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A ventilator is an instrument that can replace or assist a person's respiratory function. It is suitable for artificial respiration of patients with respiratory failure or even respiratory arrest. I...[Details]
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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]
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Implantable Cardivoerter Defibrillators (ICDs) have been in common use for several years. ICDs apply a high voltage pulse between two electrodes connected to the heart, which detects cardiac fibrillat...[Details]
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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]
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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]
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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]
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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]
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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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AD8205 is a single-power high-performance differential amplifier launched by Analog Devices, Inc., USA. The typical single-power supply voltage is 5V, and its common-mode voltage input r...[Details]
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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]
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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]
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1. Overview:
Electronic sphygmomanometers are currently widely used and promoted due to their advantages such as non-invasiveness, simple operation, and portability. There are many methods...[Details]
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The dual-field-of-view infrared optical system can simultaneously provide two images with different magnifications and fields of view. The large field of view in the system has a lower resolution a...[Details]
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1 Introduction
Peer-to-peer (P2P) technology is a hot topic in the field of international computer network technology. The prototype of this technology was created in the 1970s, with UseNe...[Details]
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1 Introduction
"Power Electronics Technology" is an important professional basic course. In teaching, the working principles of rectification, chopping and other circuits are understood by...[Details]