Shorting-post loaded microstrip antenna array formation for conical and broadside radiation pattern

2002 ◽  
Vol 35 (2) ◽  
pp. 97-99 ◽  
Author(s):  
Vijay Srinivasan ◽  
V. F. Fusco
Keyword(s):  
Antenna Array ◽  
Radiation Pattern ◽  
Microstrip Antenna ◽  
Microstrip Antenna Array ◽  
Broadside Radiation

A Broad Band and Wide Beam Microstrip Antenna Array

2013 ◽  
Vol 427-429 ◽  
pp. 648-651
Author(s):  
Xiao Feng Xiong ◽  
Wei Dong Chen
Keyword(s):  
Antenna Array ◽  
Radiation Pattern ◽  
Microstrip Antenna ◽  
Broad Band ◽  
Operating Mode ◽  
Impedance Bandwidth ◽  
Axial Mode ◽  
Wide Beam ◽  
Microstrip Antenna Array ◽  
Helical Antennas

A novel broad band and wide beam microstrip helical antenna is proposed based on the modification of traditional helical antennas. Through selecting the appropriate operating mode between the axial mode and the normal mode, this new antenna can broad both the beamwidth and the bandwidth. To improve the gain of the antenna, An antenna array with 1*16 elements is designed and fabricated. Meanwhile, cavity-loaded feeding network is utilized for probe station measurement. The simulated impedance and radiation pattern are studied. The proposed antenna shows a wide impedance bandwidth from 7.6GHz to 9.6GHz for |S11|<-10dB, with wide 3dB beamwidth of E-plane about 1200, respectively.

scholarly journals Design of a Missile-borne Conformal Microstrip Navigation Antenna

2018 ◽  
Vol 232 ◽  
pp. 04080 ◽  
Author(s):  
Junyan Wu ◽  
Jiaao Yu ◽  
Qin Tao
Keyword(s):  
Circular Polarization ◽  
Antenna Array ◽  
Radiation Pattern ◽  
Frequency Band ◽  
Navigation System ◽  
Microstrip Antenna ◽  
Axial Ratio ◽  
Horizontal Direction ◽  
Microstrip Antenna Array

A missile-borne conformal dual-fed circular polarized microstrip antenna array is designed and fabricated, which realized omnidirectional radiation in horizontal direction. Frequencies of the antenna include GPS L1 frequency (1.575GHz) and Beidou navigation system B1 frequency (1.562GHz). Based on the HFSS simulation, the influence of conformation is analyzed on S11, axial ratio and gain of antenna array. The size of microstrip patches is changed so that the influence of conformation on antenna can be reduced. The circular polarization performance and the circular polarization gain of the antenna are also improved. The antenna array prototype is fabricated and measured. The result shows that the S11 parameter of the antenna is less than -10dB in the 1.55~1.60GHz frequency band. At the GPS L1 frequency and the Beidou B1 frequency, the maximum of horizontal omnidirectional gain is 1.73dB, 1.25dB respectively. The out-of-roundness of the radiation pattern is less than 2.5dB. The antenna has a good horizontal omnidirectional circular polarization radiation performance.

Slotline fed microstrip antenna array modules

1988 ◽  
Vol 1 (1) ◽  
pp. 26-29
Author(s):  
Y. T. Lo ◽  
M. L. Oberhart ◽  
J. S. Brenneman ◽  
P. Aoyagi ◽  
J. Moore ◽  
...  
Keyword(s):  
Antenna Array ◽  
Microstrip Antenna ◽  
Microstrip Antenna Array
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