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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]
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Conventional ECG recorders are one of the main means for doctors to diagnose heart diseases, but they can only record short heartbeats. In many cases, it is difficult to record ECG changes during a...[Details]
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The hardware circuit principle is shown in Figure 1. In the specific design, each part should consider the anti-interference problem to minimize the impact of interference on the performance of the...[Details]
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In the future, a complete automobile safety system must fully combine gyroscopes, accelerometers, steering wheel and brake pedal position detectors, and tire speed detection systems to accurately ...[Details]
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0 Introduction
At present, most of the automatic blood pressure monitoring systems used in hospitals are imported equipment, which are expensive and increase the cost of medical treatment. The...[Details]
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Abstract
: This paper introduces the general structure of the driver under the currently popular open source embedded operating system μClinux, as well as the connection between the touch scr...[Details]
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The full name of RFID is Radio Frequency Identification, which uses radio frequency to realize data transmission between programmable controller (PLC) or microcomputer (PC) and identification, ther...[Details]
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With the popularity of 3G network, some new laptops have built-in 3G wireless network cards, namely G3 laptops. For most users of relatively old computers, if they have a 3G wireless network card, ...[Details]
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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]
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The differential amplifier circuit uses the symmetry and negative feedback of the circuit parameters to effectively stabilize the static operating point. It is characterized by amplifying the diffe...[Details]
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introduction
Limited bandwidth and the increasing demand for new wireless services have paved the way for the adoption of new technologies in the communications field. These non-traditiona...[Details]
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IGBT Overview
1.1 Structural characteristics of IGBT
IGBT is a high-power, integrated "Insulated Gate Bipolar Transistor". It is a new type of composite electronic device develope...[Details]
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In the current international financial crisis, video surveillance is one of the few industries that has grown against the market trend. Market research firm ABI Research predicts that in 2009, two ...[Details]
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0Introduction
As a major component of intelligent transportation, vehicle navigation and positioning has become a recent research hotspot . As the global positioning system (GPS) has been ...[Details]
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The booming copycat phone market is enough to prove the strength and potential of the mobile phone market. However, these days, the news that Sony Ericsson will be split and Nokia's net profit fell...[Details]