查询词典 Rayleigh

We use the methods of Rayleigh-Ritz variational and multiconfiguration-interaction to study the excited states of the lithium isoelectronic.

中文摘要：本文采用多组态相互作用方法和Rayleigh-Ritz变分法，以类锂等电子系列为研究对象，重点研究了(Z=2)He-的亲和能和束缚能，氦负离子是最简单的类锂离子，我们首先计算了氦负离子1s2s2p~4Po的能量，然后又计算了氦原子1s2s~3S的能量，由此可以得到氦负离子的亲和能。

Horseradish peroxidase has a strong catalytic effect on the H2O2 oxidation of o -phenylenediamine to 2,3-diaminophenazine, that caused significantly decreasing of the Rayleigh scattering intensity at 420, 445 and 484 nm.

辣根过氧化酶催化H2O2氧化邻苯二胺生成黄色的2，3-二氨基吩嗪产物，反应体系在420， 445和484 nm处的Rayleigh散射光信号显著减弱。

In this paper the optimum design of an adaptive modulation based on uncoded MQAM modulation assisted by wireless channel prediction for the flat Rayleigh fading chan-nel is discussed.

摘要该文研究了在平坦Rayleigh衰落信道下，借助于无线信道预测对一个基于非编码的MQAM自适应调制进行优化设计的问题。

Taking example for the third-order differential Rayleigh pulse radiated by the dipole antenna which is resistance loaded, the influences of antenna on the design of pulse waveform in ultra-wideband system are analyzed.

以三阶微分Rayleigh脉冲通过电阻加载偶极天线辐射的情况为例，研究了天线对超宽带系统脉冲信号波形设计的影响。

Rayleigh-Taylor instability ; single point diamond turning ; modulation target ; inertial confinement fusion

Rayleigh-Taylor不稳定性；单点金刚石切削；调制靶；惯性约束聚变

In order to improve the simulation performance, a method based on sum of sinusoids to implement Rayleigh faders with special doppler spectrum is presented.

为克服这些缺点，提出了一种基于正弦波叠加的方法来实现短波信道中特定多普勒谱的Rayleigh衰落因子。

The results are valid for arbitrary diversity order and the amount of fading, and are obtained for Rayleigh-lognormal, Ricean-lognormal and Nakagami-lognormal composite fadings.

该方法对于任意分集支路数目下的Rayleigh-lognormal，Ricean-lognormal和Nakagami-lognormal三种复合衰落环境均是有效的。

The results are valid for arbitrary diversity order and the amount of fading, and are obtained for Rayleigh-lognormal, Riceanlognormal and Nakagami-lognormal composite fadings.

该方法对于任意分集支路数目下的Rayleigh-lognormal，Ricean-lognormal和Nakagami-lognormal三种复合衰落环境均是有效的。

The dynamic response characteristics and variation of bridge structure, pile foundation and soil layer are analyzed, while the peak acceleration of Rayleigh wave is progressively increasing.

采用逐级增加动力荷载的方法，分析了在Rayleigh波加速度峰值逐级增加后，桥梁结构、桩以及土层的动力反应特点和变化规律。

The formula calculating the first frequence of the bridge with the pile foundation is derived by using the Rayleigh Principle.

用Rayleigh法推导了桩基桥梁的第一自振频率的近似计算公式；在动力学效的原则下建立了桩—上—上部结构体系的等代简化模型，导出了动力等效嵌固深度l〓的计算公式，并与静力等效嵌固长度Z〓的计算公式进行对比分析，给出了静力公式的误差范围。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。