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Abstract: A new type of dynamic voltage restorer (DVR) based on flywheel energy storage is proposed, which can compensate for deep voltage sags. High-power and high-energy storage flywheel energy s...[Details]
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In the automobile fuel system, the carbon canister solenoid valve is a vital component, which plays a key role in controlling the emission of volatile fuel vapor and maintaining fuel economy. The c...[Details]
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In the railway system, in order to ensure the safe operation of the train, it is necessary to conduct real-time detection of the rails and surrounding conditions. The current meth...[Details]
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Here is a cheap hearing aid that helps people with hearing loss. The hearing aids available in the market are very expensive. Here is a cheap hearing aid circuit that works using only four transist...[Details]
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High efficiency and energy saving, high comfort and high safety are the three major goals pursued by modern automobile technology. As an important subsystem of automobiles, the electric power steering...[Details]
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ADI's ADP1650 is a small, efficient white light flash driver for high-pixel camera phones that improves the quality of pictures and videos in low-light environments. The device integrates a program...[Details]
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On March 30, blogger @数码闲聊站 broke the news that Motorola is testing the Snapdragon 8 Plus flagship processor, and this new flagship will debut in Q2 this year. @Digital Chat Station said tha...[Details]
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Migration environment Host development environment: Ubuntu 12.04 BootLoader:u-boot-1.1.6 kernel:linux-2.6.30.4 CPU:s3c2440 Development board: TQ2440 Transplantation steps The IIC bus driver already...[Details]
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1. Definition of IQE, LEE and EQE First, the definitions and expressions of the internal quantum efficiency (IQE: Internal Quantum Efficiency), light extraction efficiency (LEE: Light Extracti...[Details]
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LED display is a high-tech engineering product that integrates electronics, electricity, computers, communications, information, image processing, optics, materials, structures and other multidisci...[Details]
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Everlight Group's solar company Everfang Energy announced today that the company's high-concentration solar cell module conversion efficiency has reached 32.02%. This world record solar module effi...[Details]
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An oscilloscope is a time-domain measuring instrument that tests the change of signals over time and voltage waveforms. It is similar to a spectrum analyzer in that it can perform FFT, which is equiv...[Details]
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This article takes a flyback switching power supply as an example to explain the generation and propagation mechanism of its conducted common-mode interference. Based on the idea of balancing the a...[Details]
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Anyone who has used an oscilloscope will find that most oscilloscopes with a bandwidth of more than 200M have two input impedances to choose from. One is the common 1MΩ, and the other is the 50Ω th...[Details]
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Traditional off-line switch-mode power converters produce non-sinusoidal input currents with high harmonic content. This can stress power lines, circuit breakers, and power utilities. In addition, har...[Details]