The electromagnetic scattering model for adjacent trunks and sphere above a rough surface ground plane is analyzed by using the reciprocity theorem.
本文用随机分布的有限长多层介质圆柱模拟树干层 ,用互易原理得到了位于粗糙地面上有限长多层介质圆柱与球目标的二阶散射场近似解析表达式 。
Comparative research on four typical surface roughness length calculation methods;
几种典型地表粗糙度计算方法的比较研究
A method is proposed for determining the surface roughness length.
提出一种确定地表粗糙度z0的方法。
In this paper,the statistic probabilistic characteristics of the mean wind velocity at 10 m height U_(10)and the roughness length z_0 as well as z_0 the Fourier amplitude curves of longitudinal gust velocity are obtained by measuring wind velocity data at the site of a bridge in China.
根据国内某大桥桥址处实测风速资料,获得了该地区风场10 m高平均风速U10、地面粗糙度z0的统计概率特征,以及纵向脉动风速Fourier谱曲线;基于Kolmogrov理论,提出了随机Fourier谱经验公式,应用随机建模理论和非线性优化技术,获得了实测风场的随机Fourier幅值谱函数以及基本随机变量的概率密度函数。
POLARIZATION REFLECTION EFFECT OF PLANE ROUGH SURFACE UNDER VERTICAL OBSERVATION
垂直观测时水平粗糙地表偏振反射作用研究
Having a rough, coarse texture.
质地粗糙的具有粗糙、粗劣质地的
a granular surface, texture, etc
粗糙的表面、 质地等.
the rough places will be made plain,
崎岖粗糙的地方改造成平原，
a rough bed (as at a campsite).
（像在野营地里的）粗糙的床。
around wheels to grip rough ground.
围绕轮子紧夹粗糙的地面。
There is a roughness to the feel of her hands.
她的手摸起来有粗糙的地方。
A coarse texture will not take a high finish.
质地粗糙的东西是涂不光滑的。
There are still a few rough places on the surface of the desk that need to be planed down.
课桌表面还有些粗糙的地方需要刨平。
Error metric with roughness of generating LOD of terrain
生成地形细节层次的粗糙度误差判据
Her feet firmly planted on the tepid rough brick of the floor.
她一双脚稳固地立在微温而粗糙的砖地上。
harsh to the touch
(手) 摸起来粗糙的
Yes, it really is my father, comforting me roughly yet warmly.
哦，真是父亲，他在粗糙又温暖地安慰着我呢。
There be still a few rough place on the surface of the table that need to be plane down
桌子的表面仍有一些粗糙的地方需刨平
There is still a few rough place on the surface of the table that need to is plane down.
桌子的表面仍有一些粗糙的地方需刨平。
a fence built of rough stones; used to separate fields.
用粗糙的石头做的围墙；它可以分开土地的界限。
Study on Bearing Capacity of Foundations with Different Roughness;
考虑基底粗糙度的地基极限承载力分析
Rough Surface Scattering and Study of Polar Mesosphere Summer Echoes Phenomena in Polar Region;
粗糙面散射及地球极区中间层顶PMSEs现象研究