Spectrum analyzer — A spectrum analyzer Spectrum analyzer display A spectrum analyzer measures the magnitude of an input signal versus frequency with … Wikipedia
Spectrum of a C*-algebra — The spectrum of a C* algebra or dual of a C* algebra A, denoted Â, is the set of unitary equivalence classes of irreducible * representations of A. A * representation π of A on a Hilbert space H is irreducible if, and only if, there is no closed… … Wikipedia
Political spectrum — A political spectrum (plural spectra) is a way of modeling different political positions by placing them upon one or more geometric axes symbolizing independent political dimensions.Most long standing spectra include a right wing and left wing,… … Wikipedia
Conditions comorbid to autism spectrum disorders — There are many conditions comorbid to autism spectrum disorders, such as fragile X syndrome and epilepsy. In medicine and in psychiatry, comorbidity describes the effect of other diseases an individual patient might have other than the primary… … Wikipedia
Autism Spectrum Quotient — The Autism Spectrum Quotient, or AQ, is a questionnaire published in 2001 by Simon Baron Cohen and his colleagues at the Autism Research Centre in Cambridge, UK. Consisting of fifty questions, it aims to investigate whether adults of normal… … Wikipedia
Spread spectrum — Passband modulation v · d · e Analog modulation AM · … Wikipedia
ZX Spectrum software — The ZX Spectrum software library currently consists of more than 14,000 titles.cite web | url=http://www.worldofspectrum.org/archive.html | work=World of Spectrum | last = Heide | first = Martijn van der | accessdate=2006 08 11 | title=Archive!]… … Wikipedia
Emission spectrum — The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted by the element s atoms or the compound s molecules when they are returned to a lower energy state. Each element s … Wikipedia
Military spectrum management — Every military force has a goal to ensure and have permanent access to radio frequencies to meet its vital military tasks. This is based on strategies, doctrines and different policies that military forces adhere to. The nature of high mobility… … Wikipedia
Steroidogenic factor 1 — Nuclear receptor subfamily 5, group A, member 1 PDB rendering based on 1ymt … Wikipedia
Q factor — For other uses of the terms Q and Q factor see Q value. In physics and engineering the quality factor or Q factor is a dimensionless parameter that compares the time constant for decay of an oscillating physical system s amplitude to its… … Wikipedia