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1 Introduction
The H-bridge cascade multilevel converter uses a method of connecting multiple power units in series to achieve high voltage output. Its output mostly uses a multi-level pha...[Details]
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On July 19, according to US media reports, a US official revealed that after confirming the strategic value of EUV lithography machines in the technology industry, the Biden administration has contac...[Details]
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Introduction Reaction time refers to the time required from the application of stimulus to the organism to the start of obvious reaction, that is, the time interval between stimulus and reaction. At ...[Details]
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On July 17, according to the website of the People's Government of Jiaxing City, Zhejiang Province, the total investment was 27.9 billion yuan! Jiaxing's "Thousands of Trillion" major projects wer...[Details]
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It’s the 70th anniversary of the founding of New China.
The past 70 years have brought remarkable achievements, especially the development of industrialization, which has brought about the rap...[Details]
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HMD Global has released the Android 11 schedule for Nokia phones. Strangely, the company quickly withdrew the schedule after publishing it. Foreign media speculated that perhaps someone enabled it to...[Details]
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introduction
Transformers are important equipment in power systems, and their operating stability directly affects the quality of power supply. Therefore, transformer operating status monitori...[Details]
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#include "reg51.h" #include "intrins.h" #define uint unsigned int #define uchar unsigned char #define long unsigned long typedef uchar BYTE; typedef uint WORD; sfr P1M1 = 0x91; //PxM1.n,PxM0.n...[Details]
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basic concept:
1. Sampling theorem, also known as Shannon sampling theorem, Nyquist sampling theorem: the sampling frequency must be greater than twice the highest frequency of the analog signal
2....[Details]
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/****When operating PCA9554A, you must pay special attention to the fact that before writing data in the main function, you must first use the function PCA9554A_Config(0x00) to write 0x00, otherwise ...[Details]
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On August 27, according to foreign media reports, a spokesperson for Waymo, Alphabet's autonomous driving division, said on Thursday that it has stopped selling laser detection and ranging (optical r...[Details]
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The motor inverter is a device that uses the on-off function of power semiconductor devices to convert the industrial frequency power supply into another frequency of electric energy control. Many ...[Details]
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Every era has its protagonist. If an enterprise's pioneering voice eventually becomes a public consensus, it will usher in a new era. 2020 is the beginning of a new decade, and it may usher in a ne...[Details]
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At CES2019 in January, many color TV manufacturers focused on exhibiting new 8K TVs , and the 8K TV camp continued to grow. In February, with the support of Foxconn and other companies and related de...[Details]
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On October 7, positioning technology expert TomTom (TOM2) announced that it has jointly developed a next-generation navigation solution with CARIAD, a subsidiary of the Volkswagen Group, and the fi...[Details]
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