Fig. 1. Schematic cross-section view of the voltage adder system

Fig. 2. Structural diagram of D-dot

Fig. 3. Amplitude-frequency response of D-dot

Fig. 4. Calibration circuit of probe H

Fig. 5. Calibration waveform of probe H

Fig. 6. Input voltage waveform of IVA

Fig. 7. Output voltage waveform of IVA

Fig. 8. Voltage waveform of azimuthal transmission lines

Fig. 9. Simulated voltage waveform of azimuthal transmission lines

Fig. 10. Comparison of voltage waveforms at positions F and H

Fig. 11. Diode voltage calculation waveform