Example image of eyePlorer eyePlorer map for 'Scattering parameters': Communications system Electrical engineering Electrical network Electronic engineering Input Linear X-parameters Admittance parameters Impedance parameters Amplifier Gain Reflection coefficient Return loss Standing wave ratio Dielectric Electromagnetic radiation Optical engineering Discontinuity Electric current Transmission line Volt Electrical impedance Frequency Microwave Radio frequency Characteristic impedance Linear algebra Matrix (mathematics) Lumped element model Attenuator (electronics) Electronic filter Equalizer Power dividers and directional couplers Coaxial Amplitude Angle Complex number Magnitude (mathematics) Phase (waves) Polar coordinate system Rectangle Logarithmic scale Decibel Dimensionless quantity Degree (angle) Radian Locus (mathematics) Smith chart Passivity (engineering) Reciprocity