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Wyświetlanie 1-2 z 2
Tytuł:
Historical Thinking in the Light of the Assumptions of Historical Semiotics. (In The Margin of Boris Uspenskij’s Ego Loquens)
Autorzy:
Wrzosek, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/20311956.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
historical semiotics
historical thinking
deictic centre of communication space
autocommunication
meta‑historical categories
Boris Uspienskij
Opis:
I assumed so far that the notion of historical thinking was a worthy and handy “sponsor” of meta‑historical enquiry. Therefore, I left both thinking and, in particular, historical thinking without even a quasi‑definition. In this paper I make an attempt to operationalize the notion of historical thinking using historical semiotics (semiotics of culture), a domain of humanities developed by the founding fathers of the Tartu–Moscow Semiotic School, Yuri Lotman and Boris Uspenskij. The association of cognition and communication not only enriches the study of language but also culture and historiography. Bearing in mind the meta‑historical contexts I found interesting, I significantly reorganized the lecture contents found in Uspenskiy’s Ego Loquens. This interpretation took the form of annotated diagrams, which represent and interpret key categories of Uspenskiy’s philosophy resultant from the semiotic concept of language and culture. Underlying it, there is the act of communication as both the act of anthropogenesis and the genesis of the subject of cognition. We point out the qualities of historical thinking which already flow from the qualities of thinking tout court. Along the way we introduce the problem of the status of the so‑called objective and virtual reality, typical of the philosophical aspects of historical semiotics and crucial for potential meta‑historical analyses.
Źródło:
Historyka studia metodologiczne; 2021, 51, Spec. iss.; 65-92
0073-277X
Pojawia się w:
Historyka studia metodologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The improvement of fiber-detection method to enhance the output of amplify-received relaying on FSO communications
Autorzy:
Darusalam, Ucuk
Priambodo, Purnomo Sidi
Zulkifli, Fitri Yuli
Rahardjo, Eko Tjipto
Powiązania:
https://bibliotekanauki.pl/articles/27311966.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
amplify-received relaying
optical relaying network
free-space optical communication
noise suppression
optical spatial filter
scintillation
Opis:
The performance of free-space optical (FSO) communications that using an optical amplifier (OA) in the scheme of an amplify-received (AR)-relaying has a major drawback in the detection of input signal quality under the effects of turbulence. As an OA is based on a fiber-detection (FD) method to receive and delivers a signal at the amplification process stage, there is an opportunity to implement an optical spatial filter (OSF) to improve the quality of an input signal. In this paper, as the continuation of previous work on the direct-detection, the OSF is applied on the AR-relaying. The novelty proposed in this work is the improvement of FD method where the OSF is designed as the integration of cone reflector, pinhole and multi-mode fiber with an OA. The OSF produces an optical signal, the input of the OA, which minimizes the effects of turbulence, background noise and signal fluctuation. Thus, OA in AR-relaying produces signal output with high power and rise up below threshold level. Additionally, an OSF with a lower pinhole diameter produces the best quality of the signal spectral to be delivered into an EDFA. Through this implementation, the performance of optical relaying on FSO can be significantly improved.
Źródło:
International Journal of Electronics and Telecommunications; 2023, 69, 2; 325--333
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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