The Convolution Integral Arithmetic of Harmonic Wavelet Filter in the Data Processing of Aerial Gravity Measurement
YE Xiu-song · Hydrographic Surveying and Charting · 2010
The filtering extract is an important step of the data processing of aerial gravity measurement.The harmonic wavelet,which is introduced in this paper,has excellent box-like spectrum in the frequency domain.The better result can be obtained by using the harmonic wavelet filter.But it is continuous and cannot execute the convolution integral with the discrete data of aerial gravity measurement directly.The convolution integral arithmetic of harmonic wavelet in the data processing of aerial gravity measurement is discussed.The process of the convolution integral arithmetic is provided and an example is tested in this paper.