Experimental phase plate employing a phase modulated active frequency selective surface
نویسندگان
چکیده
منابع مشابه
Active phase of frog's end-plate potential.
IT HAS BEEN CONSIDERED that the end-plate potential (e.p.p.) is generated by the brief ionic flux across the end-plate membrane and the later slowly declining phase of the e.p.p. is due to the dissipation of the charge along and across the muscle membrane. This consideration was supported by some authors. Kuffler (21) observed with a single nerve-muscle preparation that the later slowly decayin...
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If you believe this document infringes copyright then please contact the KAR admin team with the take-down information provided at http://kar.kent.ac.uk/contact.html Citation for published version Ghaffer, I Kiani. and Ford, Kenneth L. and Esselle, Karu P. and Weily, Andrew R. and Panagamuwa, C. and Batchelor, John C. (2008) Single-Layer Bandpass Active Frequency Selective Surface. Microwave an...
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A single-layer, bandpass, active FSS is presented. It shows good angle of incidence stability for TE incidence, at the operating frequency of 2.45 GHz. It is based on circular loop aperture with each unit cell having four PIN diodes. A novel method for dc biasing is used. About 12 dB average variation in transmission loss, between ON and OFF states, has been experimentally achieved at 2.45 GHz.
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Modulation index estimation is important in the demodulation and recognition of Angle Modulation (AM) signals which include Frequency Modulation (FM) and Phase Modulation (PM) signals. In this paper, we firstly analyzed the AM signals with baseband modulation types, such as monotone, PSK, FSK, in the time and frequency domains. Then, we established a unified mathematical representation for the ...
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ژورنال
عنوان ژورنال: Microwave and Optical Technology Letters
سال: 2010
ISSN: 0895-2477
DOI: 10.1002/mop.25484