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Narrowband and wideband frequency modulation spectral characterization and bandwidth calculation 窄带和宽带频率调制频谱特性和带宽计算
Pub Date : 2023-01-01 DOI: 10.1109/MPOT.2012.2187489
A. Alaa
Frequency modulation (FM) is a class of analog modulation techniques that rely on varying the instantaneous frequency of a radio-frequency (RF) carrier in accordance with the baseband signal. The amplitude of the FM signal is constant, while its instantaneous frequency is time variant; therefore, the zero crossing rate (ZCR) of the carrier differs at a rate proportional to the Nyquist rate of the baseband signal. Unlike amplitude modulation (AM), FM is a nonlinear modulation technique; therefore, the calculation of the spectrum of an FM signal is expected to be a tedious mathematical problem.
调频(FM)是一类模拟调制技术,它依赖于根据基带信号改变射频(RF)载波的瞬时频率。调频信号的振幅是恒定的,而其瞬时频率是时变的;因此,载波的过零率(ZCR)以与基带信号的奈奎斯特率成比例的速率不同。与调幅(AM)不同,调频是一种非线性调制技术;因此,FM信号频谱的计算预计将是一个乏味的数学问题。
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引用次数: 0
IEEE Feedback IEEE反馈
Pub Date : 2023-01-01 DOI: 10.1109/mpot.2022.3224266
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引用次数: 0
Libya’s first IEEE Student Branch Launches [IEEE Student Activities] 利比亚首个IEEE学生分会成立[IEEE学生活动]
Pub Date : 2023-01-01 DOI: 10.1109/mpot.2022.3208844
Ramy Harib, Ahmed Badi
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引用次数: 0
Energy consumption on high-speed downlink packet access transmission in the Denpasar area in 2014 2014年登巴萨地区高速下行分组接入传输能耗
Pub Date : 2023-01-01 DOI: 10.1109/mpot.2015.2404551
Ridho Yurham, .. Linawati, G. Sukadarmika
The need for cellular telecommunication services is increasing every year. Cellular technology is rapidly growing in developing countries because of the lack of wired physical networks. This has an impact on increasing the energy demand.
对移动通信服务的需求每年都在增加。由于缺乏有线物理网络,蜂窝技术在发展中国家迅速发展。这对增加能源需求产生了影响。
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引用次数: 0
Unity and disagreement: Two sides of the same coin [Editorial] 团结和分歧:一枚硬币的两面[社论]
Pub Date : 2023-01-01 DOI: 10.1109/mpot.2022.3217991
E. Nepomuceno
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引用次数: 0
Monitoring water health with autonomous single-rotor unmanned aerial vehicles 使用自主单旋翼无人机监测水的健康状况
Pub Date : 2023-01-01 DOI: 10.1109/MPOT.2022.3178558
Ankit Bhat, Ubaid Sheikh Rehman, Haroon Ahsan, Afshin Rahimi
Harmful algae blooms (HABs) regularly occur in the Great Lakes in Canada, particularly in Lake Erie. These HABs produce a toxin called microcystin, which can cause liver damage, numbness, and vomiting in both humans and animals (National Oceanic and Atmospheric Administration [NOAA], 2017). Lake Erie experienced one of its worst HABs in 2019. These HABs do not show signs of slowing down. Calm winds and rainfall around farmlands cause HABs as evaporated nutrients from fertilizers drain into bodies of water. Runoff from fertilizers on farmland also causes HABs. Figure 1 displays satellite images showing a severe HAB in Lake Erie.
有害藻类大量繁殖(HABs)经常发生在加拿大的五大湖,特别是伊利湖。这些有害藻华会产生一种名为微囊藻毒素的毒素,会导致人类和动物的肝脏损伤、麻木和呕吐(美国国家海洋和大气管理局,2017年)。伊利湖在2019年经历了最严重的赤潮之一。这些赤潮没有显示出减缓的迹象。农田周围的静风和降雨会导致有害藻华,因为肥料中蒸发的营养物质会流入水体。农田肥料的径流也会导致赤潮。图1显示的卫星图像显示伊利湖出现了严重的赤潮。
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引用次数: 0
Enabling user access to increasingly complex systems via Kano analysis 允许用户通过卡诺分析访问日益复杂的系统
Pub Date : 2023-01-01 DOI: 10.1109/MPOT.2015.2423071
Akbar R. Khan
Systems are getting increasingly complicated based on the increased functionalities demanded by users. The result of this growing complexity has been a correspondingly high challenge for users operating their own systems. At first glance, the obvious solution to this issue may appear to be system simplification and a parallel reduction in operational capability, but this option is not viable because of the increasingly difficult operational environment.
由于用户要求的功能越来越多,系统变得越来越复杂。这种日益增长的复杂性给操作自己系统的用户带来了相应的高挑战。乍一看,这个问题的明显解决方案似乎是简化系统并同时降低作战能力,但是由于日益困难的作战环境,这种选择是不可行的。
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引用次数: 0
How IEEE became my professional home [The Way Ahead] IEEE如何成为我的职业之家
Pub Date : 2023-01-01 DOI: 10.1109/mpot.2022.3223300
Ruben Barrera-Michel
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引用次数: 0
Quantum communication networks: Design, reliability, and security 量子通信网络:设计、可靠性和安全性
Pub Date : 2023-01-01 DOI: 10.1109/mpot.2023.3322015
Brian Hildebrand, Ashutosh Ghimire, Fathi Amsaad, Abdul Razaque, Saraju P. Mohanty
The overall purpose of this study is to explore the potential of quantum-based communication networks, leveraging the unique properties of quantum entanglement and superposition, to address critical applications, such as image processing, machine learning, data mining, and encryption. Additionally, this research aims to overcome the limitations of traditional binary systems in the field of computing. The basic methodology of this research involves a comprehensive investigation into the establishment of end-to-end entanglement between two quantum computers, which is fundamental for building robust quantum networks. Performance measures for quantum computers within the context of quantum networks are defined and evaluated, with a specific focus on network design, reliability, security, and trust. Quantum-dot cellular automata (QCA) devices are introduced as a technological advancement to enhance security and trust mechanisms within quantum communication networks.
本研究的总体目的是探索基于量子通信网络的潜力,利用量子纠缠和叠加的独特属性,解决关键应用,如图像处理,机器学习,数据挖掘和加密。此外,本研究旨在克服传统二进制系统在计算领域的局限性。本研究的基本方法包括对建立两台量子计算机之间的端到端纠缠进行全面调查,这是构建鲁棒量子网络的基础。定义和评估量子网络背景下量子计算机的性能指标,特别关注网络设计、可靠性、安全性和信任。量子点元胞自动机(quantum -dot cellular automata, QCA)设备是一项技术进步,用于增强量子通信网络的安全性和信任机制。
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引用次数: 0
Calls for Papers - Digital Transformation 征文——数字化转型
Pub Date : 2023-01-01 DOI: 10.1109/mpot.2022.3220828
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引用次数: 0
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