Excel’s Advanced Filter Features Made Easy : From Criteria Ranges to Copying Results

Learn advanced filtering in Excel with a criteria area, OR and AND logic, and copy results to isolate the right rows fast.
Electronic Design

Design Method Allows Tradeoffs In Anti-Aliasing Filter Design

This idea details a design method for making anti-aliasing prefilter parameter tradeoffs between several factors. These factors include the filter pass-band magnitude accuracy, the filter order (the ...
Inverse

Indonesian Teen Uses Genius Water Filter Method to Survive 49 Days at Sea

For 49 days, Aldi Novel Adilang was stranded in the Pacific Ocean. The Indonesian 18-year-old, whose job is to maintain a wooden fishing hut off the nation’s coast, became stranded in mid-July when ...
JSTOR Daily

Filter Bank Methods for Hyperbolic PDEs

SIAM Journal on Numerical Analysis, Vol. 36, No. 4 (May - Jun., 1999), pp. 1183-1233 (51 pages) We use biorthogonal filter banks to solve hyperbolic PDEs adaptively with a sparse multilevel ...
EDN

A Simple Method of Designing Multiple Order All Pole Bandpass Filters by Cascading 2nd Order Section

Filter design, be it active, passive, or switched capacitor, is traditionally a mathematically intensive pursuit. There are many architectures and design methods to choose from. Two methods of high ...