Antenna Theory - FAQ's With Answers - 6.
This page contains basic questions and short notes on some of the keywords on antenna theory: 26) What is point source? It is the waves originate at a fictitious volume less emitter source at the center ‘O’ of the observation circle. 27) What is meant by array? An antenna is a system of similar antennas oriented similarly to get greater directivity in a desired direction. 28) What is meant by uniform linear array? An array is linear when the elements of the array are spaced equally along the straight line. If the elements are fed with currents of equal magnitude and having a uniform progressive phase shift along the line, then it is called uniform linear array . 29) What are the types of array? Broad side array. End fire array Collinear array. Parasitic array. 30) What is Broad side array? Broad side array is defined as an arrangement in which the principal direction of radiation is perpendicular to the array axis and also the plane containing the array ...