In order to extract water information from high-spatial remote sensing images, wavelet technique was used to expend the information of the object images, and clean main noise of the images; then another method was present to conserve linear water, which is called multi-window linearity reserve technique, then character noise cleaning is used to clean the image noise.

Upon it, a windowed linear prediction method under the MMSE law is presented for estimating the channel initial frequency response.

The auto-term support of the WD is estimated from a set of spectrograms with Gaussian linear chirp windows(GLCW\'s),where the auto-term supports of all the spectrograms are estimated by thresholding the spectrograms followed by morphological filtering,and then the intersection set of all the estimated supports is used as the auto-term support estimate of the WD.

We describe the basic rule of setting of the energy window and calculation of widthof the energy window in the analysis of the Gamma energy spectrum,and explain howthe setting of the energy window influences analysis and calcuation of the spectrum bynatural Gamma energy spectra of some rock cores here.