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检索条件"任意字段=Conference on Radar Sensor Technology X"

共 1513 条记录，以下是1-10 订阅

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Sparse Array Millimeter-Wave Imaging Using a Single-Board MIMO radar sensor 28

Sparse Array Millimeter-Wave Imaging Using a Single-Board MI...

引用

conference on radar sensor technology xxVIII

作者： Nusrat, Tasin Sharma, Shivani Vakalis, Stavros Univ S Florida Tampa FL 33620 USA

ISBN: (纸本)9781510674158;9781510674141

Millimeter-wave imaging is attracting increasing interest due to the non-ionizing nature of millimeter-wave radiation and the benefits that it entails for various emerging applications. This work uses a low-cost radar architecture that scans a commercial V Band multiple-input multiple-output (MIMO) radar sensor in several locations to synthesize a larger radar aperture. This paper presents the image reconstruction of two targets placed in different ranges with limited scanning and reduced aperture size to overcome the high overall system cost and weight associated with traditional multi-element apertures. We show simulated and experimental measurements by utilizing a 20Tx/20Rx single-board radar from 62 to 67 GHz.

关键词： Millimeter-wave imaging MIMO radar computational imaging Green's function

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Micro-Doppler radar characterization of vehicle vibrations 28

Micro-Doppler radar characterization of vehicle vibrations

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conference on radar sensor technology xxVIII

作者： Simone, Benjamin D. Narayanan, Ram M. Watson, Daniel K. Reichard, Karl M. Gallagher, Kyle A. Penn State Univ Dept Elect Engn University Pk PA 16802 USA Penn State Univ Appl Res Lab University Pk PA 16802 USA DEVCOM Army Res Lab Adelphi MD 20783 USA

ISBN: (纸本)9781510674158;9781510674141

Micro-Doppler radar is a cutting-edge technology that has revolutionized the field of radar sensing to enable the detection and characterization of complex targets by leveraging their micro-motion dynamics. This paper discusses the design and construction of a 10-GHz continuous wave (CW) micro-Doppler radar, an explanation of how the system operates and extracts data, as well as a discussion of the device's possible applications for characterizing external vibrations of vehicles under different scenarios. The objective is to highlight the potential of micro-Doppler radar for remotely recognizing vehicle transmission shifts and occupancy.

关键词： radar Micro-Doppler Vibrations Vehicle Spectrograms Raspberry Pi

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Signal Processing Applications of the sensor Open Systems Architecture™ for Missile Seekers 28

Signal Processing Applications of the Sensor Open Systems Ar...

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conference on radar sensor technology xxVIII

作者： Cain, Jonathan Al Stuessy Tokar, Joyce Simi, Stephen Raytheon POB 11337Bldg 805 Tucson AZ 85743 USA

ISBN: (纸本)9781510674158;9781510674141

This paper outlines opportunities and challenges for building missile seekers with the sensor Open Systems Architecture (TM) (SOSA) Technical Standard, Edition 2.0, Version 2 (Snapshot 2). In Section 1, two missile seeker instance architectures using the SOSA Technical Architecture are described, one for Electro- Optical/Infrared (EO/IR) and one for Radio Detection and Ranging (radar). Opportunities within the logical signal processing chain, including module functions, inter-module interactions, and messaging sets are discussed in Sections 2, 3, 4, and 5. Section 6 addresses the potential challenges in the physical layer due Size, Weight, and Power (SWaP) constraints on missile systems. In Section 7, some opportunities to support swappable seekers within the Modular Open Systems Approach (MOSA) ecosystem are outlined. The findings of this effort are summarized in the conclusion section.

关键词： sensor Open Systems ArchitectureT (SOSA) missile seekers EO/IR radar signal processing SWaP

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Performance of PVA-SnO2 and PVA-ZnO as Sensing Materials for Thick Film Resistive Type Humidity sensors 13

Performance of PVA-SnO2 and PVA-ZnO as Sensing Materials for...

引用

2024 International conference on radar Antenna Microwave Electronics and Telecommunications

作者： Hermida, Dewa Putu Berlian, Rizki Deva Agustina, Deviana Andayani, Desak Gede Sri Shobih Idayanti, Novrita Irzaman Idrus, Sevia M. Azmi, Asrul Izam Wiranto, Goib Natl Res & Innovat Agcy Res Ctr Elect Bandung Indonesia IPB Univ Dept Phys Bogor Indonesia Natl Res & Innovat Agcy Res Ctr Environm & Clean Technol Serpong Tangerang Indonesia Univ Technol Malaysia Fac Elect Engn Johor Baharu Malaysia

ISBN: (纸本)9798350389937;9798350389920

This study compares the performance between PVA-SnO2 with PVA-ZnO as a sensitive layer material for resistive humidity sensor. The sensor was fabricated using thick film technology with screen printing method, while the sensitive layer was deposited using spin coating. Electrical resistance testing was carried out in a chamber with a humidity level of 60-90% RH. Metal oxide as a sensitive layer material varied in mass concentration by 5% and 10% against PVA. The test results show that the F6 PVA-ZnO 5% humidity sensor has a better response with lower resistance of 1.38 x 10(7) than PVA-SnO2 5% of 1.71 x 10(7) at a relative humidity 60% RH. However, the PVA-SnO2 10% humidity sensor showed better linearity than PVA-ZnO 10% over the humidity range tested.

关键词： Resistive type humidity sensor thick film technology PVA SnO2 ZnO

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A quantitative study of the benefits of the Third-order over the Second-order Harmonic radar 28

A quantitative study of the benefits of the Third-order over...

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conference on radar sensor technology xxVIII

作者： Lima, Rita J. Abad Li, Changzhi Texas Tech Univ TTU Dept Elect & Comp Engn ECE Lubbock TX 79409 USA

ISBN: (纸本)9781510674158;9781510674141

Nonlinear radar technology has been employed in various applications for a few decades, primarily focusing on second-order harmonic radar systems. This study delves into the potential benefits and drawbacks of utilizing higher-order harmonic radar systems. We present a comparative analysis between second- and third-order harmonic systems using Cadence AWR Visual System Simulator (VSS) followed by experimental validation. In the experiments, target emulation is achieved through nonlinear tags. In contrast, cluttered environments near the targets are simulated using corner reflectors, with the tag and the corner reflector moving at different frequencies facilitated by Zaber linear actuators. Our findings reveal both the advantages and limitations associated with higher-order systems, offering valuable insights into an underexplored area of research within the domain of harmonic radar technology. This contribution addresses the existing gap in the literature pertaining to higher-order harmonic radars by providing comparative analyses using both measurement and simulation data.

关键词： harmonic radars nonlinear tag clutter clutter rejection nonlinear systems RFID tag CW radars

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Geolocation using synthetic aperture radar multilateration 28

Geolocation using synthetic aperture radar multilateration

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conference on radar sensor technology xxVIII

作者： Doerry, A. W. Bickel, D. L. Sandia Natl Labs POB 5800 Albuquerque NM 87185 USA

ISBN: (纸本)9781510674158;9781510674141

A single Synthetic Aperture radar (SAR) image is a 2-Dimensional projection of a 3-Dimensional scene, with very limited ability to estimate surface topography. However, with multiple SAR images collected from suitably different geometries, they may be compared with multilateration calculations to estimate characteristics of the missing dimension. The ability to employ effective multilateration algorithms is highly dependent on the geometry of the data collections, and can be cast as a least-squares exercise. A measure of Dilution of Precision (DOP) can be used to compare the relative merits of various collection geometries.

关键词： SAR geolocation stereo multilateration

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Quantum Interferometric radar for Biomedical Applications 28

Quantum Interferometric Radar for Biomedical Applications

引用

conference on radar sensor technology xxVIII

作者： Luong, David Lam, Ian W. Balaji, Bhashyam Rajan, Sreeraman Carleton Univ Dept Syst & Comp Engn 1125 Colonel By Dr Ottawa ON Canada

ISBN: (纸本)9781510674158;9781510674141

Quantum radars are garnering increasing attention, but one class of quantum radars has not received very much attention: quantum interferometric radars. Such radars use a type of entangled quantum signal called N00N states to enhance phase sensitivity. In this paper, we propose that quantum interferometric radars could be used for biomedical applications such as vital signs monitoring and organ imaging. Due to such radars being able to operate well at low transmit powers and the radiation itself being non-ionizing, they can mitigate any safety risk to patients.

关键词： Biomedical sensing quantum interferometry quantum sensing quantum radar

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Design of a Low-cost x-band FMCW radar Transceiver Front-end 16

Design of a Low-cost X-band FMCW radar Transceiver Front-end

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16th International conference on Microwave and Millimeter Wave technology (ICMMT)

作者： Chen, Hui Wang, Baoliang He, Zongrui Cheng, Yujian Univ Elect Sci & Technol China Sch Elect Sci & Engn Chengdu 611731 Peoples R China

ISBN: (纸本)9798350389968

The paper presents the design of a cost-effective miniaturized x-band frequency modulated continuous wave (FMCW) radar transceiver front-end for automotive collision avoidance radar applications. The front-end integrates the frequency source, transmitter, and receiver into a compact cavity measuring 12cmx12cmx3cm. Test results show that the transceiver front-end can achieve phase noise better than 85dBc/Hz@1KHz in 7.9GHz single-frequency mode, the bandwidth of the FMCW signal greater than 200MHz in sweeping mode, adjustable modulation period (>2ms), and the power flatness within +/- 2dBm, meeting the requirements of FMCW radar when measured the distance between the target.

关键词： Phase noise

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A Newly Developed Method for Georegistration of Synthetic Aperture radar Imagery 28

A Newly Developed Method for Georegistration of Synthetic Ap...

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conference on radar sensor technology xxVIII

作者： Shore, Aimee Tellez, Joshua West, R. Derek Koehler, Frederick W. Schwartzkopf, Wade Sandia Natl Labs POB 5800 Albuquerque NM 87185 USA Natl Geospatial Intelligence Agcy Springfield VA USA

ISBN: (纸本)9781510674158;9781510674141

Georegistration of synthetic aperture radar (SAR) images is an ongoing problem. We present a SAR-sensor independent method that enables assessment of image geolocation accuracy at nearly any terrestrial scene location. To achieve this, a collected image is co-registered against a global reference image set, such as the high-fidelity x-band RCS layer of the TanDEM-x High Resolution Elevation Data Exchange Program (TREx) data set, which has well-characterized horizontal and vertical errors. Measuring sensor geolocation accuracy against a high-fidelity broad-area reference set can mitigate the effect of location errors that, if left uncorrected, may have a deleterious impact on downstream applications. In particular, the proposed method could help automate the assessment and quality control of existing and emerging constellations of commercial satellite systems. Our co-registration approach first applies a pre-warp operation that exhausts known SICD (sensor Independent Complex Data) metadata from a collected image to get within the neighborhood of the true geolocation in the reference image. Then we attain a fine scale registration through local feature detection and extraction, via an established computer vision algorithm. Finally, we compute a similarity transformation on matching points between the test and reference images;the transformation includes translation values, which are used for assessing geolocation accuracy, as well as scale and rotation estimates that are used for a confidence measure.

关键词： Synthetic aperture radar SAR geolocation georegistration co-registration sensor location error

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Extending language-based cost functions with deep learning 28

Extending language-based cost functions with deep learning

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conference on radar sensor technology xxVIII

作者： Zaunegger, Jackson S. Singerman, Paul G. Narayanan, Ram M. Rangaswamy, Muralidhar Penn State Univ University Pk PA 16802 USA Air Force Res Lab Sensors Directorate Wright Patterson AFB OH 45433 USA

ISBN: (纸本)9781510674158;9781510674141

Cognitive radar systems are radar systems that can self-adjust themselves to respond to changes in the environment. Developing cognitive radar systems relies on their ability to detect these changes in operational conditions and use this knowledge to change the operating characteristics of the system, to optimally solve a selected task. Engineers must have an expert level knowledge of radar systems in order to solve these problems as they arise. The goals of the system can be easily stated to engineers in the form of natural language, but are very difficult for computers to analyze. Previous work has shown that Natural Language Processing (NLP) models can be developed to extract radar parameters, values, and units from text. Language Based Cost Functions (LBCFs) can then utilize this extracted information to develop constraints on specific radar parameters. In this work, we propose to combine these language models with LBCFs to define a objective function for optimization tasks using natural language.

关键词： Cognitive radar Natural Language Processing Multi-Parameter Optimization Language Based Cost Function

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