色度指數 的英文怎麼說
中文拼音 [shǎidùzhǐshǔ]
色度指數
英文
color index number-
Finding the centromer index depends on finding then centromere and the length of then chromosome
著絲粒指數的求解依賴于著絲粒定位和染色體長度。Colour comparison were made by using a " shell colouration index ", which indicated the darkness of shells
分析時,用貝殼顏色指數來表示貝殼顏色深淺度特徵。In the method, evaluation indices of the lowest level were normalized, synthesis was started with the lowest level, and till greenness indices were obtained
該方法規范化處理低層指標,逐級向上綜合,最終得出產品的綠色度評價指數。1 metamerism index - evaluation method of degree of metamerism for change in illuminant erratum 1
條件配色指數.發光物顏色改變的條件配色度的評價方法Shannon index showed biggest variations of populations was mignonette leaf on wulimu grass. 4
從shannon指數來看,群體變異程度最大的是五里木灰綠色羊草。The intensity of a ray of monochromatic light decreases exponentially as the concentration of the absorbing medium increases.
一束單色光的強度隨著吸收介質的濃度增加而呈指數下降。A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method
提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求,選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化,再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法,通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍,以速度調節器和電流調節器的參數為染色體中的基因,通過遺傳演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計的參數能使系統性能指標有顯著提高( 2 ) after statistical experiment on color indexes of weed images which were acquired in various illumination intensity, soil humidity and remains coverage, it pointed out that hue and relative color index are insensitive to illumination intensity, soil humidity, remains coverage and shadow, hue and excess green have a distinct contrast between plant and non - plant, but can not be used to identify corn and seed
( 2 )利用自行開發的aoi (感興趣區域)工具,通過對不同土壤濕度、光照強度和殘茬覆蓋率下的雜草圖像進行顏色指數測定與分析,指出色度及過綠特徵對光照強度、土壤濕度、殘茬覆蓋率、植物陰影的影響不敏感,且在植物與非植物之間存在足夠的對比度,但不能用於玉米與雜草,或闊葉雜草與窄葉雜草的識別。According to the practical observation, a math method to calculate the traffic capacity is discussed. a grey incidence analysis model is set up to analyze incidence degree between environment factors and the vessel accidents in port in order to find out the instinct reason in chapter 4. that the visibility and the vessel traffic are the most two important factors is concluded
第四章利用灰色系統理論對港口船舶交通事故主致因進行灰色關聯分析,並且對計算模型的改進提出了作者的見解,用灰色綜合關聯度的數學模型對沿海六個港口環境因素八個指標與船舶交通事故的關聯度進行了定量的計算;指出能見度不良和港口船舶交通量是港口環境中導致船舶交通事故的最主要影響因素。This paper computed the weight of influence factors by gray pertinence method and bp network, and assessed shallow groundwater resource vulnerability in the hufu plain in 1984 and 2000 by the integrated method
摘要採用灰色關聯度法和bp神經網路法計算各指標權重,然後用綜合指數法分別對滹滏平原1984年和2000年地下水資源脆弱性進行了評價。( 2 ) grey wave forecasting of grey system theory is applied to economic cycle index forecasting. the forecasting result is highly closed to the reality
( 2 )成功地將灰色系統的波形預測方法運用到經濟循環指數預測中,得到了與實際經濟波動高度吻合的結果。According to the case that the macrocosmic system is nonlinear and lack of testing data, the improved forecasting methods are proposed such as fuzzy exponential smoothing forecasting, center approaching gray prediction and the local multiple regression fuzzy ( lmrf ) model based on takagi - sugeno fuzzy logical system. these improved methods are applied into the forecasting instances. the prediction accuracy of the stimulation result is testified and the improved forecasting methods are proved much better than conventional forecasting methods
本文從宏觀角度和基於區域交通流小樣本數據的實際情況,提出了改進的模糊指數平滑預測和中心逼近式灰色預測方法,建立了基於takagi - sugeno模糊邏輯推理的局部多元回歸模型( lmrf模型) ,並進行了實例預測模擬,實例模擬結果表明改進的預測方法比傳統的預測方法精度提高了好多倍。Abstract : the colored sandwich steel plate has been successfully used in the noise control at the cooler center in the paint shop of dcac wuhan factory, expressed with laudness index, noise level is reduced 79. 65 % after control. the effect is very excellent
文摘:在噪聲治理中,採用彩色夾心板作隔聲構件,在武漢總廠塗裝分廠製冷站應用成功,用響度指數這個絕對數表示,治理前後噪聲總響度降低79 . 65 % ,隔聲效果非常好,達到了預期的目的。After full understanding of demand on ultrasound imaging, bigtide has designed brand new ultrasound series color lcd monitors especially for ultrasound imaging. as the upgrade product replacing of the past crt display, it is provided with the advantage of digital flat display technology. its display gray scale, color quantity, resolution and light target fully satisfy the extremely accurate diagnostic demand in hospital
Bigtide在充分理解醫院針對ultrasound設備成像的需求后,專門為ultrasound設備成像而全新設計了ultrasound系列彩色液晶顯示器,作為替代以往crt顯示器的升級產品,它具有數字式平板顯示技術的優點,其顯示灰階色彩數量解析度亮度指標,完全可以滿足醫院極為精確的診斷要求。Adopting the actual county - grade database of land use firstly founded in china, combining with the comprehensive influential factors of land use change, using the correlative statistic software and the mathematic analytical methods ( principal component analysis, gray relating analysis, multivariate time series markov chain analysis, multivariate regression analysis, gm ( 1, 1 ) gray model, gray series gm ( 1, n ) model methods etc ), this paper analyses the dynamic change of land use and driving force in jiang ' an county qualitatively and quantitatively. the results indicate : 1 the land resource per capita and the area of single - land - use type in jiang ' an county are not prior to other places in yibing city or sichuan province. however, the terrain is dominant in choosing the way of land use
本文採用全國首批建立的「縣級土地利用現狀數據庫」的基礎數據,結合影響土地利用變化的經濟、社會、環境等綜合因素,採用相關分析軟體( dps 、 spss )和數學分析方法(主成分分析、灰色關聯度分析、多元回歸分析、多元時空序列馬爾柯夫鏈分析、 gm ( 1 , 1 )預測模型分析、灰色序列gm ( 1 , n )模型分析等方法) ,對江安縣土地利用變化及其驅動力進行定性、定量研究,研究結果表明: 1江安縣人均總的土地資源數量和單一土地利用類型的數量在宜賓或四川省區域內均無優勢;地形對土地利用方式的選擇起著主導作用;土地利用變化的總趨勢是:耕地、林地、交通用地和水域面積不斷減少,居民點及工礦用地和未利用地面積不斷增加;景觀多樣性指數呈現「 」趨勢。The paper analyze many methods of water demand prediction which include many up to date methods and some in common use, and it bring forward some new combinatorial methods which can meet the need of optimization model in precision, such as season exponent, auto adapt filter, season exponent combined grey model, etc. based on the cost and time of modeling jt mainly study the macroscopic network model which describes the correlation between nodal pressures and water plant discharge
針對時用水量預測模型,採用季節指數法、自適應指數平滑法、季節指數聯合自適應過濾法、指數平滑聯合自回歸法、季節指數聯合灰色系統法等具體預測方法,其中數種方法預測精度達到工程要求。實踐結果表明,開發的聯合法效果較好。考慮到管網宏觀模型不但能描述整個管網的工作狀態,而且建模所需成本低,運行速度快,省時省力,主要研究了管網宏觀模型的建立方法,分析測壓點布置原理並編製程序。This paper presents the following innovation : 1. this paper proposes the gray - index moving combined forecast model, which combines the single - index moving method with gray disaster prediction theory. the joint model solves the problem of deviation and lag in single - index moving forecasting method in some degree, and prediction accuracy and reliability is improved
將灰色災變預測與一次指數平滑法相互結合、相互補充,在一定程度上控制了一次指數平滑法預測時的誤差積累,從而修正了用一次指數平滑法預測所帶來的偏差和滯后,提高了預測結果的可靠性和精度。Determination of iodine colour number
碘的色度指數的測定On the basis of reasonable references to the evaluating indexes of foreign government credit, it sets up indexes of probity, transparency, administrative efficiency and capability, which are the core of the evaluating system, in the light of principles of system analysis, scientific setting, maintaining characteristics and according to reality
在合理借鑒國外政府信用評價指數的基礎上,按照「系統分析,科學設置,堅持特色,符合實際」的原則,設定了以廉潔指數、透明度指數、行政效率指數、行政能力指數等為核心內容的地方政府信用評價體系。Color stability index
顏色穩定度指數分享友人