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New retail has become one of the hot words in recent years. Regarding what new retail is, Jack Ma once said that online, offline and logistics must be combined to give birth to real new retail; Lei J...[Details]
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With the implementation of the new national standards, electronic water meters have gradually come into people's sight. Ultrasonic water meters and their ultrasonic flow sensing technology, which repr...[Details]
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a. Keep the battery clean, wipe off the spilled electrolyte, contaminated dirt and dust in time; keep the poles and terminal clamps clean and in good contact, and apply vaseline or butter to preven...[Details]
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1 Focus of eNodeB Testing
The unique characteristics and technical advantages of the LTE system have realized the requirements of high speed, low latency and optimal grouping of the LTE system....[Details]
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1 Introduction
混合多电平逆变器的功率开关承受的电压应力不同,因此同一拓扑中可以采用不同的功率器件,充分利用了功率开关各自的优点。非对称h桥是混合多电平逆变器中最基本、最典型的一类拓扑,其半桥的功率开关可以分别工作在基频和高频pwm方式,与传统多电平逆变器相比,在输出相同电平数的情况下,减少了功率器件,降低了开关损耗[1,2]。本文首先对非对称h桥五电平逆变器进行了分...[Details]
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As the Skynet project is further extended to urban areas, communities, as an organic part of cities, are undergoing smart construction in full swing. my country's smart communities have gone through ...[Details]
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On April 28, 2022, Lite-On Technology (stock code: 688150), a leading company in the field of domestic OLED terminal materials, announced its 2021 annual report, achieving full-year operating income ...[Details]
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Several foreign media outlets recently broke the news that the U.S. Department of Justice and the Federal Trade Commission (FTC) will launch a new round of antitrust investigations into Google. After...[Details]
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Keywords Design and layout
of communication cabinets in UHV substations Abstract The layout of communication cabinets in UHV substations should be based on the final design of the substation, i...[Details]
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The day before yesterday, I learned about STM's Systick and found it quite useful for precise timing. When I used CVAVR before, I found that the delay.h in it was very useful. So, I used STM32's...[Details]
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Take JZ2440 development board as an example, burn the program to S3C2440. You can use dnw software to burn. Under Windows, the dnw driver is usually not installed well, and it is usually necessary to...[Details]
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As smart TVs enter thousands of households, the problem of startup ads of varying lengths, pre-implanted, and unable to be "turned off with one click" has increasingly become a pain point for consume...[Details]
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According to foreign media reports, in 2015, car designer Chunky Vazirani founded Vazirani Automotive in Mumbai, India. Three years later, the company showed the world the Shul electric supercar and ...[Details]
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Apple announced early this morning that it will hold a new product launch conference at 2 a.m. Beijing time on November 11. It is generally believed that this conference will be a "special" event for...[Details]
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Recently, Continental announced a strategic partnership with Nanochip at the China Technology Experience Day event it hosted. The two parties will jointly develop automotive pressure sensor chips.
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