Findings:

• bogon filter
• jive filter
• Low-pass filter
• filter
• Aquarium filter
• Power filter
• filter media
• Under gravel filter
• Sponge filter
• corner filter
• canister filter
• wet-dry filter
• twit filter
• internal filter
• fluidized bed filter
• trickle filter
• Syphon Filter
• band-pass filter
• notch filter
• High-pass filter
• filter feed
• Filter Factory
• TMI filter
• envelope filter
• lameness filter
• the great filter
• IP Filter
• fuel filter
• banner ad filters
• Communication filters
• Pop Filter
• Spam filter
• soft/fx and fog enhancing filter
• filter sweep
• Comb filter
• My First Canister Filter
• Napster to filter by filename
• SAW filter
• furnace filter
• Kalman Filter
• UV filter
• neutral density filter
• graduated neutral density filter
• Soft focus filter
• skylight filter
• viewing filters
• filter (user)
• Bayer filter
• To filter or not to filter
• resonant filter
• principal filter
• Filters for black and white photography
• comb filter oscillation
• E2 and the Great Internet Filter Mystery
• Filter theory of mate selection
• Packet filter
• filter paper
• filter sterilization
• DNA filter assay
• Syphon Filter 2
• digital filter design
• absolute filter
• hemming filter
• air filter
• band-stop filter
• Bloom Filter
• Making band pass / band stop filters
• cigarette filter
• The world through a filter so thin of you
• Gabor Filter
• Cutoff filter
• Oil filter
• Replacing the fuel filter on a 1990 GMC Suburban
• Centrifugal filter
• A feminist interpretation of the Bible that isn't just a filter
• Particulate filter
• Proof that any filter can be extended to an ultrafilter
• cofinite filter
• Beware of the filters you impose
• stupid filter
• no filter
• Slow sand filter
• Sand filter
• nostalgia filter
• Letting the mid-dawn light filter in through the window even as it fades
• reconstructing the battle of Waterloo out of toothpicks and coffee filters
• Polyphase
• Quadrature
• Quadrature Interferometry
• sum under quadrature
• quadrature encoder
• numerical quadrature
• Numerical Quadrature Over Triangles

If you Log in you could create a "Polyphase Quadrature Filter" node. If you don't already have an account, you can register here.