Dynamic control of the receiving beam horizontal cross-section in the side scan sonar

• Autorzy: Jedel A. , Kilian L. , Marszal J. , Ostrowski Z. , Salamon R.
• Języki publikacji: EN

Abstrakty

EN

A decade old side scan sonars are now being modernised by way of dynamically controlling the width of the receiving beam in the horizontal cross-section. The result is a quasi-constant linear resolution of the sonar (replacing constant angular resolution), when it picks up echo signals as it moves further away from the targets. The advantage of the treatment is that the ship using the side scan sonar can increase its speed without risking the loss of near targets’ echo. The articles describes how the system of dynamic control was implemented. Special TVG systems were introduced to control dynamic signal gain from several separate sections of the sonar’s acoustic array, which was divided symmetrically into unequal sections. The location of these systems in the sonar’s receiver is presented. Examples are given of curves that control TVG and of the effects of dynamic horizontal stabilisation of the sonar’s linear resolution as it receives signals.

• Wydawca: Polskie Towarzystwo Akustyczne. Oddział Gdański
• Czasopismo: Hydroacoustics
• Rocznik: 2005
• Tom: Vol. 8
• Strony: 69--76
• Opis fizyczny: Bibliogr. 4 poz., rys.

Twórcy

autor

Jedel A.

• Department of Marine Electronics Systems, Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology Narutowicza 11/12, 80-952 Gdansk, Poland

autor

Kilian L.

• Department of Marine Electronics Systems, Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology Narutowicza 11/12, 80-952 Gdansk, Poland

autor

Marszal J.

• Department of Marine Electronics Systems, Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology Narutowicza 11/12, 80-952 Gdansk, Poland

autor

Ostrowski Z.

• Department of Marine Electronics Systems, Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology Narutowicza 11/12, 80-952 Gdansk, Poland

autor

Salamon R.

• Department of Marine Electronics Systems, Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology Narutowicza 11/12, 80-952 Gdansk, Poland

Bibliografia

• [1] L. Kilian, A.Raganowicz: Hydroakustyczne metody poszukiwania obiektów podwodnych holowaną stacją „FLAMING B”. Materiały II Konferencji Morskiej „Aspekty bezpieczeństwa nawodnego i podwodnego oraz lotów nad morzem” – część I, Gdynia 1999.
• [2] L. Kilian, J. Marszal: TVG and RVG as the methods of making sonar recived signals stationary – problems of implementation. Proc. Conference MeBstochastic, Rostock 1984.
• [3] J. Marszal, L. Kilian: Wielofunkcyjny generator zasięgowej regulacji wzmocnienia do sonaru bocznego. Materiały Krajowego Sympozjum Telekomunikacji KST ’88, Bydgoszcz.
• [4] L. Kilian: Analiza warunków wykrywania i zdolności rozdzielczej sonaru bocznego. Rozprawa doktorska, Wydział Elektroniki Politechniki Gdańskiej 1979.