| 1. | Design of dis - based underwater acoustic countermeasure simulation system
的水声对抗声学仿真系统设计 |
| 2. | The performance of several real underwater acoustic countermeasure equipments like the noise jammer , the acoustic bait and the gas bubble are investigated
分析研究了几种典型的水声对抗器材，包括噪声干扰器、声诱饵及气幕弹。 |
| 3. | The method of counterwork effectiveness of the uace has an important reference value for researching the uace and the underwater acoustic countermeasure system
该效果评估方法对水声对抗器材及水声对抗系统的研究有着重要的参考价值。 |
| 4. | The mathematical models and simulation models are built up based on the function parameters and work principle of these underwater acoustic countermeasure equipments
分析、研究了它们的功能、技术指标及对抗工作方式，建立了这些对抗器材的功能模块图、软件设计流程图和仿真模型。 |
| 5. | Underwater acoustic countermeasure is a key technology of underwater electronic warfare . the underwater acoustic countermeasure experiments are an important part in the research of underwater acoustic countermeasure
水声对抗是水下电子战的关键技术，水声对抗试验是水声对抗研究的重要组成部分。 |
| 6. | The thesis is also concerned with the feature parameter extraction methods of the underwater targets to improve the coun termeasure ability of the equipments , which keeps track of the development of underwater acoustic countermeasure technology
针对水声对抗技术的发展，研究了水下目标特征参数提取技术，跟踪了水声对抗目标识别技术的发展水平，对提高水声对抗能力具有重要意义。 |
| 7. | The underwater acoustic countermeasure experimental simulation and evaluation system is an efficient tool that is used mostly for the mathematical and multimedia simulation of the underwater acoustic countermeasure experiments , the evaluation and analysis of the experiments
建立水声对抗试验仿真及评估系统，进行水声对抗试验的仿真、考察、评估是进行水声对抗试验及试验研究的有效手段。 |
| 8. | In order to evaluate the fight effects of using the underwater acoustic countermeasure equipment ( uace ) , the method of counterwork effectiveness of the uace including the rule of evaluation and the method of simulation experiment was given based on the underwater acoustic countermeasure simulation and evaluation system , and then a series of simulation experiments between using the uace or not were made , and a typical experiment result was given
摘要为了评估水声对抗器材对抗鱼雷的作战效果，在水声对抗仿真评估系统的基础上，给出了针对水声对抗器材的对抗效果评估方法，包括评估准则、仿真试验方法等，并进行了水面舰不采用对抗措施和采用对抗措施两种情况下水声对抗器材对抗鱼雷的仿真试验，给出了试验结果。 |
| 9. | Based on the general study of underwater acoustic countermeasure technology and underwater acoustic countermeasure equipments , this thesis mainly studies the modeling of the underwater acoustic countermeasure equipments , which includes mathematical modeling and simulation modeling . these studies provide the foundation for the underwater acoustic countermeasure experimental simulation and evaluation system
本文在广泛分析研究水声对抗问题及水声对抗器材的基础上，侧重研究了水声对抗器材的建模问题，为建立水声对抗试验仿真及评估系统进行干扰器材建模奠定了基础。 |
| 10. | The feature parameter extraction methods of the underwater target are studied which can improve the performance of the underwater acoustic countermeasure equipments . several feature extraction methods such as the scale invariance feature extraction , target pole extraction fourier - mellin transform etc are investigated by computer simulations . the experimental results demonstrated the efficiency of these feature extraction methods in the applications of underwater target recognition
对多种特征提取方法如目标相对不变尺度特征提取、目标极点特征提取、目标信号的傅里叶?梅林变换特征提取等进行了仿真研究，结果表明了这些特征参数提取方法的有效性，具有良好的应用前景。 |
