BU1924

UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]

1. Introduction At present, with the continuous development of modern medical devices, especially electronic instruments directly connected to the human body, in addition to the increasingly high...[Details]

introduction At the beginning of this century, Veit used Einthoven's galvanometer to record the electrical activity of the human pregnant uterus from the body surface for the first time. In 19...[Details]

Sensors have made inroads into automotive, medical, industrial and aerospace applications. But you may not see anything changing yet. Growing demands for safety, convenience, entertainment and efficie...[Details]

0 Introduction SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]

introduction The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]

introduction In engineering practice, ultrasonic waves are often used to measure distances because of their strong directivity, slow energy consumption, and long propagation distance in th...[Details]

1. Introduction The balance ability of human beings is the basis for people to carry out various sports. People need balance ability to stand, sit, lie down and walk . Once ...[Details]

1. Introduction With the rapid development of modern computer technology and Internet technology, embedded systems have begun to occupy the mainstream of the market. Due to the high ...[Details]

1. Introduction The current information age is an era built on the basis of the network. IP networks based on TCP/IP protocols, such as Internet, Intranet and Extranet, are developing with...[Details]

With the development of science and technology, the improvement of living standards and the acceleration of the pace of modern cities, people are increasingly pursuing more convenient, practical an...[Details]

1 Introduction Rectifier circuits, especially single-phase bridge controlled rectifier circuits, are the most important and widely used circuits in power electronics technology. They are n...[Details]

The challenge facing today's automotive electronics engineers is to build low-cost, fail-silent automotive systems that work even when they fail. Braking, steering, and other vehicle stability cont...[Details]

In view of the fact that a single ordinary type of fire detection alarm can no longer meet the demand, the use of multiple sensors to comprehensively collect various abnormal information before a f...[Details]

0 Introduction A manipulator is a mechatronic automatic device that can simulate human arm movements and replace human hands to grasp, move workpieces or operate tools according to set pro...[Details]