propagation的例句大全

Target location and identification based on propagation model

基于传播模型的目标定位和辨识

The effects of some environmental factors on the OTH B radar, for example, the target energy property in high frequency, outside noise and unfavorable ionosphere propagation, are discussed.

讨论了目标的高频能量特性、外部噪声和不利的传播效应等环境因素对天波超视距雷达的影响；

Combining the MIMO radar technology and the time reversal technology, the signal-to-noise ratio is improved by tuning the transmitted waveforms to the propagation medium and the target scattering characteristics.

将MIMO雷达技术与时间反转技术结合起来，通过与传播媒介及目标的散射特性相匹配，自适应调整发射波形以提高信噪比。

In this condition, the radiated system and the electromagnetic wave propagation are same as that the train pass through.

测量时，整个辐射系统与列车运行时射频干扰源的辐射系统相比没有变化，电波传播规律也保持不变。

Simulation system of train delay propagation

列车晚点传播模拟系统

Cellular automaton model for moving-like block system and study of train's delay propagation

准移动闭塞系统的元胞自动机模型及列车延迟传播规律的研究

With shortening of the interval of the train following, some complex phenomenon of rail traffic flow have more and more impact on traffic safety and line capacity, such as the mutually influence of trains, train following operation and delay propagation of trains.

随着列车运行间隔的不断缩短，列车间相互作用、列车追踪运行、列车运行延误以及列车延误传播等轨道交通流现象对行车安全和线路通过能力的影响不断扩大。

It is important that rapid propagation by tissue culture.

所以，通过组织培养实现快速繁殖具有重要意义。

The crack propagation rate of pipes was mainly dependent on FATT "of pipeline steel, and FATI" can be measured by drop weight tear test.

介绍了管道裂纹的扩展速度主要取决于管道钢的转变温度FATT，FATT可由落锤撕裂试验测定。

Determination of Propagation Constant from Phase Information of Standing Waves

利用驻波相位信息确定传播常数

Using OCC simulation test, behavior of pitting propagation of two carbon steels for shipbuilding with different sulfide inclusions in synthetic seawater was studied.

选择两种具有不同类型硫化物夹杂的碳钢，通过模拟蚀孔的闭塞腐蚀电池试验，研究了它们在人工海水中的孔蚀扩展行为。

Research on Special-shape Test Plate Imitating Fatigue Crack Propagation in High Strain Region in Nozzle-to-Cyclinder

异型试板模拟压力容器接管高应变区疲劳扩展规律的试验研究

Comparative Study on Two Methods of Back Propagation Network Test in TCM Syndrome Typing of Depression

两种反向传播网络测试方法在抑郁症中医证型分类中的对比研究

The experimental results show that the impact of frost and thaw cycles and frozen temperature plays an important role in the damage propagation problem of rock under frost and thaw condition.

研究结果表明，冻融循环与冻结温度对岩石损伤有一定影响，而且就相同的温度条件来讲，岩石孔隙大小、孔隙贯通程度、孔隙率及岩石本身强度对损伤有着重要影响。

The damage propagation of rock under the freezing and thawing condition is a new direction of rock damage mechanics.

岩石冻融过程的细观损伤研究是近年来冻融损伤研究的一个新方向。

On the base of analysis of the standard back propagation algorithm, a BP improving algorithm which adjusts the error signal function and method of training is proposed. This improving algorithm has the advantages of slightly modify and easy implement.

在此基础上，提出了一种针对误差信号函数和学习规则进行改进的BP改进算法，该改进算法具有改动幅度小，实现相对容易的特点。

Correspondingly, all kinds of anomalous propagation phenomena of electromagnetic wave have the same physical origin, i.e. the virtual photon process, then these phenomena have a mature reason in quantum field theory, and do not contradict the law of causation;

相应地，电磁波的各种异常传播现象源于相同的物理本质，即虚光子过程，从而异常传播现象存在早已成熟的量子场论理论依据，且不会违背因果律；

Secondly, the paper adopts the method of theoretical arithmetic, and does volume calculation, cover calculation to wireless network based on TD-SCDMA, which combines the propagation model of the common city proper and college town in FUZHOU.

然后结合福州市城区及大学城无线传播环境的分析，并采用理论计算的方法，对基于TD-SCDMA技术的无线网络进行了容量估算、覆盖计算等。

A theoretical distribution density of average excess delay is derived by the use of a new analysis method of multipath propagation.

利用新的多径传播分析方法，从理论上导出了平均差分时延的分布密度。

In this paper, by using the theory of differential equations, we discuss the propagation regularity of computer viruses, especially the virus propagation model for the latent period.

本文利用微分动力系统理论研究了计算机单种病毒的传播规律，特别是研究了考虑计算机病毒潜伏期的病毒传播模型。