Method and apparatus for making phase stable microwave measurements
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United States of America Patent
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Dec 12, 1989
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N/A
app pub date -
Jan 27, 1987
filing date -
Jan 27, 1987
priority date (Note) -
Expired
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Abstract
Method and apparatus for making phase stable measurements of charateristics of microwave antennas and other devices utilizing an optical transmission path as a phase stable reference in order to identify phase errors along a radio frequency transmission path induced by flexing of a radio frequency transmitting cable as the antenna probe or antenna under test is moved in the course of testing. Similar apparatus and techniques are described for use with a harmonic mixer to gather receiver data which is free of phase errors caused by movement of the antenna.
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