期刊名称:Journal of Theoretical and Applied Information Technology
印刷版ISSN:1992-8645
电子版ISSN:1817-3195
出版年度:2017
卷号:95
期号:10
出版社:Journal of Theoretical and Applied
摘要:Phased arrays are utilized as a part of both radar and communication frameworks. These phased arrays are generally used in most applications because they can cover long distance. Phased array for the most part means an electronically look through arrays. All the more as of late, phased arrays are discovering use in communication frameworks such in satellites, and for ground based SATCOM. A phased array is a system that uses large number of individual antenna components each with phase control. The linear arrangement of components is considered for the array. The phase control permits the pattern of antenna radiation example to be filtered electronically to track targets or to keep up interchanges to sustain link. The capacity to frame different concurrent beams implies that the radar can at the same time track various targets. The beam pointing error lies on different variables i.e. if we are trying to point out the beam in particular direction there may be a very small variation in the beam and this causes the beam pointing error. The pointing error relies on upon utilizing shifters i.e., computerized or analogue, scanning angle, bits utilized for phase shifting and dispersing between the components. Here we are trying to reduce the pointing error in order to steer the beam to the desired angle. The pointing error decreases with increase in number of components, increase in number of bits used for producing phase states and increase in spacing.
关键词:Analog Phase Shifter; Beam Pointing Error; Digital Phase Shifter; Effects On Bpe; Effects Of Steering Angle; Linear Antenna Array.