Number of individuals and species, diversity indices, Shannon Wiener diversity index, biomass and soil fertility of the main plant community types in Xiyang River Bend region were analysed.

The value of the Wiener Index for a class of linear phenylene molecular graph is calculated, and the linear recursive formulas is obtained, and then the exact expressions are gained by solving some difference equations of the recursions.

文章给出了一类一般线性聚亚苯基图hQ的Wiener拓扑指标的线性递推公式，通过求解差分方程而得到了它的Wiener拓扑指标的精确表达式。

Unicyclic Graphs with the Second Largest Wiener Index

具有次大Wiener指数的单圈图

In this thesis, we mainly study one of the topics in graph theory with applications: calculate the Wiener Index/ a number for a molecular graph in chemistry.

本论文主要研究了图论及其应用中的一个方面：图论在化学中的应用&计算化学中分子图的Wiener数。

Estimation and Prediction of Acentric Factor of Paraffins by Using Wiener Index

利用维纳指数估计和预测烷烃偏心因子

Based on data of plots, it was discussed about species richness, Simpson index, Shannon wiener index and Pielou index of the forest communities in Qingcheng mountain of Sichuan province.

以各个植被样地为对象，采用物种丰富度、Simpson指数、Shannon Wiener指数及Pielou指数，研究了青城前山森林植被的物种多样性。

In the second chapter, we mainly discuss some extremal properties of Wiener index and degree distance of polycyclic graphs.

第二部分主要讨论了极小圈没有公共边的多圈图的度距离和Wiener指数的一些性质。

This paper, using the number N of carbon atoms and Wiener index W, P as structural parameters, established a quantitative relationship formula between boiling points and its molecular structure of alkane isomers. The boiling points of 76 branched chain alkanes were calculated.

以碳原子数N和Wiener指数W，P为结构参数，建立了烷烃同分异构体的沸点与其分子结构间的定量关系式，用此式计算了76个支链烷烃的沸点。

First, we summed up the previous studies of the Wiener Index, and then highlight the latest developments in extreme optimal field.

首先总结了前人对维纳指数的研究情况，接着重点介绍了维纳指数与极限图方面的最新进展。

Computing the Wiener index of Six-membered ring spiro chains using block-cut-vertex tree

利用块割点树计算六环螺链的Wiener指标

Tree Preserving the Wiener Index of Wheels

轮形图中保Wiener指数的树

System gain of multi-channel Wiener filter

多通路维纳滤波器的系统增益

The method bases on the adaptive wavelet transforms and the Wiener filter.

该方法在自适应小波变换的基础上，利用维纳滤波对图像进行自适应处理。

An Improved Error Loading Method for Multistage Wiener Filter

一种改进的多级维纳滤波器误差加载算法

Fast algorithm for implementing multistage wiener filter: iterative correlation subtraction algorithm

一种多级维纳滤波器的快速实现算法&迭代相关相减算法

The Wavelet Transform-Wiener Filter Denoising of Power Line Communication

电力通信的小波变换&维纳消噪

The Design of Wavelet Transform Domain Locally Adaptive Wiener Filter

小波变换域的局部自适应Wiener滤波器设计方法研究

A novel waveform comparison method based on Wiener filter is presented for worst case analysis.

提出一种基于Wiener滤波器的波形比较方法，应用于数模混合电路的最坏情况分析。

We analyze the Doppler-resisting performance of time domain Wiener filter.

本文对时域维纳滤波进行了仿真，并考察了其抗多普勒的性能。

Restoration of defocus blurred digital image using wiener filter in frequency domain

离焦模糊数字图像的Wiener滤波频域复原

DCT and Wiener filter based on approach for speech enhancement using a single microphone

基于DCT与维纳滤波的单通道语音增强算法