Abstract:The optimizing design of chaotic synchronization system by combining feedback control with wavelet transformation is presented in this paper. In the transmitter, a part of signals is transformed by wavelet and the detail information is removed. In the receiver, the component with low frequency is reconstructed and discrete feedback is used. Using the optimizing design, transmitting signal is transmitted in compressible way, system resource is saved, the component with high frequency is filtered and the effects of disturbance and noise on synchronization are reduced. The optimizing design is illustrated by numerical simulation experiment.