Based on three-dimensional (3D) chaotic system, combined with maximal overlap discrete wavelet transform (MODWT), a novel underwater weak target detection method is proposed. This research focuses on the problem that the current detection systems are difficult to achieve weak target detection and ...
underwater target echo detection水下目标回波检测 3)Underwater target detection水下目标探测 1.Analysis of key technology and the applications of underwater target detection by LASER;水下目标探测中的激光技术 4)weak signal detection under heavy interference强干扰下弱目标检测 5)object detection目标检测 1...
1.An underwater target detection method is studied based on the MTI technique.研究了一种基于MTI技术的水下目标检测方法。 2.The simulation results showed that under the conditions of target direction from 0 to 360 degree and noise from 0 to 15dB,the fusion algorithm can make higher accurate be...
Detection of line-spectrum of radiated noises from underwater target based on chaotic system 来自 Semantic Scholar 喜欢 0 阅读量: 71 作者:H Wang,S Min 摘要: A method based on chaotic theory for detecting weak line-spectrum of radiated noises for an underwater target is studied in this paper...
(SNR),it becomesmorechallenging. In sonar system,the main background noise is the self-radiatednoise.Inthesituationoffarfieldtargetor1ow levelsourcedetection.thesignalreceivedbysonarisoflow SNR.makingithardtobedetected.Recently,nonlinear dynamicalmodelinghasbeendevelopedrapidly.Intheworks ofZhangeta1.(1998...
A High DOA Technique for Acoustic Target Detection Underwater Using MUSIC Algorithm Underwater obstacle finding in ocean environment has attracted considerable interest in both military and civilian applications. In this paper, the performance of directions finding techniques, subspace and the non-subspace...
In order to improve the detection capability of weak signal from underwater moving target, a bearing variance detection method is proposed by exploiting the difference in spatial distribution between underwater target radiated noise and ocean ambient noise. The time delay estimation method is applied ...
underwater target detection23,24,25, real-time measurement26, long-range polarization imaging27, utility of the polarization angle28,29,30. Moreover, Shao et al.31proposed a hazy image restoration method based on atmospheric light polarization tomography. Liu et al.32used Wavelet Transform to str...
Research on this subject is mainly through the sensor detection of underwater target, by distinguishing signal processor targets information, so as to achieve the goal of recognition. By various sensors and underwater communication learning of knowledge, combined with the c language, and single-chip...
Underwater biological detection is of great significance to marine protection. However, the traditional target detection techniques have some challenges, such as insufficient feature extraction for small targets and low feature utilization rate. To addre