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ETC is not a new product, so why has it taken so long to become an "Internet celebrity"? "You can get through the station in three seconds, and the toll is 5% off. The equipment is free, and you ca...[Details]
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According to Jiwei.com news, the author has learned that Green Precision, a precision structural parts manufacturer, officially landed on the ChiNext on April 15. On the first day of listing, its sto...[Details]
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Mdev is a simplified version of udev that comes with busybox.
The function is to automatically generate the node files required by the driver when the system is started and hot-plugged or dyn...[Details]
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Introduction to transistor sound, digital sound and electromagnetic interference sound
Transistor sound
: People who have heard transistor amplifiers (discrete components) and in...[Details]
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"We developed a gesture recognition system using USB cameras, PXI hardware, LabVIEW, and NI Vision Assistant." - Yang Hao, Tsinghua University Challenge: Develop an interactive 360-degree stereoscop...[Details]
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Substations interconnect different voltage levels and form a critical link between transmission, distribution and consumption. Primary equipment such as power transformers, circuit breakers and disco...[Details]
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introduction
Metal magnetic memory detection technology has always had good application prospects since it was proposed, but the lack of theoretical research is the biggest bottleneck restricting...[Details]
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LED lighting is the development direction of the lighting field due to its own advantages such as high efficiency and energy saving. The traditional BUCK circuit used for LED driving uses electroly...[Details]
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Generally speaking, people think that the lower the price of home appliances, the more affordable it is. However, did you know that the manufacturing cost of some home appliances is not low, and cons...[Details]
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Use a voltmeter to measure the voltage across a certain component. The operation is shown in Figure 1(a). If the circuit other than the measured component is regarded as an active two-terminal networ...[Details]
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Pitot tube flowmeter structure The standard Pitot tube is made of two pipes with different inner diameters connected concentrically. The straight end joint of the inner pipe is a full pressure pi...[Details]
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According to IDC on August 7, the global automotive semiconductor market will exceed US$88 billion by 2027. As the value of semiconductors per vehicle continues to grow, the attention and importanc...[Details]
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Abstract: This paper introduces the composition and working principle of the variable speed constant frequency AC generator system on the McDonnell Douglas (MD) 90 aircraft.
The harmonic...[Details]
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LG's smartphone business has not been able to catch up with the leading smartphone brands. But the company is trying to close the gap with some new devices, such as the Wing flagship phone and the re...[Details]
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The engine electronic control system, also known as the engine management system (EMS), is a system that uses electronic technology to monitor and control the engine operation in real time. It coll...[Details]
Analog electronics
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