US PATENT SUBCLASS 324 / 646
.~.~.~.~ To determine reflection coefficient

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324 /   HD   ELECTRICITY: MEASURING AND TESTING

600  DF  IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS {8}
629  DF  .~ Distributive type parameters {6}
637  DF  .~.~ Using transmitted or reflected microwaves {3}
642  DF  .~.~.~ Where energy is reflected (e.g., reflectometry) {4}
646.~.~.~.~ To determine reflection coefficient

DEFINITION

Classification: 324/646

To determine reflection coefficient:

(under subclass 642) Subject matter including measurement of the complex (vector or phasor) ratio between the fields associated with the reflected and incident waves.