Experts interpret the sonar submarine detection technology impact event is the world’s problems
data for: the column filled with 039 Chinese Navy Song-class submarines
BEIJING, June 25 (Xinhua) Following the British and French nuclear submarines collided in the Atlantic, the U.S. nuclear submarine collided with the ship after landing, took place recently China submarine towed sonar and the U.S. destroyer collision. Why underwater submarine frequent impact events? Underwater Acoustics Engineering experts, Chinese Academy of Engineering, Northwestern Polytechnical University, Professor Ma Yuanliang 24 to accept the “Ta Kung Pao” interview, underwater sonar detection technology in existence worldwide problem, leading to important causes of the accident impact underwater.
modern submarines will use a variety of techniques to reduce their noise, thereby reducing the probability of discovery by the opponent, namely the so-called “anti-sonar” technology. Ma Yuanliang February this year quoted the British and French nuclear submarine crash analysis, after the accident, when the French Ministry of Defense also known as the main reason to explain, two submarines are very quiet, “the voice of them smaller than the shrimp.”
Mayuan Liang said, how noise in the oceans, the sonar to enhance the ability to identify weak signals, is the world’s Underwater Acoustics Engineering is facing a major challenge.
coupled with the submarine at sea the following one hundred and twenty to one hundred and fifty meters under isothermal layer near the border activities, is not easy to detect sonar, submarine concealed. He believes that if the British and French submarines at the same level activities, the fact that the establishment of ocean, the sonar is difficult to detect in the region also contributed to The collision of one of the reasons.
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