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With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
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The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
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At present, the DES algorithm is increasingly used in confidential communications in the financial and non-financial sectors. DES (Data Encryption Standard) is a data encryption algorithm that was suc...[Details]
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Power Line Communication (PLC) technology is a communication technology that uses medium/low voltage lines in distribution networks to transmit high-speed data, voice, images and other multimedia s...[Details]
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1. Processing and laying of cable tubes
(1) Metal cable tubes should not have perforations, cracks, significant unevenness, or severe rust, and the inner wall of the tube should be smooth ...[Details]
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Abstract: Based on the introduction of the structure and working principle of piezoelectric ceramic transformers, the characteristics and applications of piezoelectric ceramic transformers are explain...[Details]
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Adding an indicator light
to the start button The circuit for adding an indicator light to the start button is shown in the figure.
It is not difficult to see that this i...[Details]
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In the process of measuring the characteristic parameters of micro/nano electro mechanical system (MEMS/NEMS) structures and testing the reliability of MEMS/NEMS, it is often required to precisely ...[Details]
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Abstract: This paper applies EWB software to actual projects and designs a temperature measurement circuit. The designed temperature measurement circuit does not use a dedicated temperature sensor ...[Details]
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This paper introduces the use of Agilent VEE software to control instruments on the IEEE488 bus, thereby establishing an integrated capacitor automatic test system centered on a PC.
Keywords:...[Details]
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In recent years, the luminous efficiency of LED has increased 100 times, and the cost has decreased 10 times. It is widely used in backlight, signal display, lighting and other fields. In the deve...[Details]
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After 50 years of development of solar cells, the photovoltaic industry (solar power generation industry) finally crossed the historical watershed in 2004 and officially entered the take-off stage....[Details]
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Abstract: Aiming at the needs of attitude measurement in low-cost, low-power, and miniaturized applications, an attitude measurement system combining a three-axis MEMS gyroscope, an accelerometer, ...[Details]
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introduction
The power-off delay type meets its control requirements due to its working state (no external working power supply is required during the delay process) and the control contact's ...[Details]
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The mains power is not stable, and there are many power quality problems, such as voltage surge, high voltage spike pulse, transient overvoltage, voltage sag, line noise, frequency offset, contin...[Details]