This paper introduced the basic theories of wavelet .
本文介绍了微波的基本原理。
2
Theoretic calculation show that wavelet can be reconstruct from double spectrum of theoretical seismic data for seismic wavelet with different characters.
理论计算表明，对不同性质的地震子波，均可从理论地震记录的双谱中重构子波。
3
It is then subject to such mathematical indignities as wavelet decomposition, multi-resolution Fourier analysis, polyphase filtering and discrete cosine transformation.