能量扩散

其次，从能量扩散、比特分配、可删除卷积编码、比特交织、QAM映射五个方面重点阐述了DRM系统信道编码。

Secondly , the channel coding is emphasized from energy dispersal 、 partitioning of bitstream 、 punctered convolution coding 、 bit interleaving and QAM mapping .

能量扩散式x射线分析仪扩散真空泵性能自动测量系统的研制

Energy dispersive X-ray analyser Development of an Automatic Testing System for Diffusion Pumps ' Performances

能量扩散式x射线分析仪

Energy dispersive X-ray analyser

作者通过将扫描电镜（SEM）和能量扩散能谱（EDS）联合应用，对商品化的一种彩色喷墨打印纸的涂层结构和涂料组分进行了分析；

In this study , the analysis of coating structure and coating components of a commercial ink jet paper was discussed through scanning electronic microscopy ( SEM ) combined with energy diffusion spectrum ( EDS );

爆炸能量扩散范围会不够大。

The explosion ` s energy waves won ` t spread far enough .

结构扭扰引起定向光束能量扩散的统计特征

Statistics characteristic of energy diffusion of directional beam with torsion disturbances of the mechanism

但由于其本身存在着不足，一是多帧积累后能量扩散，产生团聚效应；

First , the energy would diffuse after multiple frames accumulation and bring agglomeration effect .

并通过仿真试验证明了这两种改进算法能够有效的去除由于能量扩散产生的虚假航迹。

Simulation results show that these two improved algorithms can effectively remove the false track caused by energy spread .

分析红外图像发现：物理材料等非生命物体以点热源能量扩散的方式逐渐升温，其温度呈同心圆方式分布；

Infrared images show that the physical materials and other non-living objects are warmed up gradually , the temperature is concentric mode distribution ;

但由于信号边界的不确定性，现有的边界处理方法都不能有效地消除边界效应，造成时频图内两边端点附近信号的能量扩散。

But the end effect that can cause spectrum energy diffusing at the ends in time frequency domain is still a key problem in the local wave method and can not be solved by existing methods .

在某些脉冲能量扩散较快的情况下，初始时间窗口过小会导致脉冲能量快速扩散到窗口边缘，从而导致数值仿真结果出现失真。

The small initial time-window will result in the distortion of the numerical calculation in the situation of the pulse energy diffusing fast , because it makes the pulse energy quickly diffuse to the edge of time-window in a short time .

目前对于超宽带脉冲无线电技术的研究还存在许多的问题，由于室内密集多径的环境影响，信号的能量被扩散开，传统的接收机结构和算法很难满足IR-UWB接收机的要求。

IR-UWB signal usually propagates in dense multipath environments , and the energy are spread out . The traditional structure and algorithm of the receiver can not fit the requirement of IR-UWB system .

由势能面确定了最低能量表面扩散途径。

The existence of the step distinctly changes the activation energy of surface diffusion .

具指定能量的反应扩散方程的非线性边值问题

On the Nonlinear Boundary Problem of Reaction-Diffusion Equations with Prescribed Energy

文本利用盐水楔扩散问题试验研究的成果，应用到泥沙异重流受潮汐影响的扩散和淤积分析。利用紊动能量损失与扩散系数之间关系，进行潮汐河段异重流问题的研究；

The research results of the diffusion investigation of saline wedge are applied to the analysis of the diffusion and deposition of the density flow which is affected by tides .

当线性色散作用起主导作用时，能量在空间扩散，解整体存在，并随着时间的发展渐进衰减（[13]，[14]，[23]）。

When dispersion dominate , energy disperse in space and solution exists globally , decaying with time evolving ( [ 13 ] , [ 14 ] , [ 23 ] ) .

本文在讨论了定向扩散协议及其改进算法的基础上，提出了一种能量均衡的定向扩散路由协议EBDD。

This thesis proposes an improved energy balanced routing protocol EBDD based on the DD and its improved algorithm .

高激发态钠原子与分子碰撞能量转移及分子扩散带辐射的增强效应研究

Enhanced Effect of the Collisional Energy Transfer Between Na and Na_2 and Diffuse Band Radiation in Na_2

基于波浪掀沙和潮流输沙的物理图形，本文根据能量平衡方法和扩散理论分别推导得出了破波区内外含沙量的横向分布表达式。

Based on the energy equilibrium principle and diffusion theory , the expressions of transverse distribution of suspension concentration inside and outside of the breaking wave zone are deduced .

在钠原子分子混合体系中，实验研究了加入缓冲气体对高位态原子分子碰撞能量转移和分子扩散带辐射的增强效应；

The enhanced effects of the collisional energy transfer between the highly excited sodium atoms and molecules and diffuse band radiation were experimentally investigated in the sodium vapours when the buffer gas was added in .

密度层结导致了海流的斜压性，会产生能量的传播和扩散，导致内潮的产生，影响南海深水区上层海洋的混合，从而影响该海区的环流结构。

The density stratification causes the baroclinity of current , which may yield the energy transmission and dissipation and affect the generation of the internal tides and mixing of SCS at the upper layer . And it can make a large influence on the ocean circulation .

激发的光子能量越高，热弛豫过程所占的比例也就越高，反之，激发光子能量越低，扩散过程所占的比例也就越大。

The higher is the photon energy of excitation , the larger is the proportion of thermalization process . However , the lower is photon energy of excitation , the larger is the proportion of diffusion .