Preface |
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xv | |
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1 Practical Aspects of Active Phased Array Antenna Development |
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1 | (18) |
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1 | (3) |
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1.2 Active Phased Array Antenna System |
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4 | (1) |
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1.3 Passive Phased Array Antenna |
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5 | (3) |
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1.4 Passive Phased Array Antenna Limitations |
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8 | (1) |
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1.5 Active Phased Array Antenna |
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8 | (2) |
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1.6 Key Radar System-Level Advantages of Active Phased Arrays over Passive Phased Arrays |
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10 | (2) |
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1.6.1 Increased Sensitivity |
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10 | (1) |
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1.6.2 Improved Target Detection in Clutter |
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10 | (1) |
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1.6.3 Improved Waveform and Pattern Flexibility |
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10 | (1) |
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1.6.4 Improved Wideband Operation |
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10 | (1) |
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1.6.5 Increased Reliability |
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11 | (1) |
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1.6.6 Reduced Prime Power Requirement |
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11 | (1) |
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11 | (1) |
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1.6.8 Lower Noise Temperature/Figure |
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11 | (1) |
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1.6.9 Adaptive and Digital Beamforming |
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11 | (1) |
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1.7 Tracking Radar Performance Metric |
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12 | (1) |
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1.8 Introductions to the Chapters |
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13 | (4) |
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17 | (1) |
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18 | (1) |
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2 Analysis and Design of Linear and Planar Phased Arrays |
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19 | (34) |
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19 | (1) |
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2.2 Analysis of Linear Arrays |
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19 | (4) |
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2.3 Low Sidelobes for Linear Arrays |
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23 | (1) |
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2.4 Low Sidelobe Aperture Distributions |
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23 | (4) |
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2.4.1 Dolph-Chebyshev Aperture Distribution |
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23 | (2) |
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2.4.2 Taylor Distribution for Linear Arrays |
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25 | (1) |
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2.4.3 Bayliss Distribution for Difference Patterns |
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26 | (1) |
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2.4.4 Implementation of Monopulse Beams for an Active Planar Phased Array Antenna |
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26 | (1) |
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2.5 Analysis and Synthesis of Planar Arrays |
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27 | (6) |
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28 | (3) |
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2.5.2 Triangular Array Element Grid |
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31 | (2) |
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2.6 Comparison of Rectangular and Triangular Grids |
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33 | (1) |
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2.7 Minimize the Number of Elements for a Grating Lobe-Free Pattern Using a Tilted Array |
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34 | (4) |
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2.8 Directivity and Gain of Active Arrays |
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38 | (2) |
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2.9 Effect of Amplitude and Phase Errors on the Phased Array Antenna Performance |
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40 | (4) |
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2.9.1 Quantization Errors |
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40 | (2) |
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2.9.2 RMS Sidelobe Level Due to Amplitude and Phase Errors |
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42 | (2) |
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2.10 Beam Pointing Error Due to Phase Quantization |
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44 | (1) |
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2.11 Bandwidth Criteria for Active Phased Array Antennas |
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44 | (3) |
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2.11.1 Instantaneous Bandwidth |
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45 | (1) |
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2.11.2 Phased Array Operating Bandwidth |
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46 | (1) |
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2.12 Moderate Instantaneous Wide Bandwidth Array by Applying Amplitude Taper in the Receiver |
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47 | (3) |
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50 | (1) |
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50 | (3) |
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3 Transmit/Receive Modules |
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53 | (30) |
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53 | (1) |
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3.2 T/R Module Architecture |
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54 | (5) |
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56 | (1) |
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3.2.2 Integration of T/R Module with DC-to-DC Converter |
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57 | (1) |
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3.2.3 Common Leg T/R Module Architecture |
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58 | (1) |
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3.3 Active Phased Array Performance Improvement |
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59 | (2) |
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3.3.1 GaN Wide Bandgap Power Amplifiers |
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60 | (1) |
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3.4 T/R Module Key Performance Parameters |
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61 | (6) |
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3.4.1 Power-Added Efficiency |
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61 | (1) |
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3.4.2 T/R Module Noise Figure |
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62 | (1) |
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3.4.3 Noise Figure of a Cascaded Network |
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62 | (1) |
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3.4.4 T/R Module Noise Temperature |
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63 | (1) |
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3.4.5 1-dB Compression Point |
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64 | (1) |
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3.4.6 Third-Order Intercept Point |
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65 | (2) |
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3.5 T/R Module Architecture Trade-Offs |
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67 | (2) |
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3.6 T/R Module Architectures for Circular Polarization |
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69 | (1) |
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3.7 T/R Module Construction |
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70 | (1) |
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3.8 Thermal Stack-Up of the T/R Module |
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71 | (2) |
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3.9 Integration of MMIC, Control Module, and DC-to-DC Converters |
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73 | (1) |
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3.10 T/R Module Stability |
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74 | (1) |
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3.11 T/R Module Reliability |
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75 | (1) |
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76 | (2) |
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3.13 Performance Requirements of T/R Modules |
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78 | (1) |
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3.14 Application of Silicon Germanium (SiGe) BiCMOS Technology in T/R Modules |
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79 | (2) |
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81 | (1) |
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81 | (2) |
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4 Beamformer Architectures for Active Phased Array Antennas |
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83 | (20) |
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83 | (3) |
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4.2 Beamformer Networks for Passive Phased Array Antennas |
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86 | (4) |
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4.3 Beamformer Networks for Active Phased Array Antennas |
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90 | (4) |
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4.3.1 Multiple Independent Receive Beams |
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91 | (3) |
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4.4 Impact of Beamformer Architecture on System Noise Figure |
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94 | (3) |
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4.5 Beamformer Architectures for High Reliability |
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97 | (1) |
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4.6 Beamformer Networks for Wideband Active Phased Array Antennas |
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97 | (4) |
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101 | (1) |
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102 | (1) |
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103 | (22) |
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103 | (1) |
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5.2 Printed Circuit Radiating Elements |
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104 | (3) |
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5.2.1 Printed Circuit Wideband Radiating Elements |
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106 | (1) |
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5.3 Waveguide Radiating Elements |
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107 | (3) |
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5.3.1 A Wideband Tapered Double-Ridged Waveguide Element Fed by a Coaxial Probe |
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109 | (1) |
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5.4 Radome Heating for Ice Inhibition |
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110 | (2) |
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5.5 Wideband Parallel Waveguide Phased Array Radiator |
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112 | (2) |
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5.6 Mutual Coupling Between Radiating Elements |
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114 | (2) |
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5.7 Selection of the Radiating Element Type |
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116 | (1) |
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5.8 Radiating Element Design Process |
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117 | (4) |
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5.9 Phased Array Radiation Pattern Calculation by Using the Mutual Coupling Between Elements in a Small Array |
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121 | (1) |
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122 | (1) |
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122 | (3) |
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6 Beam Steering and DC Power Distribution |
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125 | (12) |
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6.1 Active Phased Array Antenna Beam Steering Controller |
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125 | (4) |
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6.1.1 Active Phased Array Distributed Beam Steering Controller |
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126 | (2) |
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6.1.2 Active Phased Array Centralized Beam Steering Controller |
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128 | (1) |
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6.2 Active Phased Array Power Distribution |
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129 | (5) |
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6.2.1 DC-to-DC Converter Key Requirements |
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130 | (1) |
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6.2.2 Distributed Power System |
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130 | (2) |
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6.2.3 Centralized Power System |
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132 | (1) |
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6.2.4 Average versus Peak DC-to-DC Converters |
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133 | (1) |
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6.2.5 Comparison of Distributed and Centralized Power Systems |
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134 | (1) |
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134 | (1) |
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135 | (2) |
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7 Active Phased Array Antenna Packaging |
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137 | (18) |
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137 | (3) |
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7.2 Array Packaging Concepts |
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140 | (4) |
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7.2.1 Tile Array Construction and Cooling Methods |
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141 | (1) |
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7.2.2 Brick Array Packaging |
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141 | (1) |
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7.2.3 Components of an LRU |
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142 | (1) |
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143 | (1) |
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7.3 Active Array Antenna Brick Packaging Schemes |
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144 | (5) |
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7.3.1 Sliding Vertical Cold Plate Active Array Packaging |
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145 | (1) |
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7.3.2 Edge-Cooled, Horizontal Cold Plate Array Packaging |
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146 | (2) |
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7.3.3 Vertical Fixed Cold Plate Packaging Concept |
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148 | (1) |
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7.4 LRU to the Radiating Element RF Connections |
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149 | (1) |
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150 | (1) |
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7.6 Active Array Antenna Radome Design |
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150 | (3) |
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153 | (1) |
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153 | (2) |
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8 Active Phased Array Antenna Design for High Reliability |
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155 | (20) |
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155 | (1) |
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156 | (2) |
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8.3 Active Phased Array Antenna Architecture Description for High Reliability |
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158 | (2) |
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8.4 Maximizing the Array MTBCF |
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160 | (2) |
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8.5 Antenna MTBF for Different Cluster Sizes |
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162 | (4) |
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8.6 Increasing Array MTBCF with Redundant Power Supplies |
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166 | (3) |
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8.7 Driver Amplifier Boosters in the Active Phased Array Beamformers |
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169 | (1) |
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8.8 Lifecycle Maintenance Cost Estimation of an Active Phased Array Antenna |
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170 | (3) |
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8.9 Active Phased Array Antenna Availability and Sparing |
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173 | (1) |
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174 | (1) |
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174 | (1) |
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9 Active Phased Array Design for High Clutter Improvement Factor |
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175 | (10) |
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175 | (1) |
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9.2 Centralized Phased Array Architecture |
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176 | (3) |
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9.3 Distributed Array Architecture |
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179 | (3) |
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182 | (1) |
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183 | (2) |
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10 Active Phased Array Antenna Calibration |
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185 | (16) |
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185 | (1) |
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10.2 Active Array Calibration Using Mutual Coupling Between Array and External Elements |
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186 | (2) |
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10.3 Active Array Calibration Technique Using Mutual Coupling Between Array Elements |
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188 | (2) |
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10.4 Active Array Calibration Technique Using Mutual Coupling Between One Calibration Element and All Array Elements |
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190 | (1) |
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10.5 Active Array Calibration Technique Using Mutual Coupling Between a Few Dedicated Internal Elements and the Array Elements |
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191 | (7) |
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10.5.1 Calibration Procedure |
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193 | (2) |
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10.5.2 Required Number of Calibration Elements |
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195 | (1) |
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10.5.3 Calibration Accuracy |
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196 | (1) |
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10.5.4 Effect on Array Packaging |
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197 | (1) |
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198 | (1) |
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198 | (3) |
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11 Digital Beamforming for Active Phased Array Antennas |
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201 | (12) |
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201 | (2) |
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11.2 Dynamic Range Improvement |
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203 | (1) |
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11.3 Digital Beamforming at the Subarray Level |
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204 | (2) |
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11.4 Digital Beamforming of Multiple Simultaneously Independent Receiver Beams |
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206 | (1) |
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11.5 Angle Tracking Accuracy |
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207 | (1) |
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11.6 Adaptive Digital Beamforming |
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208 | (2) |
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11.6.1 Adapting Nulling in Analog Arrays |
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209 | (1) |
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11.7 Exciter Noise and Clutter Attenuation |
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210 | (1) |
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211 | (1) |
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211 | (2) |
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12 Cost Reduction Strategies for Active Phased Array Antennas |
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213 | (28) |
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213 | (2) |
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12.2 High Cost of Current Active Phased Array Antennas |
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215 | (1) |
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12.3 SPY-1 Array Antenna Cost Reduction |
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216 | (1) |
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12.4 Improvements in Technology and Manufacturing Processes |
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217 | (1) |
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218 | (3) |
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218 | (1) |
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12.5.2 Commercial Parts and Processes Are Not Adequate for Military Applications |
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218 | (1) |
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12.5.3 Cost-Pius Contracts |
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219 | (1) |
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12.5.4 Lack of Incentives |
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219 | (1) |
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12.5.5 Schedule Limitations Do Not Permit Any Design Changes |
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220 | (1) |
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12.5.6 The Benefits of Competition to the Buyer: An Automobile Industry Example |
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220 | (1) |
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12.5.7 Use the Best Available Technology |
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220 | (1) |
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12.5.8 Changes Will Increase Program Costs and Schedule Delays |
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221 | (1) |
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221 | (2) |
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221 | (1) |
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222 | (1) |
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12.7 Cost Reduction Strategies |
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223 | (15) |
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12.7.1 Optimizing T/R Module RF Output Power Levels for Phased Array Antenna Cost, Size, Prime Power, and Dissipated Heat |
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223 | (4) |
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12.7.2 Trading the Number of Array Faces for a Hemispherical Field of View |
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227 | (1) |
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12.7.3 Band-Aid Solutions |
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228 | (1) |
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12.7.4 Antenna Architecture |
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229 | (1) |
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12.7.5 Minimize the Number of Interfaces |
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230 | (1) |
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12.7.6 LRU Size versus Cost |
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231 | (1) |
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232 | (1) |
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232 | (2) |
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234 | (1) |
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12.7.10 DC Power Distribution |
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235 | (1) |
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12.7.11 Beamformers, Cables, and Connectors |
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235 | (1) |
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12.7.12 Power-Added-Efficiency and Cost |
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236 | (1) |
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12.7.13 Active Phased Array Antennas for Wide Bandwidth Operation |
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236 | (1) |
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12.7.14 Antenna Assembly and Test |
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237 | (1) |
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238 | (1) |
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239 | (2) |
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241 | (6) |
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T/R Module Requirements and Flow Down to the Components |
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241 | (1) |
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T/R Module Requirements Flow Down (Transmit Channel) |
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241 | (2) |
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T/R Module Requirements Flow Down (Receive Channel) |
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243 | (4) |
List of Acronyms |
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247 | (4) |
About the Author |
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251 | (2) |
Index |
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253 | |