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Recently, the listed company Hongli Zhihui has had a rather troublesome time. Not only is the first half performance expected to be a serious loss, but also the assets of its subsidiary Yishan Auto L...[Details]
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introduction
Electroluminescence is a process that converts electrical energy directly into light energy. Compared with traditional cathode ray tubes (CRT), plasma displays (PDP), and liqu...[Details]
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Gas chromatograph is a widely used organic multi-component chemical analysis instrument. It has the advantages of high separation efficiency, fast analysis speed, small sample size, and multi-componen...[Details]
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Chinese people are already familiar with the three major operators in the past decade or so - China Mobile, China Telecom, and China Unicom. They also have an impression of China Netcom and China Tie...[Details]
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As a new type of test and measurement instrument for measuring network parameters, the network analyzer directly measures the complex scattering parameters of active or passive, reversible or irrever...[Details]
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The emergence of smart computing devices is partly due to the introduction of Bluetooth Low Energy technology. This new technology allows devices to communicate with each other without the high energ...[Details]
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The method of measuring continuity is as follows: 1. Disconnect and ensure that the measured part is not electrified. 2. Adjust the multimeter to the 200 ohm resistance range or the on-off range. 3. ...[Details]
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Figure 1
SPWM
Without injecting zero-sequence component, the fundamental component of three-phase output voltage can be expressed as:
SPWM injection of zero-sequenc...[Details]
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When reviewing the development of automotive electronics, I saw a EU-sponsored project on the development of high-computing power computing platforms. The name of this project is "European Processor ...[Details]
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Transformers are important equipment in the power supply system. Their faults are initially accompanied by local or overall temperature abnormalities. Infrared thermal imaging cameras can detect and ...[Details]
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On August 13, Beijing time, according to the Financial Times, the US Department of Defense has decided to remove Hesai Technology from its so-called "Chinese military-related enterprises" blacklist...[Details]
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MEMS pressure sensors are widely used in a variety of industries, with automotive applications being the largest. According to Yole, a research organization, which analyzes industry applications and ...[Details]
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// Port P1 expands 4*4 matrix keyboard, with P1.7-P1.4 as row lines and P1.3-P1.0 as column lines.
// The digital tube displays the key value, P0 provides the segment code, P2.7-2.5 passes through 74...[Details]
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On September 2, 2022, the first technology science variety show "BOE Worry-solving Lab" produced by BOE (BOE Oriental) was fully launched on major video platforms. As the first variety show of a dome...[Details]
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Use of Logic Analyzer
This article mainly introduces the steps and methods of using a logic analyzer, from several aspects such as connecting the probe to the system under test, set...[Details]
Analog electronics
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