High range resolution profile hrrp

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August undefined, 2024

WebAug 1, 2024 · The high-resolution range profile (HRRP) is the coherent summation of the complex time returns from target scatterers projected on the radar line-of-sight (LOS), which reflects the structure of the target along with the radar LOS. Compared to synthetic aperture radar (SAR) and inverse SAR (ISAR) images, it can be more easily obtained and ... WebNov 9, 2024 · Abstract: The problem of high range resolution profile (HRRP) estimation is considered in this paper. In particular, stepped frequency waveforms are devised to …

Radar HRRP Open Set Target Recognition Based on Closed …

WebNov 7, 2024 · One of the radar high resolution range profile (HRRP) target recognition issues is the existence of noise interference, especially for the ground target. The … WebAbstract: In order to improve the accuracy and robustness of radar target recognition under low SNR conditions, a novel radar high range resolution profile (HRRP) target recognition method based on feature pyramid fusion lightweight CNN is proposed in this paper. florida clia license waiver application

深度复极限学习机在雷达HRRP目标识别中的应用*_参考网

WebRadar high-resolution range profile (HRRP) has received intensive attention from the radar automatic target recognition (RATR) community. Usually, complex HRRPs are not fully used for RATR but only their amplitude vectors, while the phase information of them is discarded due to the fact that the initial phase of a complex HRRP is strongly sensitive to target … WebMay 18, 2024 · Polarimetric high-resolution range profile (HRRP) represents the distribution of target scattering centres along the radar line-of-sight. Because it can … WebSep 6, 2024 · The high range resolution profile (HRRP) benefiting from the large available bandwidth makes it possible to separate the scattering points from each other. Therefore, many more advanced methods for the wideband radar have been proposed to extract finer and more accurate micro-motion features [ 17, 18, 19, 20, 21 ]. florida clergy abuse attorney

Target-attentional CNN for Radar Automatic Target Recognition with HRRP …

基于解耦表征变分自编码机的雷达HRRP目标识别方法【掌桥专利】

http://www.globalauthorid.com/WebPortal/ArticleView?wd=A2FCE01646DE296857D1624E7131920E6050CCACF5B9D0F2DE1D6DDEF043C7A7 WebNov 9, 2024 · Conventional radar automatic target recognition (RATR) methods using High-Resolution Range Profile (HRRP) sequences require carefully designed feature extraction techniques and plenty of HRRP waveforms, which result in insufficient recognition rate and limit in real-time recognition. great value meatballs caloriesWebFrequency stepped radar’s HRRP and 2D images are used for target recognition and classification. Currently, the fine range resolution capability of frequency stepped radar is being exploited to solve the difficult problem of detection of high-speed, low-RCS targets in the presence of large clutter. florida clia change of ownership

"WebMay 23, 2008 · High resolution radar is an area of vigorous research and development in recent years. It is known that radar's range resolution is inversely proportional to its bandwidth. Therefore, the increase in bandwidth correspondingly improves the … " - High range resolution profile hrrp

High range resolution profile hrrp

Motion Compensation of Moving Targets for High Range Resolution …

WebJan 23, 2024 · The echo of HRR, high-resolution range profile (HRRP), is the amplitude of the coherent summations of the complex time returns from target scatterers in each … WebMay 15, 2009 · Abstract Stepped frequency radar is a well known scheme to generate high range resolution profile (HRRP) of targets. Through appropriate radar parameter design, the radar enables both unambiguous velocity measurement and high resolution ranging within a single dwell in a high pulse repetition frequency (HPRF) mode.

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WebOct 1, 2010 · Introduction 1 High range resolution profile (HRRP) is a one-di- mensional measurement of target radar reflectivity along radar line-of-sight (LOS). It provides detailed structure information of ground moving targets for identification. WebA high range resolution profile (HRRP) is a good characteristic for radar target, and radar target recognition by using HRRP has been studied extensively. Target recognition by fusion the target features of multiple polarimetric directions is studied in this paper, the framework of multi-polarized HRRP classification by SVM ensemble is given ...

WebJan 1, 2015 · A high-resolution range profile (HRRP) represents the projection of the target scattering centres on the radar line of sight [1, 2]. Compared with other wideband radar … WebJan 12, 2024 · Radar automatic target recognition based on high-resolution range profile (HRRP) has become a research hotspot in recent years. The current works mainly focus on closed set recognition, where all the test samples are assigned to the training classes. However, radar may capture many unknown targets in practical applications, and most …

WebApr 7, 2024 · high-profile: [adjective] attracting a lot of attention in newspapers, on television, etc. WebDec 1, 2014 · Feature extraction is the key technique for Radar Automatic Target Recognition (RATR) based on High Resolution Range Profile (HRRP). Traditional feature extraction algorithms usually use...

WebOct 18, 2001 · With an airplane, because its size is smaller than the resolution of conventional radar, it can be regarded as a 'point'. But to wideband radar, with a few hundred MHz bandwidth, the range resolution is smaller than a meter, and the airplane echoes of one impulse compose a high resolution range profile (HRRP), which includes target shape ...

WebJan 12, 2024 · Radar automatic target recognition based on high-resolution range profile (HRRP) has become a research hotspot in recent years. The current works mainly focus … great value maraschino cherries ingredientsWebIn order to reflect the radar target characteristics of the physical structure better and increase radar target recognition rate, the spectrum range, energy accumulation zone length, the number of scattering centers and central moment features of High Range Resolution Profile ( HRRP) were extracted to constitute a multi-feature vector. florida clerk of courts tallahasseeWebJul 1, 2024 · In this paper, a target-attentional convolutional neural network (TACNN) combining the convolutional neural network (CNN) and attention mechanism is proposed for radar high-resolution range profile (HRRP) target recognition. florida clerk of courts divorceWebNov 2, 2024 · 雷达高分辨距离像(High-Resolution Range Profile,HRRP)是基于雷达宽带信号获取的目标散射点子回波在雷达射线方向(Radar line of sight,RLOS)上投影的向量和，它含有大量的目标结构、散射点分布和目标尺寸等可判别信息。 ... HRRP数据包含了丰富的目标尺寸和相对结构等信息 ... florida cle technologyWebSep 14, 2024 · A high-resolution range profile (HRRP) is the amplitude of the coherent summations of the complex time returns from target scatterers in each range cell, which represents the projection of the complex returned echoes from the target scattering centers onto the radar line-of-sight (LOS). florida clia waiver applicationWeb基于上述考虑，本文首先建立运动目标的雷达回波频域模型，提出了高速运动目标的频域回波模拟方法。针对lfm波形，建立了运动目标lfm波匹配滤波后的频域表达，分析了目标径向速度和径向距离引起hrrp的平移和散焦，得到了定量结果。 great value meatballs nutritionhttp://www.globalauthorid.com/WebPortal/ArticleView?wd=7A280E01FD3237500BF0C353555B427BF76440275FA51906 florida clerks and comptrollers