The principle and instrument structure of Hadamard transform spectral imager is described, and spectra aliasing caused by Hadamard encoding mask is investigated.

叙述了阿达玛变换光谱成像仪的原理及仪器构成，对阿达玛编码模板引起的光谱混叠现象进行了分析研究。

youdao

Use the necessary instrument Polygonal Lasso Tool to outline the mask contour.

使用多边形套索工具将面膜部分选中。

youdao

Electron beam lithography machine is the key instrument for mask making and research of nanometer device.

电子束曝光技术是掩模版制作和纳米器件研究的主要手段。

youdao

It was said he wore the mask of populism to create a dangerous instrument of personal power and personal wealth.

BBC: Banker + gangster = bankster