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61.
针对突发地质灾难中无法利用常规通信网络通信的问题,提出一种基于于嵌入式微处
理器OMAP5912 的实时多用户通信方案。采用WiFi无线网卡组建Ad Hoc网络,通过AIC23芯
片实现语音采集和输出,利用动态多用户语音解码算法实现实时多用户话音通话功能。测试
表明,该系统支持多用户同时语音通信功能,语音延迟约60 ms,适合于各种应急通信
等无线应用场合。 相似文献
62.
李勇 《湖北财经高等专科学校学报》2011,23(1):34-36
随着我国房地产行业发展的日益规范和竞争愈加激烈,房地产广告的发展也越来越受重视。优秀的房地产广告不仅能促进楼盘销售,而且能使楼盘的人文、品牌等一系列无形资产得以创造和升华。在此选择重要的新兴工商城市———昆山作为切入点,解读昆山房地产广告现状,明确房地产广告运作中存在的主要问题。 相似文献
63.
Consumers' responses to the use of their personal data for personalized advertising by platform providers are paradoxical. Drawing from psychological ownership theory and the collective information boundary, this study examines how the social relevance and personal relevance of ads impact consumers' attitudes toward advertisements and social media platforms. Basing on 350 responses, we confirm that perceptions of information co-ownership and feelings of vulnerability play a serial mediating role in the positive relationship between ad relevance and consumer attitudes. Specifically, ad relevance increases consumers' perceptions of social media platforms as co-owners of their personal information, which in turn reduces feelings of vulnerability and improves their attitudes toward personalized advertisements and social media platforms. Privacy cynicism negatively moderates the indirect effects of information co-ownership perceptions on two attitude variables mediated through feelings of vulnerability. Our research findings provide a new perspective on the personalization–privacy paradox and offer platform providers new insights into improving their personalized advertising performance and user–platform relationships. 相似文献
64.
In contrast to the Affect Infusion Model, popular advertising planning grids suggest that emotional advertising is effective for low involvement and hedonic products, but not for high involvement or utilitarian products. In two experiments, 400 and 392 consumers respectively evaluate a non-emotional and a product-congruent or product-incongruent emotional appeal promoting four different product types. In a third study, 909 respondents evaluate 323 existing TV commercials. The findings confirm expectations based on the Affect Infusion Model and indicate that for none of the product types negative effects of emotional advertisements appear. However, emotional ads do work better for some than other product types. In addition to clearing out the moderating role of product type, this paper contributes to the literature by showing that previous poorer results of emotional ads for some products may be partly due to less positive attitudes towards the products themselves instead of to the inappropriateness of the appeal. 相似文献
65.
66.
战术互联网是AdHoc网络技术在军事领域的重要应用,广播是战术互联网中基本的信息发布方式,也是AdHoc网络技术研究的一个重要问题。首先把AdHoc网络广播算法分为邻居决定转发和自身决定转发,然后仿真分析几种典型的广播算法;最后根据战术互联网的特点,结合现有的AdHoc网络广播,提出一种新的战术互联网广播协议(TIBP)。仿真结果表明:TIBP在战术互联网环境下具有较高的效率。 相似文献
67.
Ad Hoc网络终端的连续工作时间是影响Ad Hoc网络实用化的关键因素,产业界也一直在寻求通过采用节能机制来延长终端工作时间的方法。本文对Ad Hoc网络中典型的节能机制进行了分类介绍和比较,对运用节能机制所面临的困难给予了阐述,最后给出了节能研究的发展方向。 相似文献
68.
手机报作为第五媒体,经过几年的快速发展,已经成为了一种趋向主流、成熟的大众媒体,具备了成为广告媒体的价值潜力。手机报广告的特殊性决定了手机报广告模式需要进行不断创新。本文在分析手机报广告传播优势和不足的基础上,提出手机报广告模式的三个创新方向。 相似文献
69.
本文对基于用户行为的计算机网络流量模型进行了改进,并将其应用于移动自组网流量仿真中,同时对仿真流量进行了特征分析,得出移动自组网网关流量具有自相似性特征的结论。 相似文献
70.
QoS路由在实现QoS保证中具有很重要的作用.本文分析设计和实施QoS路由的目标及策略,总结了几种典型的QoS路由,并对这些QoS路由进行经优缺点分析及性能比较. 相似文献