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introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
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1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
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At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
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No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
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At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
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The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
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In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
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In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
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With the tense global energy situation and the improvement of human environmental protection awareness, the research and development of power batteries is in full swing around the world. At present...[Details]
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1. Sensor
According to the national standard GB7665-87, a sensor is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a...[Details]
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Thyristor is the abbreviation of thyristor, commonly known as silicon controlled rectifier. It is a high-power switching semiconductor device, represented by the letter symbols "V" or "VT" in the c...[Details]
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1 Introduction
The Global Navigation and Positioning System (GPS) has been widely used in vehicle positioning because it can provide all-weather, continuous, and real-time high-precision posit...[Details]
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In recent years, the rapid development of high-performance digital signal processing chip DSP (Digital Signal Process) technology has made it possible to realize real-time speech recognition. Amo...[Details]
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VGA (Video Graphics Array) is a graphics display standard proposed by IBM in 1987. Although it is no longer an advanced display standard, it is still widely used due to its mature technology and pr...[Details]
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For a long time, the ambient temperature of the computer room has determined the working condition of the equipment. Whether the ambient temperature of the computer room is qualified reflects the c...[Details]