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0Introduction
In oil drilling, accurate measurement of wellbore posture is the premise of wellbore trajectory control. To this end, this paper fully combines the advantages of single-chip ...[Details]
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The microwave multifunctional therapeutic device uses microwave radiation for heating treatment, which can achieve the effects of sterilization and blood circulation. Using microwaves to directly c...[Details]
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Fieldbus is an open, digital, multi-point communication control system local area network, and is one of the most promising technologies in today's automation field. CAN bus is a hot application in fi...[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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In the past one or two years, driven by Apple's iPhone, the smartphone market has expanded rapidly. An important feature of portable products such as smartphones is that they have more and more fun...[Details]
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0 Introduction
With the release of the "Elevator Supervision and Inspection Regulations", new requirements have been put forward for the inspection quality of elevators by inspection agenc...[Details]
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Low-frequency induction communication is to generate a certain alternating current in the transmitter after the data to be transmitted is modulated by a low-frequency carrier, amplified by the...[Details]
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O Introduction
Semiconductor laser (LD) is a solid light source. It has been widely used due to its advantages such as good monochromaticity, small size, light weight, low price and low po...[Details]
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Historically, GPS receiver designers have combined simulation and drive testing to determine receiver performance in complex environments. While GPS signal simulation provides a repeatable signal s...[Details]
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SiN is widely used in semiconductor technology. The main properties that make SiN an important dielectric are its low leakage current and high breakdown voltage. As ultra-large scale integration (U...[Details]
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The application of security video surveillance system has brought a great effect on the safety of various industries and places in society. Therefore, ensuring that the video surveillance system is...[Details]
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Overview
In order to further improve the management level of star-rated hotels, fully implement quality management, improve guest satisfaction, grasp overall information, make scientif...[Details]
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1. Application and advantages of network storage in security video surveillance
The development of security video surveillance technology can be summarized into three steps: analogization,...[Details]
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1 Introduction An analog integrated operational amplifier implements a second-order Filters, high-order filters can be formed by connecting second-order filters in series. However, passive co...[Details]
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introduction
As the functions of consumer electronic products become increasingly complex, it is no longer a new thing to transplant or solidify real-time operating systems in them, such as mo...[Details]
Embedded System
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