| 1. | Joint analysis of radiated noise from underwater vehicles based on wavelets and bispectrum
水下目标辐射噪声的子波变换和双谱联合分析 |
| 2. | Bispectrum based feature extraction and classification of radiation noises from underwater targets
基于双谱的水下目标辐射噪声的特征提取与分类研究 |
| 3. | This is caused by the complexity of underwater target radiated noise and the variety condition of the sea
这是由于水下目标辐射信号和海洋环境的复杂性、多变性造成的。 |
| 4. | After studying the mechanism of the underwater targets radiated noise , we learned that the signals are related to the correspondent dynamics
对于水下目标辐射噪声的产生机理，可以发现它们与相关动力学系统的结构有关。 |
| 5. | A conception of phase dynamic coupling is defined . the foc of the mot - radiated line spectrum signals is theoretically derived
在研究中，定义了相位动态耦合的概念，推导了水下运动目标辐射线谱信号的四阶累积量表征公式。 |
| 6. | An algorithm for the moving emitter passive location and tracking based on toa and doa measurements by a single fixed station is given
提出了一种测量目标辐射源脉冲到达时间和到达方向实现固定单站对运动辐射源进行无源定位的算法。 |
| 7. | An algorithm for the moving emitter passive location and tracking based on toa and doa measurements by a single fixed station is given
本文提出了一种测量目标辐射源脉冲到达时间和到达方向实现固定单站对运动辐射源进行无源定位的算法。 |
| 8. | Only a fundamental model for infrared radiation and radar cross section of bomber is needed at this stage because the software needs a kind of expansion by users . 2
由于软件最终还需要用户进行扩充，在现阶段对于轰炸机红外目标辐射模型与雷达散射截面积模型只需采用简单的形式。 |
| 9. | The analysis is also given on the sphere of application , the complexity of computation . after the extraction of the precise tdoa signal , it is the major problem
在提取到准确的时差信号后,论文第四部分就如何获取精确的目标辐射源位置,即定位算法进行了研究,主要分析了非线性定位方程组的求解技术 |
| 10. | On the contrary , the infrared passive sensors detect and locate the targets in the space by the use of the heat of the targets , and they do n ' t radiate any energy to the space
和雷达不同,红外无源探测器通过接收目标辐射的热能进行定位和跟踪,不向空中辐射任何能量,因而不易被侦察或定位,具有很强的抗干扰能力。 |
