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For sports smart bracelets, the accuracy of the equipment and the professionalism of the data are very important. Although some sports bracelets on the market can provide sports data, their comprehen...[Details]
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1. The similarities and differences between the lumen efficiency of a single LED and the lumen efficiency of a lamp using LED as a light source
For a specific LED, with a specified forward bia...[Details]
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1 Introduction
With the development of science and technology and the transformation of military strategic thinking, unmanned aerial vehicles have broad application prospects and extremely importan...[Details]
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According to foreign media reports, Toyota Motor Corporation has developed a packaged fuel cell (FC) system module and plans to start selling it in the spring of 2021 or later. FC products are widely...[Details]
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Under the epidemic, "classes are suspended but learning continues", and online classes, electronic textbooks, and cloud learning have all "made their debut". In such "dazzling" days, people's demand ...[Details]
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Fiber optic transceiver is an Ethernet transmission media conversion unit that interchanges short-distance twisted pair electrical signals with long-distance optical signals. It is also called phot...[Details]
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The so-called biometric technology refers to the technology that uses each person's unique biological characteristics to verify the user's identity, also known as biometric authentication. "In theory,...[Details]
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MPEG-2 decoding
MPEG-2 decompression circuit includes video, audio decompression and other functions. In video processing, it is necessary to complete the decoding of the main picture and sub-...[Details]
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0 Introduction
In the processing of broadband radar signals, there are a series of problems such as high echo sampling rate, large amount of pulse compression (matched filtering) calculati...[Details]
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Endless white snow, pure and transparent icebergs, dreamy and beautiful aurora, and tranquil beauty everywhere, this is Antarctica. The average thickness of the ice layer is 1,880 meters, the avera...[Details]
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Many embedded ARM processor systems are based on battery-powered energy supply, and the power consumption of the processor is critical to the entire SoC chip, so the low power consumption adva...[Details]
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Abstract:
Taking PWM as the functional interface of D/A, the influence of different circuits on conversion accuracy is analyzed, and an analysis method of the relationship between the accurac...[Details]
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Abstract: This article introduces a distributed real-time hydrological monitoring system based on wireless data communication. The system has functions such as real-time monitoring and alarming,...[Details]
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A digital multimeter is an instrument that measures resistance, voltage, current, and audio level, among other things. Measuring resistance When measuring resistance, you should read the reading on t...[Details]
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1 - Target system not detected
Before debugging, please connect the target board and then use the debugging software to detect the target system. If the target system cannot be detected, please do th...[Details]
Microcontroller MCU
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