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Passive and Active Millimeter-Wave Imaging XXII最新文献

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Front Matter: Volume 10994 封面:第10994卷
Passive and Active Millimeter-Wave Imaging XXII Pub Date : 2019-07-18 DOI: 10.1117/12.2536368
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引用次数: 0
Autofocus algorithms for millimeter-wave 3-D FLoSAR 毫米波三维FLoSAR的自动对焦算法
Passive and Active Millimeter-Wave Imaging XXII Pub Date : 2019-06-04 DOI: 10.1117/12.2520244
K. Mishra, L. Nguyen
{"title":"Autofocus algorithms for millimeter-wave 3-D FLoSAR","authors":"K. Mishra, L. Nguyen","doi":"10.1117/12.2520244","DOIUrl":"https://doi.org/10.1117/12.2520244","url":null,"abstract":"Three-dimensional (3-D) millimeter-wave (mm-Wave) Forward-Looking Synthetic Aperture Radar (FLoSAR) is an emerging technology that images targets in the forward direction of the flight path and holds the promise of high-resolution imaging by exploiting the unlicensed, wide bandwidth available at mm-Wave. This may be beneficial for applications such as self-landing, navigation, and collision-avoidance in a deteriorated vision environment. High angular resolution is difficult to achieve in FLoSAR because terrain points located symmetrically along the flight path have the same range and Doppler history. Additionally, the challenge at mm-Wave FLoSAR is to provide motion compensation because, at mmWave, GPS accuracy is insufficient to obtain platform position at subwavelength level, thereby leading to loss of resolution in reconstructed images. In this work, we investigate the phase gradient autofocus method for 3-D mm-Wave FLoSAR.","PeriodicalId":349024,"journal":{"name":"Passive and Active Millimeter-Wave Imaging XXII","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114591963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Bistatic terahertz scattering from random rough surfaces 随机粗糙表面的双稳态太赫兹散射
Passive and Active Millimeter-Wave Imaging XXII Pub Date : 2019-05-13 DOI: 10.1117/12.2518754
E. Grossman, N. Popovic, R. Chamberlin, J. Gordon, D. Novotny
{"title":"Bistatic terahertz scattering from random rough surfaces","authors":"E. Grossman, N. Popovic, R. Chamberlin, J. Gordon, D. Novotny","doi":"10.1117/12.2518754","DOIUrl":"https://doi.org/10.1117/12.2518754","url":null,"abstract":"","PeriodicalId":349024,"journal":{"name":"Passive and Active Millimeter-Wave Imaging XXII","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115756735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
SAR millimeter wave imaging systems SAR毫米波成像系统
Passive and Active Millimeter-Wave Imaging XXII Pub Date : 2019-05-13 DOI: 10.1117/12.2518730
Nafiseh Mohammadian, Orges Furxhi, R. Short, R. Driggers
{"title":"SAR millimeter wave imaging systems","authors":"Nafiseh Mohammadian, Orges Furxhi, R. Short, R. Driggers","doi":"10.1117/12.2518730","DOIUrl":"https://doi.org/10.1117/12.2518730","url":null,"abstract":"Millimeter wave imaging systems are a promising candidate for many applications, such as indoor security, non-destructive evaluation, and automotive driver assistance. In this paper, we use an automotive radar sensor for imaging applications. We implement mono-static single-input-single-output (SISO) configuration to perform synthetic aperture radar (SAR) measurements. The reconstructed image of a spiral target by using this real imagery SAR system is compared with computational simulation results. We also present SAR measurements on several targets including: a mannequin with a gun for concealed weapon detection; pipes behind a wall for seeing through wall; and range discrimination of multiple objects. Eventually, we propose a volumetric method for data collection for automotive applications.","PeriodicalId":349024,"journal":{"name":"Passive and Active Millimeter-Wave Imaging XXII","volume":"169 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114840183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Compressed sensing millimeter-wave compact radar range data acquisition and imaging 压缩感知毫米波紧凑型雷达距离数据采集与成像
Passive and Active Millimeter-Wave Imaging XXII Pub Date : 2019-05-13 DOI: 10.1117/12.2518937
G. Demartinis, B. Soper, J. Cook, T. Goyette, A. Gatesman
{"title":"Compressed sensing millimeter-wave compact radar range data acquisition and imaging","authors":"G. Demartinis, B. Soper, J. Cook, T. Goyette, A. Gatesman","doi":"10.1117/12.2518937","DOIUrl":"https://doi.org/10.1117/12.2518937","url":null,"abstract":"","PeriodicalId":349024,"journal":{"name":"Passive and Active Millimeter-Wave Imaging XXII","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131736557","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Through-wall k-band and v-band synthetic aperture radar imaging of building structures and utility infrastructure 建筑结构和公用设施的k波段和v波段合成孔径雷达穿壁成像
Passive and Active Millimeter-Wave Imaging XXII Pub Date : 2019-05-13 DOI: 10.1117/12.2518806
C. Watts, Andreas Pedross-Engel, M. Reynolds
{"title":"Through-wall k-band and v-band synthetic aperture radar imaging of building structures and utility infrastructure","authors":"C. Watts, Andreas Pedross-Engel, M. Reynolds","doi":"10.1117/12.2518806","DOIUrl":"https://doi.org/10.1117/12.2518806","url":null,"abstract":"We demonstrate active millimeter wave (mmWave) 3D synthetic aperture radar (SAR) imaging through common building and construction materials. Human-safe mmWaves penetrate many non-metallic construction materials to a surprising degree, allowing for non-destructive structural and utility integrity analysis. We demonstrate that mmWave imaging can be used to locate pipes, electrical wiring, wood and metal studs, rebar, and other structural elements and utility infrastructure embedded in building walls. Millimeter wave imaging can also be used to find contraband items hidden inside walls. In addition, liquid water strongly reflects mmWave energy, allowing the localization of potential leaks. We present K-Band (15 - 26:5 GHz) and V-Band (50 - 65 GHz) 3D SAR images of brick, drywall, tile, wood, and concrete wall test structures. Imaging was performed using a 2D raster scan of a bistatic horn antenna pair, yielding a 3D SAR image with a voxel resolution of approximately 1.5 cm (K-band) and 5 mm (V-band).","PeriodicalId":349024,"journal":{"name":"Passive and Active Millimeter-Wave Imaging XXII","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126888121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
3D radar imaging of mm-wave compact range data using compressed sensing 利用压缩传感技术对毫米波紧凑距离数据进行三维雷达成像
Passive and Active Millimeter-Wave Imaging XXII Pub Date : 2019-05-13 DOI: 10.1117/12.2521127
T. Goyette, J. Dickinson, G. Demartinis, A. Gatesman
{"title":"3D radar imaging of mm-wave compact range data using compressed sensing","authors":"T. Goyette, J. Dickinson, G. Demartinis, A. Gatesman","doi":"10.1117/12.2521127","DOIUrl":"https://doi.org/10.1117/12.2521127","url":null,"abstract":"Three-dimensional radar imaging is becoming increasingly important in modern warfare systems, leading to an increased need for deeper understanding of the 3D scattering behavior. Fully polarimetric, three-dimensional radar signature data have been collected using 1/16th scale models of tactical targets in several indoor compact radar ranges, corresponding to radar data at X-band. The high-range-resolution data has been collected through a 2D aperture in azimuth and elevation. This data has been processed into 3D coordinates using a standard 3D Fourier transform. The radar signatures have also been rendered into 3D coordinates using Interferometric ISAR techniques. The results of applying compressed sensing techniques to the analysis will be presented. Mathematical 3D correlation analysis has been used to compare the results of each method of 3D reconstruction.","PeriodicalId":349024,"journal":{"name":"Passive and Active Millimeter-Wave Imaging XXII","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130060299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Exploring material characteristics by polarimetric MMW radiometry 利用极化毫米波辐射测量法探索材料特性
Passive and Active Millimeter-Wave Imaging XXII Pub Date : 2019-05-13 DOI: 10.1117/12.2520037
M. Peichl, S. Dill
{"title":"Exploring material characteristics by polarimetric MMW radiometry","authors":"M. Peichl, S. Dill","doi":"10.1117/12.2520037","DOIUrl":"https://doi.org/10.1117/12.2520037","url":null,"abstract":"The characterization of dielectric materials is of great importance for many applications. Remote sensing from stand-off position is often desirable, and the use of microwaves, millimeter-waves or THz waves offers useful interaction with matter, depending on its chemical and physical decomposition and of course frequency and polarization. In former investigations a linearly polarized Ka-band radiometer and an electronically steerable polarization rotator were used to extract permittivity from different linear polarization states. Now the radiometer is realized by a W-band fully-polarimetric receiver. In this paper the theoretical background of the new approach is briefly outlined and compared to first measurement results.","PeriodicalId":349024,"journal":{"name":"Passive and Active Millimeter-Wave Imaging XXII","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114839866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Radar backscattering measurements of a simplified rough ocean surface 简化粗糙海面的雷达后向散射测量
Passive and Active Millimeter-Wave Imaging XXII Pub Date : 2019-05-13 DOI: 10.1117/12.2518461
A. Gilmore, B. Soper, T. Goyette, A. Gatesman
{"title":"Radar backscattering measurements of a simplified rough ocean surface","authors":"A. Gilmore, B. Soper, T. Goyette, A. Gatesman","doi":"10.1117/12.2518461","DOIUrl":"https://doi.org/10.1117/12.2518461","url":null,"abstract":"","PeriodicalId":349024,"journal":{"name":"Passive and Active Millimeter-Wave Imaging XXII","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134309788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Suitability of explosive simulants for millimeter-wave imaging detection systems 炸药模拟物在毫米波成像探测系统中的适用性
Passive and Active Millimeter-Wave Imaging XXII Pub Date : 2019-05-13 DOI: 10.1117/12.2521723
J. Weatherall, D. Karns, J. Barber, Barry T. Smith, P. Smith
{"title":"Suitability of explosive simulants for millimeter-wave imaging detection systems","authors":"J. Weatherall, D. Karns, J. Barber, Barry T. Smith, P. Smith","doi":"10.1117/12.2521723","DOIUrl":"https://doi.org/10.1117/12.2521723","url":null,"abstract":"","PeriodicalId":349024,"journal":{"name":"Passive and Active Millimeter-Wave Imaging XXII","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126917960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
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