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Research firm Canalys today released a report on the smartphone market in mainland China for 2021 and the fourth quarter. The report said that in 2021, the smartphone market in mainland China e...[Details]
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According to foreign media reports, on July 24, local time, Omnitracs, a leader in fleet management solutions for global transportation and logistics companies, announced a technical collaboration wi...[Details]
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South Korea’s LG Chem Ltd has signed a preliminary deal to build an electric vehicle battery factory in China, the world’s largest auto market, by the end of next year, a bet that China will lead a...[Details]
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The function of the crankshaft position sensor is to determine the position of the crankshaft, that is, the angle of rotation of the crankshaft. It usually works with the camshaft position sensor t...[Details]
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Summary The TPA6132A2 provided by TI has been widely used in mobile devices such as mobile phones due to its high signal-to-noise ratio of 100dB, low distortion of 0.01%, excellent ability to elimin...[Details]
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1 Introduction to Elevator Control Elevators are important means of transportation in modern buildings that are related to the safety of people's lives and property. How to improve the operating eff...[Details]
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News on the evening of May 24, at today's Redmi 11T series launch conference, Xiaomi Mi Band 7 was also released. Compared with the previous generation, this product can be said to be a major...[Details]
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Whether you like it or not, no one can deny that Tesla is the pioneer and spokesperson of smart electric vehicles. So, what will Apple Car be? Is it a safer, smarter, more advanced Tesla, or somethin...[Details]
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Amazon, Microsoft, Snap, and NTT Docomo deploy NVIDIA AI; NVIDIA Riva and Merlin become generally available; NVIDIA AI Enterprise 2.0 supports all major data centers and clouds; NVIDIA AI Accelerat...[Details]
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After obtaining the number of new energy passenger vehicle certificates in December 2019, we have an understanding of the overall situation last year, and the corresponding Tesla's full-year delivery...[Details]
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summary: Personal computers (PCs) have been widely used, and the USB interface has become one of the standard peripheral interfaces on PCs. On the other hand, portable devices such as mobile phones,...[Details]
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Clock configuration and distribution The crystal oscillator frequency of tq2440 is 12MHz. There is the following statement in uboot: #define S3C2440_CLKDIV 0x05 /* FCLK:HCLK:PCLK = 1:4:...[Details]
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1. Classification Digital tubes are divided into common anode digital tubes and common cathode digital tubes. A digital tube is actually an 8-segment light-emitting diode. By lighting up only a fe...[Details]
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Compiled from semiwiki RF and microwave design is no longer limited to a handful of defense and aerospace electronics engineers huddled in dark cubicles working with spreadsheets and primitive circ...[Details]
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This book starts with introducing various conventional matrix parameters of two-port networks, and introduces the most effective scattering parameter system (S parameter) from user RF to microwave fr...[Details]
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