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Public transportation has strong advantages that cannot be matched by individual transportation. Giving priority to the development of urban public transportation systems is the best way to solve t...[Details]
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When the motor is running, I use a Fluke digital meter to measure the frequency of the inverter output terminals. Why is it that sometimes the frequency measured is several thousand Hz? This is bec...[Details]
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1. MMU definition: MMU is the abbreviation of Memory Management Unit. Its Chinese name is memory management unit. It is the control circuit used to manage virtual memory and physical memory in the c...[Details]
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In recent years, driven by the dual benefits of emerging technology market trends and China's policy support, the development of China's semiconductor industry has reached an unprecedented height. C...[Details]
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2015 is an important year for the development and popularization of LTE in my country. The three major operators have obtained 4G licenses and started planning, building and actually operating LTE n...[Details]
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Under the green travel trend brought by the electrification of automobiles, many safety issues have also attracted people's attention. Here we are not only talking about autonomous driving , but also...[Details]
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According to foreign media reports, Regulus Cyber, a supplier of smart sensor security solutions, has launched a pure software cybersecurity solution, Regulus Pyramid GNSS, designed to protect GNSS/G...[Details]
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I believe this article is also a HOWTO that is hard to find in China (until I wrote it). My original purpose was to use PHP on ARM. I tried Busybox's httpd and boa, but they couldn't easily interface ...[Details]
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IEC61850 is a configuration tool for substation automation systems, in which the Substation Configuration Description Language (SCL) is defined in the IEC61850-6 section. The SCL language is a spec...[Details]
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Abstract: Dual-tone multi-frequency (DTMF) technology is a reliable technology for rapid transmission of phone numbers in telephones. It is widely used in telephone communication systems and dat...[Details]
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/* Description:Use interrupt mode to send serial data Author:Jcy Date:2012-5-2 */ #include reg52.h #define uint unsigned int #define uchar unsigned char uchar receive_ser; //Data received by the...[Details]
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ps
: scape is a powerful physics library in , it can build various physical scenes such as mechanics, electricity, magnetic field, fluid, etc., and perform them in the form of physical...[Details]
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According to data released by South Korean market research institution SNE Research, in the first quarter of 2023, the global installed capacity of electric vehicle (EV, PHEV and HEV) batteries was 1...[Details]
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Homemade LED electronic clocks can be seen in many electronic newspapers and magazines, but most of them need to reset the time and other parameters after power failure, which brings a lot of inconv...[Details]
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TechInsights released the "Automotive Industry Outlook 2025" report, pointing out that the automotive industry will present several transformative trends next year, including the rise of electric v...[Details]
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