[行业发展研究] 2

说明：Channel estimation for mobile OFDM systems requires transmission of pilot tones. This paper addressesthe important issue of selecting these pilot tones, so as to achieve a good quality estimate. It is shown that the best set of tones to be used a
<archana> 在 2025-06-29 上传 | 大小：602kb | 下载：0

[行业发展研究] 17vol2no2

说明：The objective of this study is improving channel estimation accuracy in OFDM system because channel state information is required for signal detection at receiver and its accuracy affects the overall performance of system and it is essential to impro
<archana> 在 2025-06-29 上传 | 大小：361kb | 下载：0

[行业发展研究] 553-1504-1-PB

说明：Orthogonal Frequency Division Multiplexing (OFDM) is a multicarrier modulation and multiplexing technique proposed for 3G, 4G LTE-A systems to achieve higher data rates with better spectral efficiency at low latency. Time varying nature of the wi
<archana> 在 2025-06-29 上传 | 大小：151kb | 下载：0

[行业发展研究] 1111cnc03_2

说明：Multicarrier modulations attract a lot of attention ranging from wireline to wireless communications compared to single carrier modulation because of theirs capability to efficiently cope with frequency selective fading channels. Much of attentio
<archana> 在 2025-06-29 上传 | 大小：179kb | 下载：0

[行业发展研究] 2512ijcsa01

说明：As a multicarrier transmission system Orthogonal frequency division multiplexing (OFDM) has been widely applied in wireless communication systems due to its numerous advantages like robustness against multipath fading and delay, high data rate tr
<archana> 在 2025-06-29 上传 | 大小：118kb | 下载：1

[行业发展研究] konwledge-about-LED

说明：《成为LED专家的秘藉-应用篇》-详细介绍LED相关知识，LED技术不久必将崛起。-"To be an expert of the LED and the secret by application of"- detail LED related knowledge, LED technology is sure to rise soon.
<明皇> 在 2025-06-29 上传 | 大小：2.48mb | 下载：0

[行业发展研究] 86VTU-Protocol-Document-V1-0

说明：GPS GPRS Protocol Document
<Dinesh> 在 2025-06-29 上传 | 大小：105kb | 下载：0

[行业发展研究] SVGs

说明：SVG开发常用的设计,对于初学者的文件，在w3c也有，这是个人整理的-SVG common design development
<姜远近> 在 2025-06-29 上传 | 大小：6kb | 下载：0

[行业发展研究] OFDM-SIMULATION-in-MATLAB

说明：In a single carrier communication system, the symbol period must be much greater than the delay time in order to avoid inter-symbol interference (ISI) [1].-In a single carrier communication system, the symbol period must be much greater than the dela
<manita> 在 2025-06-29 上传 | 大小：9.39mb | 下载：0

[行业发展研究] Wireless-Internet-skills-for-free

说明：无线上网技巧、天线制作(可免费上网)，简单易学，实用方便。-Wireless Internet skills, antenna (free access to the Internet)
<明皇> 在 2025-06-29 上传 | 大小：3.04mb | 下载：0

[行业发展研究] FULLTEXT01(2)

说明：it is the latest thesis report on cognitive analysis with teh detail theory and simulation result and future enhancement
<sarbagya> 在 2025-06-29 上传 | 大小：2.61mb | 下载：0

[行业发展研究] K3WebServices

说明：金蝶K3基于WebServices外部数据交换接口使用指南,对学习金蝶K3二次开发的朋友很有帮助.-Kingdee K3 WebServices external data exchange interface based user guide for learning Kingdee K3 secondary development of helpful friends.
<XiBei> 在 2025-06-29 上传 | 大小：124kb | 下载：0