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Wyświetlanie 1-5 z 5
Tytuł:
Wnioski z badań kwalifikacyjnych stacji rozpoznania pokładowych systemów radioelektronicznych GUNICA
Results of qualification tests on the GUNICA station for recognition of radio-electronic on-board systems
Autorzy:
Myszka, M.
Brzozowski, M.
Lewandowski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/235259.pdf
Data publikacji:
2005
Wydawca:
Wojskowy Instytut Techniczny Uzbrojenia
Tematy:
stacja GUNICA
badania kwalifikacyjne
GUNICA station
qualification tests
Opis:
W artykule przedstawiono charakterystykę rozwiązań oraz wnioski z badań stacji rozpoznania pokładowych systemów radioelektronicznych GUNICA. Stacja GUNICA przeznaczona jest do zautomatyzowanego wykrywania, pomiaru parametrow i analizy sygnałów oraz gromadzenia danych o wykrytych sygnałach generowanych przez: radary pracujące na platformach powietrznych, naziemnych i nawodnych, transpondery SIF/IFF, interrogatory TACAN/RSBN, DME oraz generatory zakłóceń. Może pracować samodzielnie lub w systemie złożonym z kilku stacji, zapewniając lokalizację źrodeł emisji.
The characteristics of solutions and conclusions on the testing of the GUNICA recognition station designated for the automatic detection, measurement and analysing of signals generated by equipment like radar systems, SIF/IFF transponders, TACAN/RSBN, DME interrogators and jamming generators, operating at air, ground and sea platforms are presented in the paper. The station may operate alone or in the system of few ones to provide localisation of emission sources.
Źródło:
Problemy Techniki Uzbrojenia; 2005, R. 34, z. 96; 147-152
1230-3801
Pojawia się w:
Problemy Techniki Uzbrojenia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badania poligonowe partii prototypowej naboi z pociskiem dymnym do 98 mm moździerza M-98
The firing tests of the prototypes of the smoke ammunition for 98 mm M-98 mort ar
Autorzy:
Bazela, R.
Kuśnierz, T.
Magier, M.
Powiązania:
https://bibliotekanauki.pl/articles/236118.pdf
Data publikacji:
2010
Wydawca:
Wojskowy Instytut Techniczny Uzbrojenia
Tematy:
naboje z pociskiem dymnym
badania kwalifikacyjne
smoke ammunition
qualification tests
Opis:
W artykule przedstawiono wyniki badań wstępnych i kwalifikacyjnych zakładowych partii prototypowej naboi z pociskiem dymnym do moździerza M-98.
In this paper, we present the firing tests of the prototypes of the smoke ammunition for M-98 mortar.
Źródło:
Problemy Techniki Uzbrojenia; 2010, R. 39, z. 113; 33-37
1230-3801
Pojawia się w:
Problemy Techniki Uzbrojenia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Use of data from on-board data recorders for acceptance tests of avionic driving units
Autorzy:
Kowalski, M.
Powiązania:
https://bibliotekanauki.pl/articles/243070.pdf
Data publikacji:
2013
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
diagnostics of aircraft engines
qualification tests for avionic driving units
Opis:
The paper explains how information stored in on-board recorders of flight parameters can be used for acceptance tests, also referred to as qualification tests. The disclosed example refers to the An-28 ‘Bryza’ aircraft where an old airscrew was substituted with the new generation Hartzell airscrew of the HC-B5 MP-3D type. The airscrew is an integral part of the driving system for the airscrew propelled aircraft that is provided with the TWD-10B engine. After revamping of the airscrew, the aircraft was named as TWD-10B/PZL-10S. The follow-up investigations were carried out with the aim to find out how much the airscrew substitution affected the alteration of key performance characteristics achieved by the driving unit of the aircraft. The investigations comprised both ground and in-flight tests and have led to determination of the essential characteristics for the engine operation as well as variations of the operational parameters in time. In some cases also so called phase portraits were found out for parameters of the engine operation so that to reflect dynamic properties of the engines. Such investigations are indispensable since the aircrafts are subject to operational limitations and technical conditions that must be mandatory fulfilled due to requirements of flight safety. The paper demonstrates that the data stored in on-board recorders of flight parameters can be really useful for execution of such acceptance (qualification) tests.
Źródło:
Journal of KONES; 2013, 20, 2; 201-206
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of an aircraft engine start-up process on the example of the PZL-130 TC-II „Orlik” training aircraft
Autorzy:
Kowalski, M.
Powiązania:
https://bibliotekanauki.pl/articles/244355.pdf
Data publikacji:
2014
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
diagnostics of aircraft engines
qualification tests of aircraft driving units
Opis:
The paper discloses the analysis of processes that take place during the start-up operation of the driving unit for the training aircraft of the TZL-130 TC-II Turbo-Orlik type. The aircraft is designed for selective and initial trainings at the Air Force School of “Little Eagles” in Dęblin. The driving unit comprises the PT6A-25C turbo-propeller engine from Pratt & Whitney combined with the four-bladed airscrew from Hatzell. It is specifically mentioned that data for the analysis were sourced from the S2-3a on-board recorder of flight parameters manufactured by the Air Force Institute of Technology (AFIT). The analysis was carried out both during ground and flight tests. The paper briefly outlines general structures and operation principles of typical start-up systems with the focus to their key components. Attention is paid to how important it is to select an appropriate start-up system to match the specific aircraft type and the guideline parameters for selection that should be adhered to are specified. Also there are disclosed the key mathematical relationships that are indispensable to design start-up systems and to find out their basic characteristics. It is emphasized that the start-up operation must be considered as a non-stationary process that lasts from the standstill state of the engine until the moment when the minimum required rpm is reached, sufficient to generate necessary power of the engine. In addition, the attention is paid to the fact that the value of the engine acceleration is crucial to the achievable start-up time that is deemed as one of key parameters for all start-up systems. It is demonstrated that to achieve the required level of acceleration, it is necessary to secure the so called overhead of the engine power which needs constant flow offuel and air into the combustion chamber of the engine. The last part of the paper comprises selected characteristic curves that were obtained from the analysis of the engine start-up processes both on ground and in flight. The final conclusions emphasize that the start-up system for the presented driving unit is really efficient and guarantees correct operation of the engine under any conditions.
Źródło:
Journal of KONES; 2014, 21, 3; 177-189
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
B1 I CO DALEJ? O KONIECZNOŚCI PRZYGOTOWANIA PROGRAMU NAUCZANIA JĘZYKA POLSKIEGO JAKO OBCEGO DLA CELÓW AKADEMICKICH
B1 and what next? On the necessity of developing the program of teaching Polish as a foreign language for academic purposes
Autorzy:
Jasińska, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/443031.pdf
Data publikacji:
2019-09-30
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu. Collegium Novum. Polskie Towarzystwo Neofilologiczne
Tematy:
poziom B1
błędy językowe
kwalifikacja na studia
ję-zyk akademicki
testy diagnostyczne
propozycje programu języka pol-skiego dla celów akademickich
level B1
linguistic errors
qualification for studies
academic language
diagnostic tests
postulates of the academic language program
Opis:
For the past several years we have been observing a substantial growth of interest in studies in Poland among foreign students, partic-ular those from the East. The required level of language proficiency for Polish universities is B1 which is not difficult to achieve in a year. It is, however, by no means sufficient to participate in university classes, to follow academic discourse, to write papers or prepare for exams. This article presents the results of a research study conducted among academic lecturers and Polish language instructors teaching preparatory classes on the lacks and needs of foreign students. It also presents core demands regarding teaching Polish as a foreign language for academic purposes.
Źródło:
Neofilolog; 2019, 53/1; 129-142
1429-2173
Pojawia się w:
Neofilolog
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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