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Mostrando 241 - 260 Resultados de 3,885 Para Buscar '"Radar"', tiempo de consulta: 0.20s Limitar resultados
  1. 241
    Publicado 2014
    “…Noncontact detection characteristic of Doppler radar provides an unobtrusive means of respiration detection and monitoring. …”
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    Monitoring and Analysis of Respiratory Patterns Using Microwave Doppler Radar
  2. 242
    “…We present preliminary results from a method for estimating the optimal effective permittivity for reconstructing microwave-radar images. Using knowledge of how microwave-radar images are formed, we identify characteristics that are typical of good images, and define a fitness function to measure the relative image quality. …”
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    Estimating the Effective Permittivity for Reconstructing Accurate Microwave-Radar Images
  3. 243
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    Six-Port Based Interferometry for Precise Radar and Sensing Applications
  4. 244
    por Zhang, Ming, Liu, Lutao, Diao, Ming
    Publicado 2016
    “…In this paper, an automatic radar waveform recognition system in a high noise environment is proposed. …”
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    Online Artículo Texto
    LPI Radar Waveform Recognition Based on Time-Frequency Distribution
  5. 245
    “…In this paper, ultra-wideband (UWB) multiple-input and multiple-output (MIMO) radar is exploited to improve the detection performance of multiple stationary humans for its multiple sight angles and high-resolution two-dimensional imaging capacity. …”
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    Detection of Multiple Stationary Humans Using UWB MIMO Radar
  6. 246
    “…The monopulse angle measuring technique is widely adopted in radar systems due to its simplicity and speed in accurately acquiring a target’s angle. …”
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    Online Artículo Texto
    A Novel Monopulse Technique for Adaptive Phased Array Radar
  7. 247
    “…We developed a two-scale synthetic aperture radar interferometry (InSAR) approach. We describe spatial-temporal displacements (at millimeter-level accuracy), as measured by high-resolution TerraSAR/TanDEM-X satellite images, to provide a new solution to resolve the current controversy surrounding the potential structural collapse of monuments in Angkor. …”
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    Radar interferometry offers new insights into threats to the Angkor site
  8. 248
    “…We present orbital bistatic radar observations of a small-body, acquired during occultation by the Dawn spacecraft at asteroid Vesta. …”
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    Orbital bistatic radar observations of asteroid Vesta by the Dawn mission
  9. 249
    “…A quasi-optical multi-ray model for a short-range millimeter wave radar is presented. The model considers multi-path effects emerging while multiple rays are scattered from the target and reflected to the radar receiver. …”
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    Multi Ray Model for Near-Ground Millimeter Wave Radar
  10. 250
    “…Detection of outliers in radar signals is a considerable challenge in maritime surveillance applications. …”
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    Stacked Autoencoders for Outlier Detection in Over-the-Horizon Radar Signals
  11. 251
    por Li, Cong, Bao, Weimin, Xu, Luping, Zhang, Hua
    Publicado 2017
    “…Model training is a key technique for radar target recognition. Traditional model training algorithms in the framework of single task leaning ignore the relationships among multiple tasks, which degrades the recognition performance. …”
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    Clustered Multi-Task Learning for Automatic Radar Target Recognition
  12. 252
    “…Using novel biologging devices, which detect radar emissions and record the position of boats and seabirds, we measured the true extent of the overlap between seabirds and fishing vessels and generated estimates of the intensity of fishing and distribution of vessels in international waters. …”
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    Use of radar detectors to track attendance of albatrosses at fishing vessels
  13. 253
    por Yao, Yu, Zhao, Junhui, Wu, Lenan
    Publicado 2018
    “…A new scheme based on Kalman filtering to optimize the waveforms of an adaptive multi-antenna radar system for target impulse response (TIR) estimation is presented. …”
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    Waveform Optimization for Target Estimation by Cognitive Radar with Multiple Antennas
  14. 254
    “…In this article, a single layer co-polarization broadband radar absorber is presented. Under normal incidence, it achieves at least 90% of absorption from 5.6 GHz to 9.1 GHz for both Transverse Electric (TE) and Transverse Magnetic (TM) polarizations. …”
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    A Co-Polarization Broadband Radar Absorber for RCS Reduction
  15. 255
    “…A standalone, portable radar device allowing non-invasive benchmarking of sewer pumping station (SPS) pumps is presented. …”
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    Implementation of an IoT Based Radar Sensor Network for Wastewater Management
  16. 256
    “…This paper describes the ground-based X-band MIMO radar SPARX recently developed by IDS GeoRadar in order to overcome the limits of IDS GeoRadar’s well-established ground based interferometric SAR systems. …”
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    SPARX, a MIMO Array for Ground-Based Radar Interferometry
  17. 257
    “…Therefore, this study develops ARMT (automatic combined ground weather radar and CCTV (Closed Circuit Television System) images for real-time flood monitoring), which integrates real-time ground radar echo images and automatically estimates a rainfall hotspot according to the cloud intensity. …”
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    Integrate Weather Radar and Monitoring Devices for Urban Flooding Surveillance
  18. 258
    “…They included two electromagnetic scanners and one ground penetrating radar (GPR). The testing equipment was used to analyse how the rebar (cover) location affected the detection of their diameters and how their mutual spacing influenced the detected quantity of rebars. …”
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    Accuracy of Eddy-Current and Radar Methods Used in Reinforcement Detection
  19. 259
    “…In this paper, the method of applying cognitive radar technology to marine radar is studied, and the cognitive marine radar structure and transmitted signal model with three control parameters are constructed. …”
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    Research on Cognitive Marine Radar Based on LFM Waveform Control
  20. 260
    “…This paper presents a survey of recent developments using Doppler radar sensor in searching and locating an alive person under debris or behind a wall. …”
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    Review-Microwave Radar Sensing Systems for Search and Rescue Purposes
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