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Academic Journal

A Study on Finite Wordlength Effects in FIR Digital Echo Cancellers Using Learning Identification Algorithm.

Subjects: *COMPUTER simulation; *SIMULATION methods & models; *ECHO suppression

  • Source: Electronics & Communications in Japan, Part 3: Fundamental Electronic Science. Nov90, Vol. 73 Issue 11, p7-20. 14p.

  • Abstract: Finite wordlength effects on the steady-state characteristics of finite impulse response adaptive digital echo cancellers are considered. Focusing on an FIR-type ... Copyright of Electronics & Communications in Japan, Part 3: Fundamental Electronic Science is the property of John Wiley & Sons, Inc. and its content may not be ...

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Academic Journal

New IIR-Adaptive Algorithms Based on Orthogonalization Method.

Subjects: *DIGITAL signal processing; *ALGORITHMS; *NUMERICAL analysis

  • Source: Electronics & Communications in Japan, Part 3: Fundamental Electronic Science. Dec90, Vol. 73 Issue 12, p37-45. 9p.

  • Abstract: Recently, for signal processing such as echo cancellation and equalization it is required to develop IIR-adaptive digital filters. This paper proposes ... Copyright of Electronics & Communications in Japan, Part 3: Fundamental Electronic Science is the property of John Wiley & Sons, Inc. and its content may not be ...

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Academic Journal

An Analysis of the Echo Canceller Using a System of Orthogonal Functions.

Subjects: *ECHO suppression; *ORTHOGONAL functions; *DIGITAL electric filters

  • Source: Electronics & Communications in Japan, Part 1: Communications. Jan90, Vol. 73 Issue 1, p55-63. 9p.

  • Abstract: Echo cancellers are applied increasingly to long-distance telephone channels and voice communication systems for improvement of conversation quality. However, the adaptive digitalCopyright of Electronics & Communications in Japan, Part 1: Communications is the property of John Wiley & Sons, Inc. and its content may not be copied or ...

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Academic Journal

A General Method of Deriving a Discrete Normalized System of Orthogonal Functions and Its Application to Adaptive Digital Filters.

Subjects: *ORTHOGONAL functions; *ADAPTIVE filters; *DIGITAL signal processing

  • Source: Electronics & Communications in Japan, Part 3: Fundamental Electronic Science. May90, Vol. 73 Issue 5, p96-104. 9p.

  • Abstract: The system of orthogonal functions is very useful in science and engineering and the theory on the orthogonal function system in the continuous time domain ... Copyright of Electronics & Communications in Japan, Part 3: Fundamental Electronic Science is the property of John Wiley & Sons, Inc. and its content may not be ...

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Academic Journal

The evolution of distance learning: Technology-mediated interactive learning.

Subjects: *DISTANCE education

  • Source: Journal of Research on Computing in Education. Spring90, Vol. 22 Issue 1, p247. 18p.

  • Abstract: Describes how the delivery of instruction over distance could become an even more powerful and useful educational medium through incorporating ideas from cooperative

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Academic Journal

The role of pictures in learning biology: Part 1, perception and observation.

Subjects: *PICTURE perception

  • Source: Journal of Biological Education (Society of Biology). Autumn90, Vol. 24 Issue 3, p161. 12p. 1 Black and White Photograph, 4 Diagrams, 5 Charts, 6 Graphs.

  • Abstract: Part I. Examines theoretical and empirical advances in picture perception. Parameters for the study of picture perception; Summary of picture function in science texts; Within-picture ...

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Academic Journal

Technology standards for college music degrees.

Subjects: *MUSIC education

  • Source: Music Educators Journal. Jul90, Vol. 77 Issue 1, p17. 7p. 1 Black and White Photograph.

  • Abstract: Looks at the use of technology in music classrooms, concert halls, and every facet of music learning, instruction and research. National ...

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Periodical

Creating problems.

Subjects: *MATHEMATICS education

  • Source: Newsweek. Fall/Winter90, Vol. 116 Issue 10, p16. 4p. 2 Illustrations, 2 Diagrams, 1 Graph.

  • Abstract: Stresses that it is time to minimize rote learning and concentrate on teaching children how to think. Changes being made by ...

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Periodical

IBM Faces the Future.

Subjects: *PRODUCTION engineering; *OCCUPATIONAL trainingINTERNATIONAL Business Machines Corp. 001368083 INTERNATIONAL Business Machines Corp. INTERNATIONAL Business Machines Corp. 001368083 001368083 INTERNATIONAL Business Machines Corp. 001368083 IBM

  • Source: Training & Development Journal. Mar1990, Vol. 44 Issue 3, p36. 5p.

  • Abstract: Discusses the integration of mass-customization and just-in-time production methods into employee education at IBM. Key features of the firm's occupational training programs; Education management system ...

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Academic Journal

Theory-Based Design for Easily Learned Interfaces.

Subjects: *USER interfaces; *COMPUTER users

  • Source: Human-Computer Interaction. 1990, Vol. 5 Issue 2/3, p191. 30p. 7 Charts.

  • Abstract: Analyzes the foundation for the design of user interface technology. Principles of exploratory learning of computer systems; Role of user goals ...

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  • 1-10 of  146 results for "Digital Learning"