abstract
aperture
application
array
atmospheric
capacitance
circuit
cloud
concentric
concept
conductivity
conductor
contactless
contactless energy transfer
coupling
criterion
diameter
diffraction
directional
discharge
distance
due
earthbound
electric
emitters
energy
ground
helical
high
illustration
impinge
inductively
inefficient
insulated
keyword
keywords
kilometer
km
large
laser
magnetic
methods
microwave
monochromatic
phenomena
preponderant
propagation
radiation
rapidly
resonant
resonator
sinusoidal
solar
solenoids
space
strata
subsurface
tag
tags
telecommunications
term
terms
transfer
transmission
typography
voltage
word
words