研究了基于听觉模型的水声信号特征提取方法，提取了舰船辐射噪声的听觉特征。
The approach of how to extract underwater acoustic signal with auditory model is studied and the auditory features of ship-radiated noise is extracted.
研究了在水声基阵设计中用数值模拟产生海洋环境噪声场的方法及其在水声基阵最佳加权系数和最佳阵增益设计仿真中的应用。
We investigate the method to create the noise field of the underwater by using numerical simulation. The method has been applied to designing the optimal array gain of underwater acoustic array.
通过水池联调和海上实测验证，表明：模拟器除了能够发射CW、LFM等常用的水声信号外，还能够模拟产生具有特定特征的舰船辐射噪声。
Experiments on the test pool and open sea have proved that this simulator could not only transmit acoustic signals like CW and LFM, but also generate ship radiated noise with specific characteristics.
以水中运动目标为例，给出了水声环境下，合成信号、环境噪声、海洋声学的数学模型和合成环境系统仿真实验。
This paper focuses on the research of the system structure of the synthetic environment of the passive sonar and the modeling and simulation test of the underwater sound synthetic signal.
水下目标舰船辐射噪声中有很强的线谱成份，这些成份对分类识别是非常有价值的，因此利用线谱特征对舰船目标进行识别是水声领域研究的重要内容。
Ship radiated noises include a lot of line-spectra which are valuable for targets identification. Therefore it becomes an important approach in the studies of underwater acoustics.
在严重噪声的衰落信道(移动通信信道、水声信道等)中，采用联合编码技术比采用分离编码技术更能获得令人满意的效果。
In the fading channel with high noise, e. g. mobile communication channel and UWA channel, JSCC gets better performance than separated coding.
利用水声试验场对潜艇的水下辐射噪声进行测量和分析，是先进国家改善潜艇安静性的重要方法。
Testing of underwater radiation noise of submarines using acoustic testing field is one of the important measures for improving the submarine's silence in some developed countries.
水声信道存在多径效应、多卜勒频偏及各种噪声干扰。
There are severe Multipath Effects, Doppler Spread and noise in underwater acoustic channels.
水声信道存在多径效应、多卜勒频偏及各种噪声干扰。
There are severe Multipath Effects, Doppler Spread and noise in underwater acoustic channels.
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