排序:上传时间 相关度 下载量 查看数

Spectrum 128

按分类查找:

  • Sharing+RF+Spectrum

    This book was born from the perception that there is much more to spectrum use and sharing than one sees reflected in publications, whether academic, commercial or political. the former – in good research style – tend towards reductionism and concentrate on specific, detailed aspects. commercial p ...

    /dl/522111.html

    标签: Spectrum Sharing RF

    上传时间: 2020-06-01

    上传用户:shancjb

  • Spectrum+Access+and+Management

    The radio spectrum is one of the most precious resources which must be managed to ensure efficient access for the wireless communication services which use it. The allocation and management of spectrum are administered by the regulatory authorities. Traditionally, spectrum allocation is carried out ...

    /dl/522124.html

    标签: Management Spectrum Access and

    上传时间: 2020-06-01

    上传用户:shancjb

  • Spectrum+Sharing+Between+Radars

    Radio frequency spectrum is a scarce and critical natural resource that is utilized for many services including surveillance, navigation, communication, and broadcast- ing. Recent years have seen tremendous growth in the use of spectrum especially by commercial cellular operators. Ubiquitous use of ...

    /dl/522126.html

    标签: Spectrum Sharing Between Radars

    上传时间: 2020-06-01

    上传用户:shancjb

  • Spread-Spectrum Communication Systems 1st

    The goal of this book is to provide a concise but lucid explanation and deriva- tion of the fundamentals of spread-spectrum communication systems. Although spread-spectrum communication is a staple topic in textbooks on digital com- munication, its treatment is usually cursory, and the subject warra ...

    /dl/522127.html

    标签: Spread-Spectrum Communication Systems 1st

    上传时间: 2020-06-01

    上传用户:shancjb

  • Spread-Spectrum+Communication+Systems+2nd

    Spread-spectrum communication is a core area within the field of digital communication. Originally used in military networks as countermeasures against the threats of jamming and interception, spread-spectrum systems are now widely used in commercial applications and are part of several wireless and ...

    /dl/522128.html

    标签: Spread-Spectrum Communication Systems 2nd

    上传时间: 2020-06-01

    上传用户:shancjb

  • Spread-Spectrum Communication Systems 3rd

    The continuing vitality of spread-spectrum communication systems and the devel- opment of new mathematical methods for their analysis provided the motivation to undertake this new edition of the book. This edition is intended to enable readers to understand the current state-of-the-art in this field ...

    /dl/522129.html

    标签: Spread-Spectrum Communication Systems 3rd

    上传时间: 2020-06-01

    上传用户:shancjb

  • 用FPGA实现直接序列扩频通信.rar

    扩频通信,即扩展频谱通信技术(Spread Spectrum Communication),它与光纤通信、卫星通信一同被誉为进入信息时代的三大高技术通信传输方式。 扩频通信是将待传送的信息数据用伪随机编码序列,也即扩频序列(SpreadSequence)调制,实现频谱扩展后再进行传输。接收端则采用相同的编码进行解调及相关处理,恢复出原始信息数据。 ...

    /dl/9267.html

    标签: FPGA 直接序列 扩频通信

    上传时间: 2013-07-26

    上传用户:15679277906

  • LED的电源管理

    A light-emitting diode (LED) is a semiconductor device that emits narrow-spectrum incoherent light when forward-biased.The color of the emitted light depends on the chemical composition of the semiconductor material used, and can benear-ultraviolet, visible or infrared. LEDs are more prevalent tod ...

    /dl/23069.html

    标签: LED 电源管理

    上传时间: 2013-11-07

    上传用户:xiaoyuer

  • 基于MSP430F1611单片机的音频信号分析仪设计

      为了使音频信号分析仪小巧可靠,成本低廉,设计了以2片MSP430F1611单片机为核心的系统。该系统将音频信号送入八阶巴特沃兹低通滤波器,对信号进行限幅放大、衰减、电平位移、缓冲,并利用一单片机负责对前级处理后的模拟信号进行采样,将采集得到的音频信号进行4 096点基2的FFT计算,并对信号加窗函数提高分辨率,另 ...

    /dl/29096.html

    标签: F1611 1611 430F MSP

    上传时间: 2013-12-11

    上传用户:jasonheung

  • A Single-Chip Pulsoximeter Des

    This application report discusses the design of non-invasive optical plethysmographyalso called as pulsoximeter using the MSP430FG437 Microcontroller (MCU). Thepulsoximeter consists of a peripheral probe combined with the MCU displaying theoxygen saturation and pulse rate on a LCD glass. The same se ...

    /dl/30710.html

    标签: Pulsoximeter Single-Chip Des

    上传时间: 2013-10-27

    上传用户:黑漆漆