Results 191 to 200 of about 16,323 (253)

Enhancing Heart Rate Detection in Vehicular Settings Using FMCW Radar and SCR-Guided Signal Processing. [PDF]

Sensors (Basel)
Kanakapura Sriranga A, Lu Q, Birrell S.
europepmc   +1 more source

Microvascular Imaging of Hepatic Hemangiomas. [PDF]

Diagnostics (Basel)
Baş H, Filiz S.
europepmc   +1 more source

Integrating short-time linear canonical transform and joint space-time-frequency analysis for advanced representation of subsurface information in ground penetrating radar. [PDF]

Sci Rep
Liu C, Han P, Kang J.
europepmc   +1 more source

Quantification of the relative contribution of phase aberration and reverberation in transcranial ultrasound imaging: an experimentally calibrated fullwave study in 2D and 3D. [PDF]

Phys Med Biol
Soulioti DE, Jones RM, Pinton GF.
europepmc   +1 more source

Towards Heart Rate Estimation in Complex Multi-Target Scenarios: A High-Precision FMCW Radar Scheme Integrating HDBS and VLW. [PDF]

Sensors (Basel)
Dong X, Liu Y, Wang J, Wu S, Wang C, Tang S.   +5 more
europepmc   +1 more source

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Adaptive radar clutter suppression

MTS/IEEE Oceans 2001. An Ocean Odyssey. Conference Proceedings (IEEE Cat. No.01CH37295), 2002
The clutter return presents a severe problem in target detection for radar systems. Conventional radar systems assume the clutter is stationary, with energy concentrated in the low frequency domain. To minimize the effect of clutter, radar systems use a fixed high pass filter (HPF) to eliminate the clutter.
null Yi Xu, null Wei Feng Feng, null Jun Yan Hao, H.K. Hwang   +3 more
openaire   +1 more source

Clutter Suppression for Wideband Radar STAP

IEEE Transactions on Geoscience and Remote Sensing, 2022
Traditional space-time (ST) adaptive processing (STAP) theory is based on the assumption of narrowband or ``zero-bandwidth,'' where the decorrelation within the ST snapshot is ignored. However, with radar bandwidths increasing, this assumption becomes invalid due to the deteriorated decorrelation of the received signals within the ST snapshot.
Di Wu, Daiyin Zhu, Mingwei Shen, Ning Li, Huiyu Zhou   +4 more
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Bistatic SAR Clutter-Ridge Matched STAP Method for Nonstationary Clutter Suppression

IEEE Transactions on Geoscience and Remote Sensing, 2022
Clutter suppression is a challenging task in synthetic aperture radar-ground moving target indication (SAR-GMTI). In general, sufficient secondary samples are not easily acquired due to the non-stationary and non-homogeneous characteristics of bistatic SAR (BiSAR) clutter, resulting in worse clutter suppression results.
Zhongyu Li, Hongda Ye, Zhutian Liu, Zhichao Sun, Hongyang An, Junjie Wu, Jianyu Yang   +6 more
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Clutter property analysis and clutter suppression for Hypersonic airborne radar

2013 International Conference on Radar, 2013
Clutter property of a forward-looking array radar on Hypersonic Vehicle is analyzed and a method for clutter suppression using multi-stage space-time adaptive processing (STAP) is proposed. This method employs the elevation degree of freedom of the planar array to extract various range ambiguous clutter. Then range-unambiguous non-stationary clutter is
Zheng Liu, Yi Chen, Rong Xie, Lei Zhang
openaire   +1 more source