Probing the feed line parameters in vivaldi notch antennas

J Shafieha, J Nourinia, C Ghobadi - Progress in electromagnetics research …, 2008 - jpier.org
Some new parameters in Vivaldi Notch antennas are debated over in this paper. They can
be availed for the bandwidth application amelioration. The aforementioned limiting factors …

Focusing inverse synthetic aperture radar images with higher-order motion error using the adaptive joint-time–frequency algorithm optimised with the genetic …

W Brinkman, T Thayaparan - IET signal processing, 2010 - IET
Algorithms based on the genetic algorithm (GA) and the particle swarm optimisation (PSO)
algorithm were designed for focusing inverse synthetic aperture radar (ISAR) images that …

A high-frequency motion error compensation algorithm based on multiple errors separation in BiSAR onboard mini-UAVs

Z Wang, F Liu, T Zeng, S He - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this article, a high-frequency motion error compensation algorithm for mini-unmanned
aerial vehicle (UAV)-based bistatic synthetic aperture radar (BiSAR) system is proposed …

Stepped-frequency ISAR motion compensation using particle swarm optimization with an island model

SH Park, HT Kim, KT Kim - Progress In Electromagnetics Research, 2008 - jpier.org
This paper proposes a motion compensation method to compensate for the inter-pulse
phase errors caused by the target movement in stepped-frequency ISAR imaging. For this …

Hybrid particle swarm-based algorithms and their application to linear array synthesis

JRP Lopez, J Basterrechea - Progress In Electromagnetics Research, 2009 - jpier.org
A heuristic particle swarm optimization (PSO) based algorithm is presented in this work and
the novel hybrid approach is applied to linear array synthesis considering complex weights …

Analysis of InSAR sensitivity to forest structure based on radar scattering model

D Liu, Y Du, G Sun, WZ Yan, BI Wu - Progress In Electromagnetics …, 2008 - jpier.org
To investigate the effect of forest spatial structure on SAR interferometry (InSAR) data
requires an electromagnetic scattering model capable of expressing radar observation in …

A SAR autofocus algorithm based on particle swarm optimization

TS Lim, V Koo, HT Ewe, HT Chuah - Progress In Electromagnetics …, 2008 - jpier.org
In synthetic aperture radar (SAR) processing, autofocus techniques are commonly used to
improve SAR image quality by removing its residual phase errors after conventional motion …

An efficient ocean SAR raw signal simulation by employing fast fourier transform

YW Zhao, M Zhang, H Chen - Journal of Electromagnetic Waves …, 2010 - Taylor & Francis
Synthetic aperture radar (SAR) raw signal simulations for dynamic ocean scene are
presented in this paper. In order to improve the computation efficiency of time domain SAR …

InSAR height inversion by using 3-D phase projection with multiple baselines

BI Wu, MC Yeung, Y Hara, J Kong - Progress In Electromagnetics Research, 2009 - jpier.org
This study introduces the notion of 2-D and 3-D Phase Projection in our search for a simple
and elegant solution to further reduce noise during InSAR post-processing steps with …

[HTML][HTML] A spatial variant motion compensation algorithm for high-monofrequency motion error in mini-UAV-based BiSAR systems

Z Wang, F Liu, S He, Z Xu - Remote Sensing, 2021 - mdpi.com
High-frequency motion errors can drastically decrease the image quality in mini-unmanned-
aerial-vehicle (UAV)-based bistatic synthetic aperture radar (BiSAR), where the spatial …