# Perfectly Awesome

## Antenna Design - book notes intro
antenna types
current distribution - thin wire antenna
history
intro
directivity
numericals
gain
efficiency
half-power beamwidth
beam efficiency
bandwidth
polarization
input impedance
vector effective length & equivalent areas
max directivity, max effective area
friis transmission equation
temperature
vector potential, electric current source
vector potential, magnetic current source
placeholder
vector potential wave equation
duality
reciprocity & reaction
intro
infinitesimal dipole
small dipole
region separation
finite length dipole
half-wavelength dipole
linear elements - infinite perfect conductors
ground effects
intro
small circular loop antennas (CLAs)
CLAs w/ constant current
CLAs w/ non-uniform current
ground & earth curvatures
polygonal loop antennas
ferrite loop antennas
mobile comms applications
intro
two-element arrays
n-element arrays (uniform amplitude & spacing)
n-element arrays - directivity
design
n-element arrays - 3D characteristics
rectangular-polar visualization
n-element arrays - uniform spacing, nonuniform amplitude
superdirectivity
planar arrays
design
circular arrays
intro
continuous sources
schelkunoff polynomial method
fourier transform method
woodward-lawson method
taylor line-source
taylor line-source (one parameter)
triangular, cosine & cosine-squared amplitude distributions
line-source phase distributions
continuous aperture sources
intro
integral equation method
finite-diameter wires
moment method solution
self impedance
mutual impedance - linear elements
mutual coupling - arrays
intro
biconical antennas
triangular sheet, bowtie, and wire simulation
cylindrical dipoles
folded dipoles
discone & conical skirt monopoles
sleeve dipoles
matching techniques
traveling wave antennas
intro & theory
equiangular spiral antennas
log-periodic antennas
small antennas - fundamental limits
huygen's principle
directivity
rectangular apertures
circular apertures
design
babinet's principle
fourier transforms
ground-plane edge effects - geometric diffraction theory
E-plane sectional horns
H-plane sectional horns
pyramidal horns
conical horns
corrugated horns
aperture-matched horns
multimode horns
phase center
intro
rectangular patch
circular patch
quality factor, bandwidth & efficiency
input impedance
coupling
circular polarization
arrays & feed networks
plane reflectors
corner reflectors
parabolic reflectors
spherical reflectors
ranges
gain
directivity
impedance
current
polarization
scale model
f(x) = sin(x)/x
f(n,x) = | sin(Nx) / N sin(x) |
cosine & sine integrals
fresnel integrals
bessel functions
trig, hyperbolic, logarithmic identities
vector math
stationary-phase methods
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