Unidimensionally scanned phased arrays
- 1 January 1980
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Antennas and Propagation
- Vol. 28 (1) , 86-99
- https://doi.org/10.1109/tap.1980.1142286
Abstract
Phased-array antennas operating in a linear or unidimensional scan mode are currently rising rapidly in importance with the emergence of a number of radar systems which employ advanced signal processing techniques but which do not require a full, and more expensive to implement, two-dimensional scanning capability. This simplification of the scanning feature permits the derivation of far more extensive array aperture design guidelines than is possible for a two-dimensional scan. It is shown that for waveguide arrays systematic procedures for manipulating a minimum number of parameters can be arrived at that lead to optimum performance reliably and efficiently. The approach ranges from the general, involving overall system aspects, to the specific, presenting a tableau of comprehensive practical design information not available elsewhere. In addition, various related subjects central to phased-array performance are discussed with particular attention on the increasingly important topic of wide frequency agility. A description of the antenna system of the multiple antenna surveillance radar (MASR) and its unique and unprecedented performance features is also included.Keywords
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