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Circularly polarized array antenna based on dual split ring resonators (DSRRs)

期刊: FREQUENZ, 2021; 75 (9-10)

A wideband circularly polarized (CP) array antenna has significant importance in modern communication system. In this paper, we proposed a wide band C......

Design and experimental verification of compact dual-band SIW power dividers with arbitrary power division

期刊: FREQUENZ, 2021; 75 (7-8)

This paper communicates the design and experimental validation of dual-band SIW power dividers (single-stage and double-stage) with arbitrary power di......

Research on the electromagnetic scattering from foam sea based on SMCG

期刊: FREQUENZ, 2021; 75 (7-8)

The electromagnetic scattering characteristics of foam in Marine environment are studied in this paper. The Elfouhaily sea spectrum model is establish......

Compact dual-band balanced bandpass filter based on circular SIW cavity

期刊: FREQUENZ, 2021; 75 (9-10)

A compact dual-band balanced bandpass filter with high frequency selectivity and adjustable passband based on the perturbed circular substrate integra......

Compact four-band diplexer using defected ground structures

期刊: FREQUENZ, 2021; 75 (7-8)

In this paper, a novel four-band diplexer using defected ground structures with compact size, low insertion loss and high isolation is presented. To b......

High-efficiency three-way Doherty power amplifier using reconfigurable PD

期刊: FREQUENZ, 2021; 75 (7-8)

In this paper, a new reconfigurable power divider (PD) is proposed to improve the efficiency of the three-way Doherty power amplifier (DPA). The conve......

A metasurface-enabled Fabry-Perot (FP) circularly polarized antenna with continuous wideband polarization conversion purity

期刊: FREQUENZ, 2021; 75 (9-10)

In this paper, a wideband continuous pure right hand circularly polarized (RHCP), high gain, and low-radar cross-section (RCS) array antenna is propos......

A single-layer low-cost reflectarray antenna using dual-resonant element approach

期刊: FREQUENZ, 2021; 75 (9-10)

A single-layer wideband high efficiency reflectarray in Ku-band has been presented in this paper. A novel dual-resonant patch element approach has bee......

A multi-band planar antenna for biomedical applications

期刊: FREQUENZ, 2021; 75 (5-6)

We present the design of a compact tri-band adhesive planar antenna which operates as a gateway for biomedical applications. Operating in the Industri......

Tunable balanced to balanced filtering power divider with high common-mode suppression

期刊: FREQUENZ, 2020; 74 (7-8)

In this paper, a tunable balanced-to-balanced in-phase filtering power divider (FPD) is designed, which can realize a two-way equal power division wit......

A novel tri-band reconfigurable microstrip patch antenna

期刊: FREQUENZ, 2020; 74 (7-8)

In this paper, a novel tri-band reconfigurable patch antenna with simple structure is presented. By changing the on-off state of only two PIN diodes, ......

Antenna tilt optimization for multi-cell massive multiple-input multiple-output (MIMO) systems with two tilts

期刊: FREQUENZ, 2020; 74 (9-10)

In this paper, we study the optimization of two tilt angles corresponding to two antenna arrays in each base station (BS) of a massive multiple-input ......

Design of 89/118/166/183 GHz frequency dividing network for microsatellite application

期刊: FREQUENZ, 2020; 74 (9-10)

Miniaturizing the microwave circuits for micro-satellite platform has been one of the development trends in microwave remote sensing. A novel 89/118/1......

Design of Novel Compact Quad-Band Bandpass Filter with High Selectivity

期刊: FREQUENZ, 2020; 74 (1-2)

This paper presents a compact quad-band bandpass filter. The filter is realized by multi-embedded stub-load resonators. By utilizing multi-embedded st......

Dual-Polarization and Low-Sidelobe Corrugated Rectangular Horn Antennas for Outdoor RCS Measurement

期刊: FREQUENZ, 2020; 74 (1-2)

Outdoor radar cross section (RCS) measurement suffers background clutter. Such clutter needs to be minimized, especially when measuring low RCS level ......

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