DocumentCode :
961367
Title :
A self-steering array for nonsinusoidal waves based on array impulse response measurement
Author :
Hussain, Malek G M
Author_Institution :
Dept. of Electr. & Comput. Eng., Kuwait Univ., Safat, Kuwait
Volume :
30
Issue :
2
fYear :
1988
fDate :
5/1/1988 12:00:00 AM
Firstpage :
154
Lastpage :
160
Abstract :
An array antenna consisting of identical distortion-free sensors used for the reception of nonsinusoidal waves with finite bandwidth is modeled as a linear time-invariant causal system. It is shown that the impulse response of the array sensors is a function of the angle of incidence of the received wavefront. Based on this model, a self-steering array system for beam forming with noise-free rectangular pulses is developed. Its beam-forming mechanism determines the array impulse response to point a main beam in the direction of the source from which the waves are arriving. The array system is advanced further so that nonsinusoidal waves that suffer distortions due to scattering from a large scatterer, and/or dispersive propagation, can be processed to form a main beam in the direction of the scatterer, and to achieve classification and identification of the unknown scatterer
Keywords :
antenna arrays; antenna radiation patterns; electromagnetic wave scattering; receiving antennas; transient response; angle of incidence; array impulse response measurement; beam forming; classification; dispersive propagation; distortion-free sensors; distortions; finite bandwidth; identification; linear time-invariant causal system; noise-free rectangular pulses; nonsinusoidal waves; received wavefront; receiving antenna; scatterer; scattering; self-steering array; Adaptive arrays; Antenna measurements; Dispersion; Distortion measurement; Linear antenna arrays; Scattering; Sensor arrays; Sensor systems; Shape; Voltage;
fLanguage :
English
Journal_Title :
Electromagnetic Compatibility, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9375
Type :
jour
DOI :
10.1109/15.2401
Filename :
2401
Link To Document :
بازگشت