Carrier comprised of a core, a number of the pores thereof containing a polymer, and thereover a coating. For such complex array subscripts, we decouple the original iteration space and the dependence test iteration space and link them through index-association functions. The first signal receiving module down-converts the first RF signal for providing a first down-converted signal at the third signal point. The first end region is inverted to overlie the first bonded region and the second end region is inverted to overlie the second bonded region.