In Section 10.10 (“Reciprocity”), we established that a pair of antennas could be represented as a passive linear time-invariant two-port, with v1 and i1 representing the potential and curre...In Section 10.10 (“Reciprocity”), we established that a pair of antennas could be represented as a passive linear time-invariant two-port, with v1 and i1 representing the potential and current at the terminals of one antenna (“antenna 1”), and v2 and i2 representing the potential and current at the terminals of another antenna (“antenna 2”).
