backed by

A Search Engine Backed by Internet-Wide Scanning
A spiral antenna backed by a conducting plane reflector
A Spiral Antenna Backed by ?? Conducting Plane Reflector
Planar Slot Antenna Backed by Substrate Integrated Waveguide Cavity
Increasing TLB Reach using Superpages Backed by Shadow Memory
Resonant behavior of a small aperture backed by a conducting body
Low-Profile Equiangular Spiral Antenna Backed by an EBG Reflector
Admittance of a rectangular slot which is backed by a rectangular cavity
Sound absorption of a finite flexible micro-perforated panel backed by an air cavity
PREDICTING THE ABSORPTION OF OPEN WEAVE TEXTILES AND MICRO-PERFORATED MEMBRANES BACKED BY AN AIR SPACE