1) Delay boundary conditions
![点击朗读](/dictall/images/read.gif)
延迟边界
2) postponement border
![点击朗读](/dictall/images/read.gif)
延迟区分边界
3) upper delay bound
![点击朗读](/dictall/images/read.gif)
延迟上界
1.
The end-to-end upper delay bound for wireless ad hoc network was derived based on the existing link throughput model using network calculus theory.
为保证无线自组网的服务质量(QoS),对进入无线自组网络节点的数据流进行漏桶管制,节点为数据流提供基于速率-延迟(Rate-Latency)模型的服务保障;在已有无线自组网链路吞吐量模型的基础上利用网络演算理论推导出了无线自组网端到端的延迟上界模型。
4) boundary extension
![点击朗读](/dictall/images/read.gif)
边界延拓
1.
To overcome it, causes leading to boundary effects are analyzed, based on the definition of wavelet and the boundary extension methods in its reconstruction.
依据小波变换的定义和重构过程中所用多种边界延拓的方法,分析了边缘效应产生的原因,据此改进了传统边界延拓方法。
2.
Based on the studying of image properties and 1-D wavelet theory,the authors describe a parasymmetry boundary extension method and realize 2-D discrete wavelet transform by means of 1-D wavelet transform according to correlation of adjacent pixels.
在研究图像信号特征和一维小波变换理论的基础上 ,根据图像信号邻近像素的相关性提出了一种准对称边界延拓方法 ,用一维小波变换实现了二维离散小波变换。
3.
Boundary extension method for data reconstruction based on this filter is also proposed.
![点击朗读](/dictall/images/read.gif)
同时提出了基于该滤波器进行数据重构时的边界延拓方法。
5) codes with decoding delay d
![点击朗读](/dictall/images/read.gif)
具有延迟界d的延迟码
6) delay line of strided side connecting mode
![点击朗读](/dictall/images/read.gif)
延迟线跨边连接
1.
The divided cake structure , the electrode of strided side fetching out mode, the delay line of strided side connecting mode and directly envelopping vacuum technology in atmosphere are used.
采用分块结构 ,电极从两端分前后点引出 ,增加了延迟线的长度 ,延迟线跨边连接和在大气中直接封真空技术。
补充资料:大剂量增强后延迟CT
大剂量增强后延迟CT
CT检查方法之一。用于检查肝脏占位性病变的增强CT技术。使用总量为60g碘的经尿路排泄的对比剂,经静脉注入后延迟4~6小时后进行CT扫描。该法不同于一般在增强后5~15分钟的延迟扫描。主要原理是:注入的对比剂中约有1%~2%将滞留于正常肝实质内,最后经胆道排泄,从而使正常肝组织的密度值比平扫时增高约20HU,而肝内病灶区内无对比剂滞留,表现为低密度,形成对比。应注意的是此时肝内血管亦无对比剂滞留而呈低密度,因此需结合增强CT(包括普通增强、动态团注增强或血管造影CT)比较判断。该法可使肝内小占位性病灶的检出率提高约20%~30%。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条