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- Analysis of Underwater Target Signal and Its Effective Attenuation Coefficient 水下目标信号特性及其有效衰减系数分析
- Research on Characteristic Extraction and Detection of Underwater Target Signal 水中目标水压场信号特征提取与检测研究
- Research on Feature Extraction and Collection for Underwater Target Signal 水下目标信号特征提取与采集研究
- underwater target signal 水下目标信号
- LFM signal will likely become the main signal form in underwater target strength broadband test. 摘要线性调频信号可能将成为水下目标强度宽带测试的一种主要信号形式。
- Underwater Target Detection Against Texture Background Using Hough Transform[J]. 引用该论文 袁易全;王明敏.
- The target classifier is an important composition of the underwater target recognition system. 目标分类器是水下目标识别系统的重要组成部分。
- The Bayesian model and the transferable belief model (TBM) are applied separately to solve an underwater target identification problem. 本文将贝叶斯模型和TBM模型这两种数据融合方法分别应用于一个水下目标识别问题,并对应用效果进行了分析比较。
- Based on the mathematical model of target signal of millimeter wave radiometer on bomb, the digital simulation is made of the target signal. 摘要从弹载毫米波辐射计的目标信号数学模型出发,对目标信号进行了仿真计算。
- A location method based on the DGPS and Bowring sailing method was discussed.It is easy to apply toa fast searching for underwater target with SSBL underwater position system. 叙述了一种对水下目标定位后,如何利用差分GPS定位和应用波林法等算法,快速准确地对水下目标进行精确定位和测距等搜寻工作。
- Overlapped low-frequency interruption and random noise usually exist in singularity target signal recognition. 摘要奇异性目标信号检测中往往存在叠加型低频干扰及随机噪声的污染。
- Based on the mathematical model of target signal of millimeter wave radiometer on bomb, the digital simulation was made on the target signal. 从弹载毫米波辐射计的目标信号数学模型出发,对目标信号进行了仿真计算;
- This method filters the blocks formed of frames and windowed by 2D window.Then the target signal samples are smoothed in local. 采用多帧组合成块的结构进行二维加窗滤波,然后辅以局部平滑的技术,可以有效抑制噪声,并防止乐性噪声出现。
- A method of underwater target dimension identification was proposed by special bearing distribution data of body target echo based on identification theory of a target bearing method. 摘要阐述基于目标方位走向法的目标识别理论,提出利用体目标回波的空间方位分布信息识别水下目标尺度信息的方法。
- The search of moving target is a tough problem to the airborne laser searching for underwater target,because the effec tive search time can be greatly reduced due to the moving target probably escap ing the search area. 机载激光搜索水下的运动目标是一个较难的问题 ,因为运动目标容易跑出搜索区域使有效搜索时间缩短。 为了快速有效地搜索目标。
- In this paper,the hardware and software of the automatic test system are designed based on DSP technique,CPLD technique,target signal simulation,VISA technique,and ODBC technique. 本文基于DSP技术、CPLD技术、回波信号模拟、VISA和ODBC等技术;完成了引信自动测试系统的硬件及软件设计.
- We demons t rate the influence of the magnetic field of underwater target/earth on the pola rization of airborne laser in this paper and try to find a parameter to recogniz e the target. 本文研究地磁场和目标磁场对偏振激光的影响,并试图从中获得识别目标的参数。
- The clutter is predicted exactly and subtracted from the input signal by RLS adaptive filter,leaving components of the target signal in the residual noise. 通过RLS自适应滤波器,背景杂波分量被准确地预测并从输入信号中去除,从而只剩下目标信号与残留噪声。
- Extracting line spectrum from ship-radiated noise is a key technique for identification of underwater targets in passive sonar system. 线谱是水中目标辐射噪声中重要的特征信息,在被动声呐系统中,线谱提取是水中目标识别的关键技术。
- Classifying five target signals underwater base on the bispectrum features through BP neural networks, the targets are identified properly with high efficiently. 在提取了水下目标信号的双谱特征的基础上,利用BP神经网络对五类水下目标信号的双谱特征进行分类,得到了较高的识别率。