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1. Working principle of OTDR:
Optical fiber cable testing is an important technical means for optical cable construction, maintenance and emergency repair. Using OTDR (optical time domain refle...[Details]
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Xiao Zhihua, General Manager of Hubei Electric Power Communication Company
Hubei Electric Power Communication Company closely follows the State Grid Corporation of China to vigorously promote ...[Details]
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introduction
With the continuous development of microelectronics technology, the integration of microprocessor chips is getting higher and higher. Single-chip microcomputers can integrate CPU, memo...[Details]
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introduction
Cordless telephone (CT) is a low-power duplex wireless telephone connected to the user end of the local exchange network. Generally, cordless telephones have all the functions of o...[Details]
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Since the 1920s, HVDC transmission technology has undergone three technological innovations, the main driving force of which came from major changes in the basic components of the converter. The fi...[Details]
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Recently, the United States has begun to carry out education work through the new all-in-one Raspberry Pi 4. Including a variety of learning environments in school, home or community; students can de...[Details]
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In the field, six-axis has always been the undisputed sales king, and it is also the "hard bone" that domestic manufacturers most want to chew.
In fact, domestic manufacturers have also been c...[Details]
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For more than a hundred years, thermal power generation facilities have proven to be a stable and reliable source of energy, but these facilities are large, complex, and increasingly expensive to b...[Details]
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Pareto Plot is also called Pareto chart, 8020 chart, etc. It is a chart used to arrange quality improvement projects from the most important to the least important. It is composed of two chart...[Details]
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Apple's latest Thunderbolt interface can be seen on the new MacBook Pro products released at the beginning of the year, but the devices currently supported are still as rare as exotic animals. Now ...[Details]
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The following methods can be used to calibrate the DC resistance in a digital multimeter: 1) Standard resistor method; 2) Resistance calibrator method. Selection of calibration points: Generally, 5 t...[Details]
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Abstract: With the ultra-low power microprocessor
MSP430F149
as the core, a horizontal intelligent control system for a rice transplanter is designed. The control system realizes real-tim...[Details]
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Introduction
Heart rate is an important feedback signal in the fitness system. It reflects people's physical condition during exercise and plays an important role in monitoring the human life s...[Details]
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According to the information disclosed by the Science and Technology Innovation Board, China Micro Semiconductor (Shenzhen) Co., Ltd. submitted its registration to the China Securities Regulatory Com...[Details]
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1 Composition, characteristics and types of low-voltage power supply systems
(1) Power supply systems usually consist of two parts: AC subsystem and DC subsystem
AC subsystems usually con...[Details]
Wireless Connectivity
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