查询词典 firstly

Firstly, the design and implementation of Analog Channel in CR system is introduced, which takes on the responsibility of power control, dynamic frequency switch, and receive terminal for authorized user detection.

本文首先在认知无线电实验系统中设计并实现了模拟通道，其任务包括执行功率控制和动态频谱切换的功能，以及作为授权用户检测的接收通道。

This paper is constructed as follows: firstly, to generally introduce logistics and 3PL, analogize the production structure and cost construction in enterprise after comparing with the manufacturing enterprise, and introduce the content of ABC and its applying conditions; Secondly, to construct an ABC apply model.

最后分析了作业成本法在物流企业尤其是国内企业的适用性，并对作业成本法在国内物流企业的实施应用提出了一些建议。

Single loop instantaneous voltage feedback control and multiple loop feedback control, which can be realized by digital method or analogue method, are normal control strategies of inverter. The controller's performance of a same control strategy designed by different designers is different This paper makes out uniform analysis and design theory of inverter control strategies with pole-assignment technique of state-space theory for the first time. It is firstly proposed that controller parameters being equal to control system orders is the base of realizing high performance inverter. Design and performance comparability of various controllers is presented with uniform pole-assignment method.

本文首次采用状态空间理论的极点配置技术，对逆变电源的几种控制策略进行了统一的分析和设计，首次提出控制器控制参数与控制系统阶数相等是高性能逆变器控制实现的基础，并通过极点配置这种统一的设计方法对各种控制器进行了设计和性能比较，分析了要考虑的一些非理想因素的影响。

Firstly ,it illustrates that integration of modern information technology and analytic geometry is the inexorable trend of the development of modern education .

首先说明了现代信息技术与解析几何的整合是现代教育发展的必然趋势。

In the situation, this paper brought up the risk analysis and evaluation method on the basis of intelligent control and network communication technology for Network Communication System. The risk analysis and evaluation of Network Communication System firstly discussed the character of network communication and its risk. At the following we estimate a risk evaluation model according the distribution of the systems risk by time and space. Otherwise, we combined Fuzzy Comprehensive Evaluation with Analytic Hierarchy Process, and set up the multi-grade fuzzy comprehensive evaluation model for Network Communication System.

该方案主要通过讨论网络通信系统及其风险的特性，根据风险的时间和空间分布规律，以"风险"为整个网络通信系统安全模型的评估和分析对象，确立网络通信系统风险分布的量化评估模型，同时，就不同区域和不同时段的风险通过引入层次分析的一般方法来确定它们的权重系数，最后，通过模糊综合评判法则对系统中模糊不确定性因素进行数学化的抽象，建立一个反映其本质特征和动态过程的理想化的数学评估模型。

In this article, we, firstly, give detailed discussion on this point from both perspectives of Analytical Geometry and Matrix Theory, and, furthermore, come to inverse conclusion with instance calculation results.

本文首先从空间解析几何与矩阵理论对此进行了详细分析，依据实例计算结果进一步引出了相反的结论。

By Archetype Theory of Analytical Psychology,the present paper firstly analyzes the typical images in both Faulkner and Shen Congwen's works.

一、引言传统存在于人思想的深层结构中，决定着其思维方式和对待生活、对待世界的基本态度，影响其思想和言行[1]。

Firstly, it discusses the principle of adaptive interference chancellor, including broad band signal and narrow band signal; Secondly, it analysises one common algorithm used in adaptive interference chancellor, that is, LMS algorithm and its anamorphosis algorithm especially normalized LMS algorithm pointing out their relationship. After then, the paper talks about the structure and reality of canceling broad band noise in narrow band signal and narrow band noise in broad band signal and gives it's result simulation analyzing the factors affecting the power of the algorithm. In the last party, it gives the hardware design and assembly language software design using TMS32OC3 1, including the result of simulating.

首先，本文讨论了自适应干扰对消的原理，并对窄带信号和宽带信号两种进行了分别分析；然后本文对自适应干扰对消中常用的算法—LMS算法进行了分析，同时也讨论了LMS算法的变形算法，尤其是归一化LMS算法，并指出了这些算法的相同和不同之处；此后，本文讨论了窄带信号中的宽带干扰对消和宽带信号中的窄带干扰对消的结构及实现方法并给出了住址的结果，分析了影响干扰对消效果的因素；在论文的最后，给出了用TMS320C31实现窄带信号中的宽带干扰对消的硬件设计和汇编程序设计，以及汇编语言程序的结果，并就此结果与高级语言程序的结果作了比较。

Firstly, the experimental background and the central conception of Andreev reflection are reviewed.

文中首先阐述了介观复合体系的实验背景及输运问题中的核心概念——Andreev反射。

Firstly, mathematical models for describing the 3D structure of anthocaulus, receptacle, calyx, petal, androecium and pistil are proposed basing on observing and analyzing the 3D structure of apple flower and inflorescence. At the same time, parameters for controlling these models are extracted. Secondly, the reconstruction of 3D structure of apple flower and inflorescence is implemented by integrating its topological structure information.

通过对苹果花及花序形态结构的观测分析，分别提出了描述花柄、花托、花萼、花瓣、雄蕊和雌蕊三维形态结构的数学模型，并提取了模型的控制参数；进一步整合苹果花及花序的拓扑结构信息，实现了苹果花及花序的三维重建。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。