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** Electronic filter, an electronic circuit which processes signals, for example to remove unwanted frequency components
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** and Electronic
** Stephen Earl Bennett ; " Americans ' Exposure to Political Talk Radio and Their Knowledge of Public Affairs " in Journal of Broadcasting & Electronic Media, Vol.
** Christopher L. Gianos and C. Richard Hofstetter ; " Political Talk Radio: Actions Speak Louder Than Words ," Journal of Broadcasting & Electronic Media.
** Assembly of the world's first general purpose electronic computer, the Electronic Numerical Integrator and Computer ( ENIAC ), is completed.
** ENIAC ( for " Electronic Numerical Integrator and Computer "), an early general-purpose electronic computer, is unveiled at the University of Pennsylvania.
** Steve Jackson Games is raided by the U. S. Secret Service, prompting the later formation of the Electronic Frontier Foundation.
** The Corpus of Electronic Texts includes the Annals of Ulster, Tigernach, the Four Masters and Innisfallen, the Chronicon Scotorum, the Lebor Bretnach, Genealogies, and various Saints ' Lives.
** Electronic Data Interchange ( EDI ) – A set of standard for structuring information to be electronically exchanged between and within businesses
** Electronic toll collection, aims to eliminate the delay on toll roads by collecting tolls electronically
** The Corpus of Electronic Texts includes the Annals of Ulster, Tigernach, the Four Masters and Innisfallen, the Chronicon Scotorum, the Lebor Bretnach ( which includes the Duan Albanach ), Genealogies, and various Saints ' Lives.
** The Corpus of Electronic Texts includes the Annals of Ulster, Tigernach, the Four Masters and Innisfallen, the Chronicon Scotorum, the Lebor Bretnach ( which includes the Duan Albanach ), Genealogies, and various Saints ' Lives.
** The Corpus of Electronic Texts includes the Annals of Ulster, Tigernach, the Four Masters and Innisfallen, the Chronicon Scotorum, the Lebor Bretnach ( which includes the Duan Albanach ), Genealogies, and various Saints ' Lives.
** Minor Planet Electronic Circulars ( MPEC or MPECs ), astronomical publication from the Minor Planet Center
** and filter
** Digital filter, a system that performs mathematical operations to reduce or enhance certain aspects of a signal
** Analogue filter, a basic building block of signal processing much used in electronics, see Passive analogue filter development
** Affective filter, an impediment to learning or acquisition caused by negative emotional (" affective ") responses to one's environment.
** Subtractive synthesis, a method of creating a sound by removing harmonics, characterised by the application of an audio filter to an audio signal
** Pass band or Passband, the range of frequencies that can pass through an electronic filter without being attenuated
** In the case of narrow-band bandpass filters, the Q determines the-3dB bandwidth but also the degree of rejection of frequencies far removed from the center frequency ; if these two requirements are in conflict then a staggered-tuning bandpass filter may be needed.
** For high-pass and low-pass ( as well as band-pass filters far from the center frequency ), the required rejection may determine the slope of attenuation needed, and thus the " order " of the filter.
** Chebyshev filter – slight peaking / ripple in the passband before the corner ; Q > 0. 7071 for 2nd-order filters
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