声呐

基于扩展Kalman滤波的双基地声呐目标轨迹跟踪

Bistatic Sonar Target Motion Analysis Based on Extend Kalman Filter

基于Chirpscaling成像算法的高分辨聚束式合成孔径声呐

A chirp scaling algorithm for high-resolution spotlight synthetic aperture sonar imaging

合成孔径声呐（syntheticaperturesonar，简称SAS）载体的随机运动、声波传播媒质不稳定等会影响成像的质量。

Synthetic aperture sonar imaging is affected by random motion and medium instability .

声呐数据融合的期望最大化（EM）算法

Application of the EM algorithm for the sonar data fusion

本文介绍了CS－1型侧扫声呐系统的组成和工作原理以及它的特点。

This paper presents Model CS-1 side scan sonar system components , principle and its features .

声呐目标强度（TS）计算的板块元方法

The planar element method for computing target strength ( TS ) of sonar

应用chirp声呐探测海冰的试验研究

Application of chirp sonar technique for sea ice monitoring

一种基于Hough变换的声呐对目标航迹检测算法研究

A Kind of Sonar Detection on Target Trajectory Based on Hough Transform

本文介绍了旁侧声呐在海底障碍物探测中的应用和渔船改装的GPS动态定位船进行水上定位的工作原理和施工方法。装备GPS导航软件的渔船可以指示船只的实时位置。

The application of Side-Scan Sonar in submarine survey and the dynamic positioning principle of working with refitted fishing-boats are introduced in this paper .

基于MRF场的侧扫声呐图像分割方法

Side-scan sonar imagery segmentation based on Markov random field model

改进MRF参数模型的声呐图像分割方法

Sonar imagery segmentation algorithm by improved MRF parameter model

基于进化规划的Kohonen网络用于被动声呐目标聚类研究

Evolutionary Programming Based Kohonen Network for Passive Sonar Targets Clustering Analysis

本文以声呐为例讨论了应用啾声（Chirp）信号于线阵的问题。

Taking the sonar case for an example the application of a chirp signal for a linear array is described .

潜艇首部声呐平台区结构复杂，激励也是随机和宽带的，其中，高频（500Hz~10kHz）自噪声预报通常采用SEA（统计能量分析）。

The structure of submarine sonar platform area is complicated and the driven forces are random and wide-band . Statistical energy analysis is often used to predict its middle and high-frequency ( 500Hz ~ 10kHz ) .

数字式声呐显示系统的GSC算法

Gray scale conversion algorithm for digital sonar display system

本文针对被动声呐目标识别，首先着重研究了调制线谱特征提取方法，然后为了训练神经网络目标分类器，本文将遗传算法和BP算法相结合，提出了一种新的自适应遗传BP算法。

Ln this paper , a feature extraction method of modulation line spectrum is studied at first , and then a novel adaptive genetic backpropagation algorithm is proposed for training neural network target classifier .

在双基地的条件下，讨论了当双基地的无源声呐匀采用容易得到的目标方位角、频率的数据测量为输入时的无源TMA问题。

In the condition of two arrays , bearings and frequency of target gained easily by each sensor in arrays are input .

相干信源DOA估计是阵列信号处理的一个研究热点，在雷达、通信、声呐等领域有着广泛的应用前景。

The DOA ( Direction-Of-Arrival ) estimation of coherent signals is a research hot spot of array signal processing , which is widely used in radar , communication and sonar etc.

为提高声呐对目标航迹的检测性能，从单部声呐时间融合的角度出发，提出了一种基于Hough变换的声呐信号检测算法。

To improve the detection characters of sonar to target trajectory , a kind of sonar detect algorithm that based on time fusion of single sonar is proposed , in which the Hough transform is adopted .

在建立前视声呐视域模型和人工势场模型的基础上，对AUV进行决策控制，通过梯度逼近法对目标进行搜索，快速规划出一条无碰撞的路径。

On the basis of building forward looking sonar view model and artificial potential model , decision control of AUV is made , objects are searched through grads approach , a collision free path is planed .

由于双基地声呐定位方程非线性的特点，应用求解非线性最小二乘问题的无约束最优化算法，给出了基于LMF方法的双基地声呐定位优化算法。

Third , based on the non-linearity feature of the system , the LMF algorithm is given by using the non-linearity least square optimal method .

为了克服LMF算法在进行迭代时依赖于初始值的缺点，根据人工神经网络在求解非线性问题方面的特点，提出了用径向基函数网络方法来进行双基地声呐定位的优化算法。

Finally , the radial based function network localization algorithm is present for bistatic sonar . The performance of the method is comparable with the LMF algorithm .

为了更充分的利用冗余的观测信息，提出一种基于加权最小二乘的双基地声呐定位优化算法（WLS算法），并与传统的基于波达时间定位算法（TOL算法）进行了比较。

For the purpose of using the redundancy information , the weigh least square localization algorithm was provided , and also it was compared to the Time-Only-Localization algorithm .

仿真结果表明：双基地TOL算法的定位精度高于BOL定位算法，是一种高精度的双基地声呐定位算法。

The accuracy of the methods is also intensively studied . The simulating results show that the localization accuracy of the TOL algorithm is better than that of the BOL algorithm .

PGS型中地层地质剖面仪（又称精密地质声呐）系由中国科学院声学研究所东海研究站和交通部水运规划设计院共同研制和开发的新的海洋地质仪器。

Model PGS Mid-stratigraphic Geological Profiler is a new geological instrument developed jointly by East China Sea Acoustical Lab , Institute of Acoustics , Academia Sinica , and the Water Transportation Planning & Designing Institute , Ministry of Communication .

给出了基于声波到达方位（BOL）的双基地声呐定位算法，分别研究了基线长度和角度测量误差等因素对该算法定位精度的影响。

In this paper , the Bear Only Localization ( BOL ) algorithm for bistatic sonar is presented . The localization accuracy of the algorithm for different baseline length and bear measurement error is studied .

基于修正的Kirchhoff近似公式，本文提出了包括幅度、时延、相位跳变和局部平面波反射系数的非刚性表面声呐目标的修正四参数几何亮点模型。

Based on the modified Kirchhoff approximation , a modified geometrical highlight model of echoes from nonrigid surface sonar target with four parameters , including the amplitude , the time delay , the phase jump and the local plane wave reflection coefficient , is presented in this paper .

对用于近场声全息（NAH）技术、测量大型声呐发射阵近场全息声压分布的线型水听器基阵，进行设计、研制。

The design and Development of a linear hydrophone array , using for measuring the complex sound pressure ( amplitude and phase difference ) distribution near by a large sonar transmitting array for NAH ( Near field Acoustic Holograph ) technique , are undertaken .

为解决被动声呐目标的特征提取与识别问题，通过对被动声呐目标噪声频谱特性的深入分析，给出了一种基于Welch谱估计的目标特征提取方法。

In order to solve the problem of the underwater target feature extraction and recognition , this paper analyzed the frequency spectrum signature of the passive sonar target noise , and proposed a kind of method to extract the object signature based on Welch power spectrum density estimation .

所研制的声呐脉冲侦察模块用目标模拟器（ATANC）进行了陆上联调实验，实验结果验证了声呐脉冲侦察模块的优良性能。

An experiment on the module is carried out with the target simulator ATANC , and the experiment results show that the performance of sonar pulse detection module is good enough .