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Editor to share with you how many meanings of esn, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to understand it!

Esn has many meanings: 1, electronic serial number (Electronic Serial Number), a unique parameter of each mobile device; 2, emergency service number (Emergency Service Number); 3, echo status network (Echo State Network).

Esn has many meanings. The following article will introduce it to you.

ESN (Electronic Serial number)

Electronic serial number (English: Electronic Serial Number, abbreviated ESN), also known as ESN code, is a unique parameter of each mobile device (such as mobile phone, smartphone, tablet computer, etc.), which uniquely identifies a mobile device with a length of 32 bits.

The analogical mobile phone system has been in use since it was invented in 1980. After 1997, the American Telecommunications Industry Association acquired the right to manage and grant ESN codes. ESN codes are first used on AMPS and D-AMPS phones, and are most common on CDMA phones. Another common mobile phone code, IMEI (International Mobile device Identification Code), is most commonly used on GSM phones.

ESN (Emergency Services acronym)

Emergency service number (Emergency Service Number, ESN): a telephone number used for an emergency, such as a fire alarm telephone number.

ESN (Echo State Network abbreviation)

Echo state network (Echo State Network, ESN) is a new type of artificial neural network.

ESN is a new type of recurrent neural network proposed by Jaeger in 2001. ESN has become a hot spot in academic circles as soon as it is proposed, and has been widely used in various fields, including dynamic pattern classification, robot control, object tracking core moving target detection, event monitoring and so on, especially in time series prediction. In the second year when Jaeger proposed this kind of neural network, he published an article on the application of ESN network to time series prediction in well-known international journals, which made a great contribution to its development. In addition, Han Min and others of Dalian University of Technology have also made outstanding contributions to the use of ESN.

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