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On January 29, at the sodium-ion battery industry chain and standards development forum, Huang Qisen, deputy director of CATL Research Institute, said that in terms of passenger car applications, sod...[Details]
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O Introduction
At present, technologies such as spread spectrum, ultra-narrowband communication, multi-carrier modulation, adaptive frequency hopping, and orthogonal frequency division multiplexing...[Details]
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Tube amplifier adjustment
The circuit of the tube amplifier (tube amp) is simpler than that of the transistor amp, and it is easier to make successfully. It also has a better music ...[Details]
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Ge Shu, Director of the Strategic Planning Department of the State Intellectual Property Office (Photo by Xu Xiang)
On July 18, at a press conference held by the State Council Information Of...[Details]
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Problems that should be paid attention to in the use of large-scale matrices in engineering
Large matrices all use a unified modular design, which has the following benefits: easy rep...[Details]
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This article summarizes some online discussions on the differences between J-Link, J-Trace, and Open JTAG, and also adds some of my own understanding.
J-Link, J-Trace, and Open JTAG are al...[Details]
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Introduction: At present, embedded systems are developing very rapidly, and the development of various applications based on ARM processors is in full swing. This is mainly due to the high cost perfo...[Details]
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On March 10, Espressif Systems disclosed its 2019 annual report. The company achieved operating income of 757 million yuan in 2019, a year-on-year increase of 59.49%; and achieved net profit of 159 m...[Details]
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On October 11, the 2021 Guangdong-Hong Kong-Macao Greater Bay Area Private Enterprise Science and Technology Innovation Summit and Private Enterprise Science and Technology Achievement Matchmaking ...[Details]
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Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on power b...[Details]
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Not long ago, CATL released the third-generation CTP Kirin battery. A major highlight of this battery system is that it enables a vehicle range of 1,000 kilometers. The driving range has always bee...[Details]
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The multimeter is a relatively precise instrument. If it is used improperly, it will not only cause inaccurate measurements but also be easily damaged. However, as long as we master the use methods...[Details]
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As the name implies, the oscilloscope silicone key is an oscilloscope key made of silicone raw materials. I believe that many people do not know what an oscilloscope is, because this thing is o...[Details]
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What is overmodulation?
Usually, the SVPWM we use is in the white inner circle in the figure above, and the output phase voltage amplitude can reach Vdc/sqrt(3). This area is called the ...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
Industrial Control Electronics
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