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随着计算机性能的提高及通信量的聚增,传统局域网已经越来越超出了自身负荷,交换式以太网技术应运而生,大大提高了局域网的性能。网络交换机能显著的增加带宽,可以建立地理位置相对分散的网络。局域网交换机的每个端口可并行、安全、实时传输信息,而且性能稳定、结构灵活、易于安装、便于管理,能很好地满足企业网和电信运营商宽带接入的需求。
1 网络交换机的硬件设计
随着人们对网...[Details]
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Siemens S7-200 smart and S7-1200 are two PLC product series launched by Siemens for industrial automation control systems. Although they both belong to Siemens' S7 series, there are some difference...[Details]
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According to foreign media reports, the US Patent and Trademark Office has announced a patent related to Apple's Titan project that can help self-driving cars change lanes safely. (Image source: h...[Details]
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Digital multimeter (
DMM
) is a measuring instrument that uses the principle of analog/digital conversion to convert the measured quantity into digital quantity and display the measurement result...[Details]
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New energy storage refers to energy storage technologies and products that output electrical energy as the main form in addition to pumped storage. It is based on new batteries and other energy storag...[Details]
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China has issued 5G commercial licenses, and 5G construction has further heated up. According to a recent interview, Shenzhen's 5G network scale ranks among the top cities in the world, and abo...[Details]
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It is very difficult to use LDO to realize the low-voltage and high-current power supply required by PC motherboards, and the use of PWM circuits requires the use of more components and requires a la...[Details]
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The successful application of artificial intelligence (AI) in business scenarios is constantly breaking through people's existing imagination. From the advancement of edge AI and computer vision tech...[Details]
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Recently, Seoul Semiconductor announced that it had won a patent infringement lawsuit against LED manufacturer Everlight in Germany. Everlight Electronics said that it is currently appealing... Re...[Details]
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The InfiniiVision 3000 X-Series offers an entry-level price point with exceptional performance and optional features not available in its class. Agilent's breakthrough technology delivers more oscill...[Details]
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This paper analyzes the problem of poor input current tracking input voltage of dual parallel boost three-phase PFC rectifier based on single cycle control technology when the grid voltage is asymmetr...[Details]
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On March 9, the Changsha High-tech Zone 2021 Conference on Promoting High-quality Development and Policy Implementation was held, and real money was used to implement policies that benefit enterprise...[Details]
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Recently, Zhiji Auto officially launched its first 11kW high-power vehicle intelligent wireless charging solution. At the same time, the installation art charging pile designed by Thomas Heatherwick, ...[Details]
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On November 14, Qualcomm announced the launch of two connectivity modules, QCC74xM and QCC730M, for IoT applications such as smart homes and smart appliances. These two modules are now available fo...[Details]
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After winning the "Most Ingenious Product Award in the Photovoltaic Field" in September, CRRC Zhuzhou Institute won the "2017 Industrial and Commercial Distributed Photovoltaic Inverter Gold Award"...[Details]