Meteorology. Wind measurements. Wind tunnel test methods for rotating anemometer performance.
气象学。风速测量计。测定旋转式风速计性能的风洞试验方法。
A variational method for retrieving wind vector from single-Doppler wind measurements is developed and the initial forecast fields are created from the retrieved winds.
文中给了一种由单多普勒雷达资料反演风矢量场的变分方法,并由此形成预报初始场。
Vertical velocity of the aircraft, vertical wind derived from flight parameters, head wind derived from on - board wind measurements and variation of on - board winds during the approach.
航机的垂直速度由航机参数计算所得的垂直风速度机上测风仪量度的逆风速度及航机在降落时遇到的风场变化。
Because direct measurements of wind speeds are so unruly, Pryor's team also tracked indirect measurements.
为了弥补直接观测的缺陷,普莱尔的团队也对风速进行了非直接观测。
Lyons and Kim used the radar measurements to study the strength of the interaction between the solar wind and the Earth's magnetosphere.
里昂和金使用雷达量测来研究太阳风和地球的磁气圈之间相互作用的强度。
He was a welcome Pal to legions of meteorologists and scientists passing through during weekly stints taking weather measurements in hurricane-force wind and heavy fog.
在众多每周须上山测量飓风级风力和浓雾等气象资料的气象学者和科学家眼中,牠是一个受欢迎的好伙伴。
And these measurements can effectively reduce and prevent the occurrence of wind and sand damage.
这些措施能有效地减小和防止风沙灾害的发生。
The most accurate and reliable technique involved the measurements of wind speed and ammonia concentrations in the atmosphere at 0.8 m above the floodwater surface.
其中最准确可靠的方法是分别测定水面以上0.8米处的风速和氨的浓度,以计得氨挥发量。
The instantaneous wind pressures on the model surface were obtained from the synchronous multi-channel pressure measurements.
模型表面的瞬态风压利用多通道同步压力测量而得到。
In the case of gradual and abrupt shift of wind direction, computed response time scales agree with field measurements and the evolving two dimensional spectral structures are well depicted.
在风向逐渐或骤然改变情形下,计算的时间响应尺度与海上观测符合,而且演化中的二维谱结构得到良好刻画。
Force and PIV local flow measurements were conducted in a low speed wind tunnel to study the effectiveness of serrated Gurney flap at different deflections.
用低速风洞测力试验和襟翼处绕流的PIV测量试验研究锯齿形格尼襟翼在不同偏角下的增升效益。
Experimental measurements were carried out in a large-scale low speed heat transfer wind tunnel in Northwestern Poly-technical University.
所有的实验均是在西北工业大学大尺寸低速叶栅传热风洞中完成的。
A thermocouple anemometer suitable for wind speed and wind gradient measurements has been constructed.
本文介绍一种适合观测风速及风速梯度用之热电偶风速仪。
Appropriate circuits for wind speed and for wind gradient measurements are also described.
文中并介绍了实际用以测定风速及风速梯度时可用的线路。
The existing wind wave growth formulas (WWGFs) in the form of power function, which were presented on the basis of measurements, are analyzed.
对已有根据观测提出的幂函数形式风浪成长关系进行了分析。
After the wind direction and wind speed measurements are dealed with the error compensation, it has been sufficed the sail-assisted ship on the wind metrical accuracy.
经过误差补偿处理的风向风速测量结果,可以满足风帆助力船舶对风的测量精度要求。
The latter, which had such these virtues as non-contact measurements, small flow field disturbances and larger measured areas, was widely applied in wind tunnel tests.
红外热图技术是一种非接触测量技术,具有对流场无干扰、大面积测量等优点,在风洞试验中获得了广泛的应用。
This paper presents two methods of using double servo accelerometers to make precision model attack angle measurements in wind tunnel testing.
提出采用双伺服加速度计同轴和垂直系统的两种方法,能够解决风洞模型攻角传感测量中的抗振动干扰问题。
Based on the analysis of the differences between wind tunnel test and field measurements and the differences between numerical results and test data, some referential conclusions are drawn.
将数值预测的压力场与实测结果及缩尺模型风洞试验数据进行了比较,分析了风洞试验与场地实测之间、数值模拟与试验之间的异同,得到一些有参考价值的结果。
Particle Image Velocimetry (PIV) Measurements were carried out on a 2-d flow field around the greenhouse in the atmospheric boundary layer wind tunnel.
在大气边界层风洞中,利用粒子图像速度场仪(PIV)对风绕过二维温室的流动进行了流场测量。
Experimental measurements were performed in a low speed wind tunnel for both original and modified turbine LGV's which are used in turbofan engines under different operating conditions.
在低速风洞上,对某型弹用涡扇发动机涡轮低压导向器原型和改型进行了变工况条件下的详细流场测量。
Detailed flow field measurements were conducted in a low speed wind tunnel for both original and modified LGV's which are used in turbofan engines.
采用实验方法对某型弹用涡扇发动机涡轮低压导向器原型和改型进行了详细的低速风洞实验。
In this paper, the method of the retrieval of vector wind field measurements with a least-square procedure through processing the Doppler velocity data obtained by VVP technique is discussed.
本文讨论用最小二乘法处理VVP技术下测得的多卜勒速度来获取矢量风场信息量的方法。
Based on the pressure measurements of wind tunnel test on a rigid structural model, this paper first calculated the equivalent objective responses induced by fluctuating wind.
在刚性建筑模型风洞测压试验的基础上,首先求出脉动风致等效目标响应。
Based on the pressure measurements of wind tunnel test on a rigid structural model, this paper first calculated the equivalent objective responses induced by fluctuating wind.
在刚性建筑模型风洞测压试验的基础上,首先求出脉动风致等效目标响应。
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