The turbulent characteristics,including turbulence intensity,gust factor,integral length scales and wind spectrum,were summarized based on a large amount of measured data,and compared with Code ones.
采用现场实测的方法对上海市崇明岛侯家镇气象站的近地中强度脉动风特性进行分析研究,对紊流强度、阵风因子、紊流积分尺度的统计值与规范结果进行了比较,对水平方向和垂直方向常用的几种功率谱密度函数进行了拟合修正,提出了精度优于常用风谱的谱函数表达式。
The measured wind data are analyzed in this paper to obtain the mean wind velocity and direction, gust factor, turbulence intensity, turbulence integral length, friction velocity and turbulence po.
经过对实测风速数据的分析 ,得到了平均风速和风向、阵风因子、湍流度、湍流积分长度、摩阻速度以及湍流功率谱密度函数等强风特性 ,分析结果表明 :近地强风的湍流度和阵风因子较高 ,湍流积分长度约在 80m左右 ,水平 (纵向和横向 )湍流功率谱密度函数与Simiu谱基本一致 ,但垂直湍流功率谱与Panofsky谱相差较大。
The measured wind data are analyzed in this paper to obtain wind mean wind velocity and direction, gust factor, turbulence intensity, turbulence integral length, friction velocity and turbulence pow.
经过对实测风速数据的分析,得到了平均风速和风向、阵风因子、湍流度、湍流积分长度、摩阻速度以及湍流功率谱密度函数等强风特性,分析结果表明,近地强风的湍流度和阵风因子较高,湍流积分长度约在80米左右,水平(纵向和横向)湍流功率谱密度函数与Simiu谱基本一致,但垂直湍流功率谱与Panofsky谱相差较大。
In view of the linear random array factor being a random function,the probability distribution of the array factor was discussed when the array units obey uniform distribution and cosine-squared distribution within the scope of mutual coupling considered.
针对随机线阵阵因子为随机函数的情况,对阵列单元在口径范围内服从均匀分布和余弦平方分布时阵因子的概率分布进行了分析。
We constructed a compression mapping with array factors for fractals drawing and for the IFS to render natural scenes that are discussed and surveyed.
将标准迭代函数系统进行推广,构造了一种含阵列因子的压缩映射,并在此基础上定义了一种含可控阵列因子的类凝聚迭代函数系统,利用阵列因子控制全景模型并给出吸引子集的计算规则。
Analysis on turbulence and wind gust factor in surface layer during two typhoon processes
两次台风过程近地层湍流度和阵风因子分析
A blast of wind blew my hat off.
一阵风吹走了我的帽子。
The chill wind whipped in and out in gusty breaths.
一阵阵寒风像鞭子一样抽打着行人。
A light wind blew away the mosquitoes and saturated the new air with a fragrance of flowers.
轻风吹走了蚊子，清新了空气，风中有阵阵花香。
Elementary Divisor of Characteristic Matrix of Matrix polynomial;
矩阵多项式的特征矩阵的初等因子组
Inversion of permutation factor circulant matrices over Z_p
域Z_p上的置换因子循环矩阵的逆阵
A gust of wind blew my hat off.
一阵大风吹走了我的帽子。
A stiff wind blew my hat off.
一阵狂风刮走了我的帽子。
A puff of wind blew the papers off the table.
一阵风把文件从桌子上吹走。
Only two weeks ago he had passed like a whirl-wind through the village.
仅两星期前，他象阵旋风似地经过村子。
A cold gust flapped the blanket off Louis.
一阵冷风吹开了路易斯身上的毯子。
A gust of wind dispersed the smoke from the stove.
一阵风把炉子里产生的烟吹散了。
The Fast Fourier Transform Algorithm for the Inverse and Generalized Inverse of the Permutation Factor Circulant Matrices;
求置换因子循环矩阵的逆阵及广义逆阵的快速傅氏变换法
Smith Matrices for an U.F.D.;
惟一因子分解整环上的Smith矩阵
On the Symmetric Diagonal A-factor Block Circulant Matrices;
关于对称对角A-因子循环分块矩阵
The Zero Divisor Graphs of Z_n[ω] and Formal Triangular Matrix Rings
Z_n[ω]与形式三角矩阵环的零因子图
A nearsighted man lost his hat in a strong wind.
一阵大风把一个近视眼男人的帽子给吹跑了。
The jet caused a great gust of wind and off flew their hats.
喷气式飞机带起一阵风,吹掉了他们头上的帽子.