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A novel wideband high efficiency filtantenna array for space-borne synthetic aperture radar (SAR) applications is presented. The antenna array operating bandwidth is broadened by subarray technology, in which the subarrays are excited by a ridged waveguide divider. In order to eliminate the data transmission interference on SAR, the evanescent mode waveguide filters are integrated in the divider expediently...
This paper reports the design of a novel dual-polarized waveguide antenna array antenna for Ku-band (Rx: 12.2512.75GHz; Tx: 14.0–14.5GHz) satellite communications. The horizontal polarized antenna is a ridged waveguide V-shaped slots antenna, which has very low cross-polarization. The vertical-polarized antenna is a longitudinally-slotted ridge waveguide antenna, which has broadband character and...
This paper describes a Ka-band active phased array antenna for mobile satellite communications stations. The active phased array is a fully electronic beam-scanning antenna system and is the most technically challenging component in the system development of the Chinese engineering test satellite, comets. The antenna array is designed to circularly polarization for satellite communications.
This paper describes a multilayer antenna panel for a low cost Ku-band Array Antenna for on-the-move applications. The LOCOMO satcom terminal is based on a dual and interchangeable linear polarized low-profile waveguide antenna with transmit/receive and H/V capability. Planar Horn array is used to attain dual linear-polarization working with orthomode transducer. High directivity and wide bandwidth...
In this paper, a novel configuration of longitudinally slotted waveguide antenna array, which has a single waveguide cavity, is presented. To broaden the bandwidth of the array, a novel feeding structure is introduced. A 16-elements uniform linear array at X-band was designed. The simulated bandwidth of S11 ≤ −10dB is 10.5%, and the antenna has good radiation pattern in the bandwidth. The design considerations...
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