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Today's portable medical devices allow patients to diagnose and treat themselves, move around freely, and even use the devices when they are out and about. To achieve the "easy to carry" feature, po...[Details]

1 Introduction The multifunctional monitor is a commonly used clinical medical device. It can display the patient's electrocardiogram (ECG), respiration (RESP), blood oxygen saturation (SP...[Details]

With the advancement of computer technology, the development of image processing and pattern recognition methods, fingerprint processing technology has become more mature and has been widely used i...[Details]

As a branch of signal and information processing, digital signal processing has penetrated into various fields of scientific research, technological development, industrial production, national defens...[Details]

0 Introduction Today, with the rapid development of electronic technology and the emergence of new multifunctional electric energy meters, the choice of memory in the electric energy m...[Details]

introduction The data detected by various measuring instruments often need to be transferred to the PC for data processing and archiving, so as to make full use of the rich hardware and softwa...[Details]

This article first briefly introduces the working principles of current mode and voltage mode and their respective advantages and disadvantages; then discusses the ideal voltage mode using output c...[Details]

When using GPS for positioning, it will be affected by various factors. The factors that affect the accuracy of GPS positioning can be divided into the following four categories (see the figure be...[Details]

Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pres...[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]

Power semiconductors and reactive components (capacitors and inductors) are ubiquitous in today's electrical equipment. In normal operation, they can cause two undesirable side effects on the AC line ...[Details]

1. Basic circuit characteristics of power amplifier The basic circuit of the complementary symmetrical OTL power amplifier is shown in Figure ①. Among them: C1 is the signal input coupling ele...[Details]

0 Introduction With the continuous progress of society and the improvement of people's living standards, environmental protection and energy conservation have received more and more attention....[Details]

The growing global interest in green power has added new variables to the design of power supplies and power adapters. Designers must not only traditionally consider the design specifications requi...[Details]

1. Overview "The key to understanding the future of television is to stop viewing television as television. Thinking about television from the perspective of bits can bring it the greatest...[Details]