six-step filter

  • 1All-pass filter — An all pass filter is an electronic filter that passes all frequencies equally, but changes the phase relationship between various frequencies. It does this by varying its propagation delay with frequency. Generally, the filter is described by… …

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  • 2Inverter (electrical) — An inverter is an electrical device that converts direct current (DC) to alternating current (AC)[1]; the converted AC can be at any required voltage and frequency with the use of appropriate transformers, switching, and control circuits. Solid… …

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  • 3Clementine (spacecraft) — This article is about the American Lunar probe. For the French satellite, see Clementine (satellite). Clementine Organization BMDO / NASA Major contractors Naval Research Laboratory Mission type …

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  • 4Earthship — An Earthship refers to a passive solar home made of natural and recycled materials. Designed and marketed by Earthship Biotecture of Taos, NM, the homes are primarily constructed to work autonomous and are generally made of earth filled tires,… …

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  • 5Health realization — (HR) is a resiliency approach to personal and community psychology [Mills, R: Realizing Mental Health: Toward a new Psychology of Resiliency , Sulberger Graham Publishing, Ltd. 1995.] first developed in the 1980s by Roger C. Mills and George… …

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  • 6Paudge Behan — Infobox actor name = Paudge Behan caption = birthname = birthdate = Birth year and age|1965|01 birthplace = deathdate = deathplace = restingplace = restingplacecoordinates = othername = occupation = Actor and writercitation|author=Frank… …

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  • 7motion-picture technology — Introduction       the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …

    Universalium

  • 8environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …

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  • 9Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …

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  • 10Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …

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