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Control method classification
Open loop control
Open loop control refers to a control system where the input is independent of the output. For example, if a frequency is set for a water s...[Details]
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Metro Track Construction Category
In terms of rail safety, Beijing has issued the "Regulations on the Management of Safe Operation of Urban Rail Transit", which clearly stipulates for the ...[Details]
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A preliminary study of PIC's delay function and loop body optimization.
Many friends say that the delay time cannot be accurately controlled in C and is not as intuitive as assembly.
In fact...[Details]
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The Messages messaging app and platform is a feature update launched by Apple when iOS 15 was released. Users can deeply integrate messages with other Apple apps, such as Apple News, Music, and Photo...[Details]
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The battery swap model has long been questioned. I wonder if NIO’s state of mind can be described in this sentence: “Everyone is an island, but I would rather be a beacon.” There is no doubt that w...[Details]
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The security system is a public security prevention measure that uses high-tech means such as video surveillance, perimeter alarms, infrared detection, etc. to monitor key parts of an enterprise, c...[Details]
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At present, the frequency conversion fan generally adopts brushless DC motor, because it has no excitation winding, no commutator, no brush, no slip ring, and its structure is simpler than the gene...[Details]
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1 Introduction 光纤具有测距，可复用，非破坏性报警，报警温度可调，传感器输出为光信号，抗电磁干扰等优点。所以现代通信中使用光纤作为信号的传导介质，而在信号的传输过程中，由于温度过高或过低引起的通信中断也时有发生，造成了很大的经济损失，使得对光纤沿线的温度进行实时监测具有很大的实用意义。基于拉曼散射的分布式光纤测温技术，是近十几年来迅速发展的新型测温技术。利用光纤作为温度信息的传感和...[Details]
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Some time ago, when I was out shopping, I passed by a scrap collection station and saw an aunt dismantling parts from a machine. I didn't know what machine it was, but I suddenly saw her disma...[Details]
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In this three-part series, Part 1 focuses on how to accurately estimate the jitter of a clock source and how to combine it with the aperture jitter of the ADC. In Part 2, this combined jitter will ...[Details]
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For many public and private organizations, security and public safety programs require the deployment of various video security technologies . Video security systems provide the necessary visual i...[Details]
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Electromagnetic flowmeter is a flowmeter product based on Faraday's law of electromagnetic induction. The measuring tube of the flowmeter is a short tube lined with insulating material and non-magnet...[Details]
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Although Xiaomi has already entered South Korea, its mobile phones officially entered South Korea in 2018. Samsung, as a local company in South Korea, has maintained a leading position in the m...[Details]
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Weibo celebrity @王奔宏 shared a photo of a real-life new vertical folding-screen phone. From its UI interface, it can be seen that this is a folding-screen phone that Samsung has not yet release...[Details]
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1 Overall Design The overall block diagram is shown in Figure 1. The system uses the StratixⅡ series EP2S60F484 model FPGA launched by Altera as the core of image acquisition processing and network ...[Details]
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