synthetic aperture imaging system
Terahertz inverse synthetic aperture radar imaging using self-mixing interferometry with a quantum cascade laser
... THz synthetic aperture imag- ing technique based on SM ...the system; it removes the need for an external detector and modulator, but retains the high sensitivity and dy- namic range inherent to ...
5
Comparison and analysis of point target reference spectrum of FMCW synthetic aperture imaging sensor
... SAIS system with both acoustic source and electromagnetic ...SAR system, the signal PTRS model is based on the stop- and-go approximation, which assumes that the in- stantaneous slant range remains constant ...
12
Synthetic aperture sonar imaging via one-way wave equations
... for Synthetic Aperture Sonar (SAS) imaging ...real aperture antenna travels along a rectilinear path in the along track direction and periodically transmits a pulse at an angle that is ...
11
Enhanced Three-Dimensional Imaging for Multi-Circular Synthetic Aperture Radar
... Multi-circular synthetic aperture radar (MCSAR) is an extension of circular synthetic aperture radar (CSAR) ...an imaging mode where radar illuminates the target over multi-circular ...
11
Comparison of synthetic aperture architectures for miniaturised ultrasound imaging front-ends
... ultrasound imaging systems providing real-time diagnostic ...endoscopic imaging [1, ...in system complexity and ...size, system complexity and ...
23
Application of Complete Complementary Sequence in Orthogonal MIMO SAR System
... in Synthetic Aperture Radar (SAR) imaging processing in range dimension, an approach of depressing sidelobe level based on CC-S in MIMO SAR system was ...SAR system using CC-S and the ...
16
3D Imaging Millimeter Wave Circular Synthetic Aperture Radar
... MMWCSAR tested with hand swinging is not accurate for high-resolution imaging. Additional signal processing procedure of compressed sensing (CS) can be applied in our MMWCSAR system. CS has been introduced ...
18
Research on Moving Target Imaging Method of Ship Based on Velocity Synthetic Aperture Radar
... To date, VSAR research has mainly focused on the accurate estimation of Doppler parameters of moving targets. By using an array of multiple antennas, VSAR generates multiple complex images, which contain the same static ...
11
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] ...
29
Monostatic Airborne Synthetic Aperture Radar Using Commercial WiMAX Transceivers In the License-exempt Spectrum
... SAR system in a cost-e ff ective way, while opens a potential niche market for the vendors from the communication ...ective system method of manipulating COTS OFDM-based wireless devices for SAR ...
131
A Review on Applications of Imaging Synthetic Aperture Radar with a Special Focus on Cryospheric Studies
... Synthetic aperture radar (SAR) was invented by Carl Wiley in 1951 ...virtual aperture that is much longer than the physical antenna length (hence the name “synthetic ...(SLR) system ...
13
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 ...
7
Aperture undersampling using compressive sensing for synthetic aperture stripmap imaging
... Synthetic aperture imaging is a high-resolution imaging technique employed in radar and sonar applications, which construct a large aperture by constantly transmitting pulses while ...
14
An Introduction to Synthetic Aperture Radar (SAR)
... SAR system was developed by NASA Jet Propulsion Laboratory (JPL) and loaded on CV-990 aircraft system ...new imaging radar (AIRSAR) was built at JPL and this system incorporates all the ...
34
An efficient and accurate GB-SAR imaging algorithm based on the fractional Fourier transform
... ROUND-based synthetic aperture radar (GB-SAR) is capable of continuous monitoring, providing high sen- sitivity concerning the terrain ...GB-SAR system produces a total of 35000 × 4 images in an ...
9
Plane wave imaging combined with eigenspace-based minimum variance beamforming using a ring array in ultrasound computed tomography
... In the real phantom experiment, the emission strategy is modified, as the elements of the ring array are not uniformly spaced. As mentioned in above, 256 elements are uniformly distributed over 170° of either semicircle ...
17
Synthetic Aperture Ultrasound Image Reconstruction
... ultrasound system, which complicates the reconstruction. Since the medical array is stationary, it is possible to repeat measurements rapidly, which is not the case for a SA Radar systems [12]. The position ...
6
Multiple-plane particle image velocimetry using a light-field camera
... light-field imaging was realized with bulky setups by multiple cameras, see synthetic-aperture particle image velocimetry (SAPIV) ...light-field imaging is ...
16
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] ...
43
3-D SAR Imaging Based RCS Measurement Technique with Fixed Transmitter
... for synthetic aperture technique, the spatial variation of scattering characteristic will cause acquired data non-coherent and deteriorate the SAR image quality greatly when the aperture angle is ...
8