Category: RF/IF and RFID
What are the key properties of circularly polarized waves in electromagnetic systems?
* Question
What are the key properties of circularly polarized waves in electromagnetic systems?
* Answer
Circularly polarized waves are a specia [...]
What is the title of IS0/IEC l4443 international standard?
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What is the title and scope of the ISO/IEC 14443 international standard?
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The ISO/IEC 14443 international standard is titled:
[...]
What are the advantages of the MC68HC05SC series chip used in smart cards?
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What are the advantages of the MC68HC05SC series chip used in smart cards?
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The MC68HC05SC series, developed by Motorola (now [...]
What is the ALOHA algorithm?
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What is the ALOHA algorithm?
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The ALOHA algorithm is a random access protocol used to manage how multiple users share a common [...]
What is the structure of a short frame, and what fields does it contain?
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What is the structure of a short frame, and what fields does it contain?
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In digital communication systems, a frame is a struc [...]
What are the characteristics of low frequency and high frequency RFID antennas?
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What are the characteristics of low-frequency (LF) and high-frequency (HF) RFID antennas?
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RFID (Radio Frequency Identificatio [...]
What is the basic principle of face recognition technology?
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What is the basic principle of face recognition technology?
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Face recognition technology is a biometric identification method [...]
What is the principle of parameter testing in COS functional testing?
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What is the principle of parameter testing in COS functional testing?
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In Chip Operating System (COS) functional testing, para [...]
What are the two main positioning methods used in RFID systems?
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What are the two main positioning methods used in RFID systems?
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In RFID (Radio Frequency Identification) positioning, two mai [...]
What are the main standards for microwave RFID?
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What are the main standards for microwave RFID?
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IS0 10374, IS0 18000-4 (2.45 GHz), IS0 18000-5 (5.8 GHz), ANSI NCITS 256 [...]
