不准确的多普勒中心估计会显著降低合成孔径声纳图像质量。
The inaccurate Doppler centroid estimation can evidently degrade the quality of SAS image.
在高频声纳图像目标检测中，对图像分割后，需要对前景目标参数进行提取。
In object detection of high frequency sonar image, it needs to get the parameters of foreground objects after image segmentation.
另外，本文还较详尽的研究了伪彩色增强技术在声纳图像实时显示中的应用。
Moreover, detailed research of the application of pseudo colored enhancement technology in real time display was carried out.
尽管从目前收集到的信息来看这个物体似乎是圆的，可是声纳图像分辨率还不足以说明它确实是圆的。
while it looks round from the information so far, the resolution of the sonar image was not high enough to verify that it is indeed round.
通过在声纳图像识别中的实际应用，对图像处理中几种典型的小波基的选择进行了比较分析。
With the practical application of sonar image recognition, comparison and analysis have been done in the selection of several typical wavelet bases which are often used in the image processing.
实验结果证明，该方法对于纹理较强的侧扫声纳图像中感兴趣区域（目标）的检测有较好的效果。
Results show that the method has a perfect performance for regions of interest (target) detection of side-scan sonar image with strong texture.
针对声纳图像识别系统实时性要求高、存储空间小的特点，提出一种基于主灰度的提取和识别方法，从而降低了特征维数，提高了声纳图像的识别效率。
To solve the problem of real time and limit memory space in sonar image recognition system, the dominant gray method to extract and recognize image information is proposed.
与雷达和声纳技术相似，激光雷达(光探测和测距)的工作原理是通过向目标发射电磁波然后根据反射波构建图像。
Like its Cousins radar and sonar, lidar (light detection and ranging), works by broadcasting electromagnetic waves towards a target and then building up a picture from the reflection.
对电厂锅炉这一高温的水环境场所进行了分析和研究，并研制出相应的图像声纳探测系统。
It analyzes and studies the environmental place of high-temperature water in boiler in power plant and develops the corresponding image sonar and surveying system.
与雷达和声纳技术相似，激光雷达的工作原理是通过向目标发射电磁波然后根据反射波构建图像。
Like its Cousins radar and sonar, lidar, works by broadcasting electromagnetic waves towards a target and then building up a picture from the reflection.
论文对高分辨率成像声纳的两个关键技术：波束形成技术和水声图像处理技术进行了研究。
In this thesis, two key-techniques of high-resolution imaging sonar are studied: beam-forming and acoustical image processing.
图像声纳与普通声纳相比，具有更高的分辨率，从而可以提供更多的水下目标外形轮廓的细节特征。
Compared with common sonar system, more details from shape Outlines of underwater targets are obtainable for imaging sonar with higher resolution rate.
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.
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.
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