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 …
antenna turns off at specific time slots. In this paper, first, the efficiency of TMA is investigated …
Efficiency improvement of time modulated array with reconfigurable power divider/combiner
Time modulated array (TMA) suffers from relatively low efficiencies due to the power
absorption in switches during off state. In this paper, we present the design of a novel TMA …
absorption in switches during off state. In this paper, we present the design of a novel TMA …
Instantaneous gain optimization in time modulated array using reconfigurable power divide/combiner
Time modulated array (TMA) suffers from relatively unstable instantaneous gain due to the
variation in both efficiency of feeding network and directivity as different number switches …
variation in both efficiency of feeding network and directivity as different number switches …
Synthesis of simultaneous sum and difference patterns in uniformly excited time-modulated linear arrays using firefly algorithm
In this paper, sideband radiations which are generally regarded as the undesired effects of
time-modulated antenna arrays (TMAAs), are exploited to design multi-beam antenna …
time-modulated antenna arrays (TMAAs), are exploited to design multi-beam antenna …
Time-modulated arrays: A review
In the modern communication era, antenna arrays play a vital role, demanding more
constrained antenna arrays with high gain, ultra-low sidelobes, and other characteristics …
constrained antenna arrays with high gain, ultra-low sidelobes, and other characteristics …
Time-modulated arrays: A four-dimensional antenna array controlled by switches
With the rapid development of modern electronic technologies, antenna arrays typically
operate in very complex electromagnetic environments. However, owing to the various …
operate in very complex electromagnetic environments. However, owing to the various …
Low sideband radiation beam scanning at carrier frequency for time-modulated array by non-uniform period modulation
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 …
modulated array (TMA) is proposed and a significant algorithm based on the non-uniform …
An improved modulation module in time-modulated array
G Ni, C He, R Jin - IEEE Antennas and Wireless Propagation …, 2021 - ieeexplore.ieee.org
An improved modulation module for beam steering in time-modulated array (TMA) is
presented and investigated. The general improved module deploys parallel submodules …
presented and investigated. The general improved module deploys parallel submodules …
Sideband radiation level suppression in time-modulated array by nonuniform period modulation
A novel sideband radiation (SR) level suppression method for the time-modulated array
(TMA) is proposed. By modulating their front-end RF switches with nonuniform periods, the …
(TMA) is proposed. By modulating their front-end RF switches with nonuniform periods, the …
A figure of merit in a time-modulated array
In this letter, we use G/T as a figure of merit to evaluate the performance of time-modulated
arrays (TMA). The noise performance of a receiver, which is periodically switched ON and …
arrays (TMA). The noise performance of a receiver, which is periodically switched ON and …