NASA NTRS · 19670000641
Highly stable microwave delay line
Abstract
TWM /Traveling Wave Master/ comb structure serves as a highly stable microwave delay line for determining the short-term stability of the hydrogen maser frequency standards used in the deep space network. Cryogenic cooling is used to minimize signal attenuation and thermal noise.
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Higa, W. H.. 1967-12-01. Highly stable microwave delay line. https://ntrs.nasa.gov/citations/19670000641
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