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  2. Convolutional code - Wikipedia

    en.wikipedia.org/wiki/Convolutional_code

    The code rate of a convolutional code is commonly modified via symbol puncturing. For example, a convolutional code with a 'mother' code rate / = / may be punctured to a higher rate of, for example, / simply by not transmitting a portion of code symbols. The performance of a punctured convolutional code generally scales well with the amount of ...

  3. Trellis (graph) - Wikipedia

    en.wikipedia.org/wiki/Trellis_(graph)

    Convolutional code trellis diagram. A trellis is a graph whose nodes are ordered into vertical slices (time) with every node at almost every time connected to at least one node at an earlier and at least one node at a later time. The earliest and latest times in the trellis have only one node (hence the "almost" in the preceding sentence).

  4. Language pedagogy - Wikipedia

    en.wikipedia.org/wiki/Language_pedagogy

    Language pedagogy is the discipline concerned with the theories and techniques of teaching language. It has been described as a type of teaching wherein the teacher draws from their own prior knowledge and actual experience in teaching language. [1] The approach is distinguished from research-based methodologies. [1]

  5. Viterbi decoder - Wikipedia

    en.wikipedia.org/wiki/Viterbi_decoder

    A Viterbi decoder uses the Viterbi algorithm for decoding a bitstream that has been encoded using a convolutional code or trellis code. There are other algorithms for decoding a convolutionally encoded stream (for example, the Fano algorithm). The Viterbi algorithm is the most resource-consuming, but it does the maximum likelihood decoding. It ...

  6. File:Convolutional code trellis diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:Convolutional_code...

    This work has been released into the public domain by its author, Qef.This applies worldwide. In some countries this may not be legally possible; if so: Qef grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

  7. Natural approach - Wikipedia

    en.wikipedia.org/wiki/Natural_Approach

    The natural approach is a method of language teaching developed by Stephen Krashen and Tracy Terrell in the late 1970s and early 1980s. The Natural Approach has been used in ESL classes as well as foreign language classes for people of all ages and in various educational settings, from primary schools to universities. [ 1 ]

  8. Communicative language teaching - Wikipedia

    en.wikipedia.org/.../Communicative_language_teaching

    The development of communicative language teaching was bolstered by these academic ideas. Before the growth of communicative language teaching, the primary method of language teaching was situational language teaching, a method that was much more clinical in nature and relied less on direct communication. In Britain, applied linguists began to ...

  9. Language education - Wikipedia

    en.wikipedia.org/wiki/Language_education

    They worked on setting language teaching principles and approaches based on linguistic and psychological theories, but they left many practical details for others to develop. [7] The history of foreign-language education in the 20th century and the methods of teaching (such as those related below) might appear to be a history of failure.