Wideband Antennas for Modern Radar Systems

Ren, Yu‐Jiun; Lai, Chieh-Ping

doi:10.5772/7187

Cited by 2 publications

(2 citation statements)

References 13 publications

(11 reference statements)

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“…Standing for Radio Detection and Ranging, the antennas used in radar technology are designed to detect and locate ground, sea-going target, air traffic control systems, missile tracking radar, motion detectors, and a wide variety of remote-sensing systems [2]. The critical issues of emerging radar antennas are low-profile, low cost, conformal, and compact design [3]. The most common shapes used are rectangular, circular, and elliptical, which can be designed for any application [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Asymmetric‐fed triband antenna for military radars and 5G applications using microstrip technology

Bamy¹,

Mpele

2022

The Journal of Engineering

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Achieving antenna size reduction while maintaining high efficiency and multiband characteristics with wide bandwidths across all the operating frequency bands is highly demanded and challenging in microstrip antennas. A novel compact triband quasi‐rho‐shaped and cost‐effective antenna is designed on a 7 × 7 × 1 mm3 FR4 substrate having a permittivity of 4.4 and a loss tangent of 0.02. With an electrical size of 0.39λ0 × 0.39λ0 × 0.056λ0, where λ0 is the free space wavelength at 16.84 GHz, a circular slot and asymmetric microstrip feed are used to achieve the desires performance. The proposed antenna is designed, simulated, and optimized using high‐frequency structure simulator (HFSS) software, and its prototype is fabricated to validate its electromagnetic performance. Furthermore, an equivalent circuit is proposed using the Foster canonical model. The proposed antenna exhibits a maximum stable gain of 5.32 dB and an average radiation efficiency of 77.87% in all the operating frequency bands. The measurement results show that the antenna covers (16.84–18.15 GHz), (24.78–27.40 GHz), and (34.47–37.22 GHz) bands centred at 17.39 GHz, 25.98 GHz, and 35.83 GHz, respectively, with a minimum wide bandwidth (S11 ≤ −10 dB) of 1.31 GHz. The acquired results illustrate that the quasi‐rho‐shaped antenna is suitable for military radars and 5G applications.

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Section: Introductionmentioning

confidence: 99%

Asymmetric‐fed triband antenna for military radars and 5G applications using microstrip technology

Bamy¹,

Mpele

2022

The Journal of Engineering

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“…In [13], we proposed a new antenna system, which is a more compact solution than [9], by using a single radiating horn (commonly used in radar [14,15]) instead of antenna array. Preliminary simulations have demonstrated its capability to achieve simultaneously radar and communication functions using a single input source.…”

Section: Introductionmentioning

confidence: 99%

Design and Experimental Validation of Multifunction Antenna With Direct Modulation for Radar and Communication

Ouedraogo¹,

Sáenz²,

Guinvarc'H³

et al. 2019

PIER

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A multifunction antenna system providing a radar function and a communication function simultaneously is proposed. The system is composed of a horn antenna whose feeding waveguide is loaded with slots. The horn radiation is used for the main radar function. The slotted waveguide radiation is controlled independently from the horn radiation to perform a direct binary phase shift keying (BPSK) communication provided that each radiating slot is equipped with a simple switching mechanism. Then, the antenna system provides two different functions using orthogonal polarizations and directions. Measured results show 9.1 dB and 32 dB isolation between the two functions at the working frequency. In addition, the proposed system can be integrated with the existing radars which use horns by replacing only the feeding waveguide.

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Wideband Antennas for Modern Radar Systems

Cited by 2 publications

References 13 publications

Asymmetric‐fed triband antenna for military radars and 5G applications using microstrip technology

Asymmetric‐fed triband antenna for military radars and 5G applications using microstrip technology

Design and Experimental Validation of Multifunction Antenna With Direct Modulation for Radar and Communication

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