On the backend, the data model is coupled with the property broker to broadcast changes to values in the data model and to listen for changes imposed from other component views. 在后端,数据模型与属性代理连接起来,以将更改传递给数据模型中的值,并监听来自其他组件视图的更改。
Television is a broadcast model and you tend to focus on places where the audience is the largest. 电视是广播节目一大代表,你会倾向于关注拥有大量观众的地方。
With great improvements had been made and applied to position with carrier phase and internet broadcast, searchers have done more further to model the corrections of GPS, which been sent to users. 随着载波相位观测技术与网络通讯技术的发展与成熟,对于区域内GPS改正数模型化并通过网络传播于用户的研究亦已取得相当的成果。
Terminal Cache Replacement Algorithm in Data Broadcast System Based on Directed Graph Model 一种基于有向图模型的数据广播终端缓存算法
Placed in an orbiting satellite moving at a speed of18000 miles an hour, the clock could broadcast its time readings to a ground station, where they would be compared with the readings on a similar model. 于是若把一座钟置于每小时移动1.8万英里的轨道卫星上,这座钟便可向地面站发送报时信号。而在地面站便可将这些报时信号与地面的同型号钟的报时加以比较。
And because the background noise of the broadcast speech is not the simply full-band Gaussian white noise, a language recognition system is built based on sub-band GMM-UBM model and subsystems structure by using neural network to fuse different subsystems. 由于广播语音的背景噪声不是简单的全频带加性白噪声,因此本文构建了一种基于子带GMM-UBM模型的多子系统结构的语种识别系统,后端采用神经网络进行系统级融合。
In this paper, we propose a broadcast scheduling strategy for real time transaction based on the BoD ( Broadcast on Demand) model. 提出一种基于需求广播模型的实时事务数据的广播调度策略。
Satellite clock and broadcast ephemeris error correction model were introduced briefly. 介绍目前广域差分星历误差及卫星钟差所使用的改正模型。
The article proposes a provably secure fault-tolerant conference-key agreement protocol under the authenticated broadcast channel model. 本文提出一种在可认证的广播信道模式下,可证明安全的,容错的会议密钥协商协议。
In order to make clients to retrieve data from broadcast channel efficiently. A Huffman index tree model and data organization based on the Huffman index tree are proposed in this paper. 为使移动客户有效地从广播中获取数据,该文提出了一种基于Huffman树的索引模型,给出Huffman索引树的构造方法和基于Huffman索引树的广播数据组织方式。
The key elements of data broadcast model construction are analyzed, and then a real-time broadcast model based on demand driven framework is presented. 而后,本文分析了构建数据广播模型的关键因素,并在此基础上提出了一种基于需求的实时数据广播模型。
To have all the digital services run in a common environment, this paper presented a new concept of digital services broadcast platform, and introduced the model, functions, interfaces and key technologies for implementation. 为了使各种数字业务可以有公共的运作环境,提出了数字业务广播平台的概念,并介绍了实现的模型、功能、结构、接口及关键技术。
A multi-user spectrum optimization scheme of the downlink broadcast channel in the single-phase power-line environment is discussed. First, a mathematical model for the power-line spectrum optimization is presented and a rapid algorithm for solving the optimization problem under the signal power transmission limitation is given. 讨论了在单相电力线条件下实现下行广播信道多用户频谱优化的方案,以及电力线多用户频谱优化问题的数学模型。给出了解决信号功率谱限制条件下的多用户频谱优化快速算法。
Aimed at FM broadcast signal, this dissertation puts forward to its research model, then under three circumstances analyses math idea and result by and by. At last the simulations show that this method is valid to resolve the problem. 本研究课题针对调频信号提出了自己研究模型,由易到难逐一的对三种情况进行了数学分析和仿真,结果证明了这种方法是有效可行的。
In the teaching group, VCD broadcast content of course, microcontroller controls motion demonstrate of machine model, they are synchronism. 本教学演示柜由单片机控制各机械模型运动演示,VCD机播放语音解说,使教学内容与相应模型的运动演示同步,达到教学自动化,形象直观。
Creation and Analysis of the P2P-Based Reliable Living Broadcast Model 基于P2P的可靠直播视频服务模型的建立和分析
Based on agriculture TV broadcast school in counties, establishing new model of fostering pathbreakers& about investigation of wusheng County 以县农广校为基地构建创业培训新模式&基于武胜县农民创业培训调查的思考
Firstly, this paper describes basic parameters of the wireless radio channel and proves that AM broadcast channel is weak spread channel. A wireless Raleigh channel model is given in this part. 本文首先描述了表征无线广播信道的基本参数,证明了调幅广播信道是弱扩展信道,并给出了无线瑞利信道的仿真模型。
Firstly, this paper describes the essential features of DRM, gives an introduction to its key techniques, testifies that the AM broadcast channel is weak extended channel, and brings forward its own channel model. 论文首先描述了数字调幅广播的基本特征,介绍了其关键技术,证明了调幅广播信道是弱扩展信道,并给出了DRM的信道模型。
The implementing strategy of the system, group broadcast management and control, and embedded network protocol model are analyzed; as well as the performance of different software and hardware platform of the network servers are compared. 分析了系统实现策略、组播管理与控制、嵌入式网络协议模型,并对网络服务器不同软硬件平台性能进行了对比分析。
Aimed at the high noise of the broadcast speech, GMM-UBM is used as the language model to improve the system noise-robustness. 并针对广播语音噪声干扰大的特点,采用GMM-UBM模型作为语种模型,提高了系统的噪声鲁棒性;
Area of health education room, radio station set rate, health education, radio broadcast frequency and so on in Model village were significantly higher than the control villages. 健康村的健康教育室面积、广播站设置率、健康教育广播播放频率等均明显高于对照村。
Currently, Chinese diversified development mainly manifested in the system of broadcast model, content, ideas, expression and so on. 目前我国纪录片创作的多元化发展主要表现在制播模式、创作内容、创作理念和表达方式等方面。
We introduce a single-hop wireless broadcast transmission model, on the basis of which three opportunistic network coding-based broadcast transmission algorithms are presented, namely random algorithm, hash algorithm, and direct algorithm. 在引入一种无线单跳网络广播传输模型的基础上,提出三种无线网络广播传输的实用算法,分别是随机算法、哈希算法和直接算法。
Basing on an analysis of the XML query technique and on-demand data broadcast technology, an on-demand XML data broadcast model, namely C/ D/ S structure, is presented on a ground of group-based XML query and dispatch agent in the mobile computing environment. 在分析已有的XML查询技术和按需数据广播技术的基础上,建立了移动计算环境中基于分组的XML查询分发代理的XML按需数据广播系统结构,即C/D/S结构。
The impact of relays amount on the system performance are further analyzed. According to these results, the advantages and characteristics of this protocol are confirmed. A hierarchical cooperative broadcast system model with superposition coding is proposed according to the characteristics of wireless broadcast system. 本文还进一步分析了工作中继数量对系统性能所造成的影响,证明了该协议的优势和特性。针对无线广播系统的特点,本文提出了一种采用叠加码技术的分级协同广播系统模型。
By fully utilizing the wireless broadcast advantage and wireless cooperative advantage, a distributed two-transmitter two-receiver model for cooperative communication is constructed and cooperative diversity can be achieved in only one phase. 通过充分利用多跳网络中的无线广播特性和无线协作特性,该协议构建了一个分布式两发两收的协作通信模型,并在单个时隙内实现了协作分集。
Broadcast encryption is a kind of secure group communication technology, most of that employs stateless-receiver model. It is able to control users 'access by their privileges without updating their initial keys and can resist against colluding attacks of any revoked receivers. 广播加密是一种安全群组通信技术,普遍采用无状态接收者模型,其主要特点是无需更新用户密钥的情况下实现用户权限的控制,可以抵抗任意多个用户的共谋攻击。
The result indicates that GPS broadcast ephemeris parameter model has a higher accuracy, but GLONASS broadcast ephemeris parameters model has a quicker computation speed, which is suitable for determinating orbit which changes fast. 结果表明GPS广播星历参数模型具有更高的精度,但GLONASS广播星历参数模型具有计算速度快,适合轨道变化快的卫星定轨。