另外，高度距平场也有不同特征。
In addition, there were different characteristics in height anomaly field.
载入一个平场图片。
介绍利用ZEMAX软件设计平场全息凹面光栅方法。
A method which use ZEMAX software to design flat field holographic concave grating is given in this article.
计算结果表明，二元透镜在平场光学系统中具有实用价值。
The calculated results show that the binary lens has practical application value in field flattening optical system.
南海典型冷暖年份合成SST距平场的时空结构十分相似；
The fields of composite SST anomalies in abnormal cold and abnormal warm years are similar not only spatially but also temporally.
采用平场凹面全息光栅和多通道检测器设计了一个小型的色散系统。
Design of a dispersing system based on a multi channel detector and a flat field holographic concave grating.
提出一种利用ZEMAX软件设计、分析评价平场全息凹面光栅的方法。
A method which USES ZEMAX software to design, analyse and evaluate flat field holographic concave grating is given in the paper.
利用光路追踪程序对不同入射距离的变栅距平场光栅的成像进行了研究和设计。
Using a ray-tracing code, A flat-field grazing-incidence spectrometer with 155mm inc ident distance was designed.
分析研究了影响黑白面阵CCD相机平场的因素，提出了一种新的平场校正方法。
Influence factors of flat-field for the monochrome array CCD camera are analyzed and researched. Anew method of image correction is presented.
介绍一种从罗兰圆结构出发，利用ZEMAX光学软件设计平场全息凹面光栅的方法。
A method which is based on Rowland mount and use ZEMAX software to design flat field holographic concave grating is given in this article.
还指出仅当柱面或平面光栅时，才能形成二阶子午无离焦平场和弧矢无象散圆场谱面。
It is also shown that only when the gratings are cylinder or plane ones, the second order sagittal anastigmatic circular field and meridional non defocus flat field spectral images can be formed.
运用非线性主成分分析法对欧亚地区1948—2007年冬季海平面气压距平场进行分析。
Eurasian winter sea level pressure anomalies during 1948-2007 were investigated by applying a nonlinear principal component analysis (NLPCA) method.
运用非线性主成分分析法对欧亚地区1948—2007年冬季海平面气压距平场进行分析。
Eurasian summer sea level pressure anomalies during 1948 -2007 were investigated by applying a Nonlinear Principal Component Analysis (NLPCA) method.
研究结果表明：OLR月平均距平场的变化与TC在华南地区的活动具有一定的遥相关关系；
The results show: (1) There are some teleconnection relations between the changes of the monthly mean OLR departure and the impact of the TC in southern China;
结果表明，应用高速倾斜反射镜可以非常有效地对太阳像进行平场处理，提高太阳像成像质量。
The results show that it is very effective to do flat field processing for solar images with tip-tilt mirror. After making flat field correction, the quality of the solar images can be improved.
误差小于1%。除B滤光片之外，在一定范围内圆顶平场和天空平场之间最大差异均小于1%。
Except the B filter, all the sky flats and dome flats show no significant differences (at the 1% level).
介绍了平场全息光栅、图象全息光栅、超环面全息光栅、激光全患光栅和闪耀全息光栅的新进展。
The new development of flat field holographic gratings, monographs holographic gratings, toroidal holographic gratings, laser holographic gratings and blazed holographic gratings are discussed.
研究了应用于微型光谱仪的平场全息凹面光栅的设计方法，提出了全局优化和反向优化的设计思想。
A design method with globe optimization and reverse optimization was presented to achieve a flat-field holographic concave grating used for micro-spectrometer system.
在平场凹面全息光栅的设计制作中，不可避免的存在曲率半径误差，严重影响光栅光谱仪的分辨率。
The spectral resolution of the spectrometer will be seriously deteriorated by radius error which is inevitable in the flat-field holographic concave grating fabrication.
基于平场凹面光栅分光和线列阵探测器探测的最新设计方案，进行了短波红外波段地物光谱仪的光机设计。
Based on flat field diffraction gratings and array detectors, the optics and structures of a Shortwave Infrared (SWIR) field spectroradiometer were designed.
基于全息凹面光栅理论和ZEMAX软件，设计了一种用于平场光谱仪的消象差平场非球面全息凹面光栅。
Based on the holographic concave grating theory and ZEMAX software, an aberration-corrected flat-field holographic concave grating on aspherical surface for a flat-field spectrograph is designed.
并采用了平场域法、利用太阳辐射光谱两种方法对图像进行反射率反演，将辐亮度值反演为绝对反射率值。
Both the Flat-Field method and the method which utilize the solar radiation spectrum are used on reflectance, inversion in order to transform radiant brightness image into reflectance, image.
近40年赤道太平洋和北太平洋月平均海温距平场分布存在着短期气候振动，分析表明，它对大气环流有一定的影响。
Distributions of monthly sea surface temperature (SST) anomaly field over the equatorial Pacific and the northern Pacific have short-term climatic oscillations in the past 40 years.
本文给出了平场输入和输出edg的设计方法，并利用标量衍射理论对设计的结果进行模拟，验证了平场输出EDG具有很好的分波效果。
The scalar diffraction theory is used to verify the design and the numerical results show that the designed EDG has a good performance.
华北台风降水水丰、枯年海平面距平场最显著的差异在在巴尔克什湖至鄂霍次克海一带，以及日本列岛、我国南海和菲律宾以东的洋面上；
The notable difference of sea level pressure in high(low)-precipitation seasons can be found from Baikal lake to Okhotsk sea, Japanese islands, from South China sea to eastern Philippines;
根据新划分的1 90 0 ~ 1 998年东部夏季雨型序列，分析了与各类雨型相对应的北半球海平面气压场和海表温度距平场的特征。
Based on summer rain patterns of east China during 1900 ~ 1998, North Hemisphere SLP and SST anomaly fields for every rain patterns are studied by the use of statistic method.
报道一种利用象差校正平场全息凹面衍射光栅作为分光和成象元件的平场多色仪，该多色仪具有谱面平直、使用波段宽、集光本领强、体积小等优点。
In this paper, the flat field polychromator (SPD - I) using an aberration - corrected flat fie1d holographic concave diffraction grating as both spectroscopic and oPtical imaging element is re-POrted.
报道一种利用象差校正平场全息凹面衍射光栅作为分光和成象元件的平场多色仪，该多色仪具有谱面平直、使用波段宽、集光本领强、体积小等优点。
In this paper, the flat field polychromator (SPD - I) using an aberration - corrected flat fie1d holographic concave diffraction grating as both spectroscopic and oPtical imaging element is re-POrted.
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