| 1. | The bounded histogram and its application in the sonar image enhancement with fuzzy sets
属性直方图及其在声纳图像模糊增强中的应用 |
| 2. | The simulation of high - frequency multibeam sonar image is the main task in the dissertation
高分辨多波束声纳图像的仿真是本文的主要任务。 |
| 3. | The imaging principle of mine - hunting sonar is important for the design of sonar , so the simulation of sonar image is significant
猎雷声纳的成像原理对声纳本身的设计是十分重要的，因此声纳图像的仿真具有重要意义。 |
| 4. | Many factors of sonar imaging simulation , such as the imaging principles , the calculating model and image displaying , are also investigated
对于声纳成像仿真的多种因素：成像原理、仿真的计算模型以及显示作了分析。 |
| 5. | The dissertation researches the principle of high - frequency multibeam sonar imaging and some parts of the techniques , and does some work of simulation on the base of the simulating mathematic model , then achieves some available results
本论文对多波束高分辨声纳图像的产生机理及部分技术作了研究。并以建立的仿真数学模型为基础，做了仿真工作，得到了有益的结果。 |
| 6. | The image registration was discussed the following three steps : initial registration , pre - filtering , sub - pixel registration . an adaptive range - filtering algorithm was proposed , which filters the different parts of object spectrum in master and slave synthetic aperture sonar images
干涉sas复图像的配准按实际信号处理过程分三个步骤论述：初配准、频谱预滤波和子像素级配准，其中针对预滤波提出了一种自适应的距离向频谱滤波方法。 |
| 7. | This thesis discusses on the post - processing of sonar signal which includes the search and location of the target , the pattern recognition and the neural networks classification , and also carries out a process of the sea test data with the post - process - programs to verify the validity of the pattern recognition with bp neural network , which helps to develop the sonar image processing and the image processing of other fields
本文在完成课题中的显示控制任务同时，对声纳信号后置处理，包括目标的搜索定位以及模式识别和神经元网络识别等内容，进行了论述，并利用后置图像处理程序对正样机海试数据进行处理，验证了bp神经元网络下模式识别方法在水声图像处理方面的有效性，有助于声纳图像处理以及其他领域图像处理的发展。 |
