極角分佈 的英文怎麼說
中文拼音 [jíjiǎofēnbù]
極角分佈
英文
polar distribution-
Results show that the spatial distribution of the precipitation of the west is very uneven and obviously different in every quarter ; the characteristics of precipitation is droughty and less - rain in almost all part in winter. plentiful in summer, spring and autumn are transition phases, rainfall of autumn is more than that of spring in the most of region ; relative variability of each season rainfall is bigger than that of year, the variability is biggest in winter, but smallest in summer. alike between spring and autnmn and comprative in numerical value ; the area of least precipitation is in talimu basin and the northwest of chaidamubasin, not in the northwest of china
研究發現:西部地區年降水量的空間分佈極不均勻,局地差異大;冬季絕大部分地區乾旱少雨,夏季雨量豐沛,春秋季是過渡階段,大部分地區秋雨多於春雨;各季降水量的相對變率大於年變率,夏季最小,冬季最大,春秋兩季相似,數值上與冬季相差無幾;我國雨量最少的地區位於柴達木盆地西北部和塔里木盆地,並不在我國的最西北角。It turned out to be the main component of the most obvious and unusual thing in the whole scene : tiny spherules that littered the plains as far as the camera could see, as if hundreds of strings of pearls had broken and scattered their beads across a flat floor
最終它作為一幅最為平常又極不平凡場景中的主角登場了:在照相機鏡頭所能容納的范圍內,平原上隨意分佈著許多小圓球,就像千百串斷鏈的珍珠被撒在平坦的地面上。In this paper, the method of small parameter is used to calculate the multipolar expansion of gravitational radiation in classical situation, and the general expression on multipolar gravitational radiation is obtained. then the angle distribution characters in an arbitrary direction are given. this expansion method can avoid the higher order tensors when dealing with the gravitational radiation higher than quadrupole
本文採用小參數法作為經典引力輻射的研究方法對引力輻射作多極展開,得到各極引力輻射的一般表達式,並給出了沿任一方向引力輻射的角分佈的嚴格證明,這種展開法在處理四極以上的高階引力輻射時卻可以不涉及更高階的張量計算。In order to obtain the mueller matrix in rain area, the scattering character of one raindrop is studied, and the mueller matrix is then obtained by means of statistics. the power of the reflected waves from rain is studied according to the polarization states, and it is a matter of great significance
本文從單個雨滴的散射入手,用統計的方法結合雨滴的weibull尺寸分佈,計算出雨區的散射矩陣,並對雨區的後向散射功率密度從極化的角度做了分析,這對于分析雷達對雨雜波的抑制有指導意義。In order to make the apertures distribution of the power dividers satisfy the taylor distribution of the horizontally polarized direction of the array, the rake angle and depth of cut of each slot should be adjusted
為了使功分器各埠的幅度分佈滿足陣列在水平極化方向的泰勒分佈,需要調節功分器上各條縫隙的傾角、切割深度。By computing the between two resolution units, we can estimate terrain azimuthal slopes and derive estimate of terrain elevation. the terrain contour is determined uniquely by ay / from azimuth slop on range gates. american began to study p - sar three - dimensional images technology in 1990s
Schuler已經證明,對於一個均勻分佈場景, sar圖像上兩個相鄰分辨單元的極化橢圓方向角偏移量,與地形方位向坡度的對應關系是線性唯一的,地形方位向的傾斜度可以通過解唯一地被測定。The main contents of this paper are following. ( 1 ) the mechanical models of ball bearings are set up by both the quasi - dynamic method and the finite element method in this paper, and then the load distribution of ball bearings is studied. the rules of the contact angle, the deformation, the stiffness and the limit rotational speed in different structure parameters and load parameters are analyzed
本文圍繞航空發動機高速滾動軸承的力學特性,開展了以下工作: ( 1 )分別採用擬動力學法和有限元法,建立了滾動軸承力學分析模型,研究了滾動軸承的載荷分佈特性,分析了不同結構參數和載荷參數對其接觸角、變形、接觸剛度和極限轉速的影響規律。The study of the effect of the momentun distribution of target nucleons on the scdw calculation is performed, which shows that the larger nucleon momentum compenents affect the double differential cross sections at backward and forward angles, while smaller nucleon momentum compenents affect the cross sections near the qes angle
本文還分析了核子動量分佈對scdw模型雙微分截面計算的影響,發現大動量的核子成分的增加會導致截面計算值在大角度區域和極小角度區域的增大;小動量核子成分的減小會導致截面計算值在準彈性散射角附近的減小。The magnetic distribution of a - magnet is presented by analytic way and numeric simulation way. the single particle movement is studied in a - magnet and the movement rule of charged particle in ideal four poles magnetic field also is obtained. quantificational results of the incidence angle, trajectory length and the maximal distance in x direction are presented for ideal trajectory, and the equation indicates some important characters of a - magnet
論文對-磁鐵的有關物理問題進行了較為詳細的論述,從解析形式和數值模擬兩個方面給出了-磁鐵的磁場分佈,對單個粒子在-磁鐵中的運動進行了分析,利用數值求解方法研究了帶電粒子在理想四極磁場中的運動規律,提出了歸一化運動方程和理想軌道等物理概念,定量給出了消色散的入射角、軌道長度和x方向最大距離的解析表達式。The results show that the number of the squeezed atomic dipoles is decided by the coherence of the atom, the direction of the quantum information entropy squeezing is decided by the phases of the field and the atom, and the quantum information entropy squeezing is a precision tool for the squeezing of the atom, especially when the atom is in the eigenstates of the dipole operators
結果表明:原子偶極矩分量出現信息熵壓縮的數目依賴于原子的分佈角;信息熵壓縮的方向由原子和場的位相決定;量子信息熵是原子壓縮的精密量度工具,尤其適合於原子處在偶極矩算符的本徵態時壓縮情況的描述。In the paper, the results of experience and rules of distribution of the cold - formed residual stress are analyzed, the models of the cold - formed residual stress that are close to the fact are founded, initial stress files of ansys which can describe the magnitude and distribution of the residual stress are established
本文對冷彎殘余應力的實測結果和分佈規律進行了分析討論,建立了接近實際情況的槽鋼和卷邊角鋼的冷彎殘余應力模型,創建了能描述殘余應力分佈和大小的ansys初應力文件,並在ansys穩定分析中引入該文件,得到構件在殘余應力影響下的極限荷載。The lifetime of the first excitation state of 64cu on the same experiment published was i = 22 ? 9ps and t = 29. 8 ?. 4ps respectively. multipole mixing ratio ( 8 ) of the first excitation state of 64cu, that p. w. green had studied through the angular distributions of de - excitation y rays following the 64ni ( p, ny ) reaction was determined to be s = 0. 12 ?. 04
至於多極混合比,在1976年pwgreen等人同樣利用以nio , fly )反應,通過退激y射線角分佈測量,給出了時cll第一激發態的多極混合比為: 6二0l士0刀4 。The current trends of this field is to acquire the current density of dipole distribution rather than a few dipoles. based upon that, a new model was proposed - dipole layer localization method ( dllm ) : spherical dipole layer was used as source model, on which dipoles were distributed by equilateral triangles ; three concentric inhomogeneous sphere was used as head model, which contains scalp, skull and cortex with different conductance. the dipole distribution and scalp potential tomography were obtained with singular value decomposition ( svd )
鑒于該領域的研究趨勢已從求取少數偶極子過渡到偶極子分佈密度的獲得,本文提出了新的模型? ?偶極面定位方法( dipolelayerlocalizationmethod , dllm ) :以等邊三角形均勻分佈的偶極子構成的偶極面(球面)作為源模型;包括頭皮、顱骨和皮層的三層同心介質球作為頭顱模型,運用奇異值分解來求解逆問題,從而獲得偶極子分佈和頭皮電位分佈,實現三維成像。Member - one of nenjiang group is divided into sa 0 sand - group. the same points of medimentary microfacies types and distribution by developed in many sand groups lies in that they dominate with river delta and shore - shallow lake in west and dominate with deep lake - semi - deep lake and contain gravity flow. the change of sediment scope of each sand - group makes deep lake - semi - deep lake and sublacustrine fan sediment of ga 0 and pu 2 sand - groups not being developed during the lest sediment area, but the deep lake - semi - deep lake and sublacustrine fan sediment during the largest sediment scope of sa 0 is well developed
多數砂組發育的沉積微相類型和分佈的共同之處在於,西側多以河流三角洲和濱淺湖沉積為主,東部以深湖?半深湖為主其中夾有重力流,但由於各砂組沉積范圍的變化,造成沉積區最小時期的高0 、葡2砂組深湖?半深湖及湖底扇沉積不發育,而沉積范圍最大時期的薩0砂組深湖?半深湖及湖底扇沉積極其發育。With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure
通過分析比較,論證了對數螺旋線型比圓弧形作為邊坡的假設滑裂面具有較多的工程優點,並為此編制了一個採用極限平衡法分析土釘支護的fortran語言程序,以此作工具對滑裂面的后移、土釘錨固段的超長、土釘總力的大小等方面作了研究,得出了有關土釘的長度與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論;採用大型通用有限元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析,重點是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方面的相互作用,得出了有關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護有較大的影響而對另外一些影響不大、二階邊坡臺階寬度的合理確定、二階開挖及支護比一階時具有較多的工程優點等結論;通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡面傾斜及墻背有摩擦時的坡面豎向應力分佈、面板背土壓力的分佈形態作了研究,得出了邊坡支擋土壓力受坡體內部穩定與坡面局部穩定兩個方面的影響、土釘支護面板背土體中卸荷拱的存在對面板受力有利等結論。In present dissertation, firstly an analytical study on the force and deformation of an er single chain under poiseuille flow is presented from the point of microscopic view. an approximate solution of the poiseuille flow in a tube with rectangular cross is derived from galerkin approach. the balance equation of moment for the er chain is established to avoid using point - dipole model, which is not accurate enough in the case that dielectric particles are adjacent to each other
本文首先從微觀的角度,分析電流變鏈在poiseuille流動中的受力以及變形,分析過程中推導了矩形截面管內poiseuille流動速度分佈的galerkin近似解,並採用理論力學軟索模型對電流變變鏈的受力進行分析,從而避免了點偶極子近似在粒子相距較近情況下引起的誤差。Based on the rate - equation theory of four - level system, the expressions of threshold pump power, output power and slope efficiency are given. the influence of space distribution of pump light ( the position of focusing point, dimension of pumping light and divergence angle ) to the output characteristics are also discussed. then, by investigating the effects of thermal effect of laser crystal on the size of laser cavity mode, we obtain the mode - matching principle of high power laser diode end - pumped solid - state lasers
其中,在泵浦光的空間分佈變量中我們分別考慮了泵浦光聚焦后的腰斑大小、聚焦腰斑在增益介質中的位置以及泵浦光在介質中發散角的影響;然後我們研究了在高泵浦功率下激光晶體因吸收泵浦光而產生的熱效應所導致的熱透鏡效應以及熱致衍射損耗,通過分析它們對振蕩激光腔模尺寸的影響,得到了高功率半導體激光二極體端面泵浦固體激光器模式匹配的要求,為高功率連續單頻nd : yvo _ 4激光器的優化設計提供了理論依據。This paper reviewed the changes in mean climate and extreme climate in china during the last 40 years based on the daily observational records of the recent 50 years, provided by china meteorological administration
摘要隨著中國氣象局對近50年來逐日氣象觀測資料的釋放,人們從不同的角度對中國平均氣候和極端氣候的分佈特徵有了更多的了解。In the term of extreme value theory, especially, extreme distribution - ii, the 4th chapter amends power law regulation, which makes up parametric estimating problem of extreme value method. as these results, a new method to estimate var, based on laplace & extreme value - ii distribution is put forward
論文第四章,通過研究極值ii型分佈,從順序統計量的角度出發,研究極值分佈的尾部展開的一些性質,提出了一種估計極值分佈參數的方法,完善了極值理論的參數估計問題,結合實際應用提出了laplace極值混合分佈和一種估計var的新方法。It is demonstrated that one not only needs to correct the detector acceptance but also needs to correct the pt and xf distribution of the. j / v particle
、極化的人法。我們採用alolltecarlo事例; 「 『土器來刊八廠對的角分佈進廳探測器接收度的修分享友人