Results 21 to 30 of about 6,069,113 (319)

Compact Two-position Phase Shifter

open access: yesTelfor Journal, 2022
The paper proposes and investigates the topology of a phase shifter based on a directional coupler. The dimensions of such a device are reduced by using artificial transmission lines instead of quarter-wave sections.
D. A. Letavin
doaj   +1 more source

Anti-Powers in Infinite Words [PDF]

open access: yes, 2018
In combinatorics of words, a concatenation of $k$ consecutive equal blocks is called a power of order $k$. In this paper we take a different point of view and define an anti-power of order $k$ as a concatenation of $k$ consecutive pairwise distinct ...
Fici, Gabriele   +3 more
core   +3 more sources

A study on the acquisition order of the separated forms of Chinese separate words by Vietnamese students

open access: yesTạp chí Khoa học Đại học Mở Thành phố Hồ Chí Minh - Khoa học Xã hội, 2021
Based on the Chinese interlanguage corpus of Vietnamese students, with the correct use frequency order and the order of the Guttman scale as the standard, this article has constructed the acquisition order of the separated forms of Chinese separable ...
Vũ Hớn Vũ
doaj   +1 more source

Word Order in Klamath [PDF]

open access: yesKansas Working Papers in Linguistics, 1987
Klamath, a Native American language of Oregon, has particularly "free" word order. Methods developed by Givon (1983) for the measurement of topic continuity, when applied to Klamath narrative texts, show that the position of NP's relative to the verb is not random, but determined by discourse-pragmatic factors.
openaire   +2 more sources

Undecidability of a weak version of MSO+U [PDF]

open access: yes, 2020
We prove the undecidability of MSO on ω-words extended with the second-order predicate U1(X) which says that the distance between consecutive positions in a set X⊆N is unbounded.
Bojanczyk, M.   +4 more
core   +3 more sources

Evidence for simultaneous syntactic processing of multiple words during reading. [PDF]

open access: yesPLoS ONE, 2017
A hotly debated issue in reading research concerns the extent to which readers process parafoveal words, and how parafoveal information might influence foveal word recognition.
Joshua Snell   +2 more
doaj   +1 more source

Separating Regular Languages with First-Order Logic [PDF]

open access: yes, 2014
Given two languages, a separator is a third language that contains the first one and is disjoint from the second one. We investigate the following decision problem: given two regular input languages of finite words, decide whether there exists a first ...
Place, Thomas, Zeitoun, Marc
core   +5 more sources

Generalization support environment for understanding ways to use English words

open access: yesResearch and Practice in Technology Enhanced Learning, 2020
When we translate Japanese sentence into English, sometimes several English words become the candidates. However, the usage situation of these candidate words is not the same.
Tomoko Kojiri, Takushi Yamada
doaj   +1 more source

Infinite and Bi-infinite Words with Decidable Monadic Theories [PDF]

open access: yes, 2018
We study word structures of the form $(D,
Kuske, Dietrich   +2 more
core   +2 more sources

Enumeration of the distinct shuffles of permutations [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2009
A shuffle of two words is a word obtained by concatenating the two original words in either order and then sliding any letters from the second word back past letters of the first word, in such a way that the letters of each original word remain spelled ...
Camillia Smith Barnes
doaj   +1 more source

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