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Contents The invention belongs to the technical field of testing and measurement, and in particular relates to a foldable real-time precision measuring instrument for tree diameter growth. Backgrou...[Details]
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Traffic lights are simulated by using the control diode and digital tube display of the 51 single-chip microcomputer. The system crystal oscillator is 11.0592MHZ. The red light in the east-west direct...[Details]
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1. Choose a good sound source. The sound source is a bottleneck. You can choose according to your needs. If you want to make a radio station, please choose broadcast-level CDs and LDs...[Details]
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1 Introduction At present, the power regulation of high-frequency induction heating power supply has two modes: DC side power regulation and inverter side power regulation. The inverter side power...[Details]
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According to a digital blogger, Honor, which has been silent for a long time, is finally going to release a new phone. Judging from the exposed parameters, this phone should be a mid-range phone, not...[Details]
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The European Hardware Association recently released the results of a hardware survey on CPU /graphics card brand preferences, showing that more than 60% of respondents prefer AMD CPUs, while las...[Details]
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In the early morning of September 11, Apple brought the latest iPhone 11, iPhone 11 Pro and iPhone 11 Pro Max to the press conference. All three new models are equipped with Apple's latest A13 Bionic...[Details]
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When considering topologies that use LED drivers to convert AC input voltage into a constant current source for LED loads, it is helpful to classify LED applications into three power levels: (1) Lo...[Details]
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Abstract: When the motor capacity is large, the impact of the input harmonics of the high-power inverter on the power grid and the impact of the output harmonics on the motor have become prominent pro...[Details]
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1 Introduction The Internet has become a platform for people to obtain information at low cost and high efficiency. With the rapid growth of the number of visits to various sites and the amount of in...[Details]
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Three new Honor phones have now been approved by the Ministry of Industry and Information Technology for network access. Their model numbers are VNE-AN00, CMA-AN40 and LGE-AN20. The Ministry of...[Details]
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System valid data definition The network analysis system data is divided into the following five items: directivity, source matching, load matching, reflection tracking and transmission tracking. The...[Details]
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If "audiophiles" are a group of people who are never satisfied with sound and "love new and hate old" with audio equipment. Then how far can we go just relying on these so-called "fever spirits"? Fac...[Details]
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Abstract: Based on the research of the structure and working principle of the electric power steering system (EPS) and its controller (ECU), a control system based on the ARM S3C44B0X single-chip ...[Details]
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On October 18, Vanadium Titanium Co., Ltd. released its third quarter report. In the third quarter of 2024, the company's revenue was 3.316 billion yuan, a year-on-year decrease of 6.04%, and its net ...[Details]
Analogue and Mixed Signal
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