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In view of the current serious fatigue driving behavior, a fatigue driving detection device was developed. An infrared emitting diode and two infrared receiving heads are installed on the front of the...[Details]
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The new architecture will allow GM to respond to the market more flexibly and quickly. On March 4, US time, GM released its third-generation pure electric vehicle architecture platform BEV3 and ...[Details]
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Transmission line theory knowledge
Transmission line theory is essentially a distributed parameter circuit theory. Transmission lines can be used as transmission media, and can also be used ...[Details]
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Recently, Huawei released the P30 series of mobile phones, among which the P30 Pro refreshed the Dxomark mobile phone score to 112 points, which also made the top three places in the list occupied by...[Details]
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1. Basic knowledge of DS18B20 The DS18B20 digital thermometer is a 1-Wire device produced by DALLAS, which has the characteristics of simple circuit and small size. Therefore, it is used to for...[Details]
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In recent years, with the rapid development of LED production technology, the brightness of LEDs has increased and their lifespan has been extended. In addition, the production cost has been grea...[Details]
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1. When using the variable frequency dielectric loss tester, the ground terminal of the instrument must be reliably grounded.
2. Only when the power of the variable frequency dielectric loss test...[Details]
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Host: Gentoo Linux 11.2 with linux kernel 3.0.6
Hardware platform: FL2440 (S3C2440) with linux kernel 2.6.35
MTD (memory technology device) provides an abstract interface between the hardware and f...[Details]
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1. Introduction
In modern rail traction, asynchronous motors have gradually replaced DC motors and become the main type of motors for rail traction. In order to obtain better AC speed regulation per...[Details]
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In some occasions of practical applications. For example, in the intermediate frequency amplifier of radio and TV receiver, the spectrum of the signal flare is concentrated in a narrow range aroun...[Details]
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1. Servo motor
Servo motors can control speed and position with high accuracy. They can convert voltage signals into torque and speed to drive the controlled object. The rotor speed of the ser...[Details]
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The 2023 World Manufacturing Conference Photovoltaic (Energy Storage) Industry Supply and Demand Forum was held in Chuzhou. The meeting provided an in-depth analysis of the supply and demand statu...[Details]
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In thermal production, the water supply, water supply pressure, furnace required air volume, air pressure, etc. are regulated by frequency conversion control. Compared with traditional methods, it ...[Details]
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Recently, agricultural technology startup Zordi has announced that it has successfully obtained US$20 million (about RMB 150 million) in financing. The well-known VC Khosla Ventures participated in...[Details]
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On October 15, the Sichuan Provincial Department of Economy and Information Technology issued an announcement, publicizing the list of 25 new industrial tracks to be recognized in Sichuan Province ...[Details]
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