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電磁學應用（三）：電磁學在通信中的應用

發布時間：

2021-04-29

智能手機已經融入到了人們的骨髓裏面去了，可以說現代人離開了手機，就像活在原始社會的說法一點都不誇張。那麽大家知道手機是靠什麽完成通話的嗎?

深圳市宗泰電機有限公司作爲電磁動力源解決方案提供商，對所有能改善人們生活的電磁學應用領域都非常感興趣，我們生産的電磁鐵和電磁閥对生活自动化、工业自动化和办公自动化作出了巨大贡献，下面，就让我们来聊聊电磁学在通信中的应用吧。

電磁學應用（三）：電磁學在通信中的應用

其實也是通過電磁學來完成的，手機裏擁有能夠接收和發射電磁波的芯片，因此手機能夠發出電磁波，同時也能夠接收電磁波。

電磁學應用（三）：電磁學在通信中的應用

電磁學應用（三）：電磁學在通信中的應用

在这发射和接收的过程中, 手机完成了信息交流的工作。电磁学在手机中的应用使在异地的人们也能快速地进行交流, 这样就能够保证消息在第一时间传出去。

電磁學應用（三）：電磁學在通信中的應用

另外，手機肯定是離不開藍牙技術的了，電磁學的另一個重要應用就是藍牙技術了。藍牙技術是指短距離的無線通信，藍牙技術在使用過程中要輸入PIN碼配對，它的適用範圍在十米之內。

電磁學應用（三）：電磁學在通信中的應用

藍牙技術簡言之就是無線通信，它也是通過電磁學原理來完成操作。藍牙裝備會將信號調制成電磁波，電磁波通過電磁場發射出去之後，由接收器把信號調節出來，電磁學原理促使藍牙技術得以實現無線通信。

電磁學應用（三）：電磁學在通信中的應用

與此同時藍牙技術也應用在很多方面，例如藍牙耳機、手機和筆記本中的藍牙功能等。

電磁學應用（三）：電磁學在通信中的應用

深圳市宗泰電機有限公司研發生産的高頻脈沖電磁鐵，響應時間在12ms以內，每分鍾可以産生5000次來回的高頻動作，目前應用在高速貼片機等工業自動化設備上。

電磁學應用（三）：電磁學在通信中的應用

上一篇:我國爲什麽堅持大力發展磁懸浮高鐵下一篇:電磁學應用（二）：電磁學在家庭生活中的應用

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"You will need money," said Mr. Bassett, "and here is something that will get it." Pneumatic machinery, aside from results due to the elasticity of air, is analogous in operation to hydraulic machinery. The relation between the feeding and cutting motion of reciprocating machines is not generally considered, and forms an interesting problem for investigation. CHAPTER I "Sister," I said, "I am a cousin of S?ur Eulalie, and should like to see her, to know how she is and take her greetings to her family in The Netherlands." "The police service will be performed in the daytime by some volunteers, who will wear an armlet in the municipal colours, and an identity card, both officially stamped. Well-minded persons, who are willing to perform these duties, are urgently requested to present themselves at the town-hall to-day at four o'clock in the afternoon. A paralysed woman who had also been flung into the street was nursed at the hospital, and lay with many others in the chapel of the Institution, which had been turned into a ward. After the formal and material elements of life have been separately discussed, there comes an account of the process by which they are first brought into connexion, for this is how Aristotle views generation. With him it is the information of matter by psychic force; and his notions about the part which each parent plays in the production of a new being are vitiated throughout by this mistaken assumption. Nevertheless his treatise on the subject is, for its time, one of the most wonderful works ever written, and, as we are told on good authority,257 is now less antiquated than the corresponding researches of Harvey. The philosopher’s peculiar genius for observation, analysis, and comparison will partly account for his success; but, if we mistake not, there is another and less obvious reason. Here the fatal separation of form and matter was, except at first starting, precluded by the very idea of generation; and the teleological principle of spontaneous efforts to realise a predetermined end was, as it happened, perfectly in accordance with the facts themselves. It was a consequence of the principle just stated that in formal logic the Stoics should give precedence to the hypothetical over the categorical syllogism.40 From one point of view their preference for this mode of stating an argument was an advance on the method of Aristotle, whose reasonings, if explicitly set out, would have assumed the form of disjunctive syllogisms. From another point of view it was a return to the older dialectics of Socrates and Plato, who always looked on their major premises as possessing only a conditional validity—conditional, that is to say, on the consent of their interlocutor. We have further to note that both the disjunctive and the hypothetical syllogism were first recognised as such by the Stoics; a discovery connected with the feature which most profoundly distinguishes their logic from Aristotle’s logic. We showed, in dealing with the latter, that it is based on an analysis of the concept, and that all its imperfections are due to that single circumstance. It was the Stoics who first brought judgment, so fatally neglected by the author of the Analytics, into proper prominence. Having once grasped propositions as the beginning and end of reasoning, they naturally and under the guidance of common language, passed from simple to complex assertions, and immediately detected the arguments to which these latter serve as a foundation. And if we proceed to ask why they were more interested in judgment than in conception, we shall probably find the explanation to be that their17 philosophy had its root in the ethical and practical interests which involve a continual process of injunction and belief, that is to say, a continual association of such disparate notions as an impression and an action; while the Aristotelian philosophy, being ultimately derived from early Greek thought, had for its leading principle the circumscription of external objects and their representation under the form of a classified series. Thus the naturalistic system, starting with the application of scientific ideas to human life, ultimately carried back into science the vital idea of Law; that is, of fixed relations subsisting between disparate phenomena. And this in turn led to the reinterpretation of knowledge as the subsumption of less general under more general relations. 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He's bin driven purty sharp, and he needs his supper jest as bad as I did mine, and I won't feel right unless he has it. Then I must try to git him back to his owner termorrer." "The orders are," said the Orderly-Sergeant in a low tone, as he passed down in front of the company, "to strip off your bankets, canteens, and haversacks, and pile them. They'll be in the road in the rush, and catch in going through the abatis." SUBJECT: The daily paper HoME 我爱妹妹电影院ENTER NUMBET 008www.mattelsa.com.cn
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