[PDF] Top 20 Adaptive S-Method for SAR/ISAR Imaging

... efficient adaptive technique for postprocessing SAR/ISAR images obtained using 2D FT is ...the adaptive 1D and 2D ...for adaptive selection of the frequency win- dow width in the SM ... See full document

... novel ISAR imaging method based on modified keystone transform (MKT), short- time Fourier transform (STFT), and HT is proposed for multiple ...compensation method in SAR/ISAR [18, ... See full document

... 3-D imaging method, the far-field moving target with a curvilinear track is imaged based on one-antenna geometry, and the target is located initially 10 km away from the origin as shown in ...3 s, ... See full document

... Two-dimensional ISAR image is easy to be obtained under far field condition, but a target is often radiated by spherical wave, which is near field ...the ISAR image, but the wavefront curvature cannot be ... See full document

... (ISAR) imaging based on adaptive Doppler spectrum extraction is proposed in this ...the ISAR image is blurred on cross-range domain when the range-Doppler (RD) algorithm is ...RID ... See full document

... sensing imaging method can greatly reduce the amount of imaging needed to ensure the quality of radar ...sensing method can be shortened several tens of times, and the reconstruction success ... See full document

... The Lee filter is based on the approach that if the variance over an area is low or constant, then the smoothing will be performed. Otherwise, if the variance is high (E.g. near edges), smoothing will not be performed. ... See full document

... bistatic ISAR imaging method based on time-frequency analysis is ...scaling method is presented through range instantaneous Doppler (RID) image matching using T/R-R bistatic radar ... See full document

... Bistatic ISAR is developed, the effects of ISAR echoes from two parameters, bistatic angle and the azimuth angle of equivalent line of sight (LOS) are discussed, relationship between the ISAR echoes ... See full document

... a method to compensate the phase errors in CS ISAR imaging with limited ...proposed method can jointly reconstruct the images and estimate the phase errors using an iterative ...A ... See full document

... proposed method of ISAR imag- ing is compared with the existing methods using FT, STFT, and CWD and is illustrated for both the ...proposed method for MIG-25. Use of FT for ISAR imaging ... See full document

... The radar operating model is based on the strip-map SAR model, which performs imaging of a strip on the ground aside the flight trajectory. The space geometric model in this paper is shown in Fig. 1. The ... See full document

... of method about MIMO radar waveform design for multi-target ISAR imaging is proposed in the ...of imaging task is considered in waveform optimization as important ...multi-target ... See full document

... GEO SAR system works above the ionosphere as other space borne SARs, and the wireless signal travelling through the ionosphere is affected by the ionosphere, so the SAR imaging is influenced by the ... See full document

... the method of multi-direction swath imaging based on spaceborne Hybrid Phased-MIMO SAR which can be satisfied with the next generation of top-level spaceborne SAR to achieve various functions ... See full document

... Relax algorithm [18, 19] estimates the parameters of target signal according to the nonlinear minimum variance criterion. It can be used to distinguish multiple targets and has strong adaptability, so it can be used to ... See full document

... The common autofocusing methods can be categorized into parametric and nonparametric approaches. Computa- tionally, nonparametric methods are much more e ffi cient and easy to implement. The compensation for translational ... See full document

... RD imaging method requires consecutive echoes, the radar must track the target for a long ...’ s receiving range gate and the beam ...of ISAR must be focused on the target during the ... See full document

... SA-ISAR imaging algo- rithm, a modified quasi-Newton algorithm is applied in an iterative manner for image formation [4], and in order to improve the efficiency of the solver, fast Fourier transform and ... See full document

... In section II, a 2-D ISAR signal model is formulated. It is shown that the imaging problem can be modeled as 2D- frequencies estimation. In section III, the matrix enhancement is introduced, and the number ... See full document