minimum energy filter

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• Minimum efficiency reporting value — Minimum efficiency reporting value, commonly known as MERV rating is a measurement scale designed in 1987 by the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) to rate the effectiveness of air filters. The… …   Wikipedia

• Minimum phase — In control theory and signal processing, a linear, time invariant system is said to be minimum phase if the system and its inverse are causal and stable.[1][2] For example, a discrete time system with rational transfer function H(z) can only… …   Wikipedia

• Energy policy of the United Kingdom — For energy use in practice, see Energy use and conservation in the United Kingdom The current Energy Policy of the United Kingdom is set out in the Energy White Paper of May 2007, building on previous work including the 2003 Energy White Paper… …   Wikipedia

• Air filter — An air filter is a device which removes solid particulates such as dust, pollen, mold, and bacteria from air. Air filters are used in applications where air quality is important, notably in building ventilation systems and in engines, such as… …   Wikipedia

• Atomic line filter — A potassium Faraday filter designed, built and photographed by Jonas Hedin for making daytime LIDAR measurements at Arecibo Observatory.[1] An atomic line filter (ALF) is an advanced optical band pass filter used in the physical sciences for… …   Wikipedia

• Diesel particulate filter — A diesel particulate filter (top left) in a Peugeot Off road DPF Installa …   Wikipedia

• Very minimum-shift keying — VMSK, for Very Minimum Shift Keying modulation, is one of several digital modulation methods claimed to send high speed digital data through very low bandwidth (or narrowband) channels. A typical claim is a data rate of 6 Mbit/s in a bandwidth of …   Wikipedia

• Alternative energy indexes — The principal the indices, apart from regional or global focus is that some focus on clean energy technologies while others focus on the broader alternative energy transition. The other factors which differentiate indices are whether they:*focus… …   Wikipedia

• Pelagic fish — A school of large pelagic predator fish (giant trevally) sizing up a school of small pelagic prey fish (anchovies) Pelagic fish live near the surface or in the water column of coastal, ocean and lake waters, but not on the bottom of the sea or… …   Wikipedia

• radiation measurement — ▪ technology Introduction       technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement.       The term ionizing radiation refers to those… …   Universalium

• sun — sunlike, adj. /sun/, n., v., sunned, sunning. n. 1. (often cap.) the star that is the central body of the solar system, around which the planets revolve and from which they receive light and heat: its mean distance from the earth is about 93… …   Universalium