where n = t f s , m = τ τ f s , and f s is the sampling frequency. The conventional Wigner–Ville distribution is a special case of the polynomial Wigner–Ville distribution with q = 2 , b − − 1 = − − 1 , b 1 = 1 , b 0 = 0 , c − − 1 = − − 1 2 , c 0 = 0 , c 1 = 1 2