synthetic-aperture imaging methods
Virtual source aperture imaging for non-destructive testing
... coherent pulse-echo data over the scanned area with a synthetic array implemented during post-processing. In its simplest implementation this would involve a single element transmitting, then receiving, an ...
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Investigation of synthetic aperture methods in ultrasound surface imaging using elementary surface types
... The probe 82 was manipulated using a robotic precision positioning system, which provided accurate 83 positional data, allowing for ultrasound derived 3D surface point cloud reconstructi[r] ...
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Enhanced Three-Dimensional Imaging for Multi-Circular Synthetic Aperture Radar
... know, the spectrum extrapolation is a simple and effective method to increase the system bandwidth in CSAR mode [11]; the interferometric phase masking method in all-aperture is introduced to obtain the height of ...
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Noise Removal Technique in Near-Field Millimeter-Wave Cylindrical Scanning Imaging System
... near-field imaging is in milliwatt level, which is 1/1000 of the transmission power of an ordinary mobile phone, relieving the worry about adverse effect on the human ...scanning imaging techniques a good ...
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Synthetic aperture sonar imaging via one-way wave equations
... for Synthetic Aperture Sonar (SAS) imaging ...integration methods of the one-way wave equation based on the operator splitting method are used to develop a fully discretized ...real ...
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Comparison of synthetic aperture architectures for miniaturised ultrasound imaging front-ends
... with synthetic aperture beamforming to reduce the data bandwidth and system complex- ...load. Synthetic aperture beamforming (SAB) is carried out using a single-channel, pipelined protocol ...
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Ultrasonic Imaging of Concrete for Rebar Detection.
... testing methods to determine the properties of ...ultrasonic imaging techniques has been achieved in the last couple of ...concrete imaging techniques are traditional B-scan imaging, ...
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Accurate 3D reconstruction of bony surfaces using ultrasonic synthetic aperture techniques for robotic knee arthroplasty
... of synthetic aperture techniques for simplification for small scale and hand-held systems (O’Donnell and Thomas, 1992; Karaman et ...medical imaging has, however, been relatively limited due to both ...
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A Review on Applications of Imaging Synthetic Aperture Radar with a Special Focus on Cryospheric Studies
... unsupervised methods, their accuracy and suitability mainly depend on applications and the availability of ground ...of imaging conditions (po- larization, incidence angle, frequency, ...SAR imaging ...
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Research on Moving Target Imaging Method of Ship Based on Velocity Synthetic Aperture Radar
... fine imaging of ships moving in the sea plays an increasingly important role in military defense and civilian ...date, imaging of surface ships is widely achieved by the synthetic aperture ...
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Techniques for Inverse Synthetic Aperture Radar Imaging and monitoring of Deformation with Differential Interferometric Synthetic Aperture Radar
... As it has been discussed in the Chapter 2, autofocus allows generating high-resolution ISAR images by automatically correcting the defocusing caused by the radar-target relative motion. If the phase adjustment algorithm ...
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Aperture undersampling using compressive sensing for synthetic aperture stripmap imaging
... the imaging platform between two consecutive transmission times, is dictated by the spa- tial sampling theorem ...the imaging system and hence determines the mis- sion ...processing methods are of ...
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Investigation of synthetic aperture methods in ultrasound surface imaging using elementary surface types
... (2016) Investigation of synthetic aperture methods in ultrasound surface imaging using elementary surface types.. Unless otherwise explicitly stated on the manuscript, Copyright © and [r] ...
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Comparisons of Speckle Noise Filtering Methods on Interferometric Synthetic Aperture Radar Images
... The application of InSAR encounters problems due to noise appearing in the interferogram phase measurement. There are two types of noises in the interferometric SAR image including the inherent system noise and speckle ...
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Application of Complete Complementary Sequence in Orthogonal MIMO SAR System
... is satisfied, the transmitted signals are orthogonal. There are no complete orthogonal signal in the single code field, while the CC-S meet the condition of orthogonality, and need the multiple channels in the practical ...
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Advanced Methods For Building Information Extraction From Very High Resolution SAR Data To Support Emergency Response
... automatic methods to extract information on the level of individual buildings from single detected spaceborne VHR SAR ...radar imaging simulator for urban structures based on an adapted ray tracing ...
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Simulation, detection, and classification of vessels in maritime SAR images
... the synthetic aperture radar (SAR) imaging technique stands out due to its monitoring advantages: high-resolution images that allow the identification of man-made objects, image acquisitions at a ...
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Comparison and analysis of point target reference spectrum of FMCW synthetic aperture imaging sensor
... accurately addressing the variation of the instantan- eous slant range during the pulse duration time [2]. This variation introduces a range-invariant range walk and a range–azimuth coupling term [2,7] (range–azi- muth ...
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Monostatic Airborne Synthetic Aperture Radar Using Commercial WiMAX Transceivers In the License-exempt Spectrum
... On the other hand, the rapid advancement of microelectronic technology enables the emer- gence and proliferation of the miniaturized, lightweight and integrated radio-frequency (RF) or microwave circuits, which o ff ered ...
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The imaging of waves by satellite borne synthetic aperture radar: the effects of sea surface motion
... When considering Che backscattering from the sea surface the targets are the primary scene elements discussed in section 3, and superimposed on the wave particle velocities will be the p[r] ...
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