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Fiber Amplifier/EDFA, Principle and Classification of Fiber Amplifier/EDFA
Fiber Amplifier Classification
There are three main types of optical amplifiers:
(1) Semiconductor Optical Amplifier (...[Details]
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The black box of a car is a car driving recorder, which is used to record the status of a car while driving. With the successful application of black boxes on airplanes, more and more countries are...[Details]
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1. Single power supply to dual power supply circuit
As shown in Figure 1. The time base circuit NE555 is connected to an astable circuit, and the output frequency of the 3rd pin is 20kHz an...[Details]
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According to foreign media reports, speeding remains an important cause of many road traffic accidents. TWM Traffic Control Systems, a Manchester, UK-based supplier of integrated LED lights in traffi...[Details]
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Biometric Identification Technology refers to a special technology that realizes identity recognition by identifying and authenticating certain biological features of the human body. It mainly includ...[Details]
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The Asian Development Bank (ADB) and the Maldives Ministry of Environment have launched a program to roll out solar-diesel hybrids across 48 islands to reduce reliance on expensive and ...[Details]
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While releasing the new iPhone, Apple naturally did not forget to push the new iOS system. According to the latest report from foreign media, Apple directly pushed the iOS 14.1 system (versi...[Details]
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1. Appearance structure and function of components The structure of 5050 megohmmeter is shown in Figure 1. The functions of the three terminals in the figure are as follows: (1) E is the grou...[Details]
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Recently, Shenzhen-based precision agricultural
robot
company Weier Technology received tens of millions of RMB in angel round investment. Weier Technology focuses on field operation scenar...[Details]
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Since the current
LED
taillights are all horizontal, the LED angle is not suitable, and the light bowl is not well matched, and the reflective bowl basically does not work, resulting in
low
...[Details]
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The most direct reason for choosing a soft landing is to save time. What is a soft landing? Actually, it is a landing made through autonomous decision-making by AI. Following the soft landing...[Details]
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In our daily use of magnetic flap level gauges, there is often a problem, that is, the measurement deviation of the magnetic flap level gauge. Although these deviations are not very large, they...[Details]
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A technological leap in the intelligent driving industry
As a major auto show at the end of the year, no other show can reveal
the trends of
the auto industry
in the coming y...[Details]
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This Spring Festival Gala, which has the highest AI content in history, has ended perfectly for a week.
Perhaps the high-tech Spring Festival Gala caught people's attention, and the ratings of...[Details]
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The upgrades to Xmart OS and NGP are not major upgrades, so I will just briefly review them. The upgrade of Xmart OS is mainly in the experience. For example, the navigation card has lane display a...[Details]
Analog electronics
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