查询词典 Rayleigh

Three approximate methods (called as scaling, rectangle and trapezia methods respectively) for performance analysis of orthogonal space-time block code with M-ary phase shift keying and M-ary quadrature amplitude modulation over flat Rayleigh fading channels are proposed, and their approximate performance expressions are given.

在平坦瑞利衰落信道下，提出了3种正交空时分组码在MPSK和MQAM调制下的近似性能分析方法(分别称为放缩法、矩形法和梯形法)，并给出其近似表达式。

Three approximate methods (called as scaling, rectangle and trapezia methods respectively) for performance analysis of orthogonal space-time block code with M-ary phase shift keying and M-ary quadrature amplitude modulation over flat Rayleigh fading channels are proposed, and their approximate performance expressions are given-The analysis of approximate results shows that OSTBC can obtain full diversity orders.

在平坦瑞利衰落信道下，提出了3种正交空时分组码在MPSK和MQAM调制下的近似性能分析方法（分别称为放缩法、矩形法和梯形法），并给出其近似表达式。通过对近似结果的分析，OSTBC能获得满分集增益。

Dispersion curve of Rayleigh wave is the basis of inverting the structure of strata, and to get its proper interpretation is an important aspect of...

瑞雷面波的频散曲线是反演地层结构的基本依据，对其做出合理的解释是瑞雷波勘探的一项重要内容。

The uniform distribution of phase data and the Rayleigh distribution of amplitude data are investigated and the bit allocation formula is deduced according to the differential entropy of continuous information resource, which points out that the mean of amplitude is the only factor.

进一步研究了相位的均匀分布特性和幅度的瑞利分布特性，由连续信源微分熵定义推导了幅相比特分配的幅度均值公式，指出幅度均值是决定幅相比特分配的唯一因素。

The influence mode of the fault belt, Rayleigh wave and theanchor coupling of the detecting rod on signal collection were studied.

为了提高TSP现场信号采集的信噪比和预报准确度，通过现场试验、结论对比分析和理论分析的方法，对影响TSP信号采集质量的主要因素进行了研究，探讨了断层破碎带、瑞雷波和接收探杆的锚固耦合等影响因素对信号采集的影响方式。

This paper uses the face-on radiography technology to investigate the Rayleigh-Taylor instability of sine modulated surface target at the Shengguang Ⅱ facility and gains vivid space and time resolution images.

在神光Ⅱ装置上，利用面向背光照相技术对正弦调制平面靶的瑞利-泰勒不稳定性增长进行了实验研究，得到了清晰的时空分辨图像；采用傅里叶变换取基模法和求波峰波谷差值法分析了实验结果；两种方法得到的靶扰动增长因子相同。

These formulas are used to the computation of the foundation plate for the first time, and the deflection and the moment of the foundation plate in two load cases are given.

将计算结果与Rayleigh-Ritz法结果进行比较，两者较好的一致性表明了所得导函数及其递推公式的正确性，同时也说明了基于正交基函数的无单元方法应用于C1问题的可行性和合理性。

Prospecting metal mine goafs by Rayleigh wave method is introduced.

介绍用瑞雷波法检测金属矿山采空区。

A high spectral resolution lidar was used for low level atmospheric temperature measurement. Based on the iodine filter's high absorption property for aerosol, the HSRL retrieves low level atmospheric temperature with Rayleigh backscattering signal intensity.

基于碘分子滤波器对大气气溶胶散射的强吸收特性，滤除低层大气中气溶胶散射的影响，从而利用分子瑞利后向散射信号强度反演低层大气温度。

Resonance Rayleigh light-scattering spectra of Zn2-4 with human serum albumin was studied in tris-HCl medium.

1前言锌是人体必需的微量元素，其含量的测定是卫生检验的一项日常工作。

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。