Formulas are presented for the optimum design of the H‐plane septum power divider in a rectangular waveguide. Optimum values of the septum offset are given in terms of the frequency and power‐divide ratio. Corresponding values of the septum length and iris width are given in terms of the frequency and septum offset. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 37: 390–393, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10927

This paper presents an efficient receive beam structure able to search and track the simultaneous bundle targets with the active electrically scanned array radar. One of the characteristic with the active phased array radar is to point toward wanted direction and to forming simultaneously the digital multi-beam. This paper proposes method to detect and track rapidly bundle targets coming to radar using the digital beam forming. The proposed the beam forming method in the paper is evaluated about the angle accuracy of targets via a computer simulation.

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