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1 Principle of Fast Fourier Transform
The Fourier transform
of a non-periodic continuous-time signal x(t)
can be expressed as
The calculated value is ...[Details]
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Since the beginning of this year, Beijing has accelerated the implementation of a number of major scientific and technological innovation and high-end industrial projects. Among the 100 projects that...[Details]
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The 2020 World Semiconductor Conference with the theme of "Open Cooperation, World with One Chip" was held in Nanjing. At the meeting, Mr. Yu Xiekang, Vice Chairman of the China Semiconductor Indus...[Details]
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Cree Inc. and STMicroelectronics (ST; NYSE: STM), a leading global semiconductor supplier across multiple electronic applications, announced on the 19th that the two parties will increase the total p...[Details]
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1 Introduction
SD card (Secure Digital Memory Card) is a new generation of memory based on Flash. It focuses on the security, capacity and performance of data storage. It is an ideal external ...[Details]
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On the afternoon of October 23, Huawei Developer Conference 2021 was officially held in Dongguan. At the "Songhu Dialogue" forum this afternoon, Wang Chenglu, President of Huawei Consumer BG AI...[Details]
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Rendering of Hydrostor's Silver City advanced compressed air energy storage project. Image: Hydrostor
Three utility-scale long-duration energy storage (LDES) projects ha...[Details]
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The whistleblower blogger @Shadow_leak released a rendering of a new phone and said that this is the flagship vivo NEX 5 that will be released in February. According to the exposed renderings, the ...[Details]
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There are only a few ways to measure liquid level in industry: 1. Submersion type; 2. Ultrasonic; 3. Radar; 4. Pressure transformer type; Each of the above forms has its own advantages: 1. Let's ta...[Details]
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In today's information age, as people's requirements for system performance and cost control continue to increase, embedded systems have gained more and more favor with their excellent cost-effecti...[Details]
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There is always input when there is output. Today, let's test the function of the button. The registers related to the GPIO port have been discussed in the first section, so I won't repeat them here....[Details]
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SRAM Data Memory The ATmega128 supports two different SRAM configurations, as shown in Table 1. Figure 9 illustrates how the ATmega128's SRAM memory is organized. The ATmega128 is a complex micro...[Details]
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The size of the distributed capacitance of the filter inductor of the switching power supply voltage input circuit has a great influence on the EMC index, so it is also necessary to have a full under...[Details]
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Many audiophiles have a certain understanding of burn-in. After buying new headphones, they will play some common burn-in music to burn them in. Some friends also use burn-in software to effectivel...[Details]
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According to foreign media reports, Ceer, Saudi Arabia's first electric vehicle (EV) brand, has signed a cooperation agreement with Rimac Technology. According to the agreement, Rimac Technology wi...[Details]
Power technology
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