Communication method of enhanced efficient short-parameter DCSK chaotic communication system

The invention discloses a communication method of an enhanced efficient short-parameter DCSK chaotic communication system, and belongs to the technical field of communication. The method comprises the following steps of: 1, generating a chaotic reference signal by using a second-order Chebyshev polynomial function; 2, modulating an information signal and a sending signal; step 3, channel transmission; and step 4, a receiving end demodulates a received signal and restores an information signal. According to the method, related improvement is carried out on the defects of low data rate and low energy efficiency of a classical short-stagger chaos keying (SR-DCSK) modulation technology, and a reference signal with the length of R is sent at a sending end in the same first frame duration as the SR-DCSK; the second frame duration uses the orthogonal signal base to transmit an addition of the 2N orthogonal information signals, and the data signals are correlated with the corresponding reference signals in the receiv