直接辐射

基于DEM模型计算北京西部山区太阳直接辐射的空间分布

Calculation of solar direct radiation over rugged terrain in west Beijing

利用建立的大气气溶胶辐射强迫模式，对我国历年大气气溶胶（TSP和硫酸盐气溶胶）引起的直接辐射强迫进行了计算，并给出其全国分布。

The direct radiation forcing ( RF ) caused by atmospheric aerosol ( TSP and sulfate aerosol ) over the years was calculated through using the built RF model of atmospheric aerosol , and the geographic distribution was also got .

基于GIS太阳直接辐射模型的研究

Studies on Modelling Direct Solar Radiation in a GIS Environment

K（αβ）为坡地直接辐射换算系数。

K αβ the conversion coefficient of the direct solar radiation on the slopes .

于是得到各种透明系数P2状况下太阳直接辐射通量密度随大气质量变化的平均关系。

Thus the averaged relationships between the flux density of the direct solar radiation and the air mass under various coefficients of transparency P2 were obtained .

用Monte-Carlo法计算直接辐射交换面积

Calculation of direct radiative exchange areas using Monte Carlo method

在PAR波段，晴天条件下，玉米冠层内总辐射的分布主要决定于太阳直接辐射的分布；

Under sunshine conditions , the PAR conditions in maize canopy are mainly governed by direct solar PAR .

本模型只需数字高程模型（DEM）就可计算太阳直接辐射、日照时间和简化的散射辐射。

The model presented here only uses a digital elevation model ( DEM ) to compute direct solar radiation , time of irradiation and simply diffuse radiation .

本文基于GIS技术，利用DEM获取地形因子，在GIS中建立了晴空太阳直接辐射模型。

This paper presents a model for estimating daily direct solar radiation . The model is based on technology and theory of GIS , using DEM to caculate slope , aspect and shading .

对ZnO薄膜发光光谱常见的三个发光带，即紫外、绿光和黄光而言，紫外发光普遍被认为是带-带直接辐射复合发光或激子发光；

There are usually three types of luminescence bands in spectrum of ZnO thin film , which are UV luminescence , green luminescence and yellow luminescence . Ultraviolet emission is generally attributed to band-band direct radiative recombination or excitons radiation .

本文从理论推导、数值计算和实验等方面研究了两类可以直接辐射轴对称模式的天线&Vlasov天线和COBRA天线。

Two kinds of antenna , Vlasov antenna and COBRA , which are suitable for radiating cylindrically symmetric modes , are investigated through theoretic analyses , numerical calculations and experiments .

在此基础上，应用山地气候学理论研究了坡度、坡向、高度、地理位置等对该地区一年内不同季节可能太阳直接辐射（Q）空间分布的影响。

Based on the DEM and Mountain Climatology theories , the effects of slope , aspect , height above sea level and geographic location on spatial distribution of total possible direct solar radiation ( % Q % ) of different seasons in a year were studied .

利用MODIS-GOCART气溶胶资料研究中国东部地区气溶胶直接辐射强迫

Study of the direct radiative forcing in East China with modis-gocart assimilated aerosol optical depth

在进行计算时首先选择了天空晴朗无云、大气层结很稳定的天气条件下的太阳直接辐射数据，利用Langley法对太阳光度计进行了定标。

We calculate the calibrate coefficient by using the method of Langley with the data of direct solar radiation whet it is fine and stratification of atmosphere is stability first .

初步实验观测结果表明，地面与320m高度之间的辐射衰减明显，在极晴好天气下太阳直接辐射在中午时段相差仅10W/m2左右，而在近地面污染严重的条件下其相对差值最大可达140W/m2左右。

The results show that the decrease of radiation from the height of 320 meters to the ground is evident , the difference value is only 30W / m 2 in fine weather and 140W / m 2 while there is heavy pollution near the ground , respectively .

中国坡地太阳直接辐射分布特征

Distribution characteristics of direct solar radiation on mountain slopes in China

太阳直接辐射光量子通量的气候学计算方法

The climatic estimation of photon flux density of direct solar radiation

基于地理信息系统的太阳直接辐射与冰川物质平衡的关系

Potential Direct Solar Radiation Based on GIS and Glacier Mass Balance

玉米冠层内太阳直接辐射三维空间分布的模拟

Modelling the three dimensional distribution of direct solar radiation in maize canopy

我国直接辐射的计算方法及分布特征

The calculation method of direct solar radiation and its distribution in China

我国近50年来太阳直接辐射资源基本特征及其变化

Essential characteristics of solar direct radiation over recent 50 years in China

中国地区黑碳气溶胶直接辐射效应的数值模拟研究

Simulation of the direct radioactive effects of black carbon aerosol in China

中国地区硝酸盐气溶胶光学厚度和直接辐射强迫的模拟研究

Optical Depth and Direct Radiative Forcing Distribution of Nitrate Aerosol in China

直接辐射式动圈扬声器实用阻抗分析

Practical Impedance Analysis of the Direct-radiator Type Moving-coil Loudspeaker

东亚地区人为硫酸盐的直接辐射强迫

Estimation of the Direct Radiative Forcing Due to Anthropogenic Sulfate over Eastern Asia

山区太阳直接辐射的空间高分辨率分布模型

Distribution model of direct solar radiation with high spatial resolution in mountainous areas

利用水平面太阳直接辐射日曝辐量反演大气气溶胶光学厚度的方法研究

A Study of Retrieving Aerosol Optical Depth from Daily Horizontal Broadband Direct Solar Radiation

第二：对于现实生活的直接辐射。

Second : direct radiation for real life .

太阳直接辐射的分光测量

The spectral measurement of the solar direct radiation

硫酸盐气溶胶直接辐射效应在线与离线模拟方法的比较

Comparison of on-line and off-line simulation methods for direct radiative forcing of anthropogenic sulfate