风速

风速时程AR模型及其快速实现

AR model of wind speed time series and its rapid implementation

基于Monte-Carlo法的极值风速模型研究

The extreme wind speed predicting model of typhoon by using Monte-Carlo method

在北卡罗来纳州一处山顶测得的风速为每小时170英里。

170-mile-an-hour winds were clocked on a mountaintop in North Carolina .

他根据破坏的程度估算风速。

He estimated the speed of the winds from the degree of damage

平均风速保持稳定。

The average speed of the winds remained constant .

他测出风速在30节以上。

He gauged the wind at over thirty knots

游艇在风速为40节的大风中摇摆前行，有时航速能达到17节。

The yacht swayed in 40-knot winds , clocking speeds of 17 knots at times .

风速达到5级。

Wind speeds reached force five .

飓风安德鲁的风力可能会逐渐减弱，但风速仍在每小时100英里左右。

Hurricane Andrew may be slowly losing its punch , but its winds are still around 100 miles an hour .

广东省气象局表示，2017年第13号台风“天鸽”周三中午在珠海市登陆，台风中心风速达到45米每秒。

Hato , the 13th typhoon this year , landed at noon Wednesday in Zhuhai City , south China 's Guangdong Province , bringing gales of 45 meters per second at its eye , according to local meteorological authorities .

关于高斯烟羽模式中采用H和He平均风速的探讨

An Investigation on Adoption of H and He Average Wind Velocities in Gaussian Plume Model

遥感和GIS技术在全球海面风速分析中的应用

Application of RS and GIS Technologies in the Analysis of Global Sea Surface Wind Speed

CMOS风速风向传感器的设计

Design of CMOS wind velocity and direction sensor

可利用某地年平均地面风速（V（10））和数次实测烟囱口高度的风速（V烟），应用对数律或幂指数律推算该地各高度上的风速。

Can be calculated with annual mean surface wind velocity and multi-measurements of wind speed at the height of funnel top .

在该模型中，CA状态跃迁规则与坡度、风速、风向、湿度和树种紧密相关。

In the model , CA transition rules were modified in accordance with the slope , wind speed and direction , humidity and tree species .

根据台风实测资料，利用PⅢ型分布函数，计算了抗台防灾和工程建筑设计中具有一定重现期的最大风速。

In accordance with the measured data of typhoon , P - ⅲ distribution function was used to estimate the maximum wind velocity of certain recurrence interval in typhoon prevention and engineering structure design .

根据生产过程中的反馈参数，利用参数自整定模糊PID控制器完成对管道风速的实时控制。

According to feedback parameter from production process , using parameter self-tuning fuzzy PID controller to real-time control the speed of the air flow through the pipeline .

开发应用了热膜风速仪测量搅拌槽内气-液两相流的局部气含率、液体的时均速度及湍流参数，从国内外已有的文献看，只有Lu做了类似的工作。

A hot-film anemometer was used in the measurement of local gas-holdup , liquid mean velocity and turbulence parameters in gas-liquid stirred tanks .

采用富士PLC、人机界面与变频器实现了低速风洞数据采集和风速的闭环控制。

The low speed wind tunnel data acquiring and the closed loop controlling of wind velocity are realized by PLC and human machine interface and inverter from Fuji .

峡谷上空风向与街道轴线的夹角越大、风速越小，则街道地面CO浓度越高。

The larger the angle between the wind direction and the street axis and the weaker the wind velocity , the higher the pollutant concentration on street surface is .

用激光多卜勒风速仪（LDA）测量自由射流流场

Application of a laser-Doppler anemometer ( lda ) to measure the flow field in free jets

温度越高，CO2的浓度越低，而风速越小，公路边的CO2浓度越高。

The higher the temperature , the lower the CO2 concentration . And the lower the rate of wind , the higher the concentration of CO2 also .

研究表明，应用最小二乘解法求得的风速Weibull分布参数不能准确地反映平均风速指标。

However , the Weibull distribution parameters calculated with the least square method are not accurate enough to represent the average wind speed .

在100m以上的边界层内，风速的月平均日变化显著，并且各月份的差异也比较大；

The monthly mean wind speed above 100m height has remarkable diurnal variation , and it has great difference among different months .

本文在已知VonKarman功率谱密度函数的情况下，选择利用自回归滑动平均（ARMA）模型来仿真风速。

This paper uses Auto-regressive moving-average ( ARMA ) model to simulate the wind records based on Von Karman spectral .

通过对河北省安平猪场两种猪舍内不同环境控制条件下的实验研究，对模型进行了验证，并对pH值、温度、地面风速、热压四因素进行了灵敏度分析。

Through a serial of experiments in Anping farm in North China , the model is verified , and sensitivities of major factors as pH value , temperature , air velocity and thematic pressure are analyzed .

一种适用于二维CMOS风速计的集成控制电路，是采用恒温差的控制模式，能同时测量风速和风向。

This paper describes the controlling circuit of a two-dimensional CMOS silicon wind sensor , which exploits CTD controlling mode and can simultaneously measure both the wind velocity and direction .

风速在地面柳枝和生草丛苔原10cm下几乎减弱为零。

Wind speeds are attenuated almost completely within 10 cm of the ground in willows and tussock tundra .

提出了基于菲佐干涉仪和多通道光电倍增管（PMT）阵列探测器组合的多普勒频移检测的方案，适用于风速测量的直接探测多普勒激光雷达。

A method of discriminating Doppler shift using Fizeau interferometer and linear PMT array for a direct - detection wind Doppler lidar is proposed .

利用CFD软件Fluent建立了一个三维街道十字路口模型，模拟了2种风向条件下街区风速分布和CO质量浓度分布的情况。

By using of Fluent CFD software , a 3-d intersection model of streets is set . The wind velocity distribution and CO concentration distribution near the intersection are simulated under 2 wind direction conditions .