期刊
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
卷 10, 期 -, 页码 520-523出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2011.2157299
关键词
Continuous Wavelet Transform (CWT); radio frequency identification (RFID); ultrawideband (UWB)
资金
- Spanish Government [TEC2008-06758-C02-02/TEC]
The basic theory of operation of ultrawideband radio identification systems is explained in this letter. An experimental setup based on an ultrawideband radar working as a reader is proposed to measure time-coded tags. A method based on the Continuous Wavelet Transform is developed in order to overcome detection problems associated to a low signal-to-noise ratio at the receiver. Experimental results obtained with the ultrawideband radar and using an ultrawideband antenna connected to a delay line to emulate a tag are presented. A good improvement is achieved with this processing method.
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