Radio frequency spectrum analyzer including dispersive traveling wave tube elements
作者： Spangenberg Karl
DOI:
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摘要:
lens.org 参考文章(4)
John R Pierce, High-speed oscilloscope ,(1949)
Arthur V Hollenberg, Standing wave ratio indicator ,(1946)
Hollmann Hans Erich, Electromechanical oscillating device ,(1937)
Hurvitz Hyman, Cathode-ray tube wavemeter ,(1948)