High range resolution profile hrrp

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August undefined, 2024

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 … Web常用的识别方法可分为以下两种类型：一种是基于合成孔径雷达(Synthetic Aperture Radar,SAR)图像和逆合成孔径雷达(Inverse Synthetic Aperture Radar,ISAR)图像的目标分类识别；另一种是基于高分辨一维距离像(High-resolution Range Profile,HRRP)的目标分类识别。

Intelligent radar HRRP target recognition based on CNN-BERT …

Web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 ... 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 … great litany book of common prayer

Radar HRRP Open Set Target Recognition Based on Closed …

WebJun 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; 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 12, 2024 · Abstract: As the one-dimensional projection of the echoes from scattering centers on a target along the radar line-of-sight, high range resolution profile (HRRP) has drawn great attention to automatic target recognition (ATR). Normally, features are extracted based on the strong scattering centers of HRRP. In recent years, several … great litany orthodox sheet music

HRRP Target Recognition With Deep Transfer Learning

Joint Tracking and Classification of Multiple Targets with …

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 … 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 ... flood alerts gold coast greatlite 32827 pro 500 flashlight

"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. " - High range resolution profile hrrp

High range resolution profile hrrp

HRRP recognition in radar sensor network - ScienceDirect

http://www.globalauthorid.com/WebPortal/ArticleView?wd=7A280E01FD3237500BF0C353555B427BF76440275FA51906 WebHigh profile definition, a deliberately conspicuous manner of living or operating. See more.

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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。 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.

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. 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.

Web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。 ... WebApr 1, 2024 · In this paper, several high-resolution range profile (HRRP) recognition approaches in radar sensor network (RSN) are investigated. First, we study HRRP target recognition in a radar. A decision rule based on the minimum resistor-average (MRA) distance criterion is established for HRRP sequence recognition.

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.

WebAn HRRP ATR procedure based on deep networks is developed to replace the shallow algorithms.Stacked Corrective Autoencoders (SCAE) is further proposed for HRRP ATR considering HRRP's characteristics.Experiments based on measured HRRP data show the SCAE outperforms several feature extraction methods.Some detailed experiments further … great lite by great neckWebHigh range resolution profile (HRRP) of a wide band radar is an effective technique for the discrimination of a group target, and it has been intensively investigated in the field of … flood alerts hampshireWebA 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 ... flood alerts hullWebAug 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 ... flood alerts herefordshireWebAbstract: 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. great litany orthodoxWebJul 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. greatlite flashlight 3202b assemblyWebMay 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 … flood alerts in aylesbury