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Electrical-engineering

429總線協議說明

ARINC429總線協議是美國航空電子工程委員會(Airlines Engineering Committee)于1977年7月提出的，并于同年發表并獲得批準使用，它的全稱是數字式信息傳輸系統(Digital Information Transmission System ) 。協議標準規定了航空電子設備及有關系統間的數字信息傳輸要求。ARINC429廣泛應用在先進的民航客機中，如B-737、B-757、B-767，俄制軍用飛機也選用了類似的技術。 ARINC429總線結構簡單、性能穩定，抗干擾性強。最大的優勢在于可靠性高。飛機上的ARINC429數據總線，用于在系統和設備之間傳送上千種不同類型的參數，如航向、真空速、馬赫數等。

標簽： 429總線協議

上傳時間： 2016-08-17

上傳用戶：w50403
max3096

Quad RS-422/RS-485 Receivers MAX3095/MAX3096 DC ELECTRICAL CHARACTERISTICS—MAX3096 (continued)

標簽： 3096 max

上傳時間： 2017-03-07

上傳用戶：andyj
PCB測試原理

Electrical test of bare printed wiring boards

標簽： PCB 電性能測試

上傳時間： 2017-10-12

上傳用戶：ele268
EES使用手冊

EES軟件-Engineering Equation Solver的軟件使用手冊，講解軟件的功能和使用。

標簽： EES 使用手冊

上傳時間： 2019-04-21

上傳用戶：Zengwjie
6LoWPAN+The+Wireless+Embedded+Internet

The Internet of Things is considered to be the next big opportunity, and challenge, for the Internet engineering community, users of technology, companies and society as a whole. It involves connecting embedded devices such as sensors, home appliances, weather stations and even toys to Internet Protocol (IP) based networks. The number of IP-enabled embedded devices is increasing rapidly, and although hard to estimate, will surely outnumber the number of personal computers (PCs) and servers in the future. With the advances made over the past decade in microcontroller,low-power radio, battery and microelectronic technology, the trend in the industry is for smart embedded devices (called smart objects) to become IP-enabled, and an integral part of the latest services on the Internet. These services are no longer cyber, just including data created by humans, but are to become very connected to the physical world around us by including sensor data, the monitoring and control of machines, and other kinds of physical context. We call this latest frontier of the Internet, consisting of wireless low-power embedded devices, the Wireless Embedded Internet. Applications that this new frontier of the Internet enable are critical to the sustainability, efficiency and safety of society and include home and building automation, healthcare, energy efficiency, smart grids and environmental monitoring to name just a few.

標簽： Embedded Internet Wireless 6LoWPAN The

上傳時間： 2020-05-26

上傳用戶：shancjb
Aeronautical+Radio+Communication+Systems

YoumayaskwhyIwrotethisbook.Therearemany,manypersonalreasonsaswithanyauthor I suppose. The first two reasons and probably the most important are my love of flying and my love of radio engineering. This may sound rather dull but I love flying in any machine be it balloon, glider, propeller aircraft, microlight through to airline jets and the experience of it. The more I do it the more I feel I understand it.

標簽： Communication Aeronautical Systems Radio

上傳時間： 2020-05-26

上傳用戶：shancjb
CDMA+Systems+Capacity+Engineering

Since the telephone was invented in the late nineteenth century, there has been a steady development of telephone services, and the number of subscribers has con- tinuously increased. One of the most revolutionary developments in telephone serv- ice in the late twentieth century was the introduction of the cellular variety of mobile phone services.

標簽： Engineering Capacity Systems CDMA

上傳時間： 2020-05-26

上傳用戶：shancjb
Digital+Communication+over+Fading+Channels 1st

Regardless of the branch of science or engineering, theoreticians have always been enamored with the notion of expressing their results in the form of closed-form expressions. Quite often, the elegance of the closed-form solution is overshadowed by the complexity of its form and the difficulty in evaluating it numerically. In such instances, one becomes motivated to search instead for a solution that is simple in form and simple to evaluate.

標簽： Communication Channels Digital Fading over 1st

上傳時間： 2020-05-27

上傳用戶：shancjb
Digital+Communication+over+Fading+Channels，2nd

Regardless of the branch of science or engineering, theoreticians have always been enamored with the notion of expressing their results in the form of closed-form expressions. Quite often the elegance of the closed-form solution is overshadowed by the complexity of its form and the difficulty in evaluating it numerically. In such instances, one becomes motivated to search instead for a solution that is simple in form and likewise simple to evaluate.

標簽： Communication Channels Digital Fading over 2nd

上傳時間： 2020-05-27

上傳用戶：shancjb
Distributed+Quality-of-Service+Support

This thesis is about wireless communication in shared radio spectrum. Its origin and motivation is ideally represented by the two quotations from above. In this thesis, the support of Quality-of-Service (QoS) in cognitive radio networks is analyzed. New approaches to distributed coordination of cognitive radios are developed in different spectrum sharing scenarios. The Wireless Local Area Network (WLAN) 802.11 proto- col of the Institute of Electrical and Electronics Engineers (IEEE) (IEEE, 2003) with its enhancement for QoS support (IEEE, 2005d) is taken as basis. The Medium Access Control (MAC) of 801.11(e) is modified to realize flexible and dynamic spectrum assignment within a liberalized regulation framework.

標簽： Quality-of-Service Distributed Support

上傳時間： 2020-05-27

上傳用戶：shancjb

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