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| Preface | |
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| Introduction and Overview | |
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| Introduction | |
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| Compact Microstrip Antennas | |
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| Compact Broadband Microstrip Antennas | |
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| Compact Dual-Frequency Microstrip Antennas | |
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| Compact Dual-Polarized Microstrip Antennas | |
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| Compact Circularly Polarized Microstrip Antennas | |
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| Compact Microstrip Antennas with Enhanced Gain | |
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| Broadband Microstrip Antennas | |
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| Broadband Dual-Frequency and Dual-Polarized Microstrip Antennas | |
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| Broadband and Dual-Band Circularly Polarized Microstrip Antennas | |
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| Compact Microstrip Antennas | |
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| Introduction | |
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| Use of a Shorted Patch with a Thin Dielectric Substrate | |
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| Use of a Meandered Patch | |
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| Use of a Meandered Ground Plane | |
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| Use of a Planar Inverted-L Patch | |
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| Use of an Inverted U-Shaped or Folded Patch | |
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| Compact Broadband Microstrip Antennas | |
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| Introduction | |
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| Use of a Shorted Patch with a Thick Air Substrate | |
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| Probe-Fed Shorted Patch or Planar Inverted-F Antenna (PIFA) | |
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| Aperture-Coupled Shorted Patch | |
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| Microstrip-Line-Fed Shorted Patch | |
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| Capacitively Coupled or L-Probe-Fed Shorted Patch | |
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| Use of Stacked Shorted Patches | |
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| Use of Chip-Resistor and Chip-Capacitor Loading Technique | |
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| Design with a Rectangular Patch | |
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| Design with a Circular Patch | |
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| Design with a Triangular Patch | |
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| Design with a Meandered PIFA | |
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| Use of a Slot-Loading Technique | |
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| Use of a Slotted Ground Plane | |
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| Compact Dual-Frequency and Dual-Polarized Microstrip Antennas | |
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| Introduction | |
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| Some Recent Advances in Regular-Size Dual-Frequency Designs | |
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| Dual-Frequency Operation with Same Polarization Planes | |
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| Dual-Frequency Operation with Orthogonal Polarization Planes | |
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| Dual-Frequency Feed Network Designs | |
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| Compact Dual-Frequency Operation with Same Polarization Planes | |
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| Design with a Pair of Narrow Slots | |
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| Design with a Shorted Microstrip Antenna | |
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| Design with a Triangular Microstrip Antenna | |
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| Compact Dual-Frequency Operation | |
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| Design with a Rectangular Microstrip Antenna | |
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| Design with a Circular Microstrip Antenna | |
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| Design with a Triangular Microstrip Antenna | |
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| Dual-Band or Triple-Band PIFA | |
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| Compact Dual-Polarized Designs | |
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| Design with a Slotted Square Patch | |
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| Design with a Slotted Ground Plane | |
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| Design with a Triangular Patch | |
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| Compact Circularly Polarized Microstrip Antennas | |
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| Introduction | |
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| Designs with a Cross-Slot of Unequal Arm Lengths | |
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| Designs with a Y-Shaped Slot of Unequal Arm Lengths | |
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| Designs with Slits | |
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| With a Slit | |
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| With a Pair of Slits | |
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| With Four Inserted Slits | |
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| Designs with Spur Lines | |
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| Designs with Truncated Corners | |
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| With a Triangular Patch | |
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| With a Square-Ring Patch | |
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| With a Triangular-Ring Patch | |
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| With a Slotted Square Patch | |
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| Designs with Peripheral Cuts | |
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| Designs with a Tuning Stub | |
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| With a Circular Patch | |
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| With a Square-Ring Patch | |
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| With a Triangular Patch | |
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| Designs with a Bent Tuning Stub | |
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| Compact CP Designs with an Inset Microstrip-Line Feed | |
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| Compact Microstrip Antennas with Enhanced Gain | |
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| Introduction | |
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| Compact Microstrip Antennas with High-Permittivity Superstrate | |
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| Gain-Enhanced Compact Broadband Microstrip Antenna | |
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| Gain-Enhanced Compact Circularly Polarized Microstrip Antenna | |
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| Compact Microstrip Antennas with Active Circuitry | |
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| Broadband Microstrip Antennas | |
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| Introduction | |
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| Use of Additional Microstrip Resonators | |
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| Microstrip Antennas with an Air Substrate | |
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| Design with a Modified Probe Feed | |
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| Design with a U-Slotted Patch | |
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| Design with an E-Shaped Patch | |
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| Design with a Three-Dimensional V-Shaped Patch | |
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| Broadband Slot-Loaded Microstrip Antennas | |
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| Design with a Rectangular Patch | |
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| Design with a Circular Patch | |
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| Broadband Microstrip Antennas with an Integrated Reactive Loading | |
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| Design with a Rectangular Patch | |
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| Design with a Circular Patch | |
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| Design with a Bow-Tie Patch | |
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| Design with a Triangular Patch | |
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| Broadband Microstrip Antennas with Reduced Cross-Polarizat | |