Direction finding system
作者： De Witt R Goddard
DOI:
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摘要:
lens.org 参考文章(4)
Paul W Nosker, System for determining the position or path of an object in space ,(1944)
Scharlau Hans, Distance and direction determining system ,(1935)
Oscar C Roos, Apparatus for determining the direction of space-telegraph signals. ,(1909)
Deloraine Edmond M, Emile Labin, Marie Gloess Paul Francois, Radio location system ,(1943)