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Träfflista för sökning "WFRF:(Paul D J) ;conttype:(popularscientific)"

Sökning: WFRF:(Paul D J) > Populärvet., debatt m.m.

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  • Alexander, Paul D., et al. (författare)
  • Filter structure for iterative signal processing
  • 2002
  • Patent (populärvet., debatt m.m.)abstract
    • The present invention relates to improved multiple access communications. In one form, the invention relates to an improved signal processing method and apparatus for an iterative method of determining the reception of a signal in a multi user packet based wireless OFDM (Orthogonal Frequency Division Multiplexing) communication system. In other forms the present invention provides recursive filtering for joint iterative decoding in a variety of systems and functions such as linear multiple access channel decoders, iterative equalisation, iterative joint channel estimation and detection/decoding, iterative space-time processing, iterative multi user interference cancellation and iterative demodulation.; In one particular form the present invention provides an iterative decoding circuit for a wireless multiuser communications receiver comprising a first signal processing means for receiving at least one received signal, said first signal processing means comprising at least two linear iterative filters such that the first linear iterative filter provides an estimate of a selected received signal to an estimated signal output and a second linear iterative filter provides estimates of at least one other received signal, delayed by one iteration cycle, to an input of said first linear iterative filter, a second signal processing means for receiving the estimated signal output of the first linear iterative filter and providing a further received signal estimate to the input of the first signal processing means in a succeeding iteration cycle of the decoding circuit.
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3.
  • Alexander, Paul D., et al. (författare)
  • Filter structure for iterative signal processing
  • 2002
  • Patent (populärvet., debatt m.m.)abstract
    • The invention is an iterative signal processing arrangement having one or more pairs of first and second signal processing components. These pairs are in iterative configuration with each of the first signal processing components having as its input one or more received signals dependent upon one or more transmitted signals. For each said signal processing component pair the output of said first signal processing component is an estimate of a characteristic of a selected transmitted signal based on the current and one or more previous input signals received by said first signal processing component. This estimate is input to said corresponding second signal processing component which provides a further estimate of said selected transmitted signal. The outputs of all said second components of respective pairs are input to their corresponding first components in a succeeding iteration cycle.
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4.
  • Klein, Daniel B., Adjungerad professor (författare)
  • What 21st-Century Works Will Merit a Close Reading in 2050? : Second Tranche of Responses
  • 2021
  • Ingår i: Econ Journal Watch. - : Econ Journal Watch. - 1933-527X. ; 18:1, s. 164-191
  • Tidskriftsartikel (populärvet., debatt m.m.)abstract
    • Adam Smith applied the expression “never to be forgotten” to two thinkers he knew personally, born more than 300 years ago, and those two thinkers are not yet forgotten.We undertook the present query in 2020, looking a mere 30 years ahead. What 21st-century works will merit a close reading in 2050? That is the question asked of Econ Journal Watch authors (specifically: those who authored material in sections other than the Comments section of the journal). The previous issue of this journal provided responses from authors with last names beginning A through K (link). Here we present nineteen responses from authors L through Z.
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  • Resultat 1-4 av 4

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