相關系數的階 的英文怎麼說
中文拼音 [xiāngguānxìshǔdejiē]
相關系數的階
英文
order of correlation coefficient- 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...
- 關 : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 的 : 4次方是 The fourth power of 2 is direction
- 階 : 名詞1. (臺階) steps; stairs 2. (等級) rank 3. [醫學] (耳蝸的三個螺旋管的任一個) scala 4. [數學] order 5. [地質學] stage
- 相關 : be interrelated; be related to; be bound up with; correlation; dependence; relevance; mutuality
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given
利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式;以遞進的方式說明磁矢量位、修正磁矢量位與二階矢量位的關系,寫出了引入二階矢量位的過程;以時諧場矢量邊值問題為例,闡明了不同坐標系下電磁場解的相互轉化原理,給出了一個解析解的轉化例子;在球坐標下,引入了較球矢量波函數更普遍的兩類矢量函數,給出了其在球面上的正交關系。In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy
本文研究了高階精度加權基本無振蕩( weno )格式及其在雙曲守恆律方程中的應用,在此基礎上作了兩個方面的工作:一是針對高頻聲波問題構造出一種基於保色散關系( drp )的weno有限差分格式,並對計算氣動聲學( caa )問題的代表性算例進行了大量數值實驗,比較了該格式捕捉波數的能力;另外,針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題,研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法,並且給出有代表性的密度滑移面問題的算例,得到一致高階精度的數值模擬結果。The elements of the reduced - jacobian matrix are functions of some parameters of the system. for example, effective short ratio, power base ratio, coupling impedance and load flow of the system. for single - infeed hvdc system with a parallel ac line, computer simulations using power system analysis software package ( psasp ) were performed
用一種簡單的方法可以求得降階雅可比矩陣,由於降階雅可比矩陣的元素都是交直流混合系統中一些參數的代數函數,如有效短路比、功率基準比、連接阻抗和系統潮流等,因此,矩陣的特徵值也與這些參數相關。A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived
對于曲線坐標系下的拋物化穩定性方程,文中發展了求解的高效數值方法:引進法向變換,使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式,這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式,大大加速收斂並得到更精確的特徵值。A new model for the growth stage of surface flashover has been developed according to the experimental results, which is based on the solid band theory. it is suggested that the electron multiplication could be attributed to two processes : one is the secondary electron emission avalanche caused by collisional ionization, the other is the micro - discharge caused by the trap centers of insulator. the trap cente
電子倍增的過程與材料的表面態直接相關,材料微觀結構的變化和材料的表面處理都能夠導致材料表面態的變化,引起材料的表面二次電子發射系數以及材料中陷階密度和分佈的改變,從而影響了電子倍增的過程,並進一步改變或影響了沿面閃絡的發展過程。The results indicate that these parameters in profile change closely with geotectonic cycles as follows : sulfur, colloid and asphaltene contents keep the lowest values in devonian, triassic, jurassic and tertiary ; they are in accordance with regressive geotectonic phases, of which the maximum values appear to be correspond to the largest - scale marine transgressions occurred in caledonian cycle, hercynian cycle and middle phase of alpine cycle
指出,這些石油參數在剖面上的變化與大地構造旋迴有密切關系:硫,膠質和瀝青質的含量在泥盆紀、三疊紀、侏羅紀和新近紀為最低值,它們與海退構造階段相一致;石油化學成分最大值與加里東旋迴、海西旋迴和阿爾卑斯旋迴中期的最大海侵相一致。When the front section length is equal to that of the back section, the torsional characteristic of the system is studied
結合階梯形變幅桿兩段長度相等的情況,分析了系統的扭轉振動特性,得出了過渡段參數和階梯形變幅桿參數的關系圖像。The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation
本文以騰格里沙漠東南緣寧夏中衛縣沙坡頭地區人工固沙植被作為研究對象,採用傳統生態學的野外調查方法,從植被群落的組成、多樣性、生活型、群落生長動態、垂直結構特徵、水平結構特徵、群落結構與周圍環境(土壤含水量、溫度)相互關系及其與植物自身生理生態適應特徵關系等多個角度研究了人工植被群落的結構及其動態變化,取得了如下研究結果: 1 、植被群落組成、多樣性及生活型:沙坡頭地區人工植被經過近50年的演變,從流動沙丘到固定沙地,沙地植被的動態變化經歷了從人工植被到人工?自然植被的轉變,從人工植被建立初期的少數幾種引種植物到現有30多種植物,隨著固定沙地時間的延長,植物種類日趨豐富,並且人工植被在15 25年、 40 50年兩個階段,物種的周轉速率最大,即群落結構變化最大。Either the boron nitride ( bn ) thin films with different cubic phase content were deposited on n - type si ( 111 ) and fused silica substrates by radio frequency ( rf ) sputtering using two - stage deposition process. the films were characterized by fourier transform infrared ( ftir ) spectroscopy. the transmittance te ( ) and reflectance re ( ) were obtained as a function of incident photo wavelengths and the thickness of films was measured by alpha - step. the absorption coefficient was calculated from te ( ) and re ( ). the optical band gap ( eg ) of the films was determined by effective medium form of formula containing eg
本文還研究了立方相含量與光學帶隙的關系,在n型si ( 111 )片和熔融石英片上沉積出不同體積分數的立方氮化硼薄膜,薄膜的成分由傅立葉紅外吸收譜標識;用紫外-可見分光光度計測量了沉積在石英片上的bn薄膜的透射光譜te ( )和反射光譜re ( ) ,薄膜的厚度用臺階儀測得。The next stage was to refine the long list of questions produced ( around 300 ) to a more manageable total ( less than 100 ), and to derive an explanation for the linkage between each question and its relevant indicators
接著的階段是把問題清單(約300條)縮減至易於處理的數目(少於100條) ,並且就每條問題與其相關指標的連系作出解釋。On the basement of the quantitative analysis about the relationship between the rural industrialization and urbanization in gansu, the following conclusions have been drew in this paper ( 1 ) the development of town and township enterprises is the important driving force during the process of gansu ' s rural urbanization, and this point has been drew easily from the regression results showing that there is strong correlation ship between indexes about the urbanization process and ones about the development of town and township enterprises ; ( 2 ) nowadays the town and township enterprises ' driving on the rural urbanization of gansu ' s counties and restricts has seemed quite limited, because in the correlate analysis with the datum in 2003, the coefficient between the employment number of town and township enterprises and the urbanization level is only 0. 058 ; ( 3 ) there is no well mutually driving relationships between the rural industrialization and urbanization in gansu greatly because of the many existing problems such as too small business scale, capital shortage, low technique level, low quality of employees, imperfects of system etc. in the development of the town and township enterprises and the many deflects such as small scale, scattered distribution, signalized function etc. in the development of small towns
在對甘肅農村工業化和農村城鎮化的關系進行定量分析的基礎上,得出結論: ( 1 )鄉鎮企業發展是甘肅農村城鎮化的重要推動力(回歸結果顯示城鎮化進程的指標和大部分鄉鎮企業發展的指標間存在著很強的相關關系) ; ( 2 )現階段鄉鎮企業在全省各縣區城鎮化進程中的作用已相對局限(在對2003年截面數據的相關分析中鄉鎮企業就業人數和城鎮化水平之間的相關關系極其微弱,相關系數為0 . 058 ) ; ( 3 )甘肅鄉鎮企業發展中存在的諸如經營規模過小、資金短缺、技術層次低、從業人員素質低以及體制制度方面存在缺陷等一系列問題和小城鎮發展中存在的規模過小、建設檔次低、布局分散、職能趨同性強等問題致使鄉鎮企業發展和農村城鎮化發展在現階段沒有能很好地相互推動和促進。This paper firstly applied sequential cluster method to set up the classification standard of precipitation state based on the fact that there are much uncertainty and imprecise characteristics in the precipitation course ; then this paper presented a method which is called markov chain with weights to predicted the future precipitation state by regarding the standardized self - coefficients as weights based on the special characteristics of precipitation being a dependent stochastic variable ; and applied this method to a real hydrological observation station with nearly 50 years precipitation information in shanxi province at last, an ideal result was obtained
摘要首先基於降水過程存在大量不確定性、不精確性的特點,應用有序聚類的方法建立降水豐枯狀況的分級標準;然後針對降水量為相依隨機變量的特點,採取以規范化的各階自相關系數為權重,用加權的馬爾可夫鏈模型來預測未來降水的豐枯變化狀況;最後以山西省某水文站近50年的降水資料為實例對該方法進行了具體的應用,獲得了較為滿意的結果。The article analyzed the reasons that aroused the mean reversion in stock index futures, and the calculation methods of the coefficient of the first - order autocorrelation in basis change
摘要闡述了指數期貨中均值回復現象產生的原因,並進而分析了基差變化中的一階自相關系數在不同情況下的計算方法。In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given
從光路、光學元件的自行設計到理論分析計算,初步建立了一臺實驗系統;採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量,並模擬了相關參數對展寬比的影響,對實驗具有指導意義;評價了再生放大器和多通放大器的優缺點,對放大過程中通常忽略的放大自發輻射現象( ase )進行了分析,並提出了相應的解決方法;針對放大過程中出現的增益窄化和增益飽和現象,對輸入種子脈沖提出了一種新的分段頻率調制函數,實現了對增益窄化效應和增益飽和效應的共同抑制;提出了系統的材料(包括放大介質和光路中的普通介質)正是融合高階色散的來源。Then, according to the cause of formation analysis, find out that the influential factor of liquidity risk mainly derive from two aspects - the internal structure of asset and liability and external economic environment, affirm and quantitatively analyze the influential degree of these factors for liquidity risk by means of static index method, correlation coefficient method, liquidity gap method, consequently acquire the major influential factor of liquidity risk
然後,結合成因分析,找出國有商業銀行流動性風險的影響因素主要來自於銀行自身資產負債結構和外部的宏觀經濟大環境兩個方面,並分別利用靜態指標法、相關系數法、流動性缺口模型法對影響因素對流動性風險的影響程度加以量化確認,從而明確現階段流動性風險的主要影響因子。According to the mathematic modeling principle of physical problem, the error of lattice boltzmann model is analyzed in chapter 3. the nonlinear deviation term from the navier - stokes equation is given, and the main model coefficients, such as speed of sound, viscosity and so on, are verified by numerical computation, the results show that the lattice boltzmann method has second order precision in space and in time which satisfy the engineering application, whereas, the compressible effect ca n ' t be neglected along with mach number increasing, and must be reduced or eliminated
其次,按照物理問題數學建模的原則,對格子法的誤差進行了分析,給出了格子bgk方程再現navier - stokes方程時的壓縮誤差項,並數值驗證了格子模型的聲速及粘性系數等相關參數的精度,表明格子模型盡管具有時空二階精度,能滿足工程計算的要求,但隨著mach數增大,壓縮誤差逐漸成為主要誤差,必須予以消除。When we have set up a relevant system at cities, we can estimate traffic situation in future without base materials by means of normal four steps model system. at the same time, brings out scientific means for special bicycle traffic in china and gives examples for its process and feasibility. in summary, using tia can reduce the impact of large building on its surrounding and ensure traffic development on balance
通過對相關資料的研究,給出在城市建設項目中進行tia ( trafficimpactanalysis交通影響評價)的工作步驟,確定應進行評價的建築類型及影響范圍,提出適合中國國情、針對大規模城市開發項目的交通影響預測方法和評價標準:當進行交通影響評價的項目所在城市已建立了綜合交通規劃模型系統時,可利用一般四階段模型預測項目交通量、背景交通量以及總的交通狀態;在缺乏基礎數據的條件下,可根據符合我國實際情況的快速預測法進行交通預測:同時針對我國獨有的自行車交通,提出科學的評價方法。Higher - order statistics can deal with either colored noise, non - gaussian, nonlinearities or nonminimum phase, whereas second - order statistics can not. so these methods based higher - order statistics are wide applicable in signal process and system identifications. this paper describes the basic theory and methods based higher - order statistics in applicability of system identification and signal process, introduces and analyses the theoretical and algorithmic results of identifying non - gaussian arma process during recent years
當基於2階統計量(如功率譜、相關函數)的經典辨識方法無法滿足有色噪聲、非高斯、非線性以及非最小相位系統的要求時,基於高階統計量方法越來越受到人們的重視,已經成為系統辨識和信號處理等領域的研究熱點之一。Firstly, the problem that the analysis of function and the analysis of data are separated in the course of traditional analysis and design is analyzed, and that the effective approach to solve this kind of problem is the using of object - oriented technology is pointed out ; secondly, in the phase of system analysis and design, ooa model is used to describe the analysis of demand, and the rules of conversion between object - oriented model and relationship model are put forward
首先,分析了傳統的分析設計中存在的功能分析與數據分析相分離的間題,指出了應用面向對象技術是解決此類問題的有效途徑;然後,在系統的分析設計階段,使用了ooa模型對系統的需求分析進行描述,給出了面向對象模型到關系數據模型的轉換規則。The influence of cross - correlations among three pairs of soil parameters on the reliability of reinforced retaining wall under various destructive models is discussed in this chapter. the three pairs of soil parameters are ( 1 ) the cohesion and friction angle, ( 2 ) the friction coefficient between fill and geotexile, and friction angle, and ( 3 ) the friction coefficient between fill and ground, and friction angle. the decision making of the reinforced retaining wall is carried on based on reliability theory by taking the minimum cost as the target
第四章對加筋土擋墻可靠性分析中有關參數的概率特性進行分析,以某加筋土擋墻為例,採用一次二階矩法對筋材抗拉、抗拔,擋墻整體抗傾、抗滑和地基承載力進行可靠性分析,並對兩種加筋方案情況下加筋土擋墻的可靠性進行分析比較;進行土性參數對可靠指標的敏感性分析;分析三對土性參數的互相關性,即土的粘聚力和內摩擦角、填土與筋材的摩擦系數和填土內摩擦角、填土與地基的摩擦系數和填土內摩擦角之間的互相關性對加筋土擋墻不同破壞模式可靠指標的影響。分享友人