range-Doppler SAR processing
SAR Data Processing with Range Cell Migration
... the Range-Doppler algorithm employed in processing complex Synthetic Aperture Radar (SAR) ...to range varying parameters such as Doppler centroid, azimuth frequency modulation ...
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Range Doppler Algorithm for Bistatic SAR Processing Based on the Improved Loffeld's Bistatic Formula
... the Doppler chirp rates of the transmitter and receiver are significantly ...bistatic SAR). To extend LBF for the general bistatic SAR configuration, Wang et ...
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Feasibility Study of SAR Processing using High Level Synthesis
... In range the length of the received data is fixed which only depends on device and in azimuth the data length is relative aperture size and whole raw data size is proportional to the observation ...different ...
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Array Signal Processing for Synthetic Aperture Radar (SAR)
... the range-Doppler algorithm, the step of RCMC uses the in- terpolation operation, which requires both computation time and ac- curacy of processed ...the range-Doppler ...the ...
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A Novel Wavenumber Domain Algorithm for Bistatic SAR Imaging Based on Equivalent Monostatic Model
... monostatic SAR, BiSAR can obtain more abundant scattering information for imaging targets, and it also has stronger anti-interference and anti-strike ...imaging processing. Compared with other conventional ...
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Study on Attitude Control Method for Zero-Doppler Steering in Space Borne SAR System
... the Doppler centroid is not zero in the conventional broadside mode with zero beam attitudes due to the earth rotation and eccentricity of the orbit [1, ...large Doppler centroid may result in serious ...
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Application of Complete Complementary Sequence in Orthogonal MIMO SAR System
... after range pulse compression firstly, and then use the identical Doppler parameter to focus the data in azimuth ...real-time processing for the sake of the low ...
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SAR Imaging of Moving Target Based on Quadratic Phase Function
... scene, SAR cannot simultaneously produce clear images of both stationary and moving targets because they have different Doppler frequency respectively, the target motion in- duced phase errors, which ...
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Adaptive reconstruction for azimuth signal of multichannel HRWS SAR imaging system
... one Doppler bin can be identified as virtual sig- nal sources from different known directions ...multichannel SAR can be reconstructed by digital beamforming (DBF) techniques in range-Doppler ...
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PROCESSING SQUINTED SAR RAW DATA USING RANGE DOPPLER ALGORITHM
... 1) Range compression: The raw data signal is first compressed in range direction ...in range dimension only, without affecting the azimuth ...before range compression in high squint generally ...
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A Novel Range Compression Algorithm for The~Resolution Enhancement in GNSS-SAR
... conventional SAR, range resolution of GNSS-SAR is significantly ...improve range resolution of GNSS-SAR is an interested topic for ...novel range compression algorithm for ...
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A novel post-processing algorithm for Halo Doppler lidars
... Here we present an improved post-processing algorithm for Halo Photonics Stream Line Doppler lidars, which are currently widely used for PBL research (O’Connor et al., 2010; Pearson et al., 2010; Harvey et ...
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A Novel Range-Instantaneous-Doppler ISAR Imaging Algorithm for Maneuvering Targets via Adaptive Doppler Spectrum Extraction
... [1–4]. Range resolution is proportional to the bandwidth of transmitted signal whilst cross-range resolution is dependent on the relative rotation of targets with respect to the ...coherent ...
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Squint mode GEO SAR imaging using bulk range walk correction on received signals
... frequency-domain SAR imaging algorithms include the omega-K methods presented by Claudio Prati and Fabio Rocca [8], the methods based on the chirp scaling [9], and the frequency domain algorithms proposed by ...
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Study of the relationship between pilot whale (Globicephala melas) behaviour and the ambiguity function of its sounds
... found that when the major axis of the beam is directed to within ±5° of the hydrophone, the signal received by the hydrophone will be within 3 dB of the highest amplitude. Consequently, we speculated that the sound of ...
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GNSS based bistatic SAR: a signal processing view
... m, which is much smaller than the width of the building. However, we can compare the overall length of the target ’ s response to its physical width. The total width of the tar- get ’ s response is approximately 22 m, in ...
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Modified Algorithm for Real Time SAR Signal Processing
... the SAR raw data is a computational intensive task. Both range compression and azimuth compression utilized Fast Fourier Transform (FFT) algorithms and Inverse Fast Fourier Transform (IFFT) in order to ...
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Application of Dual-Polarimetry SAR Images in Multitemporal InSAR Processing
... solution to deal with spatiotemporal decorrelations of interferometric phase using time-series analysis of single- master interferograms. The technique uses Amplitude Dispersion Index (ADI) as a proxy of phase stability ...
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Signal Processing Methods for Quantitative Power Doppler Microvascular Angiography
... power Doppler in preclinical (and possibly clinical) trials in which DCE-CT, DCE-MRI, or PET is used at a few checkpoints and Doppler is used to interpolate tumor vascularity measurements between those ...
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A Synthetic Bandwidth Method for High-Resolution SAR Based on PGA in the Range Dimension
... combination processing, we consider three cases: Case 1, ignoring timing error; Case 2, applying the conventional cut-paste method; and Case 3, implementing the improved cut-paste ...
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