标签：WideBand - 电子研发网

WideBand 41条

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Ultra Wideband - Circuits

Recent advances in wireless communication technologies have had a transforma- tive impact on society and have directly contributed to several economic and social aspects of daily life. Increasingly, the untethered exchange of information between devices is becoming a prime requirement for further pr ...

/dl/522174.html

标签： Circuits Wideband Ultra

上传时间： 2020-06-01

上传用户：shancjb

Ultra Wideband Signals and Systems

In the two years since this book was first published, ultra wideband (UWB) has advanced and consolidated as a technology, and many more people are aware of the possibilities for this exciting technology. We too have expanded and consolidated materials in this second edition in the hope that ‘Ultra ...

/dl/522175.html

标签： Wideband Signals Systems Ultra and

上传时间： 2020-06-01

上传用户：shancjb

Ultra Wideband Signals and Systems 1st

In this book we focus on the basic signal processing that underlies current and future ultra wideband systems. By looking at signal processing in this way we hope this text will be useful even as UWB applications mature and change or regulations regarding ultra wideband systems are modified. The cur ...

/dl/522176.html

标签： Wideband Signals Systems Ultra 1st

上传时间： 2020-06-01

上传用户：shancjb

超宽带脉冲与MB-OFDM物理层的FPGA实现

现代通信系统对带宽和数据速率的要求越来越高，超宽带(ultra-wideband，UWB)通信以其传输速率高、空间容量大、成本低、功耗低的优点，成为解决企业、家庭、公共场所等高速因特网接入的需求与越来越拥挤的频率资源分配之间的矛盾的技术手段。论文主要围绕两方面展开分析：一是介绍用于UWB无载波脉冲调制及直接序列码分多址 ...

/dl/9964.html

标签： MB-OFDM FPGA 超宽带脉冲

上传时间： 2013-07-29

上传用户：TI初学者

音频数模转换器DAC抖动的灵敏度分析

Abstract: This application note describes how sampling clock jitter (time interval error or "TIE jitter") affectsthe performance of delta-sigma digital-to-analog converters (DACs). New insights explain the importanceof separately specifying low-frequency (< 2x passband frequency) and high-frequenc ...

/dl/20671.html

标签： DAC 音频数模转换器抖动

上传时间： 2013-10-25

上传用户：banyou

寄存器和环路滤波器的设计

The MAX2870 ultra-wideband phase-locked loop (PLL) and voltagecontrol oscillator (VCO) can operate in both integer-N and fractional-Nmodes, similar to the Analog Devices ADF4350 wideband synthesizer.This application note compares the MAX2870 and ADF4350 registers andloop filter design in detail. U ...

/dl/20672.html

标签： 寄存器环路滤波器

上传时间： 2014-12-23

上传用户：变形金刚

高集成数字RF调制器解决方案

Abstract: A digital RF modulator, an integrated solution that satisfies stringent DOCSIS RF-performancerequirements, takes advantage of modern technologies like high-performance wideband digital-to-analogconversion and CMOS technology scaling. This application note describes the concept and advant ...

/dl/20678.html

标签： 集成数字RF 调制器方案

上传时间： 2013-10-20

上传用户：drink！

一个100MHz的RMS DC转换集成电路

AN22 details the theoretical and application aspects of the LT1088 thermal RMS/DC converter. The basic theory behind thermal RMS/DC conversion is discussed and design details of the LT1088 are presented. Circuitry for RMS/DC converters, wideband input buffers and heater protection is shown.

/dl/24373.html

标签： 100 MHz RMS 转换

上传时间： 2013-10-16

上传用户：china97wan

基于码本映射的语音带宽扩展算法研究

在现代通信系统中，电话语音的频带被限制在300 Hz～4 kHz的范围内，带来了语音可懂度和自然度的降低。为了在不增加额外成本的前提下提高语音的可懂度和自然度，进行了电话语音频带扩展的研究。提出了一种改进的基于码本映射的语音带宽扩展算法：在码本映射的过程中，使用加权系数来得到映射码本。客观测试结果表明，用此算 ...

/dl/33807.html

标签： 映射带宽扩展语音

上传时间： 2014-12-29

上传用户：15501536189

LT5528 WCDMA ACPR和AltCPR测量

  ACPR (adjacent channel power ratio), AltCPR (alternatechannel power ratio), and noise are important performancemetrics for digital communication systems thatuse, for example, WCDMA (wideband code division multipleaccess) modulation. ACPR and AltCPR are bothmeasures of spectral regrowth. T ...

/dl/41888.html

标签： AltCPR WCDMA 5528 ACPR

上传时间： 2013-11-02

上传用户：maricle

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WideBand 41条

按分类查找:

Ultra Wideband - Circuits

Ultra Wideband Signals and Systems

Ultra Wideband Signals and Systems 1st

超宽带脉冲与MB-OFDM物理层的FPGA实现

音频数模转换器DAC抖动的灵敏度分析

寄存器和环路滤波器的设计

高集成数字RF调制器解决方案

一个100MHz的RMS DC转换集成电路

基于码本映射的语音带宽扩展算法研究

LT5528 WCDMA ACPR和AltCPR测量

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