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Blood pressure is one of the important physiological parameters of the human body. Accurate measurement of it is conducive to early detection and identification of hypertension types, and to the pro...[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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Obtaining real-time and reliable traffic information has always been a bottleneck problem in the development of intelligent transportation systems. The establishment of an intelligent transportatio...[Details]
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introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its excel...[Details]
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Abstract: By controlling the supply voltage of the radio frequency (RF) power amplifier (PA) in a CDMA/WCDMA cellular phone, the PA efficiency can be improved, heat generation can be reduced, and t...[Details]
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The discipline of HHCE (Home Health Care Engineering) is gradually entering people's lives as people pay more attention to health and telemedicine develops. It advocates the concept of "seeking m...[Details]
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In the WTK22wtklibdevicesDefaultColorPhoneDefaultColorPhone.properties file in the WTK directory, there is a line touch_screen=false. Change it to true.
MIDP2.0 has three touch screen methods:...[Details]
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Abstract: CC2420 is a 2.4GHz RF chip introduced by Chipcon that complies with the IEEE 802.15.4 specification. It is used to develop ZigBee devices and products for PAN networks such as industrial ...[Details]
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When it comes to ATX power supply, people will think of two "classic" ICs: pulse width modulation chip TL494 and voltage comparator LM339. The new dedicated control chip AT2005B has the functions ...[Details]
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Focus shift problem
Visible light and infrared light have different wavelengths, so the imaging focus is not on the same plane, which results in a clear image under visible light condition...[Details]
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1.AVI
The full name in English is: Audio Video Interleaved. People are very familiar with the AVI format, which is also very common in daily life, and the video quality is also very good. ...[Details]
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1 Introduction
Under the current situation of power shortage in my country, it is very important to monitor power to ensure safe use of power. The research and transformation of power grid...[Details]
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Abstract: This paper proposes a method of mine environment detection using wireless sensor networks, and gives the network framework, topology and network protocol of wireless sensor networks suit...[Details]
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DigRF is poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices: analog signaling, and proprietary digital signaling (parallel or serial) for...[Details]
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introduction
Laser Doppler displacement measurement technology has the characteristics of high precision, high signal-to-noise ratio, fast dynamic response, good linearity, strong anti-int...[Details]
Embedded System
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