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In the civilian market, most of the existing airborne pod gyro stabilization systems in China use analog servo controllers, which have many defects, such as large size, bulky, easy to drift, diffic...[Details]
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Working principle: This machine adopts self-excited oscillation mode. Transistors BG1-4, BG5-8 and T1, T2, D1 and R1 form the front-stage high-frequency self-excited oscillator. The high-frequency hi...[Details]
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Abstract: This paper introduces an intelligent automatic security system for university laboratories based on GSM and LPC2138. The system uses the high-performance ARM microprocessor LPC2138 as the...[Details]
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A photodetector is a device that can convert light radiation into electrical quantity. It can use this characteristic to perform display and control functions. Photodetectors can replace human eyes...[Details]
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Digi-Key Electronics, the global distributor of the broadest and fastest-shipping electronic components in stock, has released a new video series titled “Supply Chain Transformation,” which shows how...[Details]
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There are three main ways to dissipate heat: conduction, convection and radiation. For bulbs and spotlights, conduction plays the most important role. In order to achieve good heat conduction effects...[Details]
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introduction
The wireless communication industry is constantly advancing innovation. WCDMA, WiMAX, MIMO and 4G all require enhanced performance. Performance enhancement, while providing gr...[Details]
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The BLDC motor sensorless square wave drive solution based on NXP LPC845 supports sensorless high-speed motors with square-wave back EMF. The motor speed can reach up to 73,000 RPM (electronic spee...[Details]
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If the first technological upgrade is likened to a battlefield, it is not difficult to find from the evolution of Wi-Fi that each generation has its own "war". With the launch of the Wi-Fi 6 certif...[Details]
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Generally speaking, except for the flashlight developed by Da Vinci that can generate electricity by shining a flashlight, most solar cells in the world need direct sunlight to generate electricity...[Details]
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As the world energy crisis intensifies and the era of fossil energy crisis comes, the cost of energy use is facing rising pressure. Countries around the world are seeking solutions to the energy cri...[Details]
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It is very convenient to generate PWM with STM32. You only need to set the timer to generate it immediately! Of course, simple settings are also troublesome for novices, mainly including:
(1) E...[Details]
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The network analyzer was developed on the basis of the four-port microwave reflectometer (see standing wave and reflection measurement). In the mid-1960s, it was automated, using a computer to correc...[Details]
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With the implementation of a series of national key projects, the industrial automatic control system device manufacturing industry has received increasing attention and support from the government. ...[Details]
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In October, in the late autumn season in Yizhuang, Beijing, the air is particularly cold.
At the same time, the exhibition hall at the World Intelligent Connected Vehicle Conference wa...[Details]