Research on Odd-Periodic Perfect Almost Binary Sequence Pair

A new kind of perfect discrete signal with good odd-periodic correlation function is presented.It is odd-periodic perfect almost binary sequence pair.The elements of each sequence in odd-periodic perfect almost binary sequence pair are 1 or -1 with exception of a single zero element,and odd-periodic perfect almost binary sequence pair possess a perfect odd-autocorrelation function.The transformation features and Fourier spectrum of odd-periodic perfect almost binary sequence pair are studied.Some combined admissibility conditions are also given out.It is found that odd-periodic perfect almost binary sequence pair spreads the existing range of odd-periodic perfect almost binary sequence and odd-periodic perfect almost binary sequence is a special case when the two sequences in the odd-periodic perfect almost binary sequence pair are same.