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1 Introduction
With the demand for railway transportation in social and economic life and the continuous development of science and technology, the capacity of railway transportation is inc...[Details]
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On June 7, Xinxingji Technology Co., Ltd. (hereinafter referred to as "Xinxingji") announced that it had completed a Pre-A round of financing worth hundreds of millions of yuan. This round of financi...[Details]
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Going to CES 2023 with me is my colleague Lao Bai. This is actually not his first time to attend CES in Las Vegas. Before the epidemic in 2020, he and his colleagues came here to participate in CES r...[Details]
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In 2019, WM Motor’s cumulative sales reached 16,876 units, and the WM EX5 became the single model with the largest delivery volume among new car-making forces in 2019. However, compared with the 10...[Details]
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This is the circuit diagram of a stereo power audio amplifier using power IC LM4756. This IC is capable of providing dual output channels with 7W for each channel. Like other audio amplifier circui...[Details]
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If you are a "Battle Royale" game enthusiast, it may be a basic skill to identify the enemy's position based on their footsteps. As a result, many mobile phone manufacturers place special emphasis ...[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]
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July 18 news, according to foreign media reports, chip giant Intel has informed its customers that it will increase chip product prices by 10% to 20% in the second half of this year. Intel has repo...[Details]
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AC-DC switching power supply is also called primary power supply, which is a type of switching power supply. The principle of AC-DC switching power supply is to obtain a DC high voltage after obtain...[Details]
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Broadband Matching Design of RF Power Amplifier
In many remote communications, radar or test systems, the transmitter power amplifier is required to work in a very wide frequency range. For example...[Details]
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Zero stability
The zero point stability of low-frequency rectangular wave excitation instruments is good, while that of AC excitation instruments is poor. The reasons are:
1. Noise caus...[Details]
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introduction
At present, China has basically entered a new era of large power grids, large power plants, large units, high-voltage transmission, and highly automatic control. The power loa...[Details]
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According to a recent report by the Organization of Physicists, a research team from Nippon Telephone and Telegraph Corporation (NTT) wrote in the latest issue of Nature Photonics that they have deve...[Details]
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How to deal with pressure difference is still a hidden design difficulty. Moisture-proof and breathable design can enhance the reliability of LED lamps and extend their service life. Many commerc...[Details]
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On October 16, the second Midea Visionary Conference was held in Shunde, Foshan. Academician of the Chinese Academy of Sciences and professor of Huazhong University of Science and Technology Ding Han,...[Details]
Talking
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