Development of A Monopulse Radar System

Kirkpatrick, G. M.

doi:10.1109/taes.2009.5089565

Cited by 20 publications

(5 citation statements)

References 5 publications

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“…The Authors are with the Air-Defense and Antimissile Institute, University of Airforce Engineering, Xi'an, Shannxi Province, 710051, China (Email of the corresponding author: wywafeu@163.com) identification in modern radar system [2]. Nevertheless, the working bands of the monopulse antennas mentioned above are too narrow for UWB's applications since the UWB monopulse antennas need UWB arrays and UWB monopulse comparators.…”

Section: Introductionmentioning

confidence: 99%

Ultra-Wideband <formula formulatype="inline"><tex Notation="TeX">$E$</tex></formula>-Plane Monopulse Antenna Using Vivaldi Antenna

Wang

Zhang

et al. 2014

IEEE Trans. Antennas Propagat.

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An ultra-wideband (UWB) E-plane monopulse antenna working in the frequency range from 3.1 GHz to 10.6 GHz is proposed. The UWB E-plane two-element array is constructed using Vivaldi antennas. By shortening the adjacent tapered lines of the two Vivaldi antennas and using corrugated edges, sum and difference characteristics of the array are improved. The UWB monopulse comparator is a multi-layer planar magic T consisting of an UWB 90°directional coupler and two UWB 45°phase shifters in series. By integrating the array and the comparator, the UWB E-plane monopulse antenna is designed and fabricated with the low-cost PCB process. In the frequency range from 3.1 GHz to 10.6 GHz, the sum gain is measured as more than 10.1 dBi, the sidelobe level less than -13.1 dB, and the null depth greater than 22.5 dB. The good sum and difference characteristics obtained make the proposed UWB E-plane monopulse antenna desirable for target detecting and tracking.Index Terms-UWB monopulse antenna, Vivaldi antenna, directional coupler, phase shifter. 0018-926X (c)

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Section: Introductionmentioning

confidence: 99%

Ultra-Wideband <formula formulatype="inline"><tex Notation="TeX">$E$</tex></formula>-Plane Monopulse Antenna Using Vivaldi Antenna

Wang

Zhang

et al. 2014

IEEE Trans. Antennas Propagat.

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“…In 1904, Christian Hulsmeyer (1881-1957), a German inventor, patented a device using radio waves for detection of ships, called the telemobiloscope [7]. Its main drawback was a very limited detection range of about 1.6 nautical miles (about 3 km) and the possibility to detected the presence of a ship, but without measuring the range (distance to the detected ship) [8].…”

Section: Radar Remote Sensing In Detection Of Target Shipsmentioning

confidence: 99%

Review of Collision Avoidance and Path Planning Methods for Ships Utilizing Radar Remote Sensing

Lazarowska

2021

Remote Sensing

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The paper presents a comparative analysis of recent collision avoidance and real-time path planning algorithms for ships. Compared methods utilize radar remote sensing for target ships detection. Different recently introduced approaches are briefly described and compared. An emphasis is put on input data reception using a radar as a remote sensing device applied in order to detect moving obstacles such as encountered ships. The most promising methods are highlighted and their advantages and limitations are discussed. Concluding remarks include proposals of further research directions in the development of collision avoidance methods utilizing radar remote sensing.

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“…Monopulse is a well-developed technique and an important part of the tracking radar for achieving a high anti-interference ability and obtaining the direction of target through sumdifference patterns [1][2][3][4][5][6][7]. To further suppress the interference in the mainbeam, full polarimetric detection is introduced in the monopulse radar [8][9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Digital beam forming methods for variable polarimetric monopulse radar

Zhang

Pei

et al. 2021

IET Radar Sonar & Navi

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In variable polarimetric monopulse radars, due to the number and types of data channels, the polarisation and angle information of the target in the receiving signals are nonlinearly coupled, which results in incorrect polarisation measurement and erroneous angle estimation through a linear digital beam forming (DBF) method. Based on a variable polarimetric monopulse radar with four channels, two non-linear DBF methods are proposed to improve radar ability. Through the angle monopulse estimation principle and the reciprocity theorem, new pairs of summation and difference signals in all polarisation channels are formed to generate the correct polarimetric scattering and angle estimation results. The simulation and experiment results show that the proposed methods achieve a higher precision of polarisation measurement and more consistent angle estimation results compared to the linear DBF method.This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Development of A Monopulse Radar System

Cited by 20 publications

References 5 publications

Ultra-Wideband <formula formulatype="inline"><tex Notation="TeX">$E$</tex></formula>-Plane Monopulse Antenna Using Vivaldi Antenna

Ultra-Wideband <formula formulatype="inline"><tex Notation="TeX">$E$</tex></formula>-Plane Monopulse Antenna Using Vivaldi Antenna

Review of Collision Avoidance and Path Planning Methods for Ships Utilizing Radar Remote Sensing

Digital beam forming methods for variable polarimetric monopulse radar

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