相對系數值 的英文怎麼說
中文拼音 [xiāngduìxìshǔzhí]
相對系數值
英文
relative coefficient values- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
- 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
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A variety of methods including the tabular comparison of data, the tabular comparison of similarity coefficient, the nearest neighbor method and the group - average method of hierarchical agglomerative classification were applied to investigate the forest communities in meizi lake area
森林植被樣地中以喬木層樹種的重要值為指標,採用紙條排隊法、群落相似系數分類法、最近鄰體法、組平均法對梅子湖森林植被樣地進行數量分類。The correlation analyses were conducted for the rations between the vegetation indices and the sampled grass yield data which were taken as the grassland biomass quotas. the results indicated that there are quite high correlations between the vegetation indices and the grassland yield data. among them the rvi has the highest correlation coefficient, ndvi in the next, and then successively tvi, msavi, infrared index, savi, gvi, dvi and w vi, but bvi has the lowest correlation coefficient that there is a negative correlation coefficient between bvi and the biomass
對各種常用植被指數和草地生物量進行相關分析,由分析結果得出,比值植被指數( rvi )與草地生物量的相關性最高,相關系數達到0 . 885 ,其次為ndvi ,然後依次為tvi 、 msavi 、紅外指數、 savi 、 gvi 、 dvi和wvi ,而bvi與草地植被生物量呈負相關關系,且相關性最低,總的來說,遙感植被指數和草地生物量具有較好的相關關系,因而,利用植被指數來建立草地生物量監測模型是可行的。Two indexes was calculated to estimate the best bands union for color combination, one is optimum index factor ( oif, the sum of standard deviation divided by the sum of correlation coefficient. ), the other is the determinant of the co - variance matrix. it can be seen from the result that for color combination the original optimal bands were tm 4, 3, 7 and tm 4, 3, 5, the best mixed images were mnf1, br and ndvi
以協方差矩陣行列式值和最佳指數值(組合波段標準差之和除以相關系數之和)為評價標準,得出對于tm原始波段而言,最佳的彩色合成組合是tm4 、 3 、 7和tm4 、 3 、 5 ;綜合幾種變換圖像的彩色合成的最佳組合是mnf1 、 br 、 ndvi 。3. based on the 2 x 2 contingency table, interspecific association among 17 common species forests of meizi lake area was examined by using various indices, the results are s as follows : ( 1 ) w - test indicated that positive correlations exist among the common populations ; ( 2 ) the most pairs of the populations in the forest communities in meizi lake area showed positive correlations
採用2x2列聯表,通過x 『一檢驗、 ac值、 pc值及點相關系數小值對在樣地中出現頻率較高的17個種群的種間聯結進行了定量分析,結果如下:門) w一檢驗表明,梅子湖森林植被樣地17個常見種群的總體種間關聯性里顯著正關聯。On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula
應用透光率脈動檢測技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均透光強度(對應于dc值)作為原水的特性表徵參數, dc值可以同時反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,平均相關系數達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。With the thorough research on these and computer ability increasing quickly, people are paying more and more attention to relational numerical study. the mostly discussion is how to numerical simulate, concering error estimate in long - time, the existence of approximate attractor, well - posedness of solution and numerical solution and dimension estimate and so on, now there are much study [ 5 ], [ 15 ]. spectral method is important numerical method, but it is very hard so that research is a less
隨著對它研究的深入和計算機能力的迅速提高,與之相關的數值研究也越來越被人們關注,這方面討論的主要是對原系統如何進行數值模擬的問題,涉及到大時間誤差估計,近似吸引子的存在性,穩定性,收斂性及其維數估計等諸多問題,目前已有很多工作。Secondly, in the theory of gl with the four rules of producing such as generator rule, generating radix rule, rule of basis space changing, developing order rule, gpl can produce all kinds of basic operation model with other logic such as classical propositional logic, three - value logic, fuzzy logic and broad sense fuzzy logic. finally, it proved that a material logic can be produce by gpl. and it shows the universality gpl can contain most logic
眾所周知,邏輯學家正是利用這些定義證明了該邏輯的全部推理規則,建立起了整個命題邏輯體系;然後我們直接利用命題泛邏輯學的生成規則,通過對廣義相關系數h的不同取值也同樣生成了這些運算模型,也就是說直接生成了這個命題邏輯;這個生成過程還揭示了各種運算模型的物理意義和使用條件,也就是說揭示了各種命題邏輯的物理意義和使用條件。Frictional coefficient of paper / al / pe film was measured on different surface and different direction, and the data was analyzed and compared with these different ingredients, thus the frictional coefficient of this new material could be better understood
摘要通過對紙鋁塑復合薄膜正反兩摩擦基材面相互摩擦及不同角度摩擦的動、靜摩擦系數值的測定,比較並分析了不同摩擦基材面和不同摩擦方向對其大小的影響,從而對這種新材料的摩擦系數有了進一步的認識。Thereafter, the rfq - pcr method for the detection and enumeration of s. costatum cells is established with primer6 ( f / r ) and taqman6. the regression curve for enumeration is delineated according to the development of the fluorescent densities in the rfq - pcr with the increasing number of s. costatum cells. the regression equation is y = - 3. 3427x + 43. 443, in which x indicates the log10 of cell number, and y indicates the ct values, with r2 of 0. 9788
以rfq一pcr中實際細胞數的常用對數值為橫座標,以測得的ct值為縱座標,繪制出了定量檢測的標準曲線,該曲線的回歸方程為: y =一3 . 3427x + 43 . 443 ,其相關系數是: rz二0 . 9788 , ct值的標準估計誤差為sy 』 x二0 . 6741 。The main achievements are as follows : it is verified that there is an unique mean square solution to the stochastic surge model ; the formulas for probability density function of head loss and the maximum relative surge level were deduced ; the joint probability density function for solving surge process and the mean head process of simple hydraulic system were also derived
主要研究成果有:證明了調壓室涌浪隨機模型存在唯一的均方解;推導出了水頭損失和最大相對涌浪值的密度函數計算公式;求解了調壓室涌浪解過程的聯合密度函數和簡單水力系統的水頭均值過程等。Large amounts of lab experimellts showed that the consistency of swr sensor is very good, and the swr sensor have excellent results in every kinds of soil texture, especially in loam, clay and acid loam. there were not big variations among their measurement results
特別是壤土、粘土、酸性粘壤土等土質對測量結果的影響達到了極不顯著的水平,它們之間測量值的相關系數都達到了0 . 97以上。It is important to apply influence analysis, computing of correlation - conefficient and charactrestic value of the design matrix and ridge regression to set models. the quality of model is developed
數據分析:影響分析和設計矩陣的相關系數和特徵值計算及嶺回歸技術的應用對改進模型的品質起到了重要作用。In general, the upward amplitude curve " curvature is larger, and it changes quicker. on the contrary, the downward is smaller and slower ; because the flare force contains the square of the wave elevation velocity, it results in an difference between the flare force frequence and the associated moving frequence ; the flare force decreases the downward amplitude of heaving oscillations ; the speed of ship has an ignorant effect on the peak values of three calculated values, but there is an obvious effect on the oscillating frequence ; the wave amplitude has an effect on the ship motion, and there is an linear relation between the oscillating amplitude and the wave amplitude on the whole. by the way, there are some experiences and lessons according to the progress calculation : before the calculation of the ship motion, we should checkout the balance in a calm water firstly, namely, the whole displace of ship and the longitudinal position of the center of gravity must be consistent with the draft in calm water, or else, the calculation may show the " floating " phenomenon ; the mixed language programming has a lot of virtues, but it exists a fatal limitation - the debug of dll
研究表明:在某些頻率范圍內相關水動力系數基本不隨吃水變化,只有超過某一頻率后水動力系數的值才會出現差異;在橫搖方向,水動力系數並沒有隨著吃水的變化發生規則變化,而是出現了波動現象;近船首剖面的水動力系數計算表明,水動力系數的波動非常大,並遠遠偏離了平均位置的水動力系數值,值的變化速率也不盡相同,總的看來,上振幅曲線曲率較大,變化較快,下振幅曲線曲率較小,變化較慢;外飄力和波面運動的速度的平方項有關,導致其振動頻率和相應運動方向的頻率不同;外飄力使升沉向下運動的幅值減小;船速對三個計算量的峰值影響甚微,但對振動頻率有明顯影響;波幅對船舶運動的影響是明顯的,船舶運動的幅值基本上和波幅成線性關系。This short period of recovery time can be used to decode transmitted message in the receiver. our numerical simulations for chaotic communication in single - mode and multi - mode laser systems show the feasibility of the schemes respectively. in two multi - mode lasers, the scheme of chaotic communication can enhance the privacy
我們分別對單模激光系統混沌同步通訊和多模激光系統混沌同步通訊進行了相應的數值模擬,數值模擬的結果表明,這種利用混沌同步進行保密通訊的方案是可行的,在多模激光系統中的混沌通訊還可以大大提高保密度。The following is the result : for calibration set, correlation coefficient r = 0. 84, coefficient of variation is 5. 45 % ; for prediction set, correlation coefficient r = 0. 93, coefficient of variation is 5. 54 %. the analysis of experiment ' s result shows that this apparatus can fulfill the application of practice using
對實驗結果分析,校準集中預測值與化學值相關系數r = 0 . 84 ,變異系數為5 . 45 ,檢驗集中預測值與化學值的相關系數r = 0 . 93 ,變異系數為5 . 54 ,表明本儀器可以滿足實際應用的需要。According to the absolute value of correlation coefficient, the degree of correlation between input and output variables can be estimated and selected or not, which not only increases the neural network mathematical model accuracy, but also reduces the complexity
通過其相關系數絕對值的大小來判斷該輸入量與輸出量的相關程度,進而對其進行取捨。該方法不僅可以提高神經網路數學模型的準確度,而且還有效的減小模型的復雜性。This model has the ability of analyzing the effects of some key system parameters, such as the signal correlation coefficient, speed of the mobile, and the update rate of combining weights, on the system performance
研究了信號相關系數、移動臺運動速度、通道衰落率,以及合併權值更新速度對合併性能的影響。In order to study the characteristics of the stepped spillway overflow comprehensively and seek for the measure to increase the energy dissipation of the stepped spillway at large unit discharge, the method of turbulence numerical simulation and model test are used to study the stepped spillway overflow. in view of the curved free water surface, complicated boundary condition and turbulence flow, it very difficult to simulate the stepped spillway overflow
為了對階梯溢流壩面流場特性進行全面的研究,同時探求在大單寬流量下提高階梯溢流壩消能率的措施,本文採用紊流數值模擬與實驗相結合,數值計算為主、實驗為輔的研究方法對階梯溢流壩面流場進行了較系統深入的研究。On the base of the sedimentary facies, diagenesis, diagenetic facies and petrophysical property, we prospect six advantageous regions, such an analysis shows clearly the trend of oil and gas exploration and development in the future and has been proved by the results of testing in the wells drilled within the region
以有利沉積相、成巖作用和成巖相為基礎,以物性參數和h 、 k 、 s _ 0綜合系數值為線索進行了儲層遠景預測,這對該區油氣勘探具有重要意義。3. pointing out it ' s not practical to decide the authenticity of picture only by the comparison result of the relationship coefficient, which is between target watermarking and the one being detected, and the threshold. presenting an improved method which demand the two to be identical
指出使用目標水印和待檢測水印的相關系數與閾值比較大小來決定圖像的方法並不實用,與之相對,提出了根據二者是否完全相同來作為判斷圖像是否真實的依據,並針對不同的場合設計了具體實現的方案。分享友人