Wen-qi Ding

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In this paper, high-performance W -band substrate integrated waveguide (SIW) filters have been investigated by using the low-cost printed-circuit-board (PCB) technology. Two types of SIW bandpass filters including cascaded quadruplet (CQ) and cascaded triplet (CT) filters were studied. The coupling matrix theory has been used to synthesize initial(More)
A planar compact contiguous-channel substrate integrated waveguide (SIW) multiplexer (MUX) is proposed in this paper. To reduce the size of the MUX, the output channels are closely aligned to each other through the use of a compact SIW power combiner. To develop the proposed MUX with high efficiency and high accuracy, a systematic design procedure using an(More)
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