CAJ | 학술논문

利用海洋环境噪声测量潜标系统对南海典型海域开展了为期3个月的海洋环境噪声测量，16通道海洋环境噪声测量系统每小时测量两分钟噪声信号。数据处理结果表明，800～5000 Hz范围内，噪声谱与风速相关性最好，且风速越大相关性越好，噪声谱与风速的相关性好于与浪高的相关性。风关噪声谱级在海水中部基本不随接收深度发生变化，但由于测量水听器阵长度未能覆盖整个水深，因此未给出海面和海底处谱级变化规律。在400 Hz以上的高频段整个风速范围内噪声谱级都随风速发生变化，且噪声谱级与对数风速具有很好的线性关系。
이용해양배경조성측량잠표계통대남해전형해역개전료위기3개월적해양배경조성측량，16통도해양배경조성측량계통매소시측량량분종조성신호。수거처리결과표명，800～5000 Hz범위내，조성보여풍속상관성최호，차풍속월대상관성월호，조성보여풍속적상관성호우여랑고적상관성。풍관조성보급재해수중부기본불수접수심도발생변화，단유우측량수은기진장도미능복개정개수심，인차미급출해면화해저처보급변화규률。재400 Hz이상적고빈단정개풍속범위내조성보급도수풍속발생변화，차조성보급여대수풍속구유흔호적선성관계。
Ambient sea-noise data were collected for three month period ,using submersible buoy system in the South China Sea .Broad-band ambient-noise signals from the sixteen hydrophones were amplified and recorded for 2min every 1h .The results of data processing show a strong wind dependence in the upper frequency bands from ap-proximately 800 Hz to 5 kHz ,and the greater the wind speed ,the better the correlation .The noise is correlated more with wind speed than with wave height . The wind-generated spectrum level producing virtually constant noise intensity in the midwater ,however ,due to the length of the hydrophone failed to cover the entire depth ,the distribution of the noise at the near-surface and near-bottom unable to given .In the frequencies above 400 Hz am-bient-noise spectrum level ranged with the entire wind speeds .In addition it was found that the ambient-noise spec-trum shown to be linearly dependent upon the logarithm of wind speed .