High range resolution profile hrrp

WebApr 3, 2012 · Abstract: A factor analysis model based on multitask learning (MTL) is developed to characterize the FFT-magnitude feature of complex high-resolution range profile (HRRP), motivated by the problem of radar automatic target recognition (RATR). The MTL mechanism makes it possible to appropriately share the information among samples … 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 ...

DeepSVDD-Pytorch-4-HRRP-Radar-Target-Recognition - GitHub

Web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。 WebAbstract Aiming at high-resolution radar target recognition, new convolutional neural networks, namely, Inception-based VGG (IVGG) networks, are proposed to classify and recognize different targets in high range resolution profile (HRRP) and synthetic aperture radar (SAR) signals. The IVGG networks have been improved in two aspects. chinese embassy in lithuania https://drverdery.com

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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 … WebNov 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 ... 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 … chinese embassy in lagos nigeria

Chapter 3: High-Resolution Range Profile GlobalSpec

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High range resolution profile hrrp

一种基于多特征提取的雷达目标识别方法研究-杨磊王晓丹张玉玺

WebJan 1, 2014 · According to electromagnetic scattering theory, in the high-frequency zone where the extent of an object is much greater than the wavelength of a radar, a high … 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.

High range resolution profile hrrp

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WebIn 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. WebDec 12, 2024 · In this paper, autoencoder and convolutional neural network are combined to make full use of the complex function representation capabilities of deep network structure. The effectiveness of the proposed method is demonstrated by experiments with radar high-resolution range profile (HRRP) data based on dynamic scene simulation.

WebMar 18, 2024 · HRRP Target Recognition With Deep Transfer Learning Abstract: Recently, radar high-resolution range profile (HRRP) recognition based on convolutional neural networks (CNNs) has received considerable attention due to its robustness to translation … WebFrequency 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.

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 … 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 …

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.

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 … grand haven subdivision monroe gaWebJun 1, 2010 · The high resolution range profile (HRRP), another classical tool for radar target recognition, is also processed to compare with the proposed method; and the HRRP of the missile and decoy are shown in Fig. 7. Download : Download high-res image (94KB) Download : Download full-size image; grand haven surf forecastWebHigh profile definition, a deliberately conspicuous manner of living or operating. See more. grand haven subdivisionchinese embassy in malawiWeb高分辨率距离像(High Resolution Range Profile，HRRP)是高分辨率宽带雷达发射的电磁波信号在目标每个分辨距离单元内所有散射回波的矢量和，能够反映目标的几何结构、散射点能量分布等特征。 ... grand haven swim clubWeb本发明属于雷达技术领域，公开了一种基于解耦表征变分自编码机的雷达HRRP目标识别方法，包括步骤：获取待训练雷达HRRP数据和待识别雷达HRRP数据，并进行预处理；构建编码器和解码器，共同组成解耦表征变分自编码机；对所述解耦表征变分自编码机进行训练；将预处理后的样本依次输入训练好的 ... chinese embassy in lagoshttp://www.globalauthorid.com/WebPortal/ArticleView?wd=A2FCE01646DE296857D1624E7131920E6050CCACF5B9D0F2DE1D6DDEF043C7A7 grand haven sweatshirts