Results 151 to 160 of about 797,596 (216)

High resolution VHF SAR processing using synthetic range profiling

IGARSS '96. 1996 International Geoscience and Remote Sensing Symposium, 2002
This paper demonstrates the use of stepped-frequency waveforms to obtain high resolution SAR images without imposing severe instantaneous bandwidth requirements on the radar system. Although azimuth compression and motion compensation are essential to obtain high resolution SAR images, this paper only discusses how to obtain high range resolutions ...
R.T. Lord, M.R. Inggs
openaire   +1 more source

The range alignment algorithm for high-resolution range profile of multiple target

2016 11th International Symposium on Antennas, Propagation and EM Theory (ISAPE), 2016
Aiming at the problem of the difficulty in the range alignment of HRRP because of more than one target in the window of radar image, this paper propose a alignment method for multiple targets in the target group by using an image segmentation method. First, we accumulate the HRRP of the target, and get the HRRP process diagram.
Sheng Jing, Ren Hong-mei
openaire   +1 more source

Radar Target Complex High-Resolution Range Profile Modulation by External Time Coding Metasurface

IEEE transactions on microwave theory and techniques
In this article, we propose a method based on time coding metasurface (TCM) to modulate the characteristics of radar targets in complex high-resolution range profiles (HRRPs).
Shijian Yu, Dongfang Guan, Ziyang Gu, Jinxing Guo, Zhen Liu, Yongxiang Liu   +5 more
semanticscholar   +1 more source

Properties of high-resolution range profiles

Optical Engineering, 2002
Wideband radar can obtain much target information due to its high-range resolution. Because its size is smaller than the resolution of conventional radar, for an airplane, it can be regarded as a point. However, for wideband radar with a bandwidth of several hundred megahertz, the range resolution is less than a meter, and airplane echoes of one ...
openaire   +1 more source

Three-dimensional ISAR imaging using high resolution range profiles

IET International Radar Conference 2013, 2013
Inverse Synthetic Aperture Radar (ISAR) is used for two-dimensional imaging of general objects, such as aircrafts and ships. Three-dimensional (3-D) ISAR imaging is meaningful for automatic target recognition by presenting more detailed description on the characteristics of targets. This paper proposes a 3-D radar imaging algorithm based on the thought
null Huipeng Zhao, null Yingjie Zhang, null Meiguo Gao, null Xiongjun Fu   +3 more
openaire   +1 more source

Maritime ATR using Classifier Combination and High Resolution Range Profiles

IEEE Transactions on Aerospace and Electronic Systems, 2011
A maritime automatic target recognition system is developed that performs ship classification using one-dimensional high resolution range profiles. Five physically based features are defined and are extracted from both VV and HH polarizations resulting in a 10-dimensional feature vector.
Christopher M. Pilcher, Alireza Khotanzad   +1 more
openaire   +1 more source

Radar High-Resolution Range Profile Target Recognition Method Based on Structure-Aware Network

IEEE Sensors Journal
High-resolution range profile (HRRP) recognition plays a crucial role in radar automatic target recognition (RATR). It contains a lot of structural features of the target. Thus, it is important to capture and distinguish the features of HRRP.
Shaokui Gao, Bowen Bie, Huake Wang, Mengdao Xing, Y. Quan   +4 more
semanticscholar   +1 more source

High resolution range profile statistical property analysis of radar target

6th International Conference on Signal Processing, 2002., 2003
When using high resolution range profile (HRRP) to radar target identification, we must know its statistical property including the stability and separability. This paper uses six kinds of aircraft scaling model data to analyze the statistical property of HRRP in detail.
null Jin Yan, null Xiaobin Feng, null Peikang Huang   +2 more
openaire   +1 more source

High resolution range profile with promoted sparsity and refined grid

IET International Radar Conference 2013, 2013
A high resolution range profile (HRRP) method via compressed sensing (CS) with re-weighted 11 minimization is proposed. Since the weighted CS model has a better representation of the true sparse description than that of the general 11 norm based CS model, the proposed compressive HRRP exhibits a remarkable suppression of the noise influence when ...
Z.C. Liu, G.M. Shi, X.L. Wang, G.H. Zhao
openaire   +1 more source

High-resolution Range Profiles Recognition Based on SAR/ISAR Images

2019 IEEE 3rd Advanced Information Management, Communicates, Electronic and Automation Control Conference (IMCEC), 2019
High-resolution radar range profile (HRRP) recognition has attracted a great attention for its real-time ability in imaging and processing. However, HRRP is very sensitive to aspect angle. Traditional methods, using range profile itself to create template set, require a large amount of targets’ range profiles in as many as aspect angles.
Hongming Wu, Guanqing Li, Jiangxiong Zhou   +2 more
openaire   +1 more source