correlation length 中文意思是什麼

correlation length 解釋
對比長度
  • correlation : n. 相互關系，相關（性）；對比；交互作用；【數學】對射，異射。 correlation index 關聯指數。 correlation mineral 對比礦物。
  • length : n. 1. 長，長度，長短。2. （時間的）長短，期間。3. （賽艇的）一艇的長度；一馬的長度。4. 程度，范圍。5. 【板球】球程；投至適當距離的球。6. 【語言學】音長。7. 一段，一節。
  1. We have calculated one - and two - photon absorption cross sections of the lowest excited states of a series of molecules combined with benzene, stilben, thiophene as center attached with amine, diphenylamine, diethylamine as electron - donor and nitryl as electron - acceptor ; the effects of molecular length, n center and electron - donor on two - photon absorption cross sections have been studied and all calculations have been carried out using the density functional theory at an ab initio level. it is found that the molecular length and the one - photon absorption intensity are quite strongly c orrelated factors, and that a corresponding correlation for the two - photon absorption is decreasing. it is also found that a most crucial role for the two - photon absorption is played by the n center

    我們分別以苯、二苯乙烯、噻吩為中心，氨基、二苯氨基和二乙氨基為電子給體，硝基為電子受體組合形成的分子為研究對象，在從頭計算的水平上用密度泛函理論計算了這些分子在低激發態下的單、雙光子吸收強度，重點研究了分子的長度、中心和給體的供電子能力對分子單、雙光子吸收的影響。研究結果表明，分子長度與單光子吸收強度之間有密切關系，而在雙光子吸收中這種關系較弱；中心在雙光子吸收中具有重要的作用；在中心和受體一定的情況下，增加給體的供電子能力，可提高雙光子吸收強度。
  2. 4. we probed into some methods to measure ga - hardness. first of all, we compared three approaches : fdc, correlation length, and epistasis measures

    4 .對常見的幾種遺傳演算法困難度測試方法（ fdc測試、相關長度測試與基因關聯測試法）進行了分析比較。
  3. Because traditional epistasis measure methods can only reflect the extent of interaction between all genes in the chromosome, we used correlation length analysis and epistasis measures on the fitness landscapes of schemata to test the extent of interdependence between some certain gene loci in study

    針對傳統的測試基因關聯的方法只能給出染色體中所有基因位的整體關聯程度的情況，通過在模式適應值曲面上分別進行相關長度測試和基因關聯測試，以研究染色體中一些特定位之間的基因關聯程度。
  4. The program includes the infrasonic signal data acquisition of three channels, 3 - d dynamic spectrum analysis, correlation analysis of 3 channel infrasonic signals, the calculation of wave direction, the wave speed, the spectrum analysis at any length and a real - time infrasonic gravity wave pressure - time ( p - t ) curve

    本程序支持3路次聲波傳感器信號的數據採集、動態譜分析及次聲信號的相關分析、能計算波源的方位角、波速以及任意時間段的譜分析，並實時給出次聲重力波的壓力?時間曲線（即p ? t曲線） 。
  5. Tide is the primary dynamic factor in building tidal flat ; it must be affect tidal creek system on mud flat. therefore, based on the raster image of the year of 2000, the thesis has built correlation equations between average tidal ranges and the density of tidal creeks, the ratio of the width of outlet to the length of low tidal shore, the ratio of the area of tidal creek to tidal basin respectively. the result shows that the former is high well - marked correlation ; the two latter are well - marked correlation

    潮汐是塑造潮灘的主要動力因素，它必然與淤泥質潮灘上潮溝系統的發育有密切的關系，為此，本文以2000年的衛片作底圖，對潮溝系的密度、溝口寬度占低潮線長度的比值以及潮溝面積與潮盆面積的比值，分別與平均潮差建立了相關關系，結果發現，潮溝系的密度與平均潮差之間存在著高度顯著的相關性，溝口寬度占低潮線長度的比值和潮溝面積與潮盆面積的比值與平均潮差之間存在著顯著的相關性。
  6. To investigate the the body shape strength and kinematics that effects sprint expert performance 17 healthy male sprinters were measured using songxiam9000 high speed vidicon in the field ; body shape of sprint athlete were tested by steel rule ; meanwhile shoulder were tested at 60, 240and360 deg / sec velocities ; lower limb were tested at 60, 240 deg / sec velocitues using biodex - ii tesing and rehabilitation system in the laboratory this research provide theoretical basement to scientifically make reasonable exercise prescription and perfect sprint theory the result show that ( 1 ) the results of correlation indicate that 100m performance related to the shoulder fast flexion torque and hip flexion / extension torque ^ ankle fast dorsiflexion torque ; ( 2 ) the upper arm relaxing enclose and lower limbs length effect 100m performance ; ( 3 ) the biggest shoulder extension joint, swing rage of shoulder and the biggest elbow joint extension effect 100m performance

    受試者為17名男子一、二級短跑運動員。使用松下m9000高速攝像機對100米跑動過程中的運動員進行錄像，同時測試短跑運動員100米成績，利用愛捷錄像分析系統獲取運動學參數；用人體測量尺測試短跑運動員的肢體圍度；同時採用biodex -型等動測力及康復統，測試運動員上肢肩關節及下肢髖、膝、踝3個關節的等速屈伸肌力。在角速度60 s （慢速） 、 240 s （中速）和360 s （快速）下測試肩關節等動向心收縮肌力；在角速度60 s9慢速）和240 s （快速）及120 s下測試下肢3關節等速向心及離心肌收縮肌力。
  7. By using the multi - configuration dirac - fock ( mcdf ) method, the effects of relaxation and correlation on the transition energies and probabilities of electric - dipole allowed ( el ) resonance and intercombination transitions for 2p53s3 - 2p6 in neutral neon have been systematically studied firstly. and the results of the transition energies and probabilities ( lifetimes ) in length and velocity gauge have been presented. during the calculation, in order to consider the rearrangement effects of the bound - state density and some important correlations, the asfs of transition initial - and final - states were divided according to their angular - momentum and parity and calculated, and different number of csfs were included in the expansion of asfs

    本文利用多組態dirac - fork （ mcdf ）理論方法，通過對輻射躍遷初、末態電子波函數的獨立計算以及在原子態波函數的展開中考慮不同數量的組態波函數，系統地研究了弛豫和相關效應對中性ne原子2p ~ 53s ~ （ 1 . 3 ） p _ 1 ~ o - 2p ~ 6 ~ 1s _ 0電偶極共振和復合躍遷的能量以及躍遷幾率的影響，給出了長度和速度兩種不同規范下激發態的能量和輻射壽命；以中性ne原子的研究為基礎，進一步研究了類ne等電子系列離子（ z = 11 - 18 ）較低的激發組態2p ~ 53s和基組態2p ~ 6的能級結構以及各能級間的輻射躍遷特性。
  8. The results showed that the correlation degree of ear length and the number of grains per ear or grain weight per ear or 1000 grain weight was all the maximum in the correlation order, but that of effective ear numbers per plant and the number of grains per ear or grain weight per ear or 1000 grain weight was all the minimum

    結果表明：在關聯度和關聯序中，大麥的穗粒數、穗粒重、千粒重分別與穗長這一性狀的關聯度最大，關聯序中穗長全排在首位；而穗粒數、穗粒重、千粒重分別與有效穗數這一性狀的關聯度最小，關聯序中有效穗數全排在末位。
  9. Then based on the analysis of the constructions of wh, go and ls sequences, the corresponding correlation properties are derived and methods of selecting subsets with good periodic mean - square cross - correlation property or aperiodic mean - square correlation property from the wh set and go sequence set whose go zone z = l are investigated. furthermore, the methods of truncating the go sequences to obtain the quasi - orthogonal ( qo ) set whose family size m is larger than the length l and the quasi - generalized - orthogonal ( qgo ) set whose size m is larger than li2z are discussed, together with the numerical results of the correlation properties

    基於這些結果，探討了如何從wh序列集和廣義正交區z = 1的go序列集中，分別按照周期互相關均方特性最優和非周期相關均方特性最優的準則選擇性能較好的序列子集；同時討論了將廣義正交序列截短來獲得準正交（ qo ）序列集和廣義準正交序列集（ gqo ）的方法，並給出了這一類序列相關特性的數值計算結果。
  10. Cumulative integral is used to research the phenomenon. comparing this conclusion with that of applicable scope of landau theory, we discuss the relation between them and the essence of coefficient k and correlation length

    文中用累積積分進行研究，聯系landau理論在臨界區的適用性，探討ginzburg梯度項系數k與關聯長度的實質。
  11. Abstract : by using the correlation analysis of cotton climatic output and temperature elements of different temperature types and different length periods of time in akesu cotton region, the results obtained indicate ( 1 ) using daily temperature elements of different length periods of time correlated with cotton climatic output is more useful, more reasonable and more easily in founding out optimum temperature elements with biological significance than using ten - days temperature elements ; ( 2 ) in three temperature elements of mean temperature, maximum temperature and minimum temperature, the effect of maximum temperature on cotton climatic output is the greatest, mean temperature is greater, and minimum temperature is the least ; ( 3 ) the low temperature in later spring and summer have some limiting effects on forming cotton climatic output in akesu cotton region

    文摘:通過對阿克蘇棉區棉花氣候產量與不同長度時段、不同類型溫度要素的相關分析，結果表明： （ 1 ）採用不同長度時段的日溫度要素與棉花氣候產量進行相關分析，比採用旬溫度要素的工作更細致，更合理，更易找出對棉花氣候產量影響較大的有生物學意義的較佳時段和溫度要素； （ 2 ）在平均溫度、最高溫度及最低溫度3個溫度要素中，以最高溫度對棉花氣候產量的影響最大，其次是平均溫度，最低溫度最小； （ 3 ）春末及夏季的低溫對阿克蘇棉區的棉花氣候產量形成具有一定的制約作用。
  12. We deduce the correlation functions of order parameter by hyperboloid function ( t > tc, t < tc ), and then compare the two functions to get the change of specific heat, and to get correlation length ? as the token of correlation degree

    利用殘數定理分別求t t _ c ， t t _ c時的關聯函數，發生相變時比熱的躍變，找到表徵關聯的特徵量? ?關聯長度，進一步確定landau理論的適用范圍。
  13. There is a significant positive correlation between the length of short shoot and the microstrobil numbers per short shoot

    短枝長與小孢子葉球數/短枝呈極呈著的正相關。
  14. Firstly, from the viewpoint of graph theory, we analyzed fitness landscapes, and described the random walk correlation function, then we deduced the equation to compute the correlation length

    從圖論的角度對遺傳演算法適應值曲面進行了分析，描述了適應值曲面上的隨機遊走相關函數，詳細推導了相關長度計算公式。
  15. 2 ) radar incidence angle and surface roughness correction : to make radar incidence correction and eliminate the surface roughness effects, a wide range of surface parameters ( soil moisture, surface rms height, correlation length, incidence angle ) was input to the ibm model to simulate the effect of surface roughness and radar incidence angle on the sensitivity of soil moisture to the radar backscattering coefficient. a simple model was established to simulate the effects of incidence angle and surface roughness. 3 ) establishment of soil moisture change inversion model : according to a modified ibm model simulation results, the bare surface backscattering coefficients can be expressed as a funtion of the dielectric component for a given surface roughness when the surface slope greater than 2. 0, which is valid for most nature surface : in above equation, r0 is the surface reflectivity at normal incidence

    本研究中，首先利用基於微波輻射傳輸方程的微波植被模型和積分方程（ iem ）模型模擬了各種地表土壤水分含量情況下，植被覆蓋、地表粗糙度（包括地表均方根高度和相關長度） 、雷達入射角對c波段（頻率4 . 7ghz ）水平極化（ hh ）雷達後向散射系數的影響，在此基礎上，建立模型消除了植被覆蓋、地表粗糙度、及雷達入射角對雷達後向散射的影響，利用多時相50m解析度radarsatscansar雷達後向散射系數圖像反演得到了地表土壤水分變化模式信息。
  16. Then we calculate three correlation lengths in order to see what happens in low density. the second moment density - density correlation length n, 1 is from the density - density structure factor, the second moment charge - charge correlation length z, 1 is from the charge - charge structure factor, and the lebowitz length l is related to the charge fluctuation

    我們計算了與密度一密度結構因子相聯系的密度一密度二級矩關聯長度g川，與電荷一電荷結構因子相聯系的電荷一電荷二級矩關聯長度久； ，以及與電荷漲落相聯系的lebowttz長度乙。
  17. Correlation length measuring instrument

    相關式測長儀
  18. It is found that the effects of the random potential on the transport process as the amplitude of random potential increased are much more remarkable than those as the correlation length of random potential increased

    著重分析了隨機勢的強度和關聯長度對蛋白質輸運的影響。研究發現： di勢的幅值和關聯長度在蛋白輸運中起著十分特殊的作用。
  19. We proposed a new time acquisition method, called adaptive subsection correlation time acquisition method of mc - cdma system, the subsection correlation length is adapted according to the probable frequency offset

    提出了用於mc - cdma系統的新型時間同步法一自適應分段相關時間同步法。它根據估計頻率偏移自適應調整分段相關長度。
  20. The extracted values of 3 surface parameters i. e., the roughness w, lateral correlation length, and roughness exponent a are in good accordance with the set values

    所得到三個表面參量粗糙度w ，橫向相關長度和粗糙度指數的值與所設定的值符合得較好。
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