线性的

The aim of this thesis is to study the existence of positive solutions of boundary value problem for nonlinear second order ordinary differential equations , mainly using the fixed point index theory in a cone. The conditions of the existence of positive solutions of the boundary value problem are given in the thesis. We improve the result of the existence of positive solutions either in the sublinear or in the superlinear conditons.

本文主要利用锥上不动点指数定理，解决非线性二阶常微分方程边值问题的正解的存在性问题，并给出了边值问题正解存在的条件，改进了次线性和超线性条件下正解存在的结论。

Under the linear relationship between narrow band and broadband albedos, according to the same time MODIS image data of narrow-band albedo, multiple linear regression equation was established to achieve narrow-band to wide-band Albedo retrieving.

在窄波段反照率与宽波段反照率之间存在线性关系的前提下，通过与相同时段的MODIS图像数据的窄波段反照率建立多元线性回归方程，构建回归模型，实现窄波段到宽波段的反演。

Based on the analysis of short-time calm characteristics of audio signal educing from produce-mechanism of audio signal , and the Linear Prediction coding technology , the basic principle of Code-Excited Linear-Prediction coding is discussed .

本文在分析了由语音信号的产生机理所得出的短时平稳特性的基础上，利用线性预测编码技术，分析了码激励线性预测编码的基本原理。

Those provide a practical and valid method for designing a feedforwardpower amplifier. Utilizing these and for TD-SCDMA we research and develop thedivider, coupler, bridge and power amplifier at 2.35GHz. Finally I accomplished asimple and minimal structured feedforward power amplifier. Its measured third-orderintermodulation distortion is -50dBc, which is 40dB greater than there is nolinearization technique.

根据分析结论，针对中国自主开发的TD-SCDMA 标准，设计实现了2.35GHz 的功分器、功率合成器、耦合器以及矢量调制器和功率放大器，最终实现了结构简单、体积小巧的前馈功放系统，完成了对放大器的线性化，三阶交调系数优于-50dBc 比线性化之前三阶交调系数改善了40dB。

Transient signals to be restored can be expressed as a linear combination of wavelets whose weight coefficients, dilations and shifts are calculated by the conjugate gradient algorithm in terms of the least mean squared energy criterion.

该方法将要复原的瞬态信号表示成一组子波函数的线性组合，在最小均方能量准则下，用共轭梯度算法求解子波函数的线性组合的幅度、尺度和延时参数。

Multivariable linear regression has been applied to analyze the recorded data of annual mean air temperature and annual mean ground temperature from 119 meteorological stations from 1991 to 2000 in the Tibetan Plateau.

应用多元线性回归分析方法，对位于40 ～25 N，75 ～102 E范围内的119个气象观测台站的1991-2000年平均气温和地面温度观测资料进行分析，获得了研究区域的月平均气温、地面温度与纬度、经度和海拔高度间关系的线性统计系数。

In this paper, a novel control strategy which contains a simple and practical fuzzy proportional derivative unit combined with an integral unit and an acceleration damping unit was developed. This configuration preserves the linear structure of the conventional state feedback controller, but has variable gains: the proportional and derivative gains are nonlinear functions of their input signals, which have self-tuning capabilities using human experience and knowledge.

本文在简要分析系统数学模型的基础上首先给出了传统的状态反馈控制器的设计方法，并在此基础上，提出了一种非线性模糊PD控制器结合线性加速度阻尼环节和线性积分环节的混合控制器。

Line 36 intersects only one corresponding point of all the acoustic drivers of the line array.

与图2中的传统的线性阵列相比，线36仅与线性阵列的所有声学驱动器的一个对应点相交。

In this abstract setting, the scalars with which an element of a vector space can be multiplied need not be numbers.

一些引人注目的例子是集团的可逆线性映射或矩阵，和环的线性映射的向量空间。

The structures, materials and the clearance between cylinder and high pressure plunger piston which is used in the small, oilfree, high pressure field are discussed and analyzed.

在分析滑道变形的基础上，采用尺寸链方法综合分析了滑道体、活塞、气缸等的变形对线性余隙容积的影响，提出了减小线性余隙容积的措施。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。