An interpolation-based time-modulated antenna array for beam scanning at carrier frequency

H Li, Y Chen, S Yang - IEEE Transactions on Antennas and …, 2023 - ieeexplore.ieee.org
The formula of the Fourier series for a periodic function indicates that traditional periodic
time modulation only provides amplitude weighting at the carrier frequency of a time …

A Planar Time-Modulated Array with Integrated 2-Bit Phase Modulator

L Yin, P Yang, Q Zeng, Y Man - IEEE Transactions on Antennas …, 2024 - ieeexplore.ieee.org
In this article, the implementation and experimental validation of harmonic beamforming in a
planar 2-bit time-modulated array (TMA) is proposed. The incorporation of a 2-bit phase …

High-efficiency modulation and harmonic beam scanning in time-modulated array

G Ni, C He, Y Gao, J Chen, R Jin - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A general high-efficiency time-modulated module and harmonic beam scanning time-
modulated array (TMA) are proposed and investigated in this article. By introducing the …

Multibeam single-sideband time-modulated arrays

R Maneiro-Catoira, JA Garcia-Naya, JC Bregains… - IEEE …, 2020 - ieeexplore.ieee.org
The design of efficient time-modulated arrays (TMAs) for multi-beam steering purposes must
be based on both a type of periodical sequences that guarantees an adequate windowing of …

Low sideband radiation beam scanning at carrier frequency for time-modulated array by non-uniform period modulation

G Ni, C He, J Chen, Y Liu, R Jin - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
A novel beam scanning method utilizing the carrier frequency component for time-
modulated array (TMA) is proposed and a significant algorithm based on the non-uniform …

Time-modulated arrays: A four-dimensional antenna array controlled by switches

C He, L Wang, J Chen, R Jin - Journal of Communications and …, 2018 - ieeexplore.ieee.org
With the rapid development of modern electronic technologies, antenna arrays typically
operate in very complex electromagnetic environments. However, owing to the various …

Efficiency enhancement of time-modulated arrays with optimized switching sequences

MH Mazaheri, M Fakharzadeh… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
The conventional time-modulated arrays (TMAs) have a low radiation efficiency, since each
antenna turns off at specific time slots. In this paper, first, the efficiency of TMA is investigated …

Low Sidelobe Single-Sideband Time-Modulated Phased Array Using Stepped Waveforms With Different Amplitudes

Q Chen, JD Zhang, DY Luo, W Wu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Single-sideband time-modulated phased arrays (STMPAs) can suppress undesired
sidebands and achieve convenient beam scanning without repeated time-consuming …

Time modulated linear arrays

Y Tong - 2013 - etheses.whiterose.ac.uk
With increasing demand for modern technology in the communication systems, antenna
arrays have attracted much interest in the areas of radio broadcasting, space …

Design of phase modulation antenna array with stable overall efficiencies

Q Zeng, P Yang, L Yin, C Wu, F Yang… - IEEE Antennas and …, 2021 - ieeexplore.ieee.org
Phase modulation (PM) techniques based on time modulated arrays (TMAs) are usually
used to generate a steerable beam at the carrier frequency. However, the overall efficiency …