Modern Characterization of Electromagnetic Systems and its Associated Metrology
when phi = 90° (dB Scale).Figure 6.51 A three‐element Yagi‐Uda antenna.Figure 6.52 E total when φ = 0° (dB Scale).Figure 6.53 E total when φ = 90° (dB Scale).Figure 6.54 A x‐directed single probe.Figure 6.55 A x‐directed single probe (side view).Figure 6.56 A x‐directed probe array.Figure 6.57 A x‐directed probe array (side view).Figure 6.58 E total when phi = 0° (dB Scale).Figure 6.59 E total when phi = 90° (dB Scale).Figure 6.60 Planar scanning for the x‐z plane.Figure 6.61 Planar scanning for y‐z plane.Figure 6.62 A x‐directed rectangular probe array.Figure 6.63 A x‐directed probe array (side view).Figure 6.64 A y‐directed rectangular probe array.Figure 6.65 E total when ϕ = 0 (dB Scale).Figure 6.66 A x‐directed probe array (step 2).Figure 6.67 A y‐directed probe array (step 2).Figure 6.68 E total when ϕ = 90° (dB Scale) in step 2.Figure 6.69 A x‐directed rectangular probe array.Figure 6.70 A x‐directed probe array (side view).Figure 6.71 A y‐directed rectangular probe array.Figure 6.72 E total in dB when ϕ = 0° (step 1).Figure 6.73 A x‐directed probe array (step 2).Figure 6.74 A y‐directed probe array (step 2).Figure 6.75 E total when ϕ = 90° (dB Scale).Figure 6.76 A three‐element Yagi‐Uda antenna.Figure 6.77 E total in dB when φ = 0° (step 1).Figure 6.78 E total in dB when φ = 90° (step 2).Figure 6.79 A x‐directed probe array (step 1).Figure 6.80 A y‐directed probe array (step 1).Figure 6.81 A x‐directed probe array (side view).Figure 6.82 E total in dB when ϕ = 0° (step 1).Figure 6.83 A x‐directed probe array (step 2).Figure 6.84 A y‐directed probe array (step 2).Figure 6.85 E total in dB when ϕ = 90° (step 2).Figure 6.86 A 10 by 10 x‐directed probe array with 0.2 λ separations in...Figure 6.87 The same x‐directed probe array with 0.2 λ separations in b...Figure 6.88 Relative error for different sizes of the measurement planes wit...Figure 6.89 Relative error for different sizes of the measurement planes wit...Figure 6.90 E total when φ = 0° (dB Scale) for all sizes of the measu...Figure 6.91 E total when φ = 90° (dB Scale) for all sizes of the meas...Figure 6.92 A 50 by 50 x‐directed probe array with 0.2 λ separations in...Figure 6.93 A 50 by 50 x‐directed probe array with 0.2 λ separations in...Figure 6.94 Relative error for different sizes of measurement planes with 0....Figure 6.95 Relative error for different sizes of measurement planes with 0....Figure 6.96 E total when φ = 0° (dB Scale) for all sizes of the measu...Figure 6.97 E total when φ = 90° (dB Scale) for all sizes of the meas...Figure 6.98 E total when φ = 0° (dB Scale) for all sizes of the measu...Figure 6.99 E total when φ = 90° (dB Scale) for all sizes of the meas...Figure 6.100 E total when φ = 0° (dB Scale) for all sizes of the meas...Figure 6.101 E total when φ = 90° (dB Scale) for all sizes of the mea...Figure 6.102 E total when φ = 0° (dB Scale) for all sizes of the meas...Figure 6.103 E total when φ = 90° (dB Scale) for all sizes of the mea...Figure 6.104 Relative error for different sizes of measurement planes with 0...Figure 6.105 Relative error for different sizes of measurement planes with 0...Figure 6.106 A 24 by 24 x‐directed probe array with 0.2 λ separations i...Figure 6.107 A 24 by 24 x‐directed probe array with 0.2 λ separations i...Figure 6.108 Relative error for different sizes of measurement planes with 0...Figure 6.109 Relative error for different sizes of measurement planes with 0...Figure 6.110 E total when φ = 0° (dB Scale) for all sizes of the meas...Figure 6.111 E total when φ = 90° (dB Scale) for all sizes of the mea...Figure 6.112 E total when φ = 0° (dB Scale) for all sizes of the meas...Figure 6.113 E total when φ = 90° (dB Scale) for all sizes of the mea...Figure 6.114 E total when ϕ = 0° (dB Scale) for all sizes of the measureme...Figure 6.115 E total when ϕ = 90° (dB Scale) for all sizes of the measurem...Figure 6.116 Two planes of measurement for amplitude‐only data.Figure 6.117 A x‐directed probe array.Figure 6.118 A x‐directed probe array (side view).Figure 6.119 E total when φ = 0° (dB Scale).Figure 6.120 E total when φ = 90° (dB Scale).Figure 6.121 A x‐directed probe array.Figure 6.122 A x‐directed probe array (side view).Figure 6.123 E total when φ = 0° (dB Scale).Figure 6.124 E total when φ = 90° (dB Scale).Figure 6.125 E total when φ = 0° (dB Scale).Figure 6.126 E total when φ = 90° (dB Scale).Figure 6.127 A x‐directed probe array.Figure 6.128 A x‐directed probe array (side view).Figure 6.129 E total when phi = 0° (dB Scale).Figure 6.130 E total when phi = 90° (dB Scale).Figure 6.131 Planar near‐field measurement using a phased array of resonant ...Figure 6.132 A planar near‐field measurement configuration using an array of...
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 My: reconstruct...Figure 7.8 Phase (deg.) of the equivalent magnetic current My: reconstructed...Figure 7.9 Two‐dimensional EMC distribution. Far‐field pattern (φ = 0o)...Figure 7.10 Linear patch array. Far‐field pattern (φ = 0o). Co‐polar pa...Figure 7.11 Linear patch array: Far‐field pattern (φ = 0o). Cross‐polar...Figure 7.12 32 × 32 microstrip patch array. Far‐field pattern (φ = 0o)....Figure 7.13 32 × 32 microstrip patch array. Far‐field pattern (φ = 0o)....Figure 7.14 32 × 32 microstrip patch array. Far‐field pattern (φ = 90o)...Figure 7.15 32 × 32 microstrip patch array. Far‐field pattern (φ = 90o)...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 = 0o)...Figure 7.18 Reflector antenna of size 90 cm. Far‐field pattern (φ = 0o)...Figure 7.19 Reflector antenna of size 90 cm. Far‐field pattern (φ = 90oFigure 7.20 Reflector antenna of size 90 cm. Far‐field pattern (φ = 90oFigure 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