solar angle

The influence due to change of solar hour angle in the position of focusing line for faceted fixed mirror solar concentrator

太阳时角变化对固定条形镜面聚光器焦线位置的影响

According to the solar altitudinal angle formula, earth rotation principle, ratio of building height and spacing meet minimum sunshine can be calculated by using solid geometry knowledge, technical data can be provided for solving construction daylighting entanglemant.

根据太阳高度角公式，地球自转原理，利用立体几何知识求算出楼房高度与最低日照要求下的间距比值，从而为解决建筑采光纠纷提供技术数据。

The system is composed of the diffusing plate, the calibration lamp, the blackbody, the equalizing equipment for calibration, the stability monitor for diffusing plate, the solar angle monitor and so on.

该星上定标系统由漫射板、定标灯、黑体、定标均衡装置、漫射板稳定性监测器和太阳入射角监测器等几部分组成。

There are many methods to measurement the flying attitude, such as solar attitude angle sensor, high-speed photography and geomagnetic field sensor.

飞行体的姿态测试方法有许多种，如太阳方位角传感器遥测、高速摄影法、地磁传感器等。

Daily variations of UV B radiation are greatly controlled by the solar zenith angle ( SZA), ozone and the sky conditions.

云和太阳高度角控制着UV－B辐射通量日变化过程。

The required input to the parameterization includes precipitable water, concentration of carbon dioxide amount, ozone amount, cloud amount, cloud visible optical depth, solar zenith angle and surface albedo.

计算所需要的输入变量有：大气可降水量，二氧化碳含量，臭氧总量，云量，云的光学厚度，太阳天顶角，地表反射率。

The principle of measurement and mathematical model of the solar aspect angle were given and a scheme of practicable digital telemetering system for the measurement was also propounded.

文中给出了太阳方位角测量原理及太阳方位角传感器数学模型，提出并实现了数字太阳方位角遥测系统。

On sunny days, the surface albedo decreased with the increase of solar altitude angle, and it almost became a constant when solar altitude angle was more than 40 °.

晴天地表反照率随太阳高度角的增大而减小，当太阳高度角大于40°时，地表反照率趋于稳定。

When the AOD value is greater than 1 with high solar zenith angle(> 60 °), the relative error can reach-40%. Satellite observations are an effective way to provide a regional coverage of aerosol optical depth and monitor the occurrence and evolution of dust storm.

当光学厚度大于1并且太阳天顶角较大时（60°），误差能达到-40%。卫星观测是提供全球气溶胶光学厚度分布以及监测沙尘发生的有效途径。

Considering the effects of solar altitude angle and soil water content, a two-factor parameterization formula of surface albedo was developed preliminarily.

据此，建立了内蒙古荒漠草原晴天地表反照率随太阳高度角与土壤含水量变化的双因子参数化方案。

Established the eye quantitative mathematical model of UV exposure: 2. In this study, ocular UV exposure through the eye model calculated instantaneous intensity: in the solar elevation angle 40 ° around, the ocular UV exposure is the largest. 3.

结论1、研究建立了眼部紫外线暴露定量的数学模型：2、本研究通过眼部紫外线暴露瞬间强度数学模型计算得出：在太阳高度角40°左右时，进入眼部紫外线暴露量最大。

In this study, we used this model field monitoring in Sanya area, where the solar elevation angle highest value can reach 90 °, to obtain the ocular UV exposure distribution during the day.

在本次研究中，将选用此模型在太阳高度角最高值可达到90°的三亚地区进行实地监测，获得人群眼部紫外线暴露的日间分布规律。

On the' hot spot', the NDVI is minimum, and it will increase around the 'hot spot' with the increase of view azimuth or solar zenith angle;

NDVI在‘热点’处获得最小值，在‘热点’两侧随观测天顶角或太阳天顶角的增加而增加；

When observing the object on ground from space, with the variation of the atmosphere, the solar altitude angle as well as the illumination of the scenery on ground affect the definition of the image on the CCD focal plane.

空间对地目标观察时，由于大气环境、太阳高角及地面景物亮度的变化影响地物在靶面上成象的清晰度。

This indicates that, besides solar angle, time and intensity of radiation, the height of trees is also an important factor that influences thermal effects of vertical thermal active surface of edges.

显示了林窗边缘壁面的热力效应除与太阳高度角、太阳辐射的时间长短和强度有关之外，林窗边缘树木高度也是不可忽视的因子。

The results show that the detectable stellar magnitude limits linearly increase with observing height and solar zenith angle.

结果表明：可探测星等极限值随观测高度和太阳天顶角的增加接近线性增加；

Relationships between global radiation, surface albedo and solar elevation angle for several underlying surfaces in the Heihe experimental area

黑河实验区若干下垫面总辐射、地表反射率与太阳高度角的关系

In winter, the solar height angle is higher than north and sunshine time is shorter than north.

湖北省四湖地区冬春季气候特点是：冬季太阳高度角较北方高，日照时数较北方少；

Albedo is bigger over Gobi site than that over Oasis site. Variation of albedo with solar zenith angle is mainly caused by near-infrared albedo.

绿洲上的反射率小于戈壁上的，戈壁上反射率随太阳天顶角的变化主要是由近红外波段反射率随太阳天顶角的变化引起的；

Tracking the solar elevation angle and azimuth angle, drive actuators rotate.

驱动执行机构对太阳高度角和方位角进行跟踪转动，最后总结了跟踪系统误差产生的主要原因，并提出了系统改进方案。

As a large number factors affect ocular UV exposure, including the solar elevation angle, altitude, ground reflection, sky scattering and facial anatomy etc, so individual ocular UV exposure quantification has been severely limited for a long time.

由于眼部紫外线暴露的影响因素较多，包括太阳高度角、海拔、地面反射、天空散射和面部解剖特征等，因此长期以来，个体眼部紫外线暴露的定量一直受到较大的限制。

As illustrated in our sensitivity study and demonstrated in real measurements, the transmittance ratio at selected wavelengths is insensitive to solar zenith angle and major atmospheric gaseous absorption.

敏感性试验和实际观测表明，所选择波段的透射比对太阳天顶角和主要的大气气体吸收是不敏感的。

Telemetering for the attitude of projectile in flight based on the principle of solar aspect angle

基于太阳方位角原理的炮弹飞行姿态遥测

Discusses on the Application of Solar Altitudinal Angle in Processing Construction Ent angle mant

谈太阳高度角在处理建筑纠纷中的应用

The average classification accuracy in the test area had been increased to 70.4% in case the combination processing of original MSS images with solar incident angle data was taken.

其中附有太阳入射角数据的MSS影象分类精度达到70.4%。

The surface albedo had a typical exponential relationship with solar altitude angle. The linear or exponential relationship existed between surface albedo and soil water content.

晴天地表反照率与太阳高度角呈指数关系，与土壤含水量呈指数或线性关系，两者共同解释了地表反照率变化的68%左右。

There exist negative correlation between the optical thickness of effective radiation layer and the droplet effective radius near cloud top, solar zenith angle and satellite zenith angle, not obvious for the relative azimuth angle.

有效辐射层的光学厚度与云上层有效粒子半径、太阳天顶角、卫星天顶角等因素呈反相关，与相对方位角无必然联系。

In this paper a study is made on the telemetering system of solar aspect angle by digital measurement and pre processing on board to meet the needs of measurement in the flying projectile attitude conventional ordnance.

本文根据常规兵器外弹道弹丸飞行姿态测试这一应用需求，采用数字测量技术及弹载预处理技术，对太阳方位角遥测系统进行了研究。

This paper deals with a displace of focusing line position which is caused by change of solar hour angle when a long axis of FMSC is placed in east-west direction.

本文讨论了当固定条形镜面聚光器长轴沿东西向放置时，太阳时角变化所引起的焦线位置的移动。

The results are as follows: ( 1) Solar incident angle, especially zenith angle can change the shape of BRDF.

具体研究结果如下：（1）太阳入射角度，特别是太阳天顶角能改变水体二向反射分布函数的形状。