VSWR to Reflected Power Loss, antenna design

Topics
Dipole
   • Cup Dipole
Folded Dipole Step up Ratio
     ► Small
     ► Large
• Short Dipole Resistance
Directivity
• Aperture
    ► Circular
      • Central blockage loss
    • Blockage sidelobes
      • Circular Aperture Nomograph
      • Quadratic Phase Loss
    ► Square
      • Beam broadening from taper
      • Quadratic Phase Loss
    ► Unequal beamwidth nomograph
• Omnidirectional
• Widebeam
    ► Cardiod
    ► cosN(θ)
    ► Gaussian
    ► Unequal Beamwidths narrow
    ► Unequal Beamwidths wide
• Horn downloads
• Circular
    ► Axially Corrugated
    ► Axially+Radial Corrugations
    ► Cup Horn
    ►Potter Horn
    ►Satoh Horn
    ► Scrimp Horn
    ►Turrin Horn
• Rectangular
    ► Rectangular horn efficiencies
    ► Optimum designs
    ► Small optimum designs
Measurement
• Circular Polarized Gain Factor
• Multipath ripple
• Angular ripple to distance
• Dual Pol. Emax error
• Dual Pol. Emin error
• Near-field measurement correction
• Metal frame radome
•Patch Directivity
Polarization
• Axial ratio to CP X-pol
• Axial ratio to pol. loss
• Ludwig chart
• Max-Min pol. loss
• Path Loss Adj. for CP Gains
• Axial ratio to inverse axial ratio
Reflectors – General Aspects
• Geometry
• Subtended angle scale
• Optimum feed beamwidth
• Feed mismatch factor
• Axial defocusing factor
• Surface tolerance (cm) loss
• Surface tolerance (in) loss
• Subreflector tolerance factors
• Skin depth nomograph
• Reflectors – canonical
• Prime focus
• Offset fed
• Cassegrain – symmetrical
• Gregorian – symmetrical
• Cassegrain – offset
• Gregorian – offset
• Open Cassegrain
• Inverse Cassegrain
• Dragonian
• Displaced Axis Reflector
• Generalized Dual Reflector
Transmission line
• Return loss to reflected power loss
• VSWR to reflected power loss
• Return loss to VSWR
• Peak voltage due to VSWR
• Power de-rating due to VSWR

VSWR to reflected power loss