A.I. Sherstobitov, V.I. Marchuk, M.P. Malinis

In work are present the problem of synthesis of discrete systems of signals processing on the basis of square loss function. Synthesis of discrete system of signals processing for the solution of problem polynomial approximation of a signal on the basis of convolution is present. In work results of synthesis of non-stationary discrete system on exit of which is formed values of polynomial approximation function of an entrance signal on the set interval are presented. In article are received expressions for calculation of the non-stationary impulse response system for a case of linear and square approximation function. The block diagram of the device, allowing to realize it in systems of multichannel signals processing with possibility of a multithreading processing is synthesized. On the basis of the received impulse response functions are carried out researches of device system function which realizing a method of piecewise multiply estimations of signal.