本文首先论述了遥感图像多光谱假彩色合成中组合波段的选择方法以及彩色合成的几种方法。
Several methods of the choice in assembled spectral and color composite in false color composite of multi-spectral RS images are discussed.
采用溶胶-凝胶技术合成了掺杂蓝光波段激光染料Coumarin461的SiO2基固体材料。
Coumarin 461(C461) Dye doped and SiO 2 based solid laser material with blue band was synthesized by sol gel technique.
本文主要介绍利用谐波混频技术设计的X波段频率合成器。
An X-band frequency synthesizer designed with harmonics mixing technology is presented.
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