By using the moments of Boltzman'’s equation the analysis of the electron response in n-type GaAs with the space-periodic donor density modulation was carried out. The computer calculations are performed for the different scattering mechanisms and their joint action to the oscillations and structure reconstruction. Under threshold conditions the strong longitudinal optical phonone scattering dominates. The generation of subharmonics, high harmonics and small scale relaxation oscillation define the nonlinear dynamics of the electrons.