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TD-SCDMA (Time Division Synchronous Code Division Multiple Access) is one of the three major standards for the third generation of mobile communications. It is a communication standard with indepen...[Details]
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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]
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1 Overview
Drugs are like a "double-edged sword". They can treat diseases but can also cause serious adverse consequences. The dual nature of drugs depends on whether they are used rationally....[Details]
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Digital signal processors have efficient numerical computing capabilities and can provide a good development environment, while programmable logic devices have highly flexible configurability. This...[Details]
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1 Overview
The BP01 pressure sensor is specially designed for monitoring blood pressure and is mainly used in portable electronic sphygmomanometers. It uses a precision thick-film ceramic chip and...[Details]
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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]
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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]
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Overview
Bioelectric signals are very weak, and there is strong interference when detecting them. Therefore, there are many technical difficulties in designing high-quality bioelectric ampli...[Details]
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With the development of automatic control technology, the application of precision air pressure generation and control technology is becoming more and more extensive. However, the traditional valve...[Details]
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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]
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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]
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In a Class D audio power amplifier, the preamplifier is a relatively important module. It is located at the front of the entire topology and completes the processing of the input signal source,...[Details]
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TMS320C62X is a new generation of high-performance fixed-point digital signal processor (
DSP
) chip
from Texas Instruments (
TI
). The software design problem based on
DSP
is to use...[Details]
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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]
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Abstract:
Aiming at the problems of repeated design and high cost of existing LED large-screen displays, a modular LED large-screen display is proposed, which can realize flexible configurati...[Details]
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