Contributions in inverse synthetic aperture radar imaging

... thesis begins with the an introduction to the developments of radar imaging in Chapter This is followed by a discussion on a three-dimensional inverse synthetic aperture radar imaging method using ... towards Antenna Array Imaging In inverse synthetic aperture radar( ISAR) imaging, one of the main concerns is the achievable resolution Fine range resolution is attai...

Ngày tải lên: 30/09/2015, 05:45

... Researcher between 2001 and 2006 His research interests are in the field of synthetic aperture radar (SAR) and inverse synthetic aperture radar (ISAR) He is an IEEE Member since 1999 John Homer received ... Aerospace & Electronic Systems since 2004 His current research interests include computational synthetic aperture radar imaging algorithms, micro-Doppler radar, and independen...

Ngày tải lên: 22/06/2014, 23:20

... International Corporation 33. 1 Side-Looking Airborne Radar (SLAR) • Unfocused Synthetic Aperture Radar • Focused Synthetic Aperture Radar 33. 3 SAR Image Enhancement 33. 4 Automatic Object Detection ... of a synthetic array antenna to increase the cross-range resolution 33. 2.2 Unfocused Synthetic Aperture Radar Figure 33. 1 provides a good geometric description of...

Ngày tải lên: 25/12/2013, 06:16

... Motion of a Moving Target High resolution Synthetic Aperture Radar (SAR) processing requires that a highly accurate imaging geometry model be first established For SAR Ground Moving Target Indication ... Livingstone, I Sikaneta, C H Gierull, et al., “An airborne synthetic aperture radar (SAR) experiment to support RADARSAT-2 ground moving target indication (GMTI),...

Ngày tải lên: 21/06/2014, 19:20

... Introduction 13 Introduction to synthetic aperture radar (SAR) 17 2.1 Synthetic aperture radar (SAR) 17 2.2 ALOS PALSAR system 22 SAR interferometry processing ... years Synthetic aperture radar interferometry (InSAR) and differential interferometry (DInSAR) techniques have been successfully employed to construct accurate elevation and monitor terrain deformation ....

Ngày tải lên: 13/10/2015, 15:55

... Since the training and evaluation images used in the database contain a single target, in what follows only the most likely target location is considered, yet for processing full images the procedure ... Journal on Advances in Signal Processing h ut zim A R h β Rg α Figure 2: Sonar acquisition geometry The sensor is imaging a cylinder at a range R Figure 1: High-resolution s...

Ngày tải lên: 21/06/2014, 22:20

... constructor in the HHC setting was another human interlocutor; in the other scenario, the participants were seated in front of a computer but were informed that they were actually talking to an automatic ... the human-human interaction results and transpose results for one situation to the other The structuring devices of the human -to- human construction dialogues c...

Ngày tải lên: 08/03/2014, 21:20

Ngày tải lên: 02/04/2014, 16:05

... have a constant propagation speed v The distance between the scan location and the pth target is given by D p (x) = (x p − x)2 + (y p )2 , where (x, 0) and (x p , y p ) are the antenna and the pth ... over standard propagation speed estimation methods for near-field imaging, including lower execution time and the ability to generate accurate results using a single data set This pap...

Ngày tải lên: 21/06/2014, 07:20

... other hand, off resonant nonlinearity has ultrafast response Semiconductor nanocrystals with large nonlinearity are also known to be attractive candidate materials for optical limiting Optical limiters ... induced damage We have synthesized a nanocomposite material incorporating strongly confined CdS nanocrystals of average size 3.4 nm stabilized in a synthetic glue matrix...

Ngày tải lên: 22/06/2014, 18:20

... propose a new fused statistical descriptive regularization (SDR) approach for estimating the SSP that aggregates the statistical minimum risk inference paradigm [2, 3] with the descriptive regularization ... corresponds to the RSF estimator and IOSNR(ASF) corresponds to the ASF method According to (27), the higher the IOSNR is, the better the improvement in...

Ngày tải lên: 22/06/2014, 23:20

... subpulse N −1 In Section 2, the frequency-stepped chirp signal and the principle of the synthetic high range resolution are briefly reviewed Then, some aspects of the chirp frequency-stepped signal are ... It can be seen that the echo of the frequency-stepped chirp signal can be divided into two parts as follows: FREQUENCY-STEPPED CHIRP SIGNAL The frequency-stepped c...

Ngày tải lên: 22/06/2014, 23:20