A high-frequency asymptotic integral expansion of a time-harmonic wavefield into Gaussian beams was derived in a previous paper by Klimes. The discretization error caused by replacing this integral superposition by a discrete summation of Gaussian beams is estimated in this paper.
Summation of Gaussian beams, discretization error.
The image of the reprint in GIF 150dpi (2664 kB !) is designed for an instant screen preview.
The scanned image of the reprint in PDF 300dpi (661 kB) is designed for printing.