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competition 15

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  • Telecommunications Regulation

    Regulation is a pervasive feature of the telecommunications services industry today. Government-appointed regulators and judicial or quasi-judicial bodies oversee it in countries at all stages of economic development. Its primary purpose is to encourage, nourish and maintain competition in nation ...

    /dl/522146.html

    标签: Telecommunications Regulation

    上传时间: 2020-06-01

    上传用户:shancjb

  • Utility Maximization in Nonconvex Wireless Systems

    Once upon a time, cellular wireless networks provided two basic services: voice telephony and low-rate text messaging. Users in the network were separated by orthogonal multiple access schemes, and cells by generous frequency reuse patterns [1]. Since then, the proliferation of wireless services, fi ...

    /dl/522184.html

    标签: Maximization Nonconvex Wireless Utility Systems in

    上传时间: 2020-06-01

    上传用户:shancjb

  • Value+Driven+Product+Planning+and+Systems

    The “bottom-line” metrics of cash flow, demand, price, and return on investment are driven by a second set of financial metrics represented by value to the customer, cost, and the pace of innovation. Get them right relative to competition and impressive bottom-line results should follow. Because o ...

    /dl/522300.html

    标签: Planning Product Systems Driven Value and

    上传时间: 2020-06-06

    上传用户:shancjb

  • 基于数字电路的八路抢答器的设计与实现

    抢答器是一种智力竞赛常用的器件,抢答器的设计方法千差万别,文章利用常用的数字电子器件,设计了八路抢答器电路的设计、仿真及实现的全过程,提出两种可行的设计方案:方案1采用74ls373实现电路锁存,74ls148实现电路编码,74ls74及数码管实现电路显示;方案二采用CD4511BCN和LMC555CM集成电路及数码管实现抢答器的控制和显示。本 ...

    /dl/832061.html

    标签: 抢答器

    上传时间: 2022-04-05

    上传用户:突破自我

  • 开关电源滤波电路的优化设计

    随着科技的发展,人们在日常生活中使用的电器越来越多,电子设备的电磁兼容性(EMC)也越来越重要。所以,人们对电子设备的电磁兼容性的要求也越来越严格,越来越规范。而在市场竞争中,如何降低成本、减少设备体积,是各电子设备制造厂家重点研究的课题。通过对开关电源的EMI滤波电路的类别和相应的技术特点进行分析,设计 ...

    /dl/832969.html

    标签: 开关电源 滤波电路

    上传时间: 2022-04-23

    上传用户:jimmy950583