搜索结果

找到约 429 项符合 frequency 的查询结果
相关度 上传时间 下载量 查看数
共 429 条结果

按分类筛选

显示更多分类

单片机开发 Frequency characteristics for HD555, HD595 headphones.

Frequency characteristics for HD555, HD595 headphones.
https://www.eeworm.com/dl/648/493139.html
下载: 169
查看: 1041

通讯编程文档 A MATLAB program has been written to investigate Orthogonal Frequency Division Multiplexing (OFDM)

A MATLAB program has been written to investigate Orthogonal Frequency Division Multiplexing (OFDM) communication systems. This program is valuable for future researchers simulating systems that are too theoretically complex to analyze. Single-carrier QAM and multicarrier OFDM are compared to demonst ...
https://www.eeworm.com/dl/646/494576.html
下载: 188
查看: 1079

书籍 射频工程基础 Foundations For Radio Frequency Engineering

文舸一教授，《射频工程基础 Foundations For Radio Frequency Engineering》
https://www.eeworm.com/dl/518598.html
下载: 1
查看: 45

书籍 High-Frequency Oscillator Design

OSCILLATORS are key building blocks in integrated transceivers. In wired and wireless communication terminals, the receiver front-end selects, amplifies and converts the desired high-frequency signal to baseband. At baseband the signal can then be converted into the digital domain for further data p ...
https://www.eeworm.com/dl/521925.html
查看: 78

书籍 Orthogonal+Frequency+Division+Multiplexing

Orthogonal frequency division multiplexing  (OFDM) has been shown to be an effective technique to combat multipath fading in wireless channels. It has been and is going to be used in various wireless communication systems. This book gives a comprehensive introduction on the theory and practice ...
https://www.eeworm.com/dl/522046.html
下载: 1
查看: 64

书籍 Radio Frequency Identification and Sensors

There is an unprecedented enthusiasm for radio frequency identification (RFID) technologies today. RFID is based on the exchange of information carried by electromagnetic waves between a label, or tag, and a reader. This technology is currently in full economic expansion, which has manifested itself ...
https://www.eeworm.com/dl/522387.html
下载: 1
查看: 72

学术论文 超高频射频识别标签基准测试研究.rar

射频识别(Radio Frequency Identification，RFID)是一种允许非接触式数据采集的自动识别技术。其中工作在超高频(Ultra High Frequency，UHF)频段的无源RFID系统，由于在物流与供应链管理等领域的潜在应用，近年来得到了人们的广泛关注。这种系统所使用的无源标签具有识别距离长、体积小、成本低廉等突出特点。目前在市场上 ...
https://www.eeworm.com/dl/514/8505.html
下载: 172
查看: 1088

学术论文 基于FPGA的OFDM基带系统研究.rar

近几年来，OFDM(Orthogonal Frequency Division Multiplexing)技术引起了人们的广泛注意，根据这项新技术，很多相关协议被提出来。其中WiMax(Wireless MetropolitanArea Networks)代表空中接口满足IEEE 802.16标准的宽带无线通信系统，IEEE标准在2004年定义了空中接口的物理层(PHY)，即802.16d协议。该协议规定数据传输采用 ...
https://www.eeworm.com/dl/514/9061.html
下载: 151
查看: 1074

学术论文 基于FPGA的信道化中频接收机设计与仿真实现研究.rar

软件无线电(Software Radio)具有高度灵活性、开放性，很容易实现与现有和未来多种电台的兼容，能最大限度的满足了互联互通的要求。而基于多相滤波器组的信道化软件无线电接收技术以其固有的全概率接收、降采样速率以及其大幅提高运算速率的能力越来越受到重视。本文主要研究了基于现场可编程门阵列(FPGA)的软件无线电信道化 ...
https://www.eeworm.com/dl/514/9344.html
下载: 63
查看: 1082

行业应用文档 30kHz高频开关电源变压器的设计

30kHz高频开关电源变压器的设计:Design of 30kHz High－frequency SMPS Transformer 在传统的高频变压器设计中，由于磁心材料的限制，
https://www.eeworm.com/dl/509/9749.html
下载: 25
查看: 1129