Download Reconfigurable Antennas by J. Bernhard PDF

By J. Bernhard

Show description

Read or Download Reconfigurable Antennas PDF

Similar environmental books

Nonstationarities in Hydrologic and Environmental Time Series

Conventionally, time sequence were studied both within the time area or the frequency area. The illustration of a sign within the time area is localized in time, i. e . the worth of the sign at each one quick in time is easily outlined . notwithstanding, the time illustration of a sign is poorly localized in frequency , i.

Handbook of Coherent-Domain Optical Methods: Biomedical Diagnostics, Environmental Monitoring, and Materials Science

This guide offers entire insurance of laser and coherent-domain equipment as utilized to biomedicine, environmental tracking, and fabrics technological know-how. world wide leaders in those fields describe the basics of sunshine interplay with random media and current an summary of easy learn. the newest effects on coherent and polarization homes of sunshine scattered via random media, together with tissues and blood, speckles formation in a number of scattering media, and different non-destructive interactions of coherent mild with tough surfaces and tissues, permit the reader to appreciate the foundations and functions of coherent diagnostic recommendations.

Environmental Change and its Implications for Population Migration

Environmental switch regularly, and climatic switch particularly, are inclined to influence considerably upon assets resembling water and soils, reworking today's landscapes and their ecological features. in this case, disruptions of socio-economic actions in delicate areas of the globe could be anticipated in coming many years.

Additional info for Reconfigurable Antennas

Sample text

One example of an approach that would result in more economical reconfigurable antennas is the direct integration of switches and associated control lines during antenna fabrication. Several research groups have started along this path, but significant fabrication and design challenges remain, including development of fabrication processes that can deliver high–aspect ratio structures as well as development of new reconfiguration mechanisms that are both compatible with antenna structures and capable of efficient and reliable operation.

3328, pp. 147–155, 1998. , “A smart mechanically-actuated two-layer electromagnetically coupled microstrip antenna with variable frequency, bandwidth, and antenna gain,” IEEE Transactions on Antennas and Propagation, vol. 49, pp. 597–601, April 2001. , “Reconfigurable out-of-plane microstrip patch antenna using MEMS plastic deformation magnetic actuation,” IEEE Microwave and Wireless Components Letters, vol. 13, pp. 120–122, March 2003. , “Magnetic tuning of a microstrip antenna on a ferrite substrate,” Electronics Letters, vol.

Patch antenna with switchable slot (PASS): Dual frequency operation,” Microwave and Optical Technology Letters, vol. 31, pp. 165–168, November 2001. , “Reconfigurable patch-antenna design for wideband wireless communication systems,” IET Microwaves, Antennas & Propagation, vol. 1, no.  414–419, April 2007. , “Frequency agile microstrip antennas,” Microwave Journal, vol. 25, pp. 67–70, October 1982. , “A slot antenna with electronically tunable length,” Proceedings of the IEEE/URSI International Symposium on Antennas and Propagation, vol.

Download PDF sample

Rated 4.71 of 5 – based on 34 votes