原理

Too much emphasis has been laid on thephase coherence detection using the arithmetics of auto-correlation in time domain,spectrum analysis in frequency domain and feature extraction of intra-pulse modulatedsignals employing the methods of quadrature in time domain、Short Time FourierTransform、Wigner-Ville Distribution and Radon-Wigner Transform.

本文详细介绍了脉冲多普勒雷达的原理及其信号特征、相参性原理、脉内调制信号、时频分析理论和模式识别理论等，重点讨论了利用时域自相关法和频域谱线分析法进行相位相参性的检测；详细分析了脉内调制特征提取的几种方法，主要包括时域正交、短时傅立叶变换、维格纳分布和 Radon-Wigner 变换。

The main contents are as follows: the basic knowledge of reinforcement and concrete; the principle of ferroconcrete in structural design and computation; the computation of bearing capacity in the normal and oblique section of flexural member; the computation method of member in torsion, tension and compression; the computation of distortion and crack width in members of the ferroconcrete in the design principle, stress analysis and the computation of the bearing capacity in the pre-stressed concrete structure and give an outline of the tier building and multistoried building.

主要内容有：钢筋和混凝土材料的基本知识；钢筋混凝土机构设计计算原理、设计方法；受弯构件正截面、斜截面承载力计算；受弯受扭受拉构件的承载力计算方法；钢筋混凝土构件的变形和裂缝宽度计算；预应力混凝土结构设计原理、应力分析及承载力计算；并简要介绍多层及高层建筑物结构。

Furthermore the starting control with three-wire method is introduced as well as related working principle, connection method and advantages of this starting way.

介绍了常见变频器起动回路的工作原理，并针对跳闸频繁这一现象分析了其原因，阐述了变频器三线起动控制的工作原理与接线方法，阐明了三线起动控制的优点。

Material field, energy field and spatial field method (Three-field) is a synthetic metallogenic prognosis method which takes stand on the three metallogenic factors and the thermodynamic principles.

物质场—能量场—空间场综合成矿预测是以成矿三要素为指导思想，以热力学原理为基本原理，利用符合成矿预测尺度要求的地、矿、物、化、遥等资料，综合考虑其它成矿有利因素，结合GIS工具的一种综合成矿预测方法。

The basic principle of sapphire optical fiber high temperature sensor and optical signal process are introduced, the measurement ways in hot processing are analyzed.

介绍蓝宝石光纤高温传感器的基本原理和光信号的处理原理，分析其在热加工过程中的测试方

At first, in this paper the background and basic principle of VoIP are introduced; the much popular VoIP technology based on H.323 protocol is studied; based on the function and main working process of IP telephone system, the principle of coding of compression and transfer technology of the real-time voice are analyzed; depended on the existed experimental environment, the program of voice part of PC to PC video telephone terminal based on LAN is designed and implemented; and the problems encountered during the design of program have been analyzed and solved.

本文首先介绍了IP电话的发展简史，IP电话技术原理；对目前最为流行的基于H.323协议的VoIP技术进行了研究；根据IP电话系统的功能和主要实现过程，分析实时语音压缩编码技术和传输技术原理；利用实验室现有的实验环境，设计并基本完成了一种基于局域网的PC to PC可视电话语音部分的编程；并对程序设计过程中所遇到的问题进行了分析和解决。

In this paper, the principle of the application of the lime and the lime stone to the wet-FGD and CFB desulphurization ,the factors that influence the reaction velocity are introduced.

着重对石灰石用于石灰石—石膏湿法脱硫和CFB锅炉脱硫的原理、影响反应速率的因素以及石灰石品质对两种脱硫工艺的影响进行了分析，并对石灰用于脱硫反应的原理及其品质对脱硫工艺的影响进行了探讨。

Reaearch on mode selection theory of coupled resonator and single, double wave plate longitudinal-mode splitting theory.

研究耦合腔激光器的选模原理以及单、双波片纵模分裂原理。

The paper also expatiates on the theory of every circuit module in detail, emphasizes the design and program of the sound circuit and the LCD screen module.

论文详细阐述了测试台各电路模块的原理，重点阐述了语音电路的设计及其编程实现，以及显示电路模块的原理及其编程实现。

Through the course, students are expected to learn the basic theories of house construction; to master the general construction making of buildings and the drawing methods of detailed construction pictures; to be able to read shop drawing of general industrial and civil buildings and draw building's shop drawing according to design intentions; to know the construction design principles for general buildings; to have basic knowledge of construction design and to be able to correctly understand design intentions.

建 筑构造部分介绍建筑的组成、各组成部分的构造原理和构造方法，建筑设计部分介绍一般建筑的设计原则和设计方法，包括总平面布置、平面设计、剖面设计、立面体型及细部处理等方面的问题。通过这门课程的学习，使学生掌握房屋构造的基本理论；初步掌握建筑的一般构造做法和构造详图的绘制方法，能识读一般工业与民用建筑施工图，并能按照设计意图绘制建筑施工图；了解一般房屋建筑设计原理，具有建筑设计的基本知识，正确理解设计意图。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。