ( sf )

    摘要在冷凍脅迫條件下,測定了葡萄屬12個種45個株系枝條的膜透性變、含水量動態變及萌芽能力3項指標,並以種內不同株系間3項指標的平綜合評價了12個種的抗寒性。
  4. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下,不同流速對熱管空氣預熱器壁面溫度的影響;然後對影響整個流場分佈的各種因素:包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數模擬;最後提出在分流煙道轉彎處加裝導流板,並模擬加裝導流板后的流場分佈,得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈,以論證加裝導流板能達到流場的作用。
  5. Typical variable windfield models, such as large scale steady wind flow, downburst, turbulence, airflow over mountain, are developed and their physical specialities are discussed. furthermore, simplex modules are integrated to form complex model. facticity and application technique to flight simulation are discussed

    討論了以下幾種典型風場模型(大尺度風模型、 dryden紊流模型、微下擊暴流模型和過山氣流模型)的物理特徵與建模方法,並對單一模型進行復合,建立變風場模型庫,最後討論了各種模型的真實性與如何應用於飛行模擬; 3
  6. Secondly, in the feature extraction stage, haar 2 - d wavelet transform is used in each band of the normalized image. the mean values and variances of the coefficients of 7 main wavelet channels are extracted as features

    該演算法通過對歸一處理后虹膜圖像的各個小分割區域進行二維小波變換,提取出主要小波通道的小波系數和方差作為特徵
  7. This thesis focuses on middleware - based load balancing supported by corba, and has made the following contributions : ( 1 ) based on the previous research, we give a method using resource utilization and harmonic mean performance to quantify the load of each node in the heterogeneous environment, which makes the loads comparable

    本文的主要研究內容就是基於corba中間件的負載衡,具體的研究工作有以下幾點:探討了系統負載的衡量問題,借鑒前人的研究成果,採用以資源利用率和節點的調和性能平來綜合衡量系統負載的方法,量了異構系統中各節點的性能,使得負載具有可比性。
  8. Standard deviation in statistics, a measure of the dispersion of a frequency distribution : it is the average magnitude of deviations from the center of normal curve, calculated by squaring all the deviations, calculating their mean, then finding the square root of the mean

    標準偏差:統計中,一種衡量數據組分佈的分散或變情況的數據,是偏離正態分佈中間位置數據大小的平
  9. Based the value, the quality characteristic of different group processes can be expressed in the same control chart, the tendency of the current quality of the process may be predicted. at last, a case indicates that the approach is some piratical valuable

    利用變換后的特徵,採用?標準差控制圖,把不同工序的質量信息表示在同一張控制圖上,識別當前工序的變趨勢,監控過程的質量。
  10. The paper concludes that the changing rate of ndvi of rain forest in tropic is the smallest, the changing curve is smooth, while the changing rate of ndvi of the deciduous broad leaf forest in warm - temperate zone is the largest the change of ndvi is the most conspicuous in winter and spring ( especially in april ) while is not conspicuous in summer and autumn by analyzing the change of ndvi along latitude using the ndvi value of different vegetation types along the same longitude. the vegetation index from warm temperate zone to semitropical zone has obvious transition, while other areas have no distinct change by analyzing the change of ndvi from temperate zone to semitropical zone to tropical zone using ndvi averagejn the same time it is concluded that the sink value in the beginning of the year 1995 is from the influence of the monsoon in east of china by analyzing the ndvi curve of several typical needle leaf forests. the relation between ndvi value and temperature is conspicuous while the relation of precipitation is less or not by analyzing the relation between ndvi and temperature and precipitation finally it can get the conclusion that the change of river area is the smallest, the change of sienna area is the greatest by analyzing two phases of tm data in 1987 and 1997 with rs technic

    利用從同一經度的不同森林類型ndvi分析,沿緯度方向ndvi變可得出, ndvi在冬春季變最明顯(尤其是在4月份最大) ,而在夏季和秋季變不明顯。利用ndvi進行分析,從暖溫帶到亞熱帶到熱帶的變情況發現,從暖溫帶到亞熱帶ndvi指數形成明顯的階躍,而其它區域沒有太大的變,同時對幾種典型的針葉林曲線分析可知其年初的凹源自於我國東部季風的影響。利用ndvi數據分析其與月溫度與降水的相關性得出與溫度相關性較為顯著,而與降水相關性不顯著或無相關性。
  11. Results showed that in the water body of xizi lake, annual average of culturable planktonic ammonifiers and nitrogen fixers were 510 and 236 cfu / ml, respectively ; ammonia oxidizers, nitrite oxidizers, nitrate reducers and denitrifiers were 8. 5, 16, 587 and 16 mpn / ml, respectively ; inorganic phosphate solubilizing bacteria ( 1pb ) and organic phosphorus mineralizing bacteria ( opb ) were 89 cfu / ml and 37 mpn / ml, aerobic and anaerobic cellulose decomposers were 7 and 5 mpn / ml, respectively

    水體中可培養異養細菌(氨細菌)和固氮菌的年平分別為510和236cfu ml ,氨氧細菌、亞硝酸氧細菌、硝酸鹽還原菌和脫氮菌的數量分別為8 . 5 、 16 、 587和16mpn ml ;無機磷和有機磷分解菌分別為89cfu ml和37mpn ml ;好氧性纖維素分解菌和厭氧性纖維素分解菌只有7和5mpn ml 。
  12. The models were validated with adopting local weather ( average temperature per month, average maximum temperature per month ; average minimum temperature per month ; sunlight times per month, and latitude ), varieties, and experiment data from different yielding levels in nanjing and jinan areas, the correlation coefficient, standard error of absolute deviation, and average absolute deviation between the observed and the stimulated were 0. 9761 and 0. 9620 with 0. 01 significant level, 0. 5891 and 0. 7094, and 0. 12 and 0. 43, respectively

    所建模型可以利用當地常年氣象資料( 30年平,如月平氣溫、月平最高和最低氣溫以及月日照時數、緯度) ,確定不同地區、產量水平與品種最適葉面積指數動態,為小麥數字栽培提供科學依據。
  13. Study on license plate binarization method under nonuniform illumination

    勻光照下車牌圖像二研究
  14. The third section of the essay, analyzes the distributing law of passenger flow of public traffic, brings forward a new prediction method which could keep accordance to the practical distributing law of passenger flow by and large, furthermore, could meet the demand of optimizing bus dispatch system. this method based on intelligent technology breaks through the traditional way

    第三部分研究了城市公共交通線路日客流量分佈規律,提出了一種可操作性的、能在總體上符合線路客流客觀變規律、可滿足以城市公共交通線路調度為目的和以此為精度要求的城市公共交通線路每日客流量預測方法。
  15. On the one hand, the author discusses markowitz ' s mean - variance portfolio selection model, single - index portfolio selection model, and simplified model of optimal portfolio selection. at the same time, based on the rules of optimal portfolio selection and other risk - metric indices, the author also discusses mean - absolute deviation model, mean - semivariance model and mean - value at risk model. on the other hand, the author discusses the asset pricing model, including the capital asset pricing model ( capm ), the multi - factor asset pricing model, and the arbitrage pricing model ( apt )

    一方面,作者討論了馬科維茲的-方差資產組合選擇模型、單指數資產組合選擇模型、最優資產組合選擇的簡模型,同時根據最優資產組合選擇原則和其他風險度量指標,討論了-絕對離差、-半方差和-風險價資產組合選擇模型;另一方面,作者討論了資產定價模型,包括多因素資產定價模型和套利定價模型,特別是在四種因素變量的基礎上,探討多因素資產定價模型。
  16. Besides, taking into account the asymmetry sunshine, deferent gray and other factors " effect on license plate, binarization method is modified, a special local binarization method is presented for car plate image

    再者,根據光照不、車牌字元灰度差異等因素對車牌成像影響的規律,將圖象二方法進行改進,提出種針對乍牌字元圖象的局部二方法。
  17. Another advantage, contrast to using convolutional codes or turbo codes, is its low complexity while maintain high ber performance because the check equations are used to terminate the both iterations. we develop the theoretical error free feedback bound for bpcm - id and predict the threshold for decder convergence using the extrinsic information ransfer chart ( exit )

    利用非正則ldpc具有不同度的信息節點概率密度演的差異,對高階星座中具有較高級別的子通道提供額外的保護,可使迭代反饋判決時,星座子集擁有最大的無錯反饋歐氏距離調和,從而改善系統的迭代收斂特性。
  18. During the research, ultrasonic signal testing system was designated by adopting transform the average value of function to nought, optimizing of collection frequency and transducer frequency

    在研究過程中,採用零均值化、優采樣頻率與探頭頻率的匹配等對超聲信號頻譜分析系統進行了標定。
  19. The author makes a stabilized and zero mean treatment of the statistic data on the per capita annual net income of henan farmers between 1978 and 2005, and using the property of the autocorrelation function and partial autocorrelation function of time sequence, establishes the model appropriate for the data

    摘要筆者根據河南省1978年2005年的農民人純收入統計數據,將這些數據進行平穩、零均值化處理,並利用時間序列的自相關函數,偏自相關函數的性質,確認數據所適合的模型。
  20. The article will put forward a kind of new denoising method of digital image in frequency domain : start with a series of fourier transforms on hand and wrist x - ray image ; then carry on single frame mean value to deal with ; finally, carry out the single frame smooth handling of frame frequency. one that is through steps the above treated, get better test result, improve the artificial accuracy that read

    文章提出了一種新的圖像頻域祛噪方法:首先對採集到的手腕部骨圖像進行傅立葉變換;然後進行單幀均值化處理;最後進行單幀頻域平滑處理。通過以上步驟的處理后,得到了較好的試驗效果,大大提高了人工判讀的準確性。
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