边缘分布

We establish a new observation model of α-stable distribution for low altitude detection. It is very concernment that fractional lower-order statistics based detection and estimation robust approach for radar target signals, so as to perform optimal detection under constant probability of false alarm.

在不同的海况下，由于雷达波在波峰和波谷间的反射以及在波浪边缘的绕射等复杂电磁现象，使得雷达波不仅频谱形状不规则，而且反射单元的概率分布也超出常规，所以必须高度重视海杂波的特性研究，从中找出有价值的参数。

By the geometric probability model,the intuitionistic method is provided for the marginal density function and conditional probability density function .

利用几何概型得出均匀分布的边缘密度函数和条件概率密度函数的直观求法。

The implantation nerve regenerated Meissner corpuscle in grafting skin,which were distributed in dermatoplasty borderline.The volume of re-generative Meissner corpuscles was58%of normal,relative gray degree was80%,and the regenerative rate of Meissner corpuscles was60%,40%and35%respectively in skin of palm,arm and eyelid.

植入的神经能再生触觉小体，且小体多分布于植皮区的边缘，体积为正常组58%，相对灰度为正常组80%，主要呈单轴突支配；各类皮肤中触觉小体的再生率不同，上睑、前臂、手掌的再生率分别是35%，40%，60%。

The uplifting belt is composed of metasandstone, marble, overlying thick stromatolite (Jinyanshan Group of Jixian System). Metamorphic rocks of 450Ma± occur in both south and north active margin. Post-collision bimodal volcanic rocks and A-type granite occur in the middle and the north side;(4) Apa-Mangya tectonic melange belt consists of ophiolite (including ultramafic rocks, gabbro, plagiogranite and basalt) and flysch and eclogite of late Ordovician.

隆起带为中元古界变砂岩、大理岩，上覆厚层叠层石灰岩，南北边缘有均为450Ma左右的变质岩，中部和北侧分布有碰撞后双峰式火山岩与碱性花岗岩；④阿帕—茫崖构造混杂岩带，由超镁铁质岩、辉长岩、斜长花岗岩、玄武岩等蛇绿岩残片与晚奥陶世复理石沉积和榴辉岩块组成。

The Sophora alopecuroides L. in Yulin region spreads widely, anti-drought, foodless for animals and stable product, moreover, where there is vulgar grass place, there is plenty of Sophora alopecuroides L.

榆林沙区苦豆子分布面积广泛，蕴藏量丰富，加之耐干旱、牲畜不食、产量较稳，而且愈是低等级草牧场、荒漠、沙漠边缘，愈是生长较多的地方。

The results show that the CD29, CD49, CD90 express in the gonium and the primary spermatogenous, but there are not expression in the oocyte, the second spermatogenous and the spermatocyte.

研究结果表明，CD29， CD49， CD90在雌性生殖腺各级卵母细胞中均不表达，位于生殖褶边缘的性原细胞中可见表达；在雄性生殖腺的初级精原细胞中表达，但在成团分布的次级精原细胞、各级精母细胞中均未表达。

Color Doppler imaging types revealed the luteal blood flow patterned a c ircumferential rim around the entire luteal cyst wall(67.8%),a hemicycle rim around the cyst wall(17.8%)and single blood flow within the cyst wall.

黄体血流分布特征为沿黄体囊壁边缘环状或半环状血流，环状血流占67.8%(99/146)，不连续半环状血流占17.8%(26/146)，仅7.5%(11/146)呈单支条状血流。

This paper proves that Ordered Statistic with Greatest Option CFAR and Ordered Statistic with Smallest Option CFAR are also of CFAR under homeomorphic independent K-distributed clutter background when the shape parameter is known. The performance of two detectors is analyzed against uniform clutter background, clutter edges and multiple target environments.

摘要该文证明了形状因子已知条件下OSGO-CFAR和OSSO-CFAR检测器在均匀统计独立的K分布杂波背景下具有恒虚警性能，分析了两种检测器在均匀杂波背景、杂波边缘和存在强干扰目标情况下的检测性能。

When computing the diagonal elements of the Galerkin matrix, one will encounter the integral of Hankel function, the Green's function of 2-dimensional Helmholtz equation and the cosine weighting function, whose integrand is singular in the integration range. A new approach is proposed to deal with this kind of singular integrals, which is pivotal but have not been reported so far.

首先建立了透镜边缘上任一点的电场满足的边界积分方程，然后选择适当的正交模式函数展开端口上的电场分布，采用边界元法的思路及Galerkin法将该积分方程离散化为—矩阵方程求解即可得到透镜的多模式散射参数。

Among 150 species, 32 were adapted to urbanization, 77 adapted slightly to urbanization, 41 were sensitive to urbanization; 37 were interior species, 91 edge species, and 22 insensitive to edge; 93 distributed in only one kind of habitat, 34 in two, 4 in three, and 19 in four.

城市边界对西部山区鸟类群落的影响是双重的，一方面为某些鸟类提供了可利用的资源，另一方面干扰等因素降低了边界区鸟类的多样性，消解了西部山区鸟类群落分布的边缘效应格局。在总体上后者的影响大于前者。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。