For speeding up remote data transmission and saving storage, a local maxima of a wavelet transform is used to compress the experimental data of HL-1M tokamak. It is shown that the compression algorithm reduces the data size to an average factor of 12, and the reconstructed data is better than the data which compressed by using a method of five point smoothing and sampling in an alternate data in keeping main features of the original data.

A mathematical method of Using the Code of direct question to Solve inverse question is described. With this method on the basis of free-boundary toroidal MHD equilibrium Code SWEQU^[1] We developed our own Code SWSTAB, Which can be used to calculate vertical instability of Tokamak plasma with noncircular cross section. Practical examples show that Some physical results are obtained by this method more easily than by others.