A Side Lobe Level Reduction Method Using Simulated Annealing Algorithm in a Uniform Arc Array

• Autorzy: Kang Song-Il , U Kyong-Sim , Choe Kyong-Chol , Ri Yong-Kwang , Kye Hyok-Il

Identyfikatory

DOI

10.24425/aoa.2024.148783

• Języki publikacji: EN

Abstrakty

EN

In general, the amplitude-weighting method for an acoustic transducer array is widely used to improve the array directivity and reject disturbances. This paper presents a method to effectively reduce the side lobe level while minimizing the main lobe width increase. This is done using the simulated annealing algorithm (SAA) for a uniformly spaced arc array of omnidirectional underwater acoustic transducers, even at low signal-to-noise ratio (SNR). We propose a new cost function for the SAA and obtain the weighting coefficients for all array elements using the SAA, and next compare them with various amplitude weighting methods. Through simulation and comparison, it is verified that the proposed method is effective in beamforming of the uniform arc array of underwater acoustic transducers.

Słowa kluczowe

EN

underwater acoustic transducer array; beamforming; simulated annealing algorithm; side lobe level reduction

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2024
• Tom: Vol. 49, nr 2
• Strony: 287--295
• Opis fizyczny: Bibliogr. 19 poz., rys., tab., wykr.

Twórcy

autor

Kang Song-Il

• Institute of Electronic Materials, High Tech and Development Centre Kim Il Sung University Pyongyang, Democratic People’s Republic of Korea

autor

U Kyong-Sim

• Institute of Electronic Materials, High Tech and Development Centre Kim Il Sung University Pyongyang, Democratic People’s Republic of Korea

autor

Choe Kyong-Chol

• Institute of Electronic Materials, High Tech and Development Centre Kim Il Sung University Pyongyang, Democratic People’s Republic of Korea

autor

Ri Yong-Kwang

• Institute of Electronic Materials, High Tech and Development Centre Kim Il Sung University Pyongyang, Democratic People’s Republic of Korea

autor

Kye Hyok-Il

• Institute of Electronic Materials, High Tech and Development Centre Kim Il Sung University Pyongyang, Democratic People’s Republic of Korea

Bibliografia

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