Multiple-input multiple-output (MIMO) synthetic aperture radar (SAR) using stepped frequency (SF) waveforms enables a high two-dimensional (D) resolution with wider imaging swath at relatively low cost. Shifting MIMO SAR System for High-Resolution Wide-Swath ... Virtual Antenna Array Analysis for MIMO Synthetic Aperture ... Tosuccessfully utilize the MIMO Synthetic Aperture Radar (SAR) system for practical imaging application, the orthogonalwaveform design plays a critical role in image formation. This paper presents a novel scheme for wide-swath and high-resolution synthetic aperture radar based on a MIMO UWB-OFDM system. IRCI-free MIMO SAR. Retransmission deception jamming seriously degrades the Synthetic Aperture Radar (SAR) detection efficiency and can mislead SAR image interpretation by forming false targets. The attention of researchers has been drawn recently to the application of a multiple-input multiple-output (MIMO) concept to synthetic aperture radar (SAR) imaging due to its powerful applications in both military and civilian sectors [].Two different configurations, namely, single-input multiple-output (SIMO) SAR [] and MIMO SAR [3-5] are introduced in the literature to . A multiple-input multiple-output (MIMO) synthetic aperture radar (SAR) system. This MIMO technique offers a way to synthesize a complex array from a smaller number of transmit and . 1 INTRODUCTION. The paper discusses the implementation of a quasi-geostationary MIMO Synthetic Aperture Radar swarm, also defined as ARGOS in [1]. Follow . The correlation-based synthetic aperture radar imaging technique, termed radar coincidence imaging, is extended to a fully multistatic multiple-input multiple-output (MIMO) synthetic aperture radar (SAR) configuration. Recent years, a new SAR concept based on Multi-Input Multi-Output (MIMO) conflguration has demonstrated the potential advantages to simultaneously improve the performance of Synthetic Aperture Radar (SAR) imaging and ground moving target detection by utilizing multiple antennas both at transmission and reception. Abstract. We present in this paper a computationally attractive cyclic optimization . Nowadays synthetic aperture radar (SAR) and multiple-input-multiple-output (MIMO) antenna systems with the capability to radiate waves in more than one pattern and polarization are playing a key role in modern telecommunication and radar systems. The advantages that MIMO might provide to SAR are not well represented in literature. antenna allocation in mimo radar with widely separated. The swath is increased based on a new approach for orthogonal pulse-shaping and MIMO wide-swath SAR topology. The received signals of the proposed configuration are formulated as multiple-input single-output (MISO) system . Radar systems for fully-automated and semi-automated driving applications that use a Multiple-Input Multiple-Output (MIMO) radar concept with a synthetic-aperture technique from multiple transmit and receive antenna elements have been proposed. It has been shown that MIMO SAR can be used to improve remote sensing system performance. The proposed system employs waveforms based on the orthogonal frequency division multiplexing (OFDM) technique and digital beamforming (DBF . We then take it further and investigate a framework for the detection of ground moving targets using a Multiple-Input-Multiple-Output (MIMO) radar system. 225-242, 2015. Synthetic aperture radar (SAR) technology is an active microwave remote sensing technique, capable of day/night, all-weather operation, used to detect and acquire electromagnetic information about objects without physical contact [1,2,3].The enormous potential of SAR—invented by Carl Wiley in 1951—has been evident since the first demonstration of the concept. However, compared with conventional monostatic sampling schemes, image reconstruction methods for MIMO-SAR are more complicated. Terrain Observation by Progressive Scans (TOPS) is the spaceborne wide swath synthetic aperture radar (SAR) imaging mode and attractive for ocean remote sensing. By exploiting the wavenumber shift and Doppler-band shift phenomenon in the design of transmitted signals, the echo separation can be . mimo radar concepts performance enhancements and. This paper presents a time division multiple access (TDMA) multiple-input and multiple-output (MIMO) synthetic aperture radar (SAR) with a sliding range window for automated position-keeping, which can be applied in vessel tracking/escorting, offshore deepwater drillship equipment servicing, etc. Potential benefits of MIMO SAR include significant reduction in the system pulse . This paper proposes a scheme of multiple-input and multiple (MIMO) synthetic aperture radar (SAR) for ground moving targets detection. MIMO architectures have been widely examined for use in radar target detection, but these systems may yet be ideally suited to real and synthetic aperture radar imaging applications where their proposed benefits include improved resolutions, expanded area coverage, novel modes of operation, and a reduction in hardware size, weight, and cost. MIMO radar systems. This paper mainly introduces the application of MIMO SAR in human body . SAR (Synthetic Aperture Radar) raw data simulation has a significant role in the evaluation of newly-proposed methods for the estimation of moving target parameters. Combined with phase characteristic of the multi-antenna, Download In this second case, the Pulse Repetition Frequency (PRF) is kept low by . A Multi-Input Multi-Output (MIMO) radar can be used to form a synthetic aperture for high resolution imaging. Using reverse SAR imaging methods for the raw data simulations has . In recent decades, a multiple-input multiple-output (MIMO) synthetic aperture radar (SAR) has attracted much attention owing to the improvement of performance in the SAR system [1-4].A MIMO radar consists of multiple antennas to transmit different orthogonal waveforms, which improves the azimuth resolution and gets rid of the range ambiguity [5-8]. In recent years, researchers have sought to bring similar advances to radar using MIMO. 43, no. This paper presents a scheme of space-time coding MIMO orthogonal frequency division multiplexing (OFDM) SAR for high-resolution imaging. (MIMO), synthetic aperture radar (SAR) (Some figures may appear in colour only in the online journal) 1. The advantages that MIMO . Competitive landscape : Leading companies in the X Band Synthetic Aperture Radar Market are Lockheed Martin Corporation (US), Northrop Grumman Corporation (US), Raytheon Company (US), Thales. The hardware composition of the presented . 887-891, May 2014. Abstract An inter-range cell interference (IRCI)-free multiple subband multiple-input multiple-output (MIMO) synthetic aperture radar (SAR) algorithm is proposed to obtain a high-resolution wide swath (HRWS) imaging. Within this framework, we explore two distinct processing schemes: incoherent processing of intensity data, obtained using asynchronous receivers and inspired by optical ghost . Synthetic Aperture Radar (SAR), SAR Interferometry, SAR Polarimetry. Multiple-input multiple-output (MIMO) synthetic aperture radar (SAR) that employs multiple antennas to transmit orthogonal waveforms and multiple antennas to receive radar echoes is a recently proposed remote sensing concept. The multiple-input multiple-output (MIMO) technique can improve the high-resolution wide-swath imaging capacity of synthetic aperture radar (SAR) systems. (a) MIMO-SAR beam developments for the proposed scheme. It is shown that the unknown LASAR image and the nuisance phase errors can be constructed as a bilinear measurement model . THz/Millimeter/Microwave Circuits and Systems. The system would 2020 - we propose a new technique for multiple input multiple output mimo radar with colocated antennas which we call phased mimo However, single-antenna SAR systems cannot achieve wide-swath and high-resolution imaging at the same time. 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