Chen Chang-wei

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The improvement of linearity and efficiency of power amplifier becomes the research focus in the wireless communication. Lots of new methods are proposed successively to realize high linearity and high efficiency, but most of them are implemented with active style and it is complex to implement. The defected ground structure (DGS) in transmission line can(More)
Experimental immune complex glomerulonephritis induced with bovine serum albumin (BSA) or sheep serum (SS) was studied under immunofluorescent, light and electron microscope. Immunofluorescent study revealed fine and coarse granular immunofluorescent deposits along the glomerular basement membrane (GBM). Electron microscopic examination showed humps of(More)
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