电脑模型表明，突吻鲸能过滤掉声纳大部分的中频声波，而声纳也不会影响这些鲸鱼用来捕猎的高频声波。
The computer model finds that mid-frequency sonar is mostly filtered out for the whales, while the higher frequencies the animals use for hunting appear to be unimpeded by sonar.
主动声纳信号检测性能的分析上，目前在计算机仿真中一般假定混响包络的统计特性符合瑞利分布模型。
Recently in the analysis of active sonar signal detecting performance, the statistical model of reverberation envelope is assumed to be in accord with Rayleigh-distribution in computer simulation.
本模型被用于被动声纳目标分类，取得了较好的效果。
Satisfactory results could be obtained by using the model proposed here to classify passive sonar targets.
从仿真结果可见，与缆绳吊放声纳系统简单分段的线性模型相比，有限元非线性模型能更准确地描述系统的物理特性。
The results show that the infinite-element nonlinear model can describe the system more accuracy than the simple separating segment linear model do.
然而，在现代高分辨声纳系统中，混响包络的统计特性并不符合瑞利分布模型。
However, in modern high-resolution sonar systems, the statistics of reverberation envelope is not in accord with Rayleigh-distributed model.
通过声纳传感器实时地创建和修正地图，局部地图是基于栅格的概率模型：工作环境被划分成栅格，每一个栅格赋一个值，标识栅格中有障碍物的概率。
The local map is a grid-based probabilistic model: the work environment is decomposed into grids and every grid takes up a value, which indicates the probability of an obstacle in grids.
针对声纳浮标的均匀布放问题，借鉴喷泉最优布放模型对此进行了研究。
This paper makes research on the sonobuoy optimization arrangements using the arrangement optimization model of fountain.
准确、有效的目标回波模型是声纳目标，特别是小尺度目标探测与识别的基础。
An accurate and effective sonar target echo model is a basis of detecting and recognizing sonar target, especially small scale target.
在双基地声纳系统中，根据能量关系推导出双基地声纳系统最大可探测范围的数学模型；
In the bistatic sonar buoys system, the mathematic model of the maximum detectable area is derived according to the relationship of energy.
在雷达、声纳、无线通信等阵列处理应用环境中，由于存在丰富的多径散射，阵列观测信号更适合采用分布源模型来描述。
In applications of array processing such as radar, sonar, and wireless communications, the array observed signal is best modeled as a distributed, rather than a discrete source.
首先给出声纳基阵的动力学模型。
仿真结果表明该模型可行，能对被动式声纳浮标搜潜的目标定位提供算法依据。
The results of simulation suggest that this model is feasible and it can provide some reference to target-location algorithms for passive sonar-buoy to search submarines.
首先根据声纳方程，推导出了声纳浮标作用距离的预报模型。
Firstly, the prediction model was induced according to the equation of sonar.
主要研究了声纳浮标在巡逻线搜索时的发现概率，并给出了其数学模型及初步分析。
This paper researches the detection probability of sonobuoy at beat, and gives mathematic model and tentative analysis of it.
在主动式吊声模型中，考虑声纳的波束方向，便于对目标进行定向等运动分析。
The orientation of the sonar beam was considered in the active dipping sonar sensor model to complete the target movement analysis such as differentiating orientation.
分析了吊放声纳发现判决方程、各种搜潜方法的共性特征，在此基础上将探测、发现目标的问题逐步转换成易于求解的数学模型。
By discussing the identification equation of submarine searching, and common characteristics of search methods, a simple mathematic searching model for dipping sonar is given.
并提出用差分gps配合声纳测深进行动态连续定位，从而建立海底地形模型的设想。
The author proposed a tentative idea about forming the model of submarine terrain by the model of DGPS combining with Sonar system.
以串口接收图像声纳探测数据，建立环境数学模型。
The detecting data is received through serial port, and the mathematic environment model is established.
基于对反潜巡逻机布放被动声纳浮标阵的研究，对方形阵的布放建立了模型。
This paper focuses on the research of the de-noising of the passive sonar based on the wavelet.
利用有一定间距的两部声纳基阵提供的目标方位和时延差的信息，实现对目标的被动测距。建立了测距物理模型，给出了后置距离滤波算法。
In this paper, we introduce passive ranging of target based on the bearings and time-delay information of dual arrays and filtering algorithm of ranging.
针对幅相误差是制约声纳基阵性能的重要因素，建立存在幅相误差的均匀线列阵模型，进而提出统计计算与计算机仿真相结合的方法。
The combined effects of mutual coupling and amplitude-phase errors have negative impact on the direction-finding performance of the MUSIC algorithm.
针对幅相误差是制约声纳基阵性能的重要因素，建立存在幅相误差的均匀线列阵模型，进而提出统计计算与计算机仿真相结合的方法。
The combined effects of mutual coupling and amplitude-phase errors have negative impact on the direction-finding performance of the MUSIC algorithm.
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