Magdalena Salazar-Palma - Modern Characterization of Electromagnetic Systems and its Associated Metrology

7 Chapter 7Figure 7.1 Comparison of exact and computed far field for φ = 0 °c...Figure 7.2 Comparison of exact and computed far field for φ = 90 °...Figure 7.3 Co‐polarization characteristic for φ = 0 °cut for a 32 × ...Figure 7.4 Co‐polarization characteristic for φ = 90 °cut for a 32Figure 7.5 Cross‐polarization characteristic for φ = 0 °cut for a ...Figure 7.6 Cross‐polarization characteristic for φ = 90 °cut for a...Figure 7.7 Amplitude (dB) of the equivalent magnetic current M y: reconstruct...Figure 7.8 Phase (deg.) of the equivalent magnetic current M y: reconstructed...Figure 7.9 Two‐dimensional EMC distribution. Far‐field pattern ( φ = 0 o)...Figure 7.10 Linear patch array. Far‐field pattern ( φ = 0 o). Co‐polar pa...Figure 7.11 Linear patch array: Far‐field pattern ( φ = 0 o). Cross‐polar...Figure 7.12 32 × 32 microstrip patch array. Far‐field pattern ( φ = 0 o)....Figure 7.13 32 × 32 microstrip patch array. Far‐field pattern ( φ = 0 o)....Figure 7.14 32 × 32 microstrip patch array. Far‐field pattern ( φ = 90 o)...Figure 7.15 32 × 32 microstrip patch array. Far‐field pattern ( φ = 90 o)...Figure 7.16 32 × 32 microstrip patch array. Amplitude (–30dB to 0dB) and pha...Figure 7.17 Reflector antenna of size 90 cm. Far‐field pattern ( φ = 0 o)...Figure 7.18 Reflector antenna of size 90 cm. Far‐field pattern ( φ = 0 o)...Figure 7.19 Reflector antenna of size 90 cm. Far‐field pattern ( φ = 90 oFigure 7.20 Reflector antenna of size 90 cm. Far‐field pattern ( φ = 90 oFigure 7.21 Reflector antenna of size 90 cm. Electric field components at th...

8 Chapter 8Figure 8.1 Transient waveform scattered from a plane conducting sheet.Figure 8.2 Transient waveform scattered from a plane conducting sphere of 1....Figure 8.3 Impulse response of a conducting sphere of 1.5 inch in diameter w...Figure 8.4 Impulse response of a conducting sphere of 1.5 inch diameter with...Figure 8.5 Spectrum of the impulse response of a conducting sphere of 1.5‐in...Figure 8.6 A 10 port multiconductor transmission line embedded in a multilay...Figure 8.7 A sampling Oscilloscope is used to measure the input and the outp...Figure 8.8 Input step voltage applied to port 1 of the multiconductor transm...Figure 8.9 Output step response observed at port 10 of the multiconductor tr...Figure 8.10 Deconvolved impulse response between ports 1 and 10 of the multi...Figure 8.11 Output step response observed at port 2 of the multiconductor tr...Figure 8.12 Deconvolved impulse response between ports 1 and 2 of the multic...Figure 8.13 Output step response observed at port 3 of the multiconductor tr...Figure 8.14 Deconvolved impulse response between ports 1 and 3 of the multic...Figure 8.15 Output step response observed at port 4 of the multiconductor tr...Figure 8.16 Deconvolved impulse response between ports 1 and 4 of the multic...Figure 8.17 Output step response observed at port 6 of the multiconductor tr...Figure 8.18 Deconvolved impulse response between ports 1 and 6 of the multic...Figure 8.19 Output step response observed at port 7 of the multiconductor tr...Figure 8.20 Deconvolved impulse response between ports 1 and 7 of the multic...Figure 8.21 Output step response observed at port 8 of the multiconductor tr...Figure 8.22 Deconvolved impulse response between ports 1 and 8 of the multic...Figure 8.23 Output step response observed at port 9 of the multiconductor tr...Figure 8.24 Deconvolved impulse response between ports 1 and 9 of the multic...

9 Chapter 9Figure 9.1 The anechoic chamber with the AUT on a rollover azimuth position....Figure 9.2 A top view of the antenna measurement system. The metal plate has...Figure 9.3 Comparison of the radiation pattern measured in the non‐anechoic ...Figure 9.4 Plot of S 21( f , ϕ ), the input‐output frequency response for e...Figure 9.5 Plot of the temporal response S 21( t , ϕ ) for each azimuth ang...Figure 9.6 The computed set of complex coefficients a nthat fits the data fo...Figure 9.7 Plot of the temporal pattern using the retained set of coefficien...Figure 9.8 S 21( t ', ϕ ), the time domain data using FFT after truncatin...Figure 9.9(a) Amplitude pattern reconstruction using the Chebyshev Polynomia...Figure 9.9(b) Result of the pattern reconstruction using the FFT‐based metho...Figure 9.10(a) Phase reconstruction using the Chebyshev Polynomials.Figure 9.10(b) Phase reconstruction for the above pattern using the FFT‐base...Figure 9.11 The spherical NF measurement setup with a missing data in the in...Figure 9.12 A horn antenna for the frequency 1.55 GHz. (a) Aperture of the h...Figure 9.13 Real part of E θfor ϕ = 90 ∘on a NF measuring su...Figure 9.14 Radiation pattern of the horn antenna for the plane ϕ = 0 ∘...Figure 9.15 Radiation pattern of the horn antenna for the plane ϕ = 90 ∘...Figure 9.16 Radiation pattern of the horn antenna for the plane ϕ = 90 ∘...Figure 9.17 Radiation pattern of the horn antenna on the plane θ = 90 ∘...Figure 9.18 A 2‐element microstrip patch array operating at 3 GHz. (a) Patch...Figure 9.19 Real part of E θfor ϕ = 90 ∘on a NF measuring su...Figure 9.20 Radiation pattern of the microstrip array on the plane ϕ = ...Figure 9.21 Radiation pattern of the microstrip array on the plane ϕ = ...Figure 9.22 Imaginary part of E θfor ϕ = 90 ∘on a NF measuri...Figure 9.23 Radiation pattern of the microstrip array on the plane ϕ = ...Figure 9.24 A parabolic antenna operating at a frequency 1.55 GHz.Figure 9.25 Real part of E θfor ϕ = 110 ∘on a NF measuring s...Figure 9.26 Imaginary part of E θfor ϕ = 90 ∘on a NF measuri...Figure 9.27 Radiation pattern of the horn antenna on the plane ϕ = 90 ∘...Figure 9.28 Zenith‐directed parabolic reflector with a spherical near‐field ...Figure 9.29 Interpolation of the real part of E θfor ϕ = 0°.Figure 9.30 Interpolation of the imaginary part of E θfor ϕ = 0°.Figure 9.31 Interpolation of the real part of E θfor ϕ = 90°.Figure 9.32 Interpolation of the imaginary part of E θfor ϕ = 90°.Figure 9.33 Interpolation of the real part of E φfor ϕ = 0°.Figure 9.34 Interpolation of the imaginary part of E φfor ϕ = 0°.Figure 9.35 Interpolation of the real part of E φfor ϕ = 90°.Figure 9.36 Interpolation of the imaginary part of E φfor ϕ = 90°.Figure 9.37 Comparison between the original far‐field and interpolated far‐f...Figure 9.38 Rotated parabolic reflector antenna.Figure 9.39 Interpolation of the real part of E θfor ϕ = 0°.Figure 9.40 Interpolation of the imaginary part of E θfor ϕ = 0°.Figure 9.41 Interpolation of the real part of E θfor ϕ = 90°.Figure 9.42 Interpolation of the imaginary part of E θfor ϕ = 90°.Figure 9.43 Interpolation of the real part of E φfor ϕ = 0°.Figure 9.44 Interpolation of the imaginary part of E φfor ϕ = 0°.Figure 9.45 Interpolation of the real part of E φfor ϕ = 90°.Figure 9.46 Interpolation of the imaginary part of E φfor ϕ = 90°.Figure 9.47 Comparison between the original far‐field and the interpolated f...Figure 9.48 Extrapolation of the real part of E θfor ϕ = 0°.Figure 9.49 Extrapolation of the Imaginary part of E θfor ϕ = 0°.Figure 9.50 Extrapolation of the real part of E θfor ϕ = 90°.Figure 9.51 Extrapolation of the imaginary part of E θfor ϕ = 90°.Figure 9.52 Extrapolation of the real part of E φfor ϕ = 0°.Figure 9.53 Extrapolation of the imaginary part of E φfor ϕ = 0°.Figure 9.54 Extrapolation of the real part of E φfor ϕ = 90°.Figure 9.55 Extrapolation of the imaginary part of E φfor ϕ = 90°.Figure 9.56 Comparison between the original far‐field and the extrapolated f...Figure 9.57 Extrapolation of the real part of E θfor ϕ = 0°.Figure 9.58 Extrapolation of the imaginary part of E θfor ϕ = 0°.Figure 9.59 Extrapolation of the real part of E θfor ϕ = 90°.Figure 9.60 Extrapolation of the imaginary part of E θfor ϕ = 90°.Figure 9.61 Extrapolation of the real part of E φfor ϕ = 0°Figure 9.62 Extrapolation of the imaginary part of E φfor ϕ = 0°.Figure 9.63 Extrapolation of the real part of E φfor ϕ = 90°.Figure 9.64 Extrapolation of the imaginary part of E φfor ϕ = 90°.Figure 9.65 Comparison between original and extrapolated far‐field.