正射投影

发布于:2021-08-01 21:42:03

正射投影
正射投影又称“直角投影”。属任意性质的视透方位投影。即投影*面切于地球面上一 正射投影 点,视点在无限远处,投影光线是互相*行的直线,并与投影*面相垂直。可显示出 半球。按投影面位置可分为正轴、横轴与斜轴三种。投影中心无变形,离中心越远变 形越大,所有纬线圈(正轴)或等高圈(横轴、斜轴)无长度变形。此投影变形较大, 不适用于一般地图,常用于天体图,如月球图或其他天体图。

透射投影
1) transmission projecting equation 透射投影方程 2) Transmission 透射 1. On the comparision among the infrared transmission reflection and absorption of textile fibre assemblance; 纺织纤维集合体与红外辐射──对红外辐射透射、反射、吸收的比较研究 2. Study of enhanced transmission of terahertz radiation through subwavelength fractals structures; 亚波长分形结构太赫兹透射增强的机理研究 3) homology 透射 1. Determination of homology ratio of two space Desargues configuration; 成透射两空间笛沙格构图透射比的确定 2. There is possibility to set homology constriction between conicsections of different kinds of position. 所有二次曲线之间存在建立透射结构的可能性。 3. the homology; question of three-dimensional figure is investigated. 探讨了三维图形的透射问题,找出一种空间场透射方程,并以此为基础,分析了球面透射的 一般情况和重要的特殊情况。 4) Transmission spectrum 透射光谱 1. Study on transmission spectrum of ZnO films; ZnO 薄膜的透射光谱研究 2. Study of Measuring Grating Parameters with Transmission Spectrum and Design of Perfect Anti-reflection Coating;

透射光谱法测量光栅参数的研究与全抗反射膜的设计 3. Kinetics of the oxidation process of the copper films in the thickness range of 16~22 nm at 140 ℃ was studied by using transmission spectrum and sheet resistance methods. 采用方块电阻和透射光谱两种方法为表征手段,测量 16~22nm 范围内不同厚度 Cu 薄膜在 140℃下完全氧化所需要的时间,得到了 Cu 薄膜氧化反应的动力学曲线,并利用 X 射线衍射 (XRD)分析了氧化产物的晶相结构和成分。 5) transmittance 透射率 1. Study of the Heat Treatment and Transmittances of TiO_2 Thin Films Prepared by Ti-O Compounds; Ti-O 化合物制备 TiO_2 薄膜热处理及透射率研究 2. Measurements of Diffusion Reflectance and Transmittance of Biological Tissues by Using CCD; 用 CCD 测量生物组织的漫反射率和透射率 3. Influence of Depositing Temperature on Microstructure and Optical Transmittance of ZrO_2 Films; 沉积温度对 ZrO_2 薄膜相结构和透射率的影响 6) transmission welding 透射焊接 1. Fixture design of laser transmission welding plastics; 激光塑料透射焊接夹具设计 2. The influence of laser transmission welding parameters for polypropylene(PP) plastics on welding quality is investigated by orthogonal design method. 利用正交实验方法,研究了聚丙烯(PP)塑料的激光透射焊接工艺参数对焊接质量的影响。


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