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Abstract: This article describes in detail the measurement methods of harmonics, voltage fluctuations and flicker of electrical equipment and the key points of related technical standards.
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1 Introduction
Base stations, or public mobile communication base stations, are a form of radio stations, which refer to radio transceiver stations that transmit information to mobile phone ...[Details]
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Library Contains #include reg51.h is a basic library that all 51 programs must include. It contains the mapping of SFR (special registers). For example, P2^2 should be a binary address according to...[Details]
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Recently, technicians from the Key Laboratory of Industrial Internet of Things and Networked Control of the Ministry of Education at Chongqing University of Posts and Telecommunications demonstrated ...[Details]
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This detector uses the photoelectric method to detect the distribution and density of underwater silt. It has the characteristics of small size, low power consumption, strong safety, high accuracy, ...[Details]
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The National and Local Jointly-built New Energy Storage Innovation Center (hereinafter referred to as the Energy Storage Innovation Center) is located in Guangzhou, Guangdong Province. It is led by Ch...[Details]
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In this article, we further study the use of independent buttons and use digital tubes to display the status of the buttons. The main code of this experiment is shown below. main() { for(n=0;n ...[Details]
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Cadence Design Systems (NASDAQ: CDNS) successfully held the Cadence China User Conference - CDNLive 2019 in Shanghai today! CDNLive is an annual global user conference held by Cadence. The theme of...[Details]
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Following the announcement of the front-facing photo of Meizu 17, Meizu Mobile officially released the back photo of Meizu 17 this morning. Judging from the poster, the Meizu 17 has a h...[Details]
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The three-phase high-power compensated voltage stabilizer SBW-200KVA with input 415V and output 415V produced by Shanghai Guanduo Electric Co., Ltd. is exported to New Zealand.
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1. The process pipeline has a large diameter, which requires the flow meter to have as little pressure loss as possible. Generally, the method of local pipe reduction is not used to increase the flow ...[Details]
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According to MacRumors today, Apple released the third developer preview of macOS Big Sur 11.3 to developers today. This update was released two weeks after the second preview and one month aft...[Details]
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1. Use proteus to draw a simple circuit diagram for subsequent simulation 2. Programming /*********************************************************************************************************...[Details]
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Guangdong Province recently issued the "Opinions on Cultivating and Developing Strategic Pillar Industry Clusters and Strategic Emerging Industry Clusters", proposing to form a 200 billion-level chip...[Details]
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October 16, 2024 -
In the wave of global digital transformation and the rise of big models, the global computing power industry is gradually shifting from being centered on computing units to b...[Details]