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Abstract: Using Single-scattering Theory model£¬the characteristic distribution pattern of Forward -Scattering Mueller Matrix£¨FSMM£©of ship wakes, and the correlation with bubble number density and bubble radius are discussed based Mie scattering theory . The results indicate that: m2 and m4 elements have relatively strong shocks for a single bubble with scattering angles ranging from 0 to 90 degree, and the amplitude of shocks increases with radius rise; M11 and M44 elements of FSMM for bubbles have no change with different azimuths, the distributions of the elements changing with different azimuths are in accordance with the law of sine shocks ,and the elements of FSMM decay with polar radius exponentially; Elements M11 and M44, together with the amplitudes of the elements changing with different azimuths, increase with radius rise; The maximums of the elements appear when the number density of bubbles is about 108/m3,and the characteristics of elements are opposite with the number densities around the sides £»In addition to the information of intensity, M12 and M13 elements can provide the information of phase reversal while the radius and the number density of bubbles change.
4Â¥2011-04-04 08:05:07
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xuanyz(½ð±Ò+1, ·­ÒëEPI+1): 2011-04-04 16:18:51
xuanyz(½ð±Ò+2): 2011-04-08 13:27:28
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Using Single-scattering Theory model£¬the characteristic distribution pattern of Forward -Scattering Mueller Matrix£¨FSMM£©of ship wakes, and the correlations among matrix element, bubble number density and bubble radius are discussed based on Mie scattering theory . The results indicate that: (1) m2 and m4 elements have relatively strong shocks for a single bubble with scattering angles ranging from 0 to 90 degree, and the amplitude of shocks increases with radius; (2) M11 and M44 elements of FSMM for bubbles don¡¯t change with different azimuths, the distributions of the elements changing with different azimuths are in accordance with the law of sine shocks ,and the elements of FSMM decay exponentially with polar radius; (3) Elements M11 and M44, together with the amplitudes of the elements changing with different azimuths, increase with radius; The maximums of the elements appear when the number density of bubbles is about 108/m3,and the changing characteristics of elements are opposite with the number densities around the sides£»(4) when the radius and the number density of bubbles change, M12 and M13 elements can provide the information of intensity as well as the information of phase reversal.
5Â¥2011-04-04 14:03:23
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