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找到约 824 项符合 Low-level 的查询结果

书籍 Fundamentals+of+WiMAX+Understanding

Fundamentals of WiMAX was consciously written to appeal to a broad audience, and to be of value to anyone who is interested in the IEEE 802.16e standards or wireless broadband networks more generally. The book contains cutting-edge tutorials on the technical and theoretical under- pinnings to WiMAX ...
https://www.eeworm.com/dl/521910.html
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书籍 Introduction to Communications Technologies

Our original effort in writing this book was to create a starting point for those in the business community who did not have a high level of technical expertise but needed to have some understanding of the technical functions of their information and communication technologies (ICT) in a corporate e ...
https://www.eeworm.com/dl/521939.html
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书籍 Introduction to RF Power Amplifier Design

Radio frequency (RF) power amplifiers are used in everyday life for many applica- tions including cellular phones, magnetic resonance imaging, semiconductor wafer processing for chip manufacturing, etc. Therefore, the design and performance of RF amplifiers carry great importance for the proper func ...
https://www.eeworm.com/dl/521940.html
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书籍 Light+Propagation+in+Gain+Media

An optical fiber amplifier is a key component for enabling efficient transmission of wavelength-divisionmultiplexed(WDM)signalsoverlongdistances.Eventhough many alternative technologies were available, erbium-doped fiber amplifiers won theraceduringtheearly1990sandbecameastandardcomponentforlong-hau ...
https://www.eeworm.com/dl/521949.html
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书籍 Low Complexity MIMO Detection

In order to improve the spectral efficiency in wireless communications, multiple antennas are employed at both transmitter and receiver sides, where the resulting system is referred to as the multiple-input multiple-output (MIMO) system. In MIMO systems, it is usually requiredto detect signals joint ...
https://www.eeworm.com/dl/521950.html
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书籍 LTE, WiMAX and WLAN

For nearly a hundred years telecommunications provided mainly voice services and very low speed data (telegraph and telex). With the advent of the Internet, several data services became mainstream in telecommunications; to the point that voice is becoming an accessory to IP-centric data networks. To ...
https://www.eeworm.com/dl/521951.html
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书籍 LTE-Advanced+and+Next+Generation

In the nineteenth century, scientists, mathematician, engineers and innovators started investigating electromagnetism. The theory that underpins wireless communications was formed by Maxwell. Early demonstrations took place by Hertz, Tesla and others. Marconi demonstrated the first wireless transmis ...
https://www.eeworm.com/dl/521956.html
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书籍 Microwave+Transmission+Networks

Microwave radio network design is a subset of activities that constitute the overall transmission network design. Transmission networks are sometimes called transport networks, access networks, or connectivity networks. For many wireless carriers, microwave is becoming a popu- lar preference over wi ...
https://www.eeworm.com/dl/521964.html
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书籍 Millimeter+Wave+Communication+Systems

This book presents millimeter wave communication system design and analysis at the level to produce an understanding of the interaction between a wireless system and its front end so that the overall performance can be predicted. Gigabit wireless commu- nications require a considerable amount of ban ...
https://www.eeworm.com/dl/521965.html
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书籍 Mobile+Channel+Characteristics

At the macroscopic level of system layout, the most important issue is path loss. In the older mobile radio systems that are limited by receiver noise, path loss determines SNR and the maximum coverage area. In cellular systems, where the limiting factor is cochannel interference, path loss determin ...
https://www.eeworm.com/dl/521993.html
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