本文根据海洋噪声场随机局部谱展开理论，分析了典型浅海负梯度(或负跃层)下低噪声信道的理论模型。
Based on the theory of the local spectrum of ambient-sea noise field, theoretical models of the low-noise-channel for typical shallow-water negative gradient (or thermocline) are developed.
超音速的飞机只允许在水上飞行，这样就只限于往返于被海洋隔开的富裕的国家——因为声震可以毁坏东西和给在地面上的人产生噪声。
Supersonic flights are allowed only over water-and are thus limited to connecting wealthy cities separated by an ocean-because sonic booms can damage things and annoy people on the ground.
轮船的噪声可以干扰鲸鱼。为了融进这片海洋，也许轮船在制造噪声前，可以发射信号提醒鲸鱼我们的存在。
Loud noises from ships can disturb whales. To accommodate Marine life, perhaps vessels could emit signals before making a ruckus, warning whales to tune us out.
基于按风速分段法反演风速的研究，提出了一种海洋环境噪声估计风速的修正方法。
Based on study of multi-section wind inversion, a modified method is proposed for evaluation of wind speed by ocean ambient noise.
鱼类和海洋哺乳动物有良好的推进系统和操纵系统，其突出的优点是效率高、噪声低。
Fish and ocean mammal have excellent propulsion and maneuvering system, whose advantages are high efficiency and low noise.
海洋环境噪声与海面风速高度相关。
The ocean ambient noise is highly correlated with surface wind speed.
鱼类和海洋哺乳动物有良好的推进系统与操纵系统，其突出的优点是效率高、噪声低。
Fish and Ocean mammal have excellent Propulsion and maneuvering system, whose excellences are good efficiency and low yawp.
然而，许多科学家怀疑噪声是比他们所认为的还要大的危险，他们想要防止噪声危害海洋动物。
However, many scientists suspect that noise is a greater danger than they believed, they want to prevent noises from harming creatures in the ocean.
“海洋环境噪声监测及反演技术研究”是国家海洋863项目。
"Marine Ambient Noise Surveillance and Inversion Techniques" (MANSIT) is a subproject of State Oceanic 863.
海洋环境噪声场是一个随地域、时间变化的复杂的场，现场快速预报对于环境匹配的声纳系统有重要意义。
Rapid prediction of ambient noise field in complicated stratified shallow water that varies both with time and location is significant for a sonar system to match its environment.
海洋侦察机器人推进系统在深海中运行时产生的噪声与混沌信号有着本质的区别。
The real-time noise and chaotic signals of thruster system have essentially different when ocean reconnaissance robot running in deep sea.
积分式中的被积函数包含一噪声强度垂直指向性因子，海洋介质分层条件通过该指向性因子影响噪声场的空间相干。
The integrand includes a multiplying factor of the vertical directivity of the noise intensity, and the layered ocean environment affects the spatial coherences via this directivity factor.
文中重构了目标和海洋环境的噪声波形，模拟各类目标和环境噪声的波形，用于以后信号检测方法的研究。
In this paper, the waves of the signal and the sea noise have been reconstructed and simulated which can be used in the study of signal detecting method.
接着，作为参数调节随机共振在信号处理中的一个新的尝试，我们考虑了海洋混响噪声背景下的目标探测问题。
Later, as a new trial of application of parameter-induced stochastic resonance in signal processing, the problem of target detection in sea reverberation is considered.
本文研究海洋环境噪声与舰船噪声的频间相关与群延迟特性。
The characteristics of frequency correlation and group time delay of ambient noise and ship radiated noise in the sea are studied.
本文讨论由海面噪声源与分层介质海洋所组成的海洋环境噪声模型。
A theoretical model of ambient sea noise including surface sources and stratified ocean is discussed.
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.
本文主要论述对海上目标信号和海洋环境噪声的测量及其结果的分析。
The measurement of object signals and ambient noise at sea, as well as the analysis of its results are described in this paper.
研究海洋环境噪声场中声压和质点振速的三个正交分量间的空间相干。
The spatial coherences between the sound pressure and the three orthogonal components of the particle velocity in underwater ambient noise were investigated.
吉诺特称，海洋动物所有的这些功能都会因背景噪声加强而受到干扰。
All of these functions could be disrupted by higher levels of background noise, Guinotte says.
弗罗里达州立大学海洋学博士詹姆斯·洛卡希欧经过研究揭开了这些噪声的秘密。
Dr. James·Locascio, oceanography specialist of Florida University, has unveiled the secret of these noises through study.
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.
海洋正在变成一个噪声嘈杂的地方。
着色后修饰环境图像噪声，提高了适用于海洋景象模拟的纹素质量；
Texture graphical quality was modified and image noise was also reduced after this underline processing.
着色后修饰环境图像噪声，提高了适用于海洋景象模拟的纹素质量；
Texture graphical quality was modified and image noise was also reduced after this underline processing.
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