Implementation of rectangular slit-inserted ultra-wideband tapered slot antenna

Kim, Sun-Woong; Choi, Dong-You

doi:10.1186/s40064-016-3033-4

Cited by 15 publications

(12 citation statements)

References 13 publications

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“…2) Inserted Slits: The use of inserted slits in tapered slot antennas was proposed by Kim and Choi [30] where it was shown that a significant increase in bandwidth was obtained with implemented slits of adequate size compared to the basic tapered slot antenna. A similar design was implemented on the Vivaldi antennas in order to obtain the required bandwidth while keeping a minimum antenna area.…”

Section: ) Printed Lens In Aperturementioning

confidence: 99%

Drone-Mounted Ultrawideband Radar for Retrieval of Snowpack Properties

Jenssen

Eckerstorfer

Jacobsen

2020

IEEE Trans. Instrum. Meas.

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Extracting snowpack parameters from snow cover on sea ice or land is a time-consuming and potentially high-risk task. Moreover, deriving such parameters by manually digging a snow pit evidently yields low area coverage. We, therefore, propose a practical solution to this problem by mounting an ultrawideband radar system onto an unmanned aerial vehicle (UAV) to obtain information such as snowpack depth, density, and stratigraphy in order to increase personnel safety and extend coverage area. In this paper, we describe the development of radar system hardware and its mounting onto a UAV, as well as initial tests with this radar as a snow measuring device. Preliminary results from both ground and airborne testing show that the radar system is capable of obtaining snow depth information that corresponds well to in situ validation data with a correlation of 0.87. The radar system also works well while mounted on a UAV platform with little additional signal noise from vibrational and translatory movements.

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Section: ) Printed Lens In Aperturementioning

confidence: 99%

Drone-Mounted Ultrawideband Radar for Retrieval of Snowpack Properties

Jenssen

Eckerstorfer

Jacobsen

2020

IEEE Trans. Instrum. Meas.

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“…Communication Mode #2 is conducted by NB Antenna #2. In Mode #2, NB Antenna #2 is used to communicate in the mid-frequency band (5)(6)(7)(8). Figure 8 shows the S-parameter characteristics of NB Antenna #2.…”

Section: Communication Mode #2mentioning

confidence: 99%

“…Various UWB antennas [3][4][5][6][7][8] have been studied to obtain the wideband characteristic required for UWB communications. In [9,10], a reactive impedance surface (RIS) was used to broaden the impedance bandwidth, especially at low frequencies.…”

Section: Introductionmentioning

confidence: 99%

A Compact Four-Port Coplanar Antenna Based on an Excitation Switching Reconfigurable Mechanism for Cognitive Radio Applications

2019

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In this paper, we propose a compact four-port coplanar antenna for cognitive radio applications. The proposed antenna consists of a coplanar waveguide (CPW)-fed ultra-wideband (UWB) antenna and three inner rectangular loop antennas. The dimensions of the proposed antenna are 42 mm × 50 mm × 0.8 mm. The UWB antenna is used for spectrum sensing and fully covers the UWB spectrum of 3.1–10.6 GHz. The three loop antennas cover the UWB frequency band partially for communication purposes. The first loop antenna for the low frequency range operates from 2.96 GHz to 5.38 GHz. The second loop antenna is in charge of the mid band from 5.31 GHz to 8.62 GHz. The third antenna operates from 8.48 GHz to 11.02 GHz, which is the high-frequency range. A high isolation level (greater than 17.3 dB) is realized among the UWB antenna and three loop antennas without applying any additional decoupling structures. The realized gains of the UWB antenna and three loop antennas are greater than 2.7 dBi and 1.38 dBi, respectively.

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“…Optimized dimensions in (㎜) of proposed antenna dimensions of antenna [8] . The radiating patch is formed on the top side where as ground is on other side of substrate [14,15] .…”

Section: ⅱ Antenna Geometrymentioning

confidence: 99%