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Medicines are special commodities. If patients are given the wrong medicine, fake medicine, inferior medicine or expired medicine, it will pose a threat to people's health and lives. In recent...[Details]

Medical and industrial applications often require isolation voltages of 2500Vac or higher for patient and equipment operator safety. The isolation barrier must not only transmit power to the sensin...[Details]

Preface Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]

Many medical applications require portable, self-powered devices that do not require external power and data cables. The most obvious example is a portable data logger that patients carry with them to...[Details]

Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m～1kHz), audio (20Hz～20kHz), video (20kHz～10MHz), radio fre...[Details]

Abstract: Based on the research of the communication process between the reader and the RFID tag, combined with the EPC C1G2 protocol and ISO/IEC18000.6 protocol, a digital circuit of RFID tag appl...[Details]

introduction Cars are becoming an indispensable part of people's lives. However, what worries car users is that the theft of cars is increasing year by year. This paper aims to design a conven...[Details]

Preface In recent years, many compact portable electronic products have been developed, such as mobile phones, digital cameras, MP3, MP4, PDA, GPS and DVD, etc. They are not only small in size...[Details]

1. What is fading? In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]

1 Introduction Generally, when transmitting information over short distances through electrical signals, baseband signals can be directly transmitted. However, over long distances, baseban...[Details]

Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communication technology since the advent of digital communications. Many new wir...[Details]

With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[Details]

Abstract: QT1101 is a QTouch charge transfer (QT) device, a complete digital controller that can detect signals when approaching or touching up to 10 independent keys. It can be widely used i...[Details]

Mesh network architecture and advantages The Internet is a flat network. The routers that make up the Internet are on the same plane. The mesh network formed by multiple paths between ...[Details]

Focus shift problem Visible light and infrared light have different wavelengths, so the imaging focus is not on the same plane, which results in a clear image under visible light condition...[Details]