By Yu Jian Cheng
Substrate built-in Antennas and Arrays presents a unmarried resource for state-of-the-art details on substrate built-in circuits (SICs), substrate built-in waveguide (SIW) feeding networks, SIW slot array antennas, SIC traveling-wave antennas, SIW feeding antennas, SIW monopulse antennas, and SIW multibeam antennas. encouraged by means of the author’s broad learn, this finished book:
- Describes a progressive SIC-based antenna approach with the aptitude to switch present antenna technologies
- Examines theoretical and experimental effects hooked up to electric and mechanical performance
- Explains tips on how to conquer problems in assembly bandwidth, achieve, and potency specifications
Substrate built-in Antennas and Arrays offers important perception into the cutting-edge of SIC and SIW antenna applied sciences, providing examine valuable to the improvement of instant conversation base station antennas, moveable microwave point-to-point platforms, collision avoidance radars, conformal antennas, and satellite tv for pc antennas.
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Additional info for Substrate integrated antennas and arrays
3 SUBSTRATE INTEGRATED NONRADIATIVE DIELECTRIC GUIDE A rectangular dielectric slab sandwiched between two metallic plates can be used to synthesize the NRD guide. Its operating frequency range is determined by the spacing between the metallic plates. The slab width is also important to determine the operating bandwidth. 49 Configuration of a typical SINRD guide. 49, the SINRD guide  is an integrated and planar structure derived from the conventional NRD guide. Similar to the SIIG case, a material of the lower permittivity fills bilateral extents of the guiding channel.
2 at 23°C; CTE(sl) = –17 ppm/°C, CTE(sw) = –17 ppm/°C, CTE(so) = 48 ppm/°C, and CTE(se) = 31 ppm/°C). A conventional three-dimensional image guide is converted into a planar configuration and synthesized on the metallic plate from a dielectric substrate of the proper thickness. 40. The permittivity is effectively lowered by this airhole perforation of dielectric substrate at both sides of the guiding channel. Compared with microstrip line, strip line, and SIW structures, the SIIG in a high- permittivity substrate seems to be the transmission line with the lowest loss.
This finding is different from the previous conclusion of the SIW impedance but is consistent with the conclusion of the SIW electrical length. Furthermore, designers may focus on reducing or eliminating the performance variation of the SIW slot antenna versus temperature. The concept of temperature compensating is used as well. 1802 for –50 and 150°C, respectively. If so, the reflection of the slot antenna will be quasi-insensitive to temperature and the center frequencies of the slot antenna will remain unchanged at –50, 23, and 150°C.