Delta radar cross section (RCS) is an important parameter for the performance of passive
UHF RFID tag. It determines the bit error rate (BER) at reader side when the signal which …

Abstract (native): Este trabalho apresenta a tecnologia de Identificação por Rádio
Frequência (RFID), e tem como principal objetivo a definição de modelos que permitam a …

125kHz 射频卡读卡器的天线是射频卡读卡器的重要部分, 关系到射频卡读卡器的可靠性和
灵敏度. 首先对125kHz 射频卡天线的电流, 磁场理论进行简要的分析, 讨论读卡角度, 读卡距离 …

US PATENT DOCUMENTS 4,387.379 A 6, 1983 Hardie 4,780,724 A 10, 1988 Sharma et al.
4,978,965 A 12/1990 Mohuchy 5,268,701 A 12, 1993 Smith 5,914,695 A 6/1999 Liu et al …

Numerous developments are reported globally in conventional RFID technology in the ultra-
high-frequency (UHF) band. Following the standardization of ISO 18000-6C [1] by EPC …

É do conhecimento dos entendidos em vinhos, que a temperatura a que estes possam estar
sujeitos afecta significativamente a qualidade dos mesmos. Nesse sentido, seria útil ter …

The continuing reduction in size and power consumption of integrated circuits has led to an
increasing interest in the research and development of wireless sensor networks. The vision …

The Radio Frequency Identification Devices (RFID) systems were introduced as a solution
for identification of large volume of objects in a shorter period of time and replacement of …