The relationship between second-order cyclostationary method and time-frequency distribution is studied,and cyclic autocorrelation(CA) function is indicated to
A polyether diol poly[3-bromomethyl-3-tridecafluorooctyloxymethyloxetane]glycol(PFBOX 3) was prepared in 91% yield from ring opening polymerization of 3-bromome
Bamboo viscose fibers and conventional viscose fibers were measured by optical microscopy, scanning electron microscopy (SEM), Fourier transform infrared spectr