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平均风向
相关语句
  average wind direction
     MATHEMATICS MODELS OF AVERAGE WIND DIRECTION
     平均风向数学模型
短句来源
     THE CALCULATION ALGORITHMS FOR AVERAGE WIND DIRECTION AND THEIR COMPARISON
     平均风向的计算方法及其比较
短句来源
     Some p oblems in data acquisition and processing of the control system and in shore control system occured during the development stage of the FZF2—1 mooring buoy,which is one of the key scientific research p(?) ojects in our country on the period of 7th Five—year Plan are outlined in this paper. They have been solved through microcompu- ter compatibility of the shore station,wave spactrum analysis and the calculation of the average wind direction.
     本文介绍(七·五)期间国家重点科技攻关项目—FZF2—1型海洋资料浮标的控制分部在数据采集、控制处理及岸站分部研制中的一些技术问题,并通过岸站微机兼容、海浪波谱分析、平均风向的计算等方法进行了解决。
短句来源
     A formula for calculating the average value of wind direction is proposed. The formula provieds a general mathematics model in meteorologic statistics calculation when an average wind direction is "over zero" and continuous statistics calculation by a computer.
     本文导出风向平均值的计算公式,为气象统计中关于平均风向“过零”时的计算和利用计算机连续统计、计算提供了通用的数学模型。
短句来源
  “平均风向”译为未确定词的双语例句
     Determination of Wind Fields Using VAD Technique
     VAD技术反演平均风向风速的研究
短句来源
     Calculate Average of the Wind Direction of Microcomputer-Based Pilot Balloon Instrument
     电脑测风仪平均风向的计算
短句来源
     The analysis of Wc parameter also indicates that the daily mean wind direction between 2000m and 2100m is stable and doesn't change much more day by day before and after the onset of rain season.
     Wc分析表明,雨季前后40天2000-2100m之间日平均风向稳定,日际变化小。
短句来源
     In the paper,some case studies and statistical studies are performed on the relationship between the distribution of pH values of wet precipitation in Shanghai and horizonal air transport in the surface layer. The distribution of pH values of wet precipitation in Shanghai is closely related to the surface wind velocity, the prevailing wind direction,the maximum mixed depth (MMD) and the ventilation coefficient.
     对上海地区降水pH值与地面风向、混合层平均风向、地面风速以及通风系数进行实例分析和统计表明:在离市区较远的地区,酸雨的出现与混合层平均风向的变化有关,而与地面风向的变化关系不大;
短句来源
     Computing results indicate that the relative errors of the retrieve values,such as average or full azimuth wind speed and direction,of the two VAD methods are within 10% in their respective effective areas.
     实际应用中 ,针对不同情况 ,各算法得到的平均风向风速值与全方位资料结果的相对误差不超过 1 0 %。
短句来源
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  相似匹配句对
     MATHEMATICS MODELS OF AVERAGE WIND DIRECTION
     平均风向数学模型
短句来源
     THE CALCULATION ALGORITHMS FOR AVERAGE WIND DIRECTION AND THEIR COMPARISON
     平均风向的计算方法及其比较
短句来源
     For a sample of 38 sources we derive an average value of
     平均结果为
短句来源
     Mean Entropy
     平均
短句来源
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  wind drift
Is wind drift in migrating barnacle and brent geese, Branta leucopsis and Branta bernicla, adaptive or non-adaptive
      
Whether migrating birds compensate for wind drift or not has been discussed frequently during the last decades.
      
I also use wind data from the days when the trackings were made to construct expected flight paths to see whether wind drift or compensation would be the most beneficial behaviour.
      
A method for evaluating the water application rate (WAR) and uniformity coefficient (Cu) of overlapping irrigation sprinklers is given for realistic field conditions which includes wind drift of the sprinkler spray.
      
Results show that the effect of wind drift of sprinkler spray on Cu can be neglected for wind velocities less than 1 ms-1 (Fig.
      
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  average wind direction
Case histories are presented of an air pollution episode lasting several days, and of an hourly average wind direction difference of 120 ° over 70 m.
      
A plot of Z0 as a function of average wind direction revealed a variation in Z0 of almost three orders of magnitude, from 0.01 to 7 cm, over 120 deg of wind direction.
      
Horizontal dispersion is accounted for by averaging the calculated concentrations over a certain, wind speed dependent wind direction sector, centred on the average wind direction.
      
In addition, the warm and cool season verification statistics are stratified according to the average wind direction in the layer from 950 to 600 mb.
      


An automatic measurement system of the 320 meters meteorological tower is described. This system is being designed to provide the vertical structure of the meteorological elements that will meet the research objectives of the air pollution and the atmospheric boundary layer.Sensors to be described are the sensors of temperature at the ground, temperature difference between tw.o levels, wind speed and direction. In addition, the feature of automatic data processing system is described. This system can be divided...

An automatic measurement system of the 320 meters meteorological tower is described. This system is being designed to provide the vertical structure of the meteorological elements that will meet the research objectives of the air pollution and the atmospheric boundary layer.Sensors to be described are the sensors of temperature at the ground, temperature difference between tw.o levels, wind speed and direction. In addition, the feature of automatic data processing system is described. This system can be divided into two groups according to the desired sampling rate. One is for the form of profile of the mean wind speed, wind direction and temperature differece. The other is to sent the instantaneous data and signals of the fast response sensors.

本文重点介绍北京320米气象观测塔上进行平均场垂直梯度测量的自动化设备,并介绍各层安装的风向、风速、温差以及地面温度仪等的性能。塔上大量数据输入两种自动化处理系统。一种是将各层平均风向、平均风速、温差以垂直廓线的形式记录在电子电位差计上;另一种是将上述瞬时资料以及其它快速感应信号送入DJS-130电子计算机进行处理。

In the paper,some case studies and statistical studies are performed on the relationship between the distribution of pH values of wet precipitation in Shanghai and horizonal air transport in the surface layer.The distribution of pH values of wet precipitation in Shanghai is closely related to the surface wind velocity, the prevailing wind direction,the maximum mixed depth (MMD) and the ventilation coefficient.In the city areas, whether or not the pH value of wet precipitation is less than 5.6 depends on the...

In the paper,some case studies and statistical studies are performed on the relationship between the distribution of pH values of wet precipitation in Shanghai and horizonal air transport in the surface layer.The distribution of pH values of wet precipitation in Shanghai is closely related to the surface wind velocity, the prevailing wind direction,the maximum mixed depth (MMD) and the ventilation coefficient.In the city areas, whether or not the pH value of wet precipitation is less than 5.6 depends on the prevailing wind direction. In the leeward of the city, the pH value of wet precipitation decreases with the increase of the surface wind velocity and the ventilation coefficient.

对上海地区降水pH值与地面风向、混合层平均风向、地面风速以及通风系数进行实例分析和统计表明:在离市区较远的地区,酸雨的出现与混合层平均风向的变化有关,而与地面风向的变化关系不大;在市区下风方向,随着地面风速或通风系数的增大,降水pH值逐渐降低,当通风系数增加到一定量级后,下风方向才显著地出现酸雨。

Some p oblems in data acquisition and processing of the control system and in shore control system occured during the development stage of the FZF2—1 mooring buoy,which is one of the key scientific research p(?)ojects in our country on the period of 7th Five—year Plan are outlined in this paper.They have been solved through microcompu- ter compatibility of the shore station,wave spactrum analysis and the calculation of the average wind direction.

本文介绍(七·五)期间国家重点科技攻关项目—FZF2—1型海洋资料浮标的控制分部在数据采集、控制处理及岸站分部研制中的一些技术问题,并通过岸站微机兼容、海浪波谱分析、平均风向的计算等方法进行了解决。

 
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