Calculation of Sideband Power Radiation in Time-Modulated Arrays With Asymmetrically Positioned Pulses

被引：55
作者：
Aksoy, Ertugrul [1 ]
Afacan, Erkan [1 ]
机构：
[1] Gazi Univ, Dept Elect & Elect Engn, TR-06570 Ankara, Turkey
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2012年 / 11卷
关键词：
Antenna arrays; sideband radiation; time modulation; LINEAR ARRAYS; OPTIMIZATION; LOSSES;
D O I：
10.1109/LAWP.2012.2185916
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, the effect of shifting pulses of a time-modulated array (TMA) on sideband radiations is examined, and the total power formulation is generalized to asymmetric cases. Also, it is shown theoretically that shifting pulses changes the total power radiated in harmonics.
引用
收藏
页码：133 / 136
页数：4
相关论文
共 14 条
[1]  
Aksoy E, 2011, PR ELECTROMAGN RES S, P368
[2]   Thinned Nonuniform Amplitude Time-Modulated Linear Arrays [J].
Aksoy, Ertugrul ;
Afacan, Erkan .
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, 2010, 9 :514-517
[3]   Signal radiation and power losses of time-modulated arrays [J].
Bregains, J. C. ;
Fondevila-Gomez, J. ;
Franceschetti, G. ;
Ares, F. .
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2008, 56 (06) :1799-1804
[4]   Direction of Arrival Estimation in Time Modulated Linear Arrays With Unidirectional Phase Center Motion [J].
Li, Gang ;
Yang, Shiwen ;
Nie, Zaiping .
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2010, 58 (04) :1105-1111
[5]   Adaptive nulling in time-modulated linear arrays with minimum power losses [J].
Poli, L. ;
Rocca, P. ;
Oliveri, G. ;
Massa, A. .
IET MICROWAVES ANTENNAS & PROPAGATION, 2011, 5 (02) :157-166
[6]   Time modulated planar arrays - Analysis and optimisation of the sideband radiations [J].
Poli, L. ;
Rocca, P. ;
Manica, L. ;
Massa, A. .
IET MICROWAVES ANTENNAS & PROPAGATION, 2010, 4 (09) :1165-1171
[7]   Pattern synthesis in time-modulated linear arrays through pulse shifting [J].
Poli, L. ;
Rocca, P. ;
Manica, L. ;
Massa, A. .
IET MICROWAVES ANTENNAS & PROPAGATION, 2010, 4 (09) :1157-1164
[8]   Harmonic Beamforming in Time-Modulated Linear Arrays [J].
Poli, Lorenzo ;
Rocca, Paolo ;
Oliveri, Giacomo ;
Massa, Andrea .
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2011, 59 (07) :2538-2545
[9]   Handling Sideband Radiations in Time-Modulated Arrays Through Particle Swarm Optimization [J].
Poli, Lorenzo ;
Rocca, Paolo ;
Manica, Luca ;
Massa, Andrea .
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2010, 58 (04) :1408-1411
[10]   Synthesis of compromise sum-difference arrays through time-modulation [J].
Rocca, P. ;
Manica, L. ;
Poli, L. ;
Massa, A. .
IET RADAR SONAR AND NAVIGATION, 2009, 3 (06) :630-637
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