| 1. | Research on accuracy of localization algorithm for bistatic sonar 双基地声纳定位精度和算法研究 |
| 2. | In the meanwhile , given the basic theory of location method , cited the localization error in bistatic sonar 在此同时对双基地声纳定位原理和定位误差进行了分析。 |
| 3. | Based on the character of the bistatic sonar , four localization optimal algorithms are proposed 根据双基地条件下,系统存在着冗余信息的特点,提出了四种双基地声呐定位优化算法。 |
| 4. | The research results show that the target strength and reverberation of bistatic sonar are different from those of monostatic sonar 研究表明,在双基地条件下,受双基地几何关系影响最大的是目标强度和混响。 |
| 5. | The main contributions of this dissertation are summarized as follows : ( 1 ) the sonar equations of bistatic sonar are developed from an energy point of view 本文的主要研究内容包括以下几个方面: 1 )从双基地声呐的几何关系出发,给出了双基地声呐方程。 |
| 6. | Moreover , the bistatic operational range has been estimated for different frequency . the results show that the operational range of bistatic sonar is higher than that of monostatic sonar 通过对不同频率下双基地声呐作用距离的预报,表明在相同优质因数条件下,双基地声呐可以具有比单基地声呐更大的作用距离。 |
| 7. | The localization principle of bistatic sonar is given and the gdop ( geometry dilution of precision ) which used in bistatic radar for describing the localization error has been cited in bistatic sonar 在对双基地声呐定位原理和定位误差分析的基础上,提出了用定位精度的几何解释( gdop )来表征双基地声呐定位误差的方法。 |
| 8. | In this paper , theoretical analysis and experimental research on acoustic scattering properties of some submarine model are made in a water tank . in the meanwhile , the bistatic sonar localization has been thoroughly studied 本文依据多基地声纳的工作特点,对多基地声纳应用中的关键技术进行了研究,给出了有关多基地声纳定位和多基地目标声散射特性的研究方法。 |
| 9. | The main contributions of this dissertation are summarized as follows : ( 1 ) simply introduce the bistatic sonar system , given the basic conception of the sonar equations of bistatic sonar and the effects of the parametric on it 本文的主要研究内容包括以下几个方面: 1 )从双基地声纳的几何关系出发,给出了双基地声纳方程。对声纳方程中各参数的物理意义及影响因素进行了详细讨论。 |
| 10. | ( 2 ) in order to do more study in sonar localization , detection , estimation , it is necessary to study the special and temporal distribution characteristic of the reverberation , that is the target strength in the negation not incidence direction . in the third chapter , the scattering character principle of bistatic sonar is given 2 )为了更深入的研究多基地声纳的定位、检测与估计等关键技术,对多基地条件下,目标回波的时间和空间分布特性,即非入射方向目标的声散射特性进行深入的研究是十分必要的。 |