Temat: communication receivers - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Cyfrowy system do pomiarów przebiegów niepożądanych w odbiornikach radiokomunikacyjnych
Digital system for measurement of the unwanted signals in the communication receivers
Autorzy:: Korcz, K.
Spiralski, L.
Powiązania:: https://bibliotekanauki.pl/articles/157585.pdf
Data publikacji:: 2003
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: cyfrowy system pomiarów przebiegów niepożądanych
odbiorniki radiokomunikacyjne
digital control systems
measurement of unwanted signals
communication receivers
Opis:: Zaprezentowano sposób rozwiązania funkcjonalnego cyfrowego systemu do pomiarów przebiegów niepożądanych na wyjściu odbiornika radiokomunikacyjnego. Dzięki zastosowaniu operacji rozdzielania składowej losowej i zdeterminowanej, w części programowej-komputerowej systemu, uzyskano bardzo małe błędy wyznaczonych parametrów. Omówiono zalety prezentowanego systemu pomiarowego w porównaniu z zalecanymi w odnośnych normach układami pomiarowymi. Podano wybrane wyniki pomiarów parametrów określających intensywność szumów i zakłóceń na wyjściu odbiornika, które uzyskano z zastosowaniem cyfrowego systemu pomiarowego opracowanego w Katedrze Radioelektroniki Morskiej w Akademii Morskiej w Gdyni.
The way of the functional solution of the digital system for measurement of the unwanted signals at the communication receiver output has been presented. Thanks to using the separating operation of the random and determined components by the software, the very low measurement errors of the estimated parameters have been achieved. Advantages of the presented measuring system in comparison with these recomended by the norms measuring circuits have been discussed. Chosen results of the measurement of the parameters determine intensity of the noise and the interference at the receiver output have been given.
Źródło:: Pomiary Automatyka Kontrola; 2003, R. 49, nr 1, 1; 49-52
0032-4140
Pojawia się w:: Pomiary Automatyka Kontrola
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: High Q-factor Fabry-Perot microresonator as an alternative to microdisk in electro-optical modulator for microwave-photonic receivers
Autorzy:: Baghdasaryan, H. V.
Knyazyan, T. M.
Marciniak, M.
Powiązania:: https://bibliotekanauki.pl/articles/308890.pdf
Data publikacji:: 2013
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: electro-optical modulator
microwave-photonic receivers
wireless communication
Opis:: In the last decade a new idea has been suggested for receivers of communication systems, namely, in microwave receivers’ architecture. Though superheterodyne radio-frequency receivers are best suited to the needs of contemporary wireless communication, however stray radiation of their local oscillator (heterodyne) interferes with neighboring radio-devices and permits to locate the covert receiver. To overcome this drawback the signal transfer to optical range has been suggested. By this conversion, not only an elimination of receiver’s stray radiation is attained but also vast advantages of photonic signal processing become available. The key element of existing microwave-photonic receivers is electro-optical microdisk modulator. However, its realization is complicated and as an alternative an electro-optical modulator based on high Q-factor Fabry-Perot microresonator is suggested. Comparative analysis of both types of modulators is performed, and advantages of high Q-factor Fabry-Perot microresonator based modulator are highlighted.
Źródło:: Journal of Telecommunications and Information Technology; 2013, 2; 24-29
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Strategies for organising the attention of receivers in e-mail marketing
Autorzy:: Filipczak-Białkowska, Anita
Powiązania:: https://bibliotekanauki.pl/articles/650180.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:: social communication
receiver’s attention
advertising
e-mail marketing
genre homotopia
figure-ground concept
Opis:: The article entitled “Strategies for organising the attention of receivers in e-mail marketing” discusses issues within social communication, more specifically e-mail advertising communication. In it, I consider the intention to draw the attention of receivers as the major element of said type of communication. The creators of advertisements utilise various methods for presenting their offers, as, in the light of market research, e-mail communication still holds a high significance in marketing. E-mail inboxes are often filled with advertising messages. Users easily identify some of those as advertising messages, and remove them without engaging their attention resources. Other, however, require more careful consideration as they do not reveal their commercial provenance, or even force users to open them. In order to discover the communication-based mechanisms which lay at the foundation of the influence on the receiver, I conducted a study of the material that I collected within a period of 2 years; there I analysed only those elements of an e-mail visible to receivers prior to clicking on a message. Eventually, I extracted 300 examples indicating the applications of the strategies discussed in the article, one of which is based on the intention to highlight an offer among other messages, while the other is aimed at concealing the marketing dimension of an offer. The assumed perspective of this communication-based study was explained by a description of an interdisciplinary nature: I discuss each strategy from the perspective of a linguist, I propose explanations of the mechanisms of their operation based on the knowledge regarding selected psychological mechanisms, and I indicated the operating tactics utilised within each strategy. The significance of the study was emphasised by the fact that a conscious and intentional concealment of the purpose of an e-mail constitutes an instrumental approach to receivers. Therefore, the application by the senders of advertising messages of the discussed strategies raises justified ethical doubts, and demands further research consideration, which might lead to legislative solutions.
Źródło:: Acta Universitatis Lodziensis. Folia Litteraria Polonica; 2017, 43, 5
1505-9057
2353-1908
Pojawia się w:: Acta Universitatis Lodziensis. Folia Litteraria Polonica
Dostawca treści:: Biblioteka Nauki

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