Mostrando 181 - 200 Resultados de 3,885 Para Buscar '"Radar"', tiempo de consulta: 0.25s Limitar resultados
  1. 181
    por Yao, Yu, Zhao, Junhui, Wu, Lenan
    Publicado 2018
    “…The system architecture for an adaptive multiple input multiple output (MIMO) radar-communication transceiver is proposed. A waveform design approach for communication data embedding into MIMO radar pulse using M-ary position phase shift keying (MPPSK) waveforms is introduced. …”
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  2. 182
    por Hocking, W. K.
    Publicado 2018
    “…With the recent increase in numbers of small and versatile low-power meteor radars, the opportunity exists to benefit from simultaneous application of multiple systems spaced by only a few hundred km and less. …”
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  3. 183
    “…In recent years, sparsity-driven regularization and compressed sensing (CS)-based radar imaging methods have attracted significant attention. …”
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  4. 184
  5. 185
    “…The goal of radar resource scheduling in this paper is to assign the maximum number of targets by handing over targets between networked radar systems to overcome physical limitations such as the detection range and simultaneous tracking capability of each radar. …”
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  6. 186
    “…In two dimensional cross-range multiple-input multiple-output radar imaging for aerial targets, due to the non-cooperative movement of the targets, the estimated imaging plane parameters, namely the center and the posture angles of the imaging plane, may have deviations from true values, which defocus the final image. …”
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  7. 187
    “…Transient Radar Method (TRM) was recently proposed as a novel contact-free method for the characterization of multilayer dielectric structures including the geometric details. …”
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  8. 188
    “…The proposed VAA is introduced to simultaneously support the medium-range radar (MRR) and the long-range radar (LRR) with beam width ±7° for LRR and ±37° for MRR. …”
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  9. 189
    “…This paper presents synthetic aperture radar (SAR) images obtained from an active microwave and millimetre wave scanner operating over the band 15–40 GHz. …”
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  10. 190
    “…Earth-based radar astronomical observations provide information on surface characteristics, orbits, and rotations for a wide variety of solar system objects. …”
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  11. 191
    por Zhang, Duo, Tang, Rui, Wen, Hu, Fan, Shixing
    Publicado 2020
    “…These equations, along with EM equations for EM speed and attenuation, were used for modeling and studying radar-wave propagation in a coal seam and radar-wave reflection from the body of miners trapped in collapsed tunnels. …”
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  12. 192
    por Yang, Zheng, Cheng, Yongqiang, Wu, Hao
    Publicado 2020
    “…In radar target detection, constant false alarm rate (CFAR), which stands for the adaptive threshold adjustment with variation of clutter to maintain the constant probability of false alarm during the detection, plays an important role. …”
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  13. 193
    “…Pulse-echo sensing is the driving principle behind biological echolocation as well as biologically-inspired sonar and radar sensors. In biological echolocation, a single emitter sends a self-generated pulse into the environment which reflects off objects. …”
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  14. 194
    por Ghanem, Sameh
    Publicado 2021
    “…Detection of targets with small Doppler frequencies of linear-frequency modulated continuous wave radars is the main task of this article. The moving target indicator (MTI) is used to reject the fixed targets and high-speed targets through the radar research area. …”
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  15. 195
    “…In this paper, we introduce mapping results in an indoor environment based on our own developed dual-mode radar sensor. Our radar system uses a frequency-modulated continuous wave (FMCW) with a center frequency of 62 GHz and a multiple-input multiple-output antenna system. …”
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  16. 196
    “…Passive multistatic radars have gained a lot of interest in recent years as they offer many benefits contrary to conventional radars. …”
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  17. 197
    “…Performance of continuous emission noise radar systems are affected by the sidelobes of the output of the matched filter, with significant effects on detection and dynamic range. …”
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  18. 198
    “…This paper presents a comprehensive study on monopulse secondary surveillance radar (MSSR) coverage. The design and radiation pattern of an improved MSSR antenna is presented herein, highlighting the horizontal and vertical factors of the SUM beam. …”
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