thus
共 106 篇文章
thus 相关的电子技术资料，包括技术文档、应用笔记、电路设计、代码示例等，共 106 篇文章，持续更新中。
基于AT89C51的智能公交刷卡系统改进设计与实现
<p>为了适应现代化发展,提高公交管理运输现代化水平,设计了一种基于AT89C51的智能公交刷卡系统。系统以单片机AT89C51作为接口电路与刷卡座信息存储装置,将采集到的收费信息、客流信息、刷卡时间、卡内金额与消费金额等信息显示在LCD显示模块中。在软件部分,增加了系统清算功能与客流信息统计功能,通过系统清算功能可以判断公交卡数据是否处于平衡状态,并将非平衡状态下的用户列入黑名单。通过AT89C
单片机wifi模块usb,spi,uart接口rs9113v2.2
<p>Overview: The RS9113 WiSeConnect and Connect-io-n module families are based on Redpine Signals' RS9113 ultra-low-power, single spatial stream, dual-band 802.11n+BT4.0+</p><p>ZigBee Convergence
MC9S12XEP100 参考手册 MC9S12XE 系列 1324页pdf
<p>MC9S12XEP100RMV1 datasheet</p><p>To provide the most up-to-date information, the document revision on the World Wide Web is the most
current. A printed copy may be an earlier revision. To ver
4G移动通信技术权威指南：LTE与LTE-Advanced.4G LTE.LTE
<p>Preface</p><p>During the past years, there has been a quickly rising interest in radio access technologies for providing</p><p>mobile as well as nomadic and fixed services for voice, video, and dat
IGBT图解
<p>le flows through MOS channel while Ih flows across PNP transistor Ih= a/(1-a) le, IE-le+lh=1/(1-a)' le Since IGBT has a long base PNP, a is mainly determined by ar si0 2</p><p>ar= 1/cosh(1/La),
GaN-on-Si+Displace+Si+and+SiC
GaN is an already well implanted semiconductor<br />
technology, widely diffused in the LED optoelectronics<br />
industry. For about 10 years, GaN devices have also been<br />
developed for RF wirele
Basic+ESD+and+IO+Design
This effort started as an answer to the numerous questions the authors have<br />
repeatedly had to answer about electrostatic discharge (ESD) protection and<br />
input/output (1/0) designs. In the p
WIRELESS+AD-HOC+NETWORKS
A wireless ad-hoc network is a wireless network deployed without any infrastructure. In<br />
such a network, there is no access point or wireless router to forward messages among the<br />
computing
Ultra Wideband Signals and Systems 1st
In this book we focus on the basic signal processing that underlies current and<br />
future ultra wideband systems. By looking at signal processing in this way we<br />
hope this text will be useful
Time-Varying Channels
Wireless communications has become a field of enormous scientific and economic interest. Recent<br />
success stories include 2G and 3G cellular voice and data services (e.g., GSM and UMTS), wireless<
Optical+Communications+Essentials
Ever since ancient times, people continuously have devised new techniques and<br />
technologies for communicating their ideas, needs, and desires to others. Thus,<br />
many forms of increasingly com
Future+Mobile+Communications+LTE
Providing QoS while optimizing the LTE network in a cost efficient manner is<br />
very challenging. Thus, radio scheduling is one of the most important functions<br />
in mobile broadband networks. T
Femtocells+Technologies+and+Deployment
In cellular networks, it is estimated that<br />
2<br />
3<br />
of calls and over 90% of data services occur<br />
indoors. However, some surveys show that many households and businesses experience<b
EDGE+for+Mobile+Internet
The General Packet Radio Service (GPRS) allows an end user to send and<br />
receive data in packet transfer mode within a public land mobile network<br />
(PLMN) without using a permanent connection
Digital Wireless Transceivers
The design and manufacturing of wireless radio frequency (RF) transceivers has developed rapidly in recent ten<br />
yeas due to rapid development of RF integrated circuits and the evolution of high-s
Complex Orthogonal Space-Time Processing
Multiple-Input Multiple-Output (MIMO) systems have recently been the<br />
subject of intensive consideration in modem wireless communications as they<br />
offer the potential of providing high capac
5G+Edge+Cloud+Networks
The surge of mobile data traffic forces network<br />
operators to cope with capacity shortage. The deployment of<br />
small cells in 5G networks is meant to reduce latency, backhaul<br />
traffic an
3G,+4G+and+Beyond–BRINGING NETWORKS
In recent years, cellular voice networks have transformed into powerful packet-switched<br />
access networks for both voice communication and Internet access. Evolving Universal<br />
Mobile Telecomm
data are often used interchangeably, they are actually very different. Data is a set of unrelated in
data are often used interchangeably, they are actually very different. Data is a set of unrelated information, and as such is of no use until it is properly evaluated. Upon evaluation, once there is s
The existence of numerous imaging modalities makes it possible to present different data present in
The existence of numerous imaging modalities makes it possible to present different data present in different modalities together thus forming multimodal images. Component images forming multimodal im