| 1. | 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。 |
| 2. | Through numerical simulation , the accuracy of the methods has been intensively studied . the contour figures of localization errors are given
通过数值仿真，对算法的定位精度进行了研究，给出了双基地声呐定位误差的几何分布。 |
| 3. | ( 2 ) based on bistatic geometry , two simple localization methods tol ( time - only - localization ) and bol ( bear - only - localization ) have been proposed
2 )针对双基地声呐水下目标定位问题，提出了两种基本的双基地声呐定位算法： tol和bol方法。 |
| 4. | The optimal systems geometry is given . secondly , by expanding the equation in a taylor series about a reference point , the linearity least square algorithm is presented
根据定位方程非线性的特点，应用泰勒级数展开，提出了多基地声呐定位的线性化最小二乘定位优化算法。 |
| 5. | 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。 |
| 6. | ( 4 ) three multistatic sonar localization algorithm based on range information are proposed . firstly , the tol algorithm is given . the formulas are provided for both the position and the variance of the position estimates
首先，将tol ( time一only一locallzation )算法扩展到多基地声呐定位中，给出多基地tol算法的原理，并对不同站址布局下，系统的误差分布特点进行了研究，给出了最优的站址布局方案。 |
| 7. | Third , based on the non - linearity feature of the system , the lmf algorithm is given by using the non - linearity least square optimal method . the simulating results show that the accuracy of the algorithm approaches the cramer - rao - bound . finally , the radial based function network localization algorithm is present for bistatic sonar
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。 |
| 8. | In this paper , an intensive study of the cruces technical of the multistatic sonar have been made from the point of multistatic geometry . the bistatic sonar localization and sound scattering of underwater target have been thoroughly studied . the bistatic scattering experiments have been carried through in tank
本文依据多基地声呐的工作特点，对多基地声呐应用中的关键技术进行了研究，给出了有关多基地声呐定位和多基地目标声散射特性的研究方法；并通过仿真，对各种方法进行了性能评估和比较；最后通过水池实验，给出了多基地声呐目标特性研究的实验结果。 |
