Results 31 to 40 of about 6,421,419 (387)
Optical vector analysis with attometer resolution, 90-dB dynamic range and THz bandwidth
Nature Communications, 2019 Typical methods for optical vector analysis have tradeoffs among resolution, dynamic range, and bandwidth. The authors use an asymmetric optical probe signal generator and receiver to perform attometer resolution measurement over a THz of bandwidth while
Ting Qing +4 more
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Leida xuebao, 2014 A novel optimal power allocation algorithm for radar network systems is proposed for Low Probability of Intercept (LPI) technology in modern electronic warfare. The algorithm is based on the LPI optimization.
Shi Chen-guang +3 more
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Leida xuebao, 2023 The joint optimization problem of transmit power and dwell time of radar for asynchronous multi-target tracking in heterogeneous multiple radar networks with imperfect detection is investigated.
Chenguang SHI +3 more
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Photonics-Based High-Resolution 3D Inverse Synthetic Aperture Radar Imaging
IEEE Access, 2019 A photonics-based radar for high-resolution 3D microwave imaging is proposed and demonstrated, in which high range resolution is achieved by employing a wideband linearly frequency modulated signal, and high cross-range resolution in both azimuth and ...
Xingwei Ye +4 more
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Ultralow Phase Noise Optoelectronic Oscillator and Its Application to a Frequency Synthesizer
Leida xuebao, 2019 We propose a novel injection-locked OptoElectronic Oscillator (OEO) with ultralow phase noise based on two cascaded phase modulators, which is further applied to construct a frequency synthesizer.
LIU Shifeng +6 more
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Remote Sensing, 2023 This paper puts forward a joint optimization algorithm of task assignment and flight path planning for a heterogeneous unmanned aerial vehicle (UAV) cluster in a multi-mission scenario (MMS). The basis of the proposed algorithm is to establish constraint
Xili Dong +3 more
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, 2006 Publication in the conference proceedings of EUSIPCO, Florence, Italy ...
Milos Dakovic +3 more
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Normalization and interpretation of radar images [PDF]
IEEE Transactions on Antennas and Propagation, 1998 Calibrated radar images are often quantified as radar cross sections. This interpretation, which is not strictly correct, can lead to misunderstanding of test target scattering properties. To avoid confusion, we recommend that a term such as "scattering brightness" defined in the present paper be adopted as a standard label for image-domain data.
Skinner, J. P. +4 more
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Leida xuebao, 2019 A distributed multi-target localization system based on optical Wavelength Division Multiplexing (WDM) network is demonstrated. The wideband orthogonal waveforms are generated by introducing the chaotic OptoElectronic Oscillator (OEO).
ZHU Dan +4 more
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CNN-Based Target Detection and Classification When Sparse SAR Image Dataset is Available
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021 Synthetic aperture radar (SAR) is an earth observation technology that can obtain high-resolution image in all-weather and all-time conditions, and hence, has been widely used in civil and military applications.
Hui Bi +4 more
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