What is simulation?
Baidu Encyclopedia says so:
The model is used to reproduce the essential processes occurring in the actual system, and the existing or designed systems, also known as simulations, are studied through experiments on the system model. The models referred to here include physical and mathematical, static and dynamic, continuous and discrete models. The systems referred to are also extensive, including electrical, mechanical, chemical, hydraulic, and thermal systems, as well as social, economic, ecological, and management systems.
Baidu Encyclopedia does not derogate, did not put us in the communication of people in the eyes, actually did not write the communication system alone! ! !
As you may mention simulation, you can think of fun stuff, such as VR scene simulation, aircraft simulator. Those are certainly the scope of simulation, but as a veteran in the field of communication, I would say that simulation is the best means of communication system simulation!
Also praise this sentence for Baidu Encyclopedia!
“When the system under study is expensive, the risk of experimentation is large, or it takes a long time to understand the consequences of changes in system parameters, simulation is a particularly effective means of research.â€
Communication systems generally have to spend a lot of money to make it. In order to ensure that the effect is met, the simulation must first be simulated. Can the method in the simulation process guarantee the effect? Without this simulation result, who would dare to play the insurance ticket is useful for your money? If you don't get the money, you will be beaten.
Therefore, companies in the communications field generally consider market and technical factors when making decisions about a product. This technical factor generally refers to the simulation results in the early stage of the project. So we naturally lead to the next topic: What is the use of simulation?
In fact, this is nonsense, but I still have to answer it seriously. I am a university teacher. The article is not only for everyone to read, but also for my students to see. I hope that after reading the article with great interest, I will abandon the so-called knowledge uselessness.
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