The principle and instrument structure of Hadamard transform spectral imager is described, and spectra aliasing caused by Hadamard encodingmask 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。
2
As a result, the thesis analyzes the mask effect theory, and discusses its application in audio encoding.
因此，本文又详细分析了掩蔽效应原理，并分析了其在音频编码中的应用。
3
By discussing the existing voice and audio encoding technology, the thesis designs an CNG algorithm which is based on the mask effect theory.