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sun photometer
相关语句
  太阳光度计
     Application Prospect of Measurement by Sun Photometer CE318 and Retrieval Methodology
     CE318太阳光度计观测资料应用前景及其解读
短句来源
     The Key Techniques of Using MICROTOPS II Hand-held Sun Photometer on the Sea
     MICROTOPS II手持式太阳光度计海上测量关键技术
短句来源
     By using the direct solar radiation data measured by a CE-318 sun photometer in Inner Mongolia during the period between June 2002 and May 2003,the aerosol optical thickness(AOT) and size distribution were retrieved by extinction method.
     利用CE-318太阳光度计在内蒙古额济纳旗、东胜、锡林浩特三地观测的2002年6月—2003年5月间的太阳直接辐射数据,应用消光法反演大气气溶胶光学厚度[AOT(λ),Aerosol OpticalThickness]和粒子谱分布,并分析其变化特征。
短句来源
     Based on measurements on 936nm water-vapor band and 870nm atmospheric window band for CE318 sun photometer,A method of water vapor amount estimation by an improved Langley plot is presented. Calibration of CE318 sun photometer and calculation of water vapor amount are also described.
     基于CE318自动跟踪太阳光度计水汽通道(936nm)和一个窗区通道(870nm)的北京上空太阳直射辐射观测数据,利用修改的兰勒方法对大气柱水汽含量的估算方法,开展了太阳光度计的标定和北京上空水汽含量的计算等。
短句来源
     By using the direct solar radiation data measured by CE-318 sun photometer in Inner Mongolia during the period between June 2002 and May 2003, the aerosol optical thickness (AOT) and size distribution were retrieved by extinction method. The radiative properties including scattering efficiency, single scattering albedo (SSA), extinction coefficient were analyzed.
     本文利用从2002年6月至2003年5月间,CE—318太阳光度计在内蒙古额济纳旗、东胜、锡林浩特三地观测获得的太阳直接辐射数据,应用消光法反演沙尘气溶胶光学厚度[AOT(λ),Aerosol Optical Thickness]、粒子谱分布以及沙尘粒子的散射效率因子、单次散射反照率、消光系数等辐射特性,并分析其变化特征。
短句来源
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  太阳辐射计
     Two methods of atmospheric column water vapor content retrieval from 940nm NIR and adjacent bands of CE318 sun photometer based on water vapor absorption in this region are introduced. They are respectively modified Langley Plot and ratio method.
     介绍了利用太阳辐射计-CE318近红外940nm水汽吸收通道反演水汽含量的两种方法-改进的Langley法和比值法.
短句来源
     The application of CMOS image sensors ADCS-2121 is used in full automatic portable sun photometer to introduce the application of CMOS image sensors in pointing of optical system, and compared with traditional method that choosing quarter sensor as facular detector.
     结合CMOS图像传感器ADCS-2121在全自动便携式太阳辐射计中的应用介绍了CMOS图像传感器在光学系统定位中的具体应用,并与传统的采用四象限探测器作为光斑探测器进行了比较。
短句来源
     The study shows that sun photometer is a kind of instrument for effectively measuring the atmospheric column water vapor.
     研究表明太阳辐射计是一种便携有效的水汽测量仪器.
短句来源
     Using Sun Photometer to Retrieve Atmospheric Column Water Vapor Content of Hefei Region
     利用太阳辐射计反演合肥地区的水汽含量
短句来源
     In this paper, the calibration of sun photometer, the calculation of atmospheric aerosol optical thickness and the Angstrom parameters a and β obtained from aerosol optical thickness are discussed.
     本文在讨论了太阳辐射计的标定、大气气溶胶光学厚度的计算和Angstrom参数的计算等问题的基础上,介绍了利用多波段太阳辐射计对黄海海域气溶胶光学厚度的洲量和研究。
短句来源
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  “sun photometer”译为未确定词的双语例句
     Estimation of Water Vapor Amount over Beijing from Sun Photometer Measurements
     利用太阳光度计测值估算北京上空水汽含量
短句来源
     Sun photometer based on light-emitting diodes as spectrally selective detectors
     基于发光二极管探测器的太阳光度计的研究
短句来源
     The atmospheric parameter is necessary for atmospheric correction algorithm of satellite on the sea, and the accuracy of measuring data of hand held sun photometer is main approach to derive the atmospheric parameter.
     海上的大气参数是卫星遥感器进行大气校正所需的重要参数 ,而手持式太阳光度计的现场测量精度又是能否准确地获得大气参数的重要环节 ,此环节将直接影响大气参数后期数据处理的准确性与可靠性。
短句来源
     Remote Sensing of Aerosol Optical Properties with Multi-Spectral Sun Photometer in the Damxung Region, Tibetan Plateau
     地基多波段遥感西藏当雄地区气溶胶光学特性
短句来源
     The techniques of retrieving aerosol optical depth from EOS MODIS was introduced first, then our several recent research works with MODIS were summarized, including calibrating the MODIS 10 km Level 2 products of NASA by our surface sun photometer observations, analyzing the aerosol distribution patterns over China, remote sensing high resolution (1km) aerosol optical depth products and applying the aerosol products on studying the air pollution problems.
     介绍了利用EOS卫星上MODIS传感器遥感大气气溶胶光学厚度 (AOD)的技术 ,总结了作者利用MODIS资料进行的研究工作 ,包括利用太阳光度计的地面观测进行MODIS 10km分辨率Level2气溶胶产品的校验、利用该产品分析我国陆地上空气溶胶光学厚度分布特征、1km高分辨率气溶胶光学厚度反演、气溶胶光学厚度产品应用于大气污染的分析等。
短句来源
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  sun photometer
However, for exceptional very clear days having maximum actinometric intensity of the solar radiation the sensitivity of the microamperimeter in theVolz sun photometer fails.
      
Turbidometric estimations in Mexico city using the Volz sun photometer
      
Of the 9 filters, 4 were not included in the standard equipment of the sun photometer.
      
A sun photometer fitted with 9 narrowband interference filters from 368 nm to 1024 nm was used to determine the aerosol optical depth at 8 measuring stations in Europe.
      
Measurements of the spectral aerosol optical depth using a sun photometer
      
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Error analysis and correction is applied to a specific multi-wavelength sun-photometer, which is used for aerosol remote sensing at four locations in China. The results show that instrument calibration, filter bandwidth, gas absorption, etc. can bring serious errors. Several methods are used to correct these kinds of errors, especially a" three band method" is put forward to reduce the errors brought by water vapor. After the correction, it is shown that the relative error is no larger than 10% for...

Error analysis and correction is applied to a specific multi-wavelength sun-photometer, which is used for aerosol remote sensing at four locations in China. The results show that instrument calibration, filter bandwidth, gas absorption, etc. can bring serious errors. Several methods are used to correct these kinds of errors, especially a" three band method" is put forward to reduce the errors brought by water vapor. After the correction, it is shown that the relative error is no larger than 10% for very clear condition and is about 2% for medium turbidity.

结合1998年实际遥感气溶胶所用多波段光度计,详细分析了由于仪器定标、仪 器视场角、滤光片宽度、气体吸收等方面带来的误差,并提出了相应的订正方法,特别是针 对水汽的吸收,提出了三波段差分吸收订正法。结果表明,通过误差订正,遥感精度有很大 提高,气溶胶光学厚度在0.1左右,相对误差不超过10%,中等大气浑浊度情况下相对误差 2%左右。

The method of remote sensing aerosols using MODIS data is introduced. The aerosol products from MODIS are compared with the results from the sun photometer observations at Peking University. The two data series fit very well with high correlations. Some pictures are shown which described the aerosol optical depth (AOD) distribution over Beijing. We found that the remote sensing from space had provided us a new way to understand the regional air pollution better, and the AOD data from satellite observations...

The method of remote sensing aerosols using MODIS data is introduced. The aerosol products from MODIS are compared with the results from the sun photometer observations at Peking University. The two data series fit very well with high correlations. Some pictures are shown which described the aerosol optical depth (AOD) distribution over Beijing. We found that the remote sensing from space had provided us a new way to understand the regional air pollution better, and the AOD data from satellite observations filled up the shortcoming of the data from ground observations with limited spatial coverage. Aerosol data from space are useful not only to the research on global and regional climate but also to the analysis of urban pollution.

介绍MODIS卫星遥感气溶胶的方法 ,利用北京大学地面多波段太阳光度计的观测进行了对比 ,二者的相关性比较好。给出了描述北京地区气溶胶光学厚度分布的几幅图片。卫星遥感对于更好地研究空气污染提供了一种新手段 ,卫星遥感的气溶胶光学厚度弥补了地面观测空间覆盖不足的缺陷。卫星遥感的气溶胶资料不仅对全球和区域气候研究而且对城市污染分析提供了丰富的资料

Aerosol optical depths were measured by a sun photometer from July 2000 to July 2001 in the Beijing urban area. The direct solar radiation data for 50 days were acquired in the measurements. Estimation of aerosol optical parameters, such as the aerosol optical depth and Junge parameters and atmospheric coefficients, is conducted, and the characteristics of air particle distribution in different weather conditions in Beijing are given. Analysis shows that the measurements are very important for analyzing...

Aerosol optical depths were measured by a sun photometer from July 2000 to July 2001 in the Beijing urban area. The direct solar radiation data for 50 days were acquired in the measurements. Estimation of aerosol optical parameters, such as the aerosol optical depth and Junge parameters and atmospheric coefficients, is conducted, and the characteristics of air particle distribution in different weather conditions in Beijing are given. Analysis shows that the measurements are very important for analyzing and monitoring air pollution in the Beijing urban area.

该文依据气溶胶光学厚度测量原理 ,利用CE3 1 8太阳光度计 ,于 2 0 0 0年 7月~ 2 0 0 1年7月期间对北京地区大气气溶胶光学厚度进行观测试验 ,计算得到约 5 0天的气溶胶光学厚度和Junge参数等大气光学特性数据 ,给出了北京地区气溶胶光学特性分布特征。计算统计得到北京城区晴空条件下的Junge参数为 3 .1 5、2 0 0 1年 3月份沙尘天气状况下急剧下降为 2 .2 8,而北京郊区顺义县的测量结果介于二者之间为 2 .6 5。分析表明 ,由试验获得的气溶胶光学特性数据对于分析和监测北京地区大气污染、改善北京地区空气质量具有一定的意义

 
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