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With the development of information technology and the deepening reform of medical and health care, the implementation of the National Golden Health Project has greatly accelerated the process of h...[Details]
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Nokia recently announced a new milestone in its 5G achievements in the past year. On September 6 last year, Nokia and its partner Verizon pioneered the industry's first end-to-end air transmission on...[Details]
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1. Instrument Model N5244A Network Analyzer 2. Fault phenomenon: The instrument has the Unleveled source 1 synthesizer phenomenon 3. Testing process: Performing internal self-test found Unleveled sou...[Details]
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This code uses Proteus simulation, uses 51 single-chip microcomputer to simulate PWM, uses timer to obtain motor speed information, uses PID algorithm to control speed, speed, P, I, D can be set wi...[Details]
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As automotive camera technology evolves to higher resolutions, dynamic ranges, and frame rates, power architectures need to be tailored to the specific use case requirements. In this article, I will ...[Details]
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0 Introduction
GPRS (General Packet Radio Service) is a wireless transmission method developed using the concept of packet switching. The GPRS network is implem...[Details]
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ASTM Method B539 "Measurement of Contact Resistance of Electrical Connections" and MIL-STD-1344 Method 3002 "Contact Resistance at Low Signal Levels" are two methods commonly used to measure contac...[Details]
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After three years of epidemic, the first A-class auto show in 2023 - Auto Shanghai (Auto Shanghai) kicked off with much attention. New forces have sprung up like mushrooms after a rain to compete w...[Details]
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At present, everyone in the auto parts industry is very familiar with the LV standard, but they suddenly discovered that no new standard has been released since 2017, the original version has also st...[Details]
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As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
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The capacitor is connected to a high level at the top, the resistor is connected to the ground at the bottom, and the middle is RST. The working principle of this reset circuit is: when the power is ...[Details]
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What is a hard PLC? Strictly speaking, a hard PLC is a hardware or a dedicated ASIC chip that implements the execution of PLC instructions. A soft PLC uses some general-purpose CPUs or MCUs to impl...[Details]
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Green development is the background of high-quality development, and new quality productivity itself is green productivity. This year's government work report will strengthen ecological civilization c...[Details]
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Getting Started iBeacon Overview iBeacon, introduced in iOS 7, is an exciting technology that enables new location-aware applications. Using Bluetooth Low Energy (BLE), a device with iBeacon technolo...[Details]
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Integrated trigger circuit for three-phase fully controlled bridge rectifier circuit
Figure 2-46 is an integrated trigger circuit of a three-phase fully controlled bridge rectifier circuit, whic...[Details]